./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-8.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_0b96d8ff-eff9-482e-b28c-5706094d74b0/bin/utaipan-verify-t7M7D8N6sZ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b96d8ff-eff9-482e-b28c-5706094d74b0/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_0b96d8ff-eff9-482e-b28c-5706094d74b0/bin/utaipan-verify-t7M7D8N6sZ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b96d8ff-eff9-482e-b28c-5706094d74b0/bin/utaipan-verify-t7M7D8N6sZ/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-8.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b96d8ff-eff9-482e-b28c-5706094d74b0/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_0b96d8ff-eff9-482e-b28c-5706094d74b0/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 64fa20811e3d6b4f48d530fd12c5b3e1f5523460c92f2bd0d2e9efe97c916004 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 05:21:39,299 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 05:21:39,426 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b96d8ff-eff9-482e-b28c-5706094d74b0/bin/utaipan-verify-t7M7D8N6sZ/config/svcomp-Reach-32bit-Taipan_Default.epf [2023-11-19 05:21:39,439 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 05:21:39,440 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 05:21:39,482 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 05:21:39,483 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 05:21:39,483 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 05:21:39,485 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 05:21:39,490 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-19 05:21:39,491 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-19 05:21:39,492 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-19 05:21:39,493 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-19 05:21:39,494 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-19 05:21:39,495 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-19 05:21:39,495 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-19 05:21:39,496 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-19 05:21:39,496 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-19 05:21:39,497 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-19 05:21:39,497 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-19 05:21:39,498 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-19 05:21:39,498 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-19 05:21:39,500 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 05:21:39,500 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 05:21:39,501 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 05:21:39,512 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 05:21:39,513 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 05:21:39,513 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 05:21:39,514 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 05:21:39,514 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 05:21:39,514 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 05:21:39,515 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 05:21:39,515 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 05:21:39,515 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 05:21:39,516 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 05:21:39,516 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-19 05:21:39,516 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 05:21:39,517 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 05:21:39,517 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 05:21:39,517 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 05:21:39,517 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-19 05:21:39,518 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 05:21:39,518 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 05:21:39,518 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-19 05:21:39,518 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 05:21:39,519 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_0b96d8ff-eff9-482e-b28c-5706094d74b0/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b96d8ff-eff9-482e-b28c-5706094d74b0/bin/utaipan-verify-t7M7D8N6sZ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 64fa20811e3d6b4f48d530fd12c5b3e1f5523460c92f2bd0d2e9efe97c916004 [2023-11-19 05:21:39,789 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 05:21:39,811 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 05:21:39,814 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 05:21:39,816 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 05:21:39,816 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 05:21:39,818 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b96d8ff-eff9-482e-b28c-5706094d74b0/bin/utaipan-verify-t7M7D8N6sZ/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-8.i [2023-11-19 05:21:43,001 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 05:21:43,249 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 05:21:43,250 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b96d8ff-eff9-482e-b28c-5706094d74b0/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-8.i [2023-11-19 05:21:43,261 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b96d8ff-eff9-482e-b28c-5706094d74b0/bin/utaipan-verify-t7M7D8N6sZ/data/de28ec162/321869887e3f4c8c87a33709f7a7e1b3/FLAGab7c02088 [2023-11-19 05:21:43,275 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b96d8ff-eff9-482e-b28c-5706094d74b0/bin/utaipan-verify-t7M7D8N6sZ/data/de28ec162/321869887e3f4c8c87a33709f7a7e1b3 [2023-11-19 05:21:43,278 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 05:21:43,280 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 05:21:43,282 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 05:21:43,282 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 05:21:43,288 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 05:21:43,289 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 05:21:43" (1/1) ... [2023-11-19 05:21:43,291 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@64695cfb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:21:43, skipping insertion in model container [2023-11-19 05:21:43,291 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 05:21:43" (1/1) ... [2023-11-19 05:21:43,324 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 05:21:43,534 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_0b96d8ff-eff9-482e-b28c-5706094d74b0/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-8.i[915,928] [2023-11-19 05:21:43,602 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 05:21:43,618 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 05:21:43,632 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_0b96d8ff-eff9-482e-b28c-5706094d74b0/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-8.i[915,928] [2023-11-19 05:21:43,683 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 05:21:43,709 INFO L206 MainTranslator]: Completed translation [2023-11-19 05:21:43,710 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:21:43 WrapperNode [2023-11-19 05:21:43,710 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 05:21:43,712 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 05:21:43,712 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 05:21:43,712 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 05:21:43,722 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:21:43" (1/1) ... [2023-11-19 05:21:43,754 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:21:43" (1/1) ... [2023-11-19 05:21:43,807 INFO L138 Inliner]: procedures = 29, calls = 152, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 393 [2023-11-19 05:21:43,807 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 05:21:43,808 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 05:21:43,809 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 05:21:43,809 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 05:21:43,820 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:21:43" (1/1) ... [2023-11-19 05:21:43,820 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:21:43" (1/1) ... [2023-11-19 05:21:43,827 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:21:43" (1/1) ... [2023-11-19 05:21:43,828 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:21:43" (1/1) ... [2023-11-19 05:21:43,851 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:21:43" (1/1) ... [2023-11-19 05:21:43,856 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:21:43" (1/1) ... [2023-11-19 05:21:43,860 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:21:43" (1/1) ... [2023-11-19 05:21:43,863 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:21:43" (1/1) ... [2023-11-19 05:21:43,878 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 05:21:43,879 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 05:21:43,880 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 05:21:43,880 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 05:21:43,881 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:21:43" (1/1) ... [2023-11-19 05:21:43,888 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 05:21:43,915 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b96d8ff-eff9-482e-b28c-5706094d74b0/bin/utaipan-verify-t7M7D8N6sZ/z3 [2023-11-19 05:21:43,933 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b96d8ff-eff9-482e-b28c-5706094d74b0/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-19 05:21:43,953 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b96d8ff-eff9-482e-b28c-5706094d74b0/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-19 05:21:43,983 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 05:21:43,984 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-19 05:21:43,984 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2023-11-19 05:21:43,984 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2023-11-19 05:21:43,985 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-19 05:21:43,985 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real [2023-11-19 05:21:43,987 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-19 05:21:43,988 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-19 05:21:43,988 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 05:21:43,989 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 05:21:43,989 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 05:21:44,139 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 05:21:44,142 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 05:21:44,777 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 05:21:45,735 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 05:21:45,735 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-19 05:21:45,741 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 05:21:45 BoogieIcfgContainer [2023-11-19 05:21:45,742 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 05:21:45,752 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-19 05:21:45,752 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-19 05:21:45,757 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-19 05:21:45,757 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 05:21:43" (1/3) ... [2023-11-19 05:21:45,758 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@964f437 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 05:21:45, skipping insertion in model container [2023-11-19 05:21:45,758 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:21:43" (2/3) ... [2023-11-19 05:21:45,762 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@964f437 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 05:21:45, skipping insertion in model container [2023-11-19 05:21:45,762 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 05:21:45" (3/3) ... [2023-11-19 05:21:45,764 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_wrapper-s_file-8.i [2023-11-19 05:21:45,789 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-19 05:21:45,790 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-19 05:21:45,861 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-19 05:21:45,868 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;@7ebe179e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-19 05:21:45,868 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-19 05:21:45,873 INFO L276 IsEmpty]: Start isEmpty. Operand has 37 states, 20 states have (on average 1.15) internal successors, (23), 21 states have internal predecessors, (23), 14 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2023-11-19 05:21:45,884 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2023-11-19 05:21:45,884 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 05:21:45,885 INFO L195 NwaCegarLoop]: trace histogram [14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 05:21:45,886 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 05:21:45,892 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 05:21:45,893 INFO L85 PathProgramCache]: Analyzing trace with hash 715623552, now seen corresponding path program 1 times [2023-11-19 05:21:45,905 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-19 05:21:45,906 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [828889689] [2023-11-19 05:21:45,906 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:21:45,907 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 05:21:46,209 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-19 05:21:46,209 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1389344063] [2023-11-19 05:21:46,210 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:21:46,210 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 05:21:46,210 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b96d8ff-eff9-482e-b28c-5706094d74b0/bin/utaipan-verify-t7M7D8N6sZ/z3 [2023-11-19 05:21:46,212 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b96d8ff-eff9-482e-b28c-5706094d74b0/bin/utaipan-verify-t7M7D8N6sZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-19 05:21:46,238 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b96d8ff-eff9-482e-b28c-5706094d74b0/bin/utaipan-verify-t7M7D8N6sZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-19 05:21:47,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 05:21:47,195 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 05:21:48,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 05:21:48,123 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2023-11-19 05:21:48,130 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-19 05:21:48,131 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-19 05:21:48,154 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b96d8ff-eff9-482e-b28c-5706094d74b0/bin/utaipan-verify-t7M7D8N6sZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-11-19 05:21:48,350 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b96d8ff-eff9-482e-b28c-5706094d74b0/bin/utaipan-verify-t7M7D8N6sZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 05:21:48,355 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-11-19 05:21:48,359 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-19 05:21:48,396 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem34 could not be translated [2023-11-19 05:21:48,399 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem34 could not be translated [2023-11-19 05:21:48,399 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem35 could not be translated [2023-11-19 05:21:48,400 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem35 could not be translated [2023-11-19 05:21:48,400 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem37 could not be translated [2023-11-19 05:21:48,400 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem37 could not be translated [2023-11-19 05:21:48,400 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem38 could not be translated [2023-11-19 05:21:48,401 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem38 could not be translated [2023-11-19 05:21:48,401 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem40 could not be translated [2023-11-19 05:21:48,401 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem40 could not be translated [2023-11-19 05:21:48,402 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem41 could not be translated [2023-11-19 05:21:48,402 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem41 could not be translated [2023-11-19 05:21:48,402 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem43 could not be translated [2023-11-19 05:21:48,403 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem43 could not be translated [2023-11-19 05:21:48,403 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem44 could not be translated [2023-11-19 05:21:48,403 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem44 could not be translated [2023-11-19 05:21:48,404 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem50 could not be translated [2023-11-19 05:21:48,404 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem46 could not be translated [2023-11-19 05:21:48,404 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short48 could not be translated [2023-11-19 05:21:48,405 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem49 could not be translated [2023-11-19 05:21:48,405 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short51 could not be translated [2023-11-19 05:21:48,405 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem47 could not be translated [2023-11-19 05:21:48,405 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short52 could not be translated [2023-11-19 05:21:48,406 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short52 could not be translated [2023-11-19 05:21:48,406 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem47 could not be translated [2023-11-19 05:21:48,406 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem49 could not be translated [2023-11-19 05:21:48,406 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem50 could not be translated [2023-11-19 05:21:48,407 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem46 could not be translated [2023-11-19 05:21:48,407 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short48 could not be translated [2023-11-19 05:21:48,407 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short51 could not be translated [2023-11-19 05:21:48,407 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short59 could not be translated [2023-11-19 05:21:48,408 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short60 could not be translated [2023-11-19 05:21:48,408 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem58 could not be translated [2023-11-19 05:21:48,408 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem57 could not be translated [2023-11-19 05:21:48,408 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short56 could not be translated [2023-11-19 05:21:48,409 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem55 could not be translated [2023-11-19 05:21:48,409 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem54 could not be translated [2023-11-19 05:21:48,409 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem54 could not be translated [2023-11-19 05:21:48,410 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short56 could not be translated [2023-11-19 05:21:48,410 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem55 could not be translated [2023-11-19 05:21:48,410 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short60 could not be translated [2023-11-19 05:21:48,410 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem57 could not be translated [2023-11-19 05:21:48,411 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short59 could not be translated [2023-11-19 05:21:48,411 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem58 could not be translated [2023-11-19 05:21:48,411 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem66 could not be translated [2023-11-19 05:21:48,412 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem62 could not be translated [2023-11-19 05:21:48,412 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem63 could not be translated [2023-11-19 05:21:48,412 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short67 could not be translated [2023-11-19 05:21:48,412 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short64 could not be translated [2023-11-19 05:21:48,413 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem65 could not be translated [2023-11-19 05:21:48,413 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short68 could not be translated [2023-11-19 05:21:48,413 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short64 could not be translated [2023-11-19 05:21:48,414 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem63 could not be translated [2023-11-19 05:21:48,414 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short67 could not be translated [2023-11-19 05:21:48,414 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short68 could not be translated [2023-11-19 05:21:48,414 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem66 could not be translated [2023-11-19 05:21:48,415 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem65 could not be translated [2023-11-19 05:21:48,415 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem62 could not be translated [2023-11-19 05:21:48,415 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short72 could not be translated [2023-11-19 05:21:48,416 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short75 could not be translated [2023-11-19 05:21:48,416 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short76 could not be translated [2023-11-19 05:21:48,416 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem73 could not be translated [2023-11-19 05:21:48,416 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem70 could not be translated [2023-11-19 05:21:48,417 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem71 could not be translated [2023-11-19 05:21:48,417 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem74 could not be translated [2023-11-19 05:21:48,417 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem70 could not be translated [2023-11-19 05:21:48,417 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem73 could not be translated [2023-11-19 05:21:48,418 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem71 could not be translated [2023-11-19 05:21:48,418 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short75 could not be translated [2023-11-19 05:21:48,418 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short72 could not be translated [2023-11-19 05:21:48,418 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem74 could not be translated [2023-11-19 05:21:48,419 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short76 could not be translated [2023-11-19 05:21:48,419 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem78 could not be translated [2023-11-19 05:21:48,420 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem78 could not be translated [2023-11-19 05:21:48,420 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem79 could not be translated [2023-11-19 05:21:48,420 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem79 could not be translated [2023-11-19 05:21:48,440 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.11 05:21:48 BoogieIcfgContainer [2023-11-19 05:21:48,441 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-19 05:21:48,441 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-19 05:21:48,442 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-19 05:21:48,442 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-19 05:21:48,443 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 05:21:45" (3/4) ... [2023-11-19 05:21:48,445 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-19 05:21:48,447 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-19 05:21:48,449 INFO L158 Benchmark]: Toolchain (without parser) took 5168.12ms. Allocated memory was 144.7MB in the beginning and 180.4MB in the end (delta: 35.7MB). Free memory was 99.2MB in the beginning and 91.0MB in the end (delta: 8.2MB). Peak memory consumption was 44.3MB. Max. memory is 16.1GB. [2023-11-19 05:21:48,449 INFO L158 Benchmark]: CDTParser took 0.35ms. Allocated memory is still 144.7MB. Free memory is still 113.6MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 05:21:48,450 INFO L158 Benchmark]: CACSL2BoogieTranslator took 429.02ms. Allocated memory is still 144.7MB. Free memory was 99.2MB in the beginning and 83.0MB in the end (delta: 16.3MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-19 05:21:48,451 INFO L158 Benchmark]: Boogie Procedure Inliner took 95.93ms. Allocated memory is still 144.7MB. Free memory was 83.0MB in the beginning and 79.4MB in the end (delta: 3.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-19 05:21:48,452 INFO L158 Benchmark]: Boogie Preprocessor took 70.18ms. Allocated memory is still 144.7MB. Free memory was 79.4MB in the beginning and 76.2MB in the end (delta: 3.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-19 05:21:48,453 INFO L158 Benchmark]: RCFGBuilder took 1862.81ms. Allocated memory was 144.7MB in the beginning and 180.4MB in the end (delta: 35.7MB). Free memory was 76.2MB in the beginning and 68.2MB in the end (delta: 8.0MB). Peak memory consumption was 48.0MB. Max. memory is 16.1GB. [2023-11-19 05:21:48,454 INFO L158 Benchmark]: TraceAbstraction took 2695.20ms. Allocated memory is still 180.4MB. Free memory was 67.1MB in the beginning and 92.1MB in the end (delta: -25.0MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 05:21:48,454 INFO L158 Benchmark]: Witness Printer took 5.61ms. Allocated memory is still 180.4MB. Free memory was 92.1MB in the beginning and 91.0MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 05:21:48,458 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.35ms. Allocated memory is still 144.7MB. Free memory is still 113.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 429.02ms. Allocated memory is still 144.7MB. Free memory was 99.2MB in the beginning and 83.0MB in the end (delta: 16.3MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 95.93ms. Allocated memory is still 144.7MB. Free memory was 83.0MB in the beginning and 79.4MB in the end (delta: 3.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 70.18ms. Allocated memory is still 144.7MB. Free memory was 79.4MB in the beginning and 76.2MB in the end (delta: 3.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 1862.81ms. Allocated memory was 144.7MB in the beginning and 180.4MB in the end (delta: 35.7MB). Free memory was 76.2MB in the beginning and 68.2MB in the end (delta: 8.0MB). Peak memory consumption was 48.0MB. Max. memory is 16.1GB. * TraceAbstraction took 2695.20ms. Allocated memory is still 180.4MB. Free memory was 67.1MB in the beginning and 92.1MB in the end (delta: -25.0MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 5.61ms. Allocated memory is still 180.4MB. Free memory was 92.1MB in the beginning and 91.0MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem34 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem34 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem35 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem35 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem37 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem37 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem38 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem38 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem40 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem40 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem41 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem41 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem43 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem43 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem44 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem44 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem50 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem46 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short48 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem49 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short51 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem47 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short52 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short52 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~mem50 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem46 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short48 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short51 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short59 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short60 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem58 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem57 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short56 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem55 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~short56 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem55 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short60 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem57 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short59 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem58 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem66 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem62 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem63 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short67 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short64 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem65 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short68 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short64 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem63 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short67 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short68 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem66 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem65 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem62 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short72 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short75 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short76 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem73 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem70 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem71 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem74 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem70 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem73 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem71 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short75 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short72 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem74 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short76 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem78 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem78 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem79 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem79 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 114, overapproximation of someBinaryArithmeticFLOAToperation at line 76. Possible FailurePath: [L39] unsigned char isInitial = 0; [L40-L56] struct WrapperStruct00 WrapperStruct00 = { 0, 0, 0, 0, 0, 64, 2.4, 127.75, 0.0, 31.4, 256.75, 256.6, 0, 32, 100 }; [L118] isInitial = 1 [L119] FCALL initially() [L120] COND TRUE 1 [L121] FCALL updateLastVariables() [L122] CALL updateVariables() [L87] WrapperStruct00.var_1_4 = __VERIFIER_nondet_uchar() [L88] EXPR WrapperStruct00.var_1_4 VAL [WrapperStruct00={4:0}, isInitial=1] [L88] CALL assume_abort_if_not(WrapperStruct00.var_1_4 >= 0) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L20] COND FALSE !(!cond) [L88] RET assume_abort_if_not(WrapperStruct00.var_1_4 >= 0) VAL [WrapperStruct00={4:0}, isInitial=1] [L89] EXPR WrapperStruct00.var_1_4 VAL [WrapperStruct00={4:0}, isInitial=1] [L89] CALL assume_abort_if_not(WrapperStruct00.var_1_4 <= 0) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L20] COND FALSE !(!cond) [L89] RET assume_abort_if_not(WrapperStruct00.var_1_4 <= 0) VAL [WrapperStruct00={4:0}, isInitial=1] [L90] WrapperStruct00.var_1_5 = __VERIFIER_nondet_uchar() [L91] EXPR WrapperStruct00.var_1_5 VAL [WrapperStruct00={4:0}, isInitial=1] [L91] CALL assume_abort_if_not(WrapperStruct00.var_1_5 >= 0) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L20] COND FALSE !(!cond) [L91] RET assume_abort_if_not(WrapperStruct00.var_1_5 >= 0) VAL [WrapperStruct00={4:0}, isInitial=1] [L92] EXPR WrapperStruct00.var_1_5 VAL [WrapperStruct00={4:0}, isInitial=1] [L92] CALL assume_abort_if_not(WrapperStruct00.var_1_5 <= 0) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L20] COND FALSE !(!cond) [L92] RET assume_abort_if_not(WrapperStruct00.var_1_5 <= 0) VAL [WrapperStruct00={4:0}, isInitial=1] [L93] WrapperStruct00.var_1_6 = __VERIFIER_nondet_uchar() [L94] EXPR WrapperStruct00.var_1_6 VAL [WrapperStruct00={4:0}, isInitial=1] [L94] CALL assume_abort_if_not(WrapperStruct00.var_1_6 >= 0) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L20] COND FALSE !(!cond) [L94] RET assume_abort_if_not(WrapperStruct00.var_1_6 >= 0) VAL [WrapperStruct00={4:0}, isInitial=1] [L95] EXPR WrapperStruct00.var_1_6 VAL [WrapperStruct00={4:0}, isInitial=1] [L95] CALL assume_abort_if_not(WrapperStruct00.var_1_6 <= 0) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L20] COND FALSE !(!cond) [L95] RET assume_abort_if_not(WrapperStruct00.var_1_6 <= 0) VAL [WrapperStruct00={4:0}, isInitial=1] [L96] WrapperStruct00.var_1_7 = __VERIFIER_nondet_uchar() [L97] EXPR WrapperStruct00.var_1_7 VAL [WrapperStruct00={4:0}, isInitial=1] [L97] CALL assume_abort_if_not(WrapperStruct00.var_1_7 >= 1) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L20] COND FALSE !(!cond) [L97] RET assume_abort_if_not(WrapperStruct00.var_1_7 >= 1) VAL [WrapperStruct00={4:0}, isInitial=1] [L98] EXPR WrapperStruct00.var_1_7 VAL [WrapperStruct00={4:0}, isInitial=1] [L98] CALL assume_abort_if_not(WrapperStruct00.var_1_7 <= 1) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L20] COND FALSE !(!cond) [L98] RET assume_abort_if_not(WrapperStruct00.var_1_7 <= 1) VAL [WrapperStruct00={4:0}, isInitial=1] [L99] WrapperStruct00.var_1_13 = __VERIFIER_nondet_float() [L100] EXPR WrapperStruct00.var_1_13 [L100] EXPR WrapperStruct00.var_1_13 >= -461168.6018427382800e+13F && WrapperStruct00.var_1_13 <= -1.0e-20F [L100] EXPR WrapperStruct00.var_1_13 [L100] EXPR WrapperStruct00.var_1_13 >= -461168.6018427382800e+13F && WrapperStruct00.var_1_13 <= -1.0e-20F [L100] 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] [L100] 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] [L20] COND FALSE !(!cond) [L100] 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] [L101] WrapperStruct00.var_1_14 = __VERIFIER_nondet_float() [L102] EXPR WrapperStruct00.var_1_14 [L102] EXPR WrapperStruct00.var_1_14 >= 2305843.009213691390e+12F && WrapperStruct00.var_1_14 <= -1.0e-20F [L102] EXPR WrapperStruct00.var_1_14 [L102] EXPR WrapperStruct00.var_1_14 >= 2305843.009213691390e+12F && WrapperStruct00.var_1_14 <= -1.0e-20F [L102] EXPR (WrapperStruct00.var_1_14 >= 2305843.009213691390e+12F && 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] [L102] CALL assume_abort_if_not((WrapperStruct00.var_1_14 >= 2305843.009213691390e+12F && 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] [L20] COND FALSE !(!cond) [L102] RET assume_abort_if_not((WrapperStruct00.var_1_14 >= 2305843.009213691390e+12F && 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] [L103] WrapperStruct00.var_1_15 = __VERIFIER_nondet_float() [L104] EXPR WrapperStruct00.var_1_15 [L104] EXPR WrapperStruct00.var_1_15 >= 0.0F && WrapperStruct00.var_1_15 <= -1.0e-20F [L104] EXPR (WrapperStruct00.var_1_15 >= 0.0F && WrapperStruct00.var_1_15 <= -1.0e-20F) || (WrapperStruct00.var_1_15 <= 2305843.009213691390e+12F && WrapperStruct00.var_1_15 >= 1.0e-20F ) [L104] EXPR WrapperStruct00.var_1_15 [L104] EXPR WrapperStruct00.var_1_15 <= 2305843.009213691390e+12F && WrapperStruct00.var_1_15 >= 1.0e-20F [L104] EXPR WrapperStruct00.var_1_15 [L104] EXPR WrapperStruct00.var_1_15 <= 2305843.009213691390e+12F && WrapperStruct00.var_1_15 >= 1.0e-20F [L104] EXPR (WrapperStruct00.var_1_15 >= 0.0F && WrapperStruct00.var_1_15 <= -1.0e-20F) || (WrapperStruct00.var_1_15 <= 2305843.009213691390e+12F && WrapperStruct00.var_1_15 >= 1.0e-20F ) VAL [WrapperStruct00={4:0}, isInitial=1] [L104] CALL assume_abort_if_not((WrapperStruct00.var_1_15 >= 0.0F && WrapperStruct00.var_1_15 <= -1.0e-20F) || (WrapperStruct00.var_1_15 <= 2305843.009213691390e+12F && WrapperStruct00.var_1_15 >= 1.0e-20F )) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L20] COND FALSE !(!cond) [L104] RET assume_abort_if_not((WrapperStruct00.var_1_15 >= 0.0F && WrapperStruct00.var_1_15 <= -1.0e-20F) || (WrapperStruct00.var_1_15 <= 2305843.009213691390e+12F && WrapperStruct00.var_1_15 >= 1.0e-20F )) VAL [WrapperStruct00={4:0}, isInitial=1] [L105] WrapperStruct00.var_1_16 = __VERIFIER_nondet_float() [L106] EXPR WrapperStruct00.var_1_16 [L106] EXPR WrapperStruct00.var_1_16 >= 0.0F && WrapperStruct00.var_1_16 <= -1.0e-20F [L106] EXPR WrapperStruct00.var_1_16 [L106] EXPR WrapperStruct00.var_1_16 >= 0.0F && WrapperStruct00.var_1_16 <= -1.0e-20F [L106] EXPR (WrapperStruct00.var_1_16 >= 0.0F && WrapperStruct00.var_1_16 <= -1.0e-20F) || (WrapperStruct00.var_1_16 <= 4611686.018427382800e+12F && WrapperStruct00.var_1_16 >= 1.0e-20F ) VAL [WrapperStruct00={4:0}, isInitial=1] [L106] CALL assume_abort_if_not((WrapperStruct00.var_1_16 >= 0.0F && WrapperStruct00.var_1_16 <= -1.0e-20F) || (WrapperStruct00.var_1_16 <= 4611686.018427382800e+12F && WrapperStruct00.var_1_16 >= 1.0e-20F )) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L20] COND FALSE !(!cond) [L106] RET assume_abort_if_not((WrapperStruct00.var_1_16 >= 0.0F && WrapperStruct00.var_1_16 <= -1.0e-20F) || (WrapperStruct00.var_1_16 <= 4611686.018427382800e+12F && WrapperStruct00.var_1_16 >= 1.0e-20F )) VAL [WrapperStruct00={4:0}, isInitial=1] [L107] WrapperStruct00.var_1_20 = __VERIFIER_nondet_uchar() [L108] EXPR WrapperStruct00.var_1_20 VAL [WrapperStruct00={4:0}, isInitial=1] [L108] CALL assume_abort_if_not(WrapperStruct00.var_1_20 >= 0) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L20] COND FALSE !(!cond) [L108] RET assume_abort_if_not(WrapperStruct00.var_1_20 >= 0) VAL [WrapperStruct00={4:0}, isInitial=1] [L109] EXPR WrapperStruct00.var_1_20 VAL [WrapperStruct00={4:0}, isInitial=1] [L109] CALL assume_abort_if_not(WrapperStruct00.var_1_20 <= 254) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L20] COND FALSE !(!cond) [L109] RET assume_abort_if_not(WrapperStruct00.var_1_20 <= 254) VAL [WrapperStruct00={4:0}, isInitial=1] [L122] RET updateVariables() [L123] CALL step() [L60] EXPR WrapperStruct00.var_1_14 [L60] WrapperStruct00.var_1_17 = WrapperStruct00.var_1_14 [L61] EXPR WrapperStruct00.var_1_20 [L61] WrapperStruct00.var_1_19 = WrapperStruct00.var_1_20 [L62] EXPR WrapperStruct00.var_1_19 [L62] WrapperStruct00.var_1_18 = WrapperStruct00.var_1_19 [L63] EXPR WrapperStruct00.var_1_19 [L63] unsigned char stepLocal_1 = WrapperStruct00.var_1_19; [L64] EXPR WrapperStruct00.var_1_18 [L64] EXPR WrapperStruct00.var_1_18 [L64] EXPR WrapperStruct00.var_1_19 [L64] EXPR WrapperStruct00.var_1_19 [L64] signed long int stepLocal_0 = (WrapperStruct00.var_1_18 * WrapperStruct00.var_1_18) * (WrapperStruct00.var_1_19 - WrapperStruct00.var_1_19); [L65] COND FALSE !(stepLocal_0 >= 1u) [L72] EXPR WrapperStruct00.var_1_19 [L72] WrapperStruct00.var_1_8 = WrapperStruct00.var_1_19 [L74] EXPR WrapperStruct00.var_1_8 [L74] signed long int stepLocal_2 = WrapperStruct00.var_1_8; [L75] EXPR WrapperStruct00.var_1_19 [L75] COND FALSE !(WrapperStruct00.var_1_19 > stepLocal_2) [L78] EXPR WrapperStruct00.var_1_16 [L78] EXPR WrapperStruct00.var_1_14 [L78] EXPR WrapperStruct00.var_1_15 [L78] WrapperStruct00.var_1_12 = (WrapperStruct00.var_1_16 - (WrapperStruct00.var_1_14 + WrapperStruct00.var_1_15)) [L80] EXPR WrapperStruct00.var_1_18 [L80] EXPR WrapperStruct00.var_1_8 [L80] COND FALSE !(WrapperStruct00.var_1_18 >= (8u * WrapperStruct00.var_1_8)) [L83] EXPR WrapperStruct00.var_1_7 [L83] WrapperStruct00.var_1_1 = WrapperStruct00.var_1_7 [L123] RET step() [L124] CALL, EXPR property() [L114] EXPR WrapperStruct00.var_1_18 [L114] EXPR WrapperStruct00.var_1_8 [L114] EXPR (WrapperStruct00.var_1_18 >= (8u * WrapperStruct00.var_1_8)) ? (WrapperStruct00.var_1_1 == ((unsigned char) (! (WrapperStruct00.var_1_4 || (WrapperStruct00.var_1_5 || WrapperStruct00.var_1_6))))) : (WrapperStruct00.var_1_1 == ((unsigned char) WrapperStruct00.var_1_7)) [L114] EXPR WrapperStruct00.var_1_1 [L114] EXPR WrapperStruct00.var_1_7 [L114] EXPR (WrapperStruct00.var_1_18 >= (8u * WrapperStruct00.var_1_8)) ? (WrapperStruct00.var_1_1 == ((unsigned char) (! (WrapperStruct00.var_1_4 || (WrapperStruct00.var_1_5 || WrapperStruct00.var_1_6))))) : (WrapperStruct00.var_1_1 == ((unsigned char) WrapperStruct00.var_1_7)) [L114] EXPR ((WrapperStruct00.var_1_18 >= (8u * WrapperStruct00.var_1_8)) ? (WrapperStruct00.var_1_1 == ((unsigned char) (! (WrapperStruct00.var_1_4 || (WrapperStruct00.var_1_5 || WrapperStruct00.var_1_6))))) : (WrapperStruct00.var_1_1 == ((unsigned char) WrapperStruct00.var_1_7))) && ((((WrapperStruct00.var_1_18 * WrapperStruct00.var_1_18) * (WrapperStruct00.var_1_19 - WrapperStruct00.var_1_19)) >= 1u) ? ((WrapperStruct00.var_1_18 <= WrapperStruct00.var_1_19) ? (WrapperStruct00.var_1_8 == ((signed long int) WrapperStruct00.var_1_19)) : (WrapperStruct00.var_1_8 == ((signed long int) WrapperStruct00.var_1_19))) : (WrapperStruct00.var_1_8 == ((signed long int) WrapperStruct00.var_1_19))) [L114] EXPR WrapperStruct00.var_1_18 [L114] EXPR WrapperStruct00.var_1_18 [L114] EXPR WrapperStruct00.var_1_19 [L114] EXPR WrapperStruct00.var_1_19 [L114] EXPR (((WrapperStruct00.var_1_18 * WrapperStruct00.var_1_18) * (WrapperStruct00.var_1_19 - WrapperStruct00.var_1_19)) >= 1u) ? ((WrapperStruct00.var_1_18 <= WrapperStruct00.var_1_19) ? (WrapperStruct00.var_1_8 == ((signed long int) WrapperStruct00.var_1_19)) : (WrapperStruct00.var_1_8 == ((signed long int) WrapperStruct00.var_1_19))) : (WrapperStruct00.var_1_8 == ((signed long int) WrapperStruct00.var_1_19)) [L114] EXPR WrapperStruct00.var_1_8 [L114] EXPR WrapperStruct00.var_1_19 [L114] EXPR (((WrapperStruct00.var_1_18 * WrapperStruct00.var_1_18) * (WrapperStruct00.var_1_19 - WrapperStruct00.var_1_19)) >= 1u) ? ((WrapperStruct00.var_1_18 <= WrapperStruct00.var_1_19) ? (WrapperStruct00.var_1_8 == ((signed long int) WrapperStruct00.var_1_19)) : (WrapperStruct00.var_1_8 == ((signed long int) WrapperStruct00.var_1_19))) : (WrapperStruct00.var_1_8 == ((signed long int) WrapperStruct00.var_1_19)) [L114] EXPR ((WrapperStruct00.var_1_18 >= (8u * WrapperStruct00.var_1_8)) ? (WrapperStruct00.var_1_1 == ((unsigned char) (! (WrapperStruct00.var_1_4 || (WrapperStruct00.var_1_5 || WrapperStruct00.var_1_6))))) : (WrapperStruct00.var_1_1 == ((unsigned char) WrapperStruct00.var_1_7))) && ((((WrapperStruct00.var_1_18 * WrapperStruct00.var_1_18) * (WrapperStruct00.var_1_19 - WrapperStruct00.var_1_19)) >= 1u) ? ((WrapperStruct00.var_1_18 <= WrapperStruct00.var_1_19) ? (WrapperStruct00.var_1_8 == ((signed long int) WrapperStruct00.var_1_19)) : (WrapperStruct00.var_1_8 == ((signed long int) WrapperStruct00.var_1_19))) : (WrapperStruct00.var_1_8 == ((signed long int) WrapperStruct00.var_1_19))) [L114] EXPR (((WrapperStruct00.var_1_18 >= (8u * WrapperStruct00.var_1_8)) ? (WrapperStruct00.var_1_1 == ((unsigned char) (! (WrapperStruct00.var_1_4 || (WrapperStruct00.var_1_5 || WrapperStruct00.var_1_6))))) : (WrapperStruct00.var_1_1 == ((unsigned char) WrapperStruct00.var_1_7))) && ((((WrapperStruct00.var_1_18 * WrapperStruct00.var_1_18) * (WrapperStruct00.var_1_19 - WrapperStruct00.var_1_19)) >= 1u) ? ((WrapperStruct00.var_1_18 <= WrapperStruct00.var_1_19) ? (WrapperStruct00.var_1_8 == ((signed long int) WrapperStruct00.var_1_19)) : (WrapperStruct00.var_1_8 == ((signed long int) WrapperStruct00.var_1_19))) : (WrapperStruct00.var_1_8 == ((signed long int) WrapperStruct00.var_1_19)))) && ((WrapperStruct00.var_1_19 > WrapperStruct00.var_1_8) ? (WrapperStruct00.var_1_12 == ((float) (WrapperStruct00.var_1_13 + ((WrapperStruct00.var_1_14 - WrapperStruct00.var_1_15) - WrapperStruct00.var_1_16)))) : (WrapperStruct00.var_1_12 == ((float) (WrapperStruct00.var_1_16 - (WrapperStruct00.var_1_14 + WrapperStruct00.var_1_15))))) [L114] EXPR WrapperStruct00.var_1_19 [L114] EXPR WrapperStruct00.var_1_8 [L114] EXPR (WrapperStruct00.var_1_19 > WrapperStruct00.var_1_8) ? (WrapperStruct00.var_1_12 == ((float) (WrapperStruct00.var_1_13 + ((WrapperStruct00.var_1_14 - WrapperStruct00.var_1_15) - WrapperStruct00.var_1_16)))) : (WrapperStruct00.var_1_12 == ((float) (WrapperStruct00.var_1_16 - (WrapperStruct00.var_1_14 + WrapperStruct00.var_1_15)))) [L114] EXPR WrapperStruct00.var_1_12 [L114] EXPR WrapperStruct00.var_1_16 [L114] EXPR WrapperStruct00.var_1_14 [L114] EXPR WrapperStruct00.var_1_15 [L114] EXPR (WrapperStruct00.var_1_19 > WrapperStruct00.var_1_8) ? (WrapperStruct00.var_1_12 == ((float) (WrapperStruct00.var_1_13 + ((WrapperStruct00.var_1_14 - WrapperStruct00.var_1_15) - WrapperStruct00.var_1_16)))) : (WrapperStruct00.var_1_12 == ((float) (WrapperStruct00.var_1_16 - (WrapperStruct00.var_1_14 + WrapperStruct00.var_1_15)))) [L114] EXPR (((WrapperStruct00.var_1_18 >= (8u * WrapperStruct00.var_1_8)) ? (WrapperStruct00.var_1_1 == ((unsigned char) (! (WrapperStruct00.var_1_4 || (WrapperStruct00.var_1_5 || WrapperStruct00.var_1_6))))) : (WrapperStruct00.var_1_1 == ((unsigned char) WrapperStruct00.var_1_7))) && ((((WrapperStruct00.var_1_18 * WrapperStruct00.var_1_18) * (WrapperStruct00.var_1_19 - WrapperStruct00.var_1_19)) >= 1u) ? ((WrapperStruct00.var_1_18 <= WrapperStruct00.var_1_19) ? (WrapperStruct00.var_1_8 == ((signed long int) WrapperStruct00.var_1_19)) : (WrapperStruct00.var_1_8 == ((signed long int) WrapperStruct00.var_1_19))) : (WrapperStruct00.var_1_8 == ((signed long int) WrapperStruct00.var_1_19)))) && ((WrapperStruct00.var_1_19 > WrapperStruct00.var_1_8) ? (WrapperStruct00.var_1_12 == ((float) (WrapperStruct00.var_1_13 + ((WrapperStruct00.var_1_14 - WrapperStruct00.var_1_15) - WrapperStruct00.var_1_16)))) : (WrapperStruct00.var_1_12 == ((float) (WrapperStruct00.var_1_16 - (WrapperStruct00.var_1_14 + WrapperStruct00.var_1_15))))) [L114] EXPR ((((WrapperStruct00.var_1_18 >= (8u * WrapperStruct00.var_1_8)) ? (WrapperStruct00.var_1_1 == ((unsigned char) (! (WrapperStruct00.var_1_4 || (WrapperStruct00.var_1_5 || WrapperStruct00.var_1_6))))) : (WrapperStruct00.var_1_1 == ((unsigned char) WrapperStruct00.var_1_7))) && ((((WrapperStruct00.var_1_18 * WrapperStruct00.var_1_18) * (WrapperStruct00.var_1_19 - WrapperStruct00.var_1_19)) >= 1u) ? ((WrapperStruct00.var_1_18 <= WrapperStruct00.var_1_19) ? (WrapperStruct00.var_1_8 == ((signed long int) WrapperStruct00.var_1_19)) : (WrapperStruct00.var_1_8 == ((signed long int) WrapperStruct00.var_1_19))) : (WrapperStruct00.var_1_8 == ((signed long int) WrapperStruct00.var_1_19)))) && ((WrapperStruct00.var_1_19 > WrapperStruct00.var_1_8) ? (WrapperStruct00.var_1_12 == ((float) (WrapperStruct00.var_1_13 + ((WrapperStruct00.var_1_14 - WrapperStruct00.var_1_15) - WrapperStruct00.var_1_16)))) : (WrapperStruct00.var_1_12 == ((float) (WrapperStruct00.var_1_16 - (WrapperStruct00.var_1_14 + WrapperStruct00.var_1_15)))))) && (WrapperStruct00.var_1_17 == ((float) WrapperStruct00.var_1_14)) [L114] EXPR (((((WrapperStruct00.var_1_18 >= (8u * WrapperStruct00.var_1_8)) ? (WrapperStruct00.var_1_1 == ((unsigned char) (! (WrapperStruct00.var_1_4 || (WrapperStruct00.var_1_5 || WrapperStruct00.var_1_6))))) : (WrapperStruct00.var_1_1 == ((unsigned char) WrapperStruct00.var_1_7))) && ((((WrapperStruct00.var_1_18 * WrapperStruct00.var_1_18) * (WrapperStruct00.var_1_19 - WrapperStruct00.var_1_19)) >= 1u) ? ((WrapperStruct00.var_1_18 <= WrapperStruct00.var_1_19) ? (WrapperStruct00.var_1_8 == ((signed long int) WrapperStruct00.var_1_19)) : (WrapperStruct00.var_1_8 == ((signed long int) WrapperStruct00.var_1_19))) : (WrapperStruct00.var_1_8 == ((signed long int) WrapperStruct00.var_1_19)))) && ((WrapperStruct00.var_1_19 > WrapperStruct00.var_1_8) ? (WrapperStruct00.var_1_12 == ((float) (WrapperStruct00.var_1_13 + ((WrapperStruct00.var_1_14 - WrapperStruct00.var_1_15) - WrapperStruct00.var_1_16)))) : (WrapperStruct00.var_1_12 == ((float) (WrapperStruct00.var_1_16 - (WrapperStruct00.var_1_14 + WrapperStruct00.var_1_15)))))) && (WrapperStruct00.var_1_17 == ((float) WrapperStruct00.var_1_14))) && (WrapperStruct00.var_1_18 == ((signed long int) WrapperStruct00.var_1_19)) [L114] EXPR ((((((WrapperStruct00.var_1_18 >= (8u * WrapperStruct00.var_1_8)) ? (WrapperStruct00.var_1_1 == ((unsigned char) (! (WrapperStruct00.var_1_4 || (WrapperStruct00.var_1_5 || WrapperStruct00.var_1_6))))) : (WrapperStruct00.var_1_1 == ((unsigned char) WrapperStruct00.var_1_7))) && ((((WrapperStruct00.var_1_18 * WrapperStruct00.var_1_18) * (WrapperStruct00.var_1_19 - WrapperStruct00.var_1_19)) >= 1u) ? ((WrapperStruct00.var_1_18 <= WrapperStruct00.var_1_19) ? (WrapperStruct00.var_1_8 == ((signed long int) WrapperStruct00.var_1_19)) : (WrapperStruct00.var_1_8 == ((signed long int) WrapperStruct00.var_1_19))) : (WrapperStruct00.var_1_8 == ((signed long int) WrapperStruct00.var_1_19)))) && ((WrapperStruct00.var_1_19 > WrapperStruct00.var_1_8) ? (WrapperStruct00.var_1_12 == ((float) (WrapperStruct00.var_1_13 + ((WrapperStruct00.var_1_14 - WrapperStruct00.var_1_15) - WrapperStruct00.var_1_16)))) : (WrapperStruct00.var_1_12 == ((float) (WrapperStruct00.var_1_16 - (WrapperStruct00.var_1_14 + WrapperStruct00.var_1_15)))))) && (WrapperStruct00.var_1_17 == ((float) WrapperStruct00.var_1_14))) && (WrapperStruct00.var_1_18 == ((signed long int) WrapperStruct00.var_1_19))) && (WrapperStruct00.var_1_19 == ((unsigned char) WrapperStruct00.var_1_20)) [L114-L115] return ((((((WrapperStruct00.var_1_18 >= (8u * WrapperStruct00.var_1_8)) ? (WrapperStruct00.var_1_1 == ((unsigned char) (! (WrapperStruct00.var_1_4 || (WrapperStruct00.var_1_5 || WrapperStruct00.var_1_6))))) : (WrapperStruct00.var_1_1 == ((unsigned char) WrapperStruct00.var_1_7))) && ((((WrapperStruct00.var_1_18 * WrapperStruct00.var_1_18) * (WrapperStruct00.var_1_19 - WrapperStruct00.var_1_19)) >= 1u) ? ((WrapperStruct00.var_1_18 <= WrapperStruct00.var_1_19) ? (WrapperStruct00.var_1_8 == ((signed long int) WrapperStruct00.var_1_19)) : (WrapperStruct00.var_1_8 == ((signed long int) WrapperStruct00.var_1_19))) : (WrapperStruct00.var_1_8 == ((signed long int) WrapperStruct00.var_1_19)))) && ((WrapperStruct00.var_1_19 > WrapperStruct00.var_1_8) ? (WrapperStruct00.var_1_12 == ((float) (WrapperStruct00.var_1_13 + ((WrapperStruct00.var_1_14 - WrapperStruct00.var_1_15) - WrapperStruct00.var_1_16)))) : (WrapperStruct00.var_1_12 == ((float) (WrapperStruct00.var_1_16 - (WrapperStruct00.var_1_14 + WrapperStruct00.var_1_15)))))) && (WrapperStruct00.var_1_17 == ((float) WrapperStruct00.var_1_14))) && (WrapperStruct00.var_1_18 == ((signed long int) WrapperStruct00.var_1_19))) && (WrapperStruct00.var_1_19 == ((unsigned char) WrapperStruct00.var_1_20)) ; [L124] RET, EXPR property() [L124] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [WrapperStruct00={4:0}, \old(cond)=0, cond=0, isInitial=1] [L19] reach_error() VAL [WrapperStruct00={4:0}, \old(cond)=0, cond=0, isInitial=1] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 37 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 2.5s, OverallIterations: 1, TraceHistogramMax: 14, 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=37occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.8s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 60 NumberOfCodeBlocks, 60 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-11-19 05:21:48,518 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b96d8ff-eff9-482e-b28c-5706094d74b0/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_0b96d8ff-eff9-482e-b28c-5706094d74b0/bin/utaipan-verify-t7M7D8N6sZ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b96d8ff-eff9-482e-b28c-5706094d74b0/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_0b96d8ff-eff9-482e-b28c-5706094d74b0/bin/utaipan-verify-t7M7D8N6sZ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b96d8ff-eff9-482e-b28c-5706094d74b0/bin/utaipan-verify-t7M7D8N6sZ/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-8.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b96d8ff-eff9-482e-b28c-5706094d74b0/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_0b96d8ff-eff9-482e-b28c-5706094d74b0/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 64fa20811e3d6b4f48d530fd12c5b3e1f5523460c92f2bd0d2e9efe97c916004 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 05:21:51,417 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 05:21:51,563 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b96d8ff-eff9-482e-b28c-5706094d74b0/bin/utaipan-verify-t7M7D8N6sZ/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2023-11-19 05:21:51,573 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 05:21:51,574 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 05:21:51,621 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 05:21:51,622 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 05:21:51,623 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 05:21:51,624 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 05:21:51,630 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-19 05:21:51,630 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-19 05:21:51,631 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-19 05:21:51,631 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-19 05:21:51,633 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-19 05:21:51,634 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-19 05:21:51,634 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-19 05:21:51,636 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 05:21:51,637 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 05:21:51,637 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 05:21:51,639 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 05:21:51,639 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 05:21:51,640 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 05:21:51,641 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 05:21:51,641 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 05:21:51,642 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-19 05:21:51,642 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-19 05:21:51,643 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-19 05:21:51,643 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 05:21:51,644 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 05:21:51,644 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 05:21:51,645 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 05:21:51,646 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-19 05:21:51,646 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-19 05:21:51,647 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 05:21:51,647 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 05:21:51,647 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 05:21:51,648 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 05:21:51,648 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-19 05:21:51,648 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 05:21:51,649 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 05:21:51,650 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-19 05:21:51,650 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 05:21:51,651 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_0b96d8ff-eff9-482e-b28c-5706094d74b0/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b96d8ff-eff9-482e-b28c-5706094d74b0/bin/utaipan-verify-t7M7D8N6sZ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 64fa20811e3d6b4f48d530fd12c5b3e1f5523460c92f2bd0d2e9efe97c916004 [2023-11-19 05:21:52,130 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 05:21:52,161 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 05:21:52,164 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 05:21:52,166 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 05:21:52,166 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 05:21:52,168 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b96d8ff-eff9-482e-b28c-5706094d74b0/bin/utaipan-verify-t7M7D8N6sZ/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-8.i [2023-11-19 05:21:55,338 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 05:21:55,639 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 05:21:55,639 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b96d8ff-eff9-482e-b28c-5706094d74b0/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-8.i [2023-11-19 05:21:55,650 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b96d8ff-eff9-482e-b28c-5706094d74b0/bin/utaipan-verify-t7M7D8N6sZ/data/ed9301183/754af30352da4578a3ad0c56ae8cfc53/FLAG8a28f7647 [2023-11-19 05:21:55,667 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b96d8ff-eff9-482e-b28c-5706094d74b0/bin/utaipan-verify-t7M7D8N6sZ/data/ed9301183/754af30352da4578a3ad0c56ae8cfc53 [2023-11-19 05:21:55,670 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 05:21:55,671 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 05:21:55,673 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 05:21:55,673 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 05:21:55,679 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 05:21:55,680 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 05:21:55" (1/1) ... [2023-11-19 05:21:55,681 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@114f27ef and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:21:55, skipping insertion in model container [2023-11-19 05:21:55,682 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 05:21:55" (1/1) ... [2023-11-19 05:21:55,714 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 05:21:55,886 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_0b96d8ff-eff9-482e-b28c-5706094d74b0/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-8.i[915,928] [2023-11-19 05:21:55,945 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 05:21:55,974 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 05:21:55,992 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_0b96d8ff-eff9-482e-b28c-5706094d74b0/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-8.i[915,928] [2023-11-19 05:21:56,064 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 05:21:56,102 INFO L206 MainTranslator]: Completed translation [2023-11-19 05:21:56,110 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:21:56 WrapperNode [2023-11-19 05:21:56,111 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 05:21:56,112 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 05:21:56,113 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 05:21:56,113 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 05:21:56,122 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:21:56" (1/1) ... [2023-11-19 05:21:56,152 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:21:56" (1/1) ... [2023-11-19 05:21:56,217 INFO L138 Inliner]: procedures = 33, calls = 152, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 393 [2023-11-19 05:21:56,226 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 05:21:56,227 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 05:21:56,227 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 05:21:56,227 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 05:21:56,235 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:21:56" (1/1) ... [2023-11-19 05:21:56,236 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:21:56" (1/1) ... [2023-11-19 05:21:56,246 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:21:56" (1/1) ... [2023-11-19 05:21:56,246 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:21:56" (1/1) ... [2023-11-19 05:21:56,275 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:21:56" (1/1) ... [2023-11-19 05:21:56,281 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:21:56" (1/1) ... [2023-11-19 05:21:56,287 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:21:56" (1/1) ... [2023-11-19 05:21:56,290 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:21:56" (1/1) ... [2023-11-19 05:21:56,298 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 05:21:56,300 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 05:21:56,300 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 05:21:56,300 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 05:21:56,301 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:21:56" (1/1) ... [2023-11-19 05:21:56,322 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 05:21:56,340 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b96d8ff-eff9-482e-b28c-5706094d74b0/bin/utaipan-verify-t7M7D8N6sZ/z3 [2023-11-19 05:21:56,384 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b96d8ff-eff9-482e-b28c-5706094d74b0/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-19 05:21:56,412 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b96d8ff-eff9-482e-b28c-5706094d74b0/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-19 05:21:56,451 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 05:21:56,452 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2023-11-19 05:21:56,452 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-19 05:21:56,452 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2023-11-19 05:21:56,453 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2023-11-19 05:21:56,453 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-11-19 05:21:56,453 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2023-11-19 05:21:56,453 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4 [2023-11-19 05:21:56,454 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-19 05:21:56,456 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-19 05:21:56,457 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 05:21:56,457 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 05:21:56,458 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2023-11-19 05:21:56,458 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-11-19 05:21:56,674 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 05:21:56,679 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 05:21:59,945 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 05:21:59,957 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 05:21:59,957 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-19 05:21:59,962 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 05:21:59 BoogieIcfgContainer [2023-11-19 05:21:59,963 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 05:21:59,965 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-19 05:21:59,966 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-19 05:21:59,969 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-19 05:21:59,970 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 05:21:55" (1/3) ... [2023-11-19 05:21:59,971 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@755ddd6b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 05:21:59, skipping insertion in model container [2023-11-19 05:21:59,971 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:21:56" (2/3) ... [2023-11-19 05:21:59,971 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@755ddd6b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 05:21:59, skipping insertion in model container [2023-11-19 05:21:59,972 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 05:21:59" (3/3) ... [2023-11-19 05:21:59,973 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_wrapper-s_file-8.i [2023-11-19 05:21:59,994 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-19 05:21:59,995 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-19 05:22:00,050 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-19 05:22:00,058 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;@7132407e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-19 05:22:00,058 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-19 05:22:00,063 INFO L276 IsEmpty]: Start isEmpty. Operand has 100 states, 83 states have (on average 1.4096385542168675) internal successors, (117), 84 states have internal predecessors, (117), 14 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2023-11-19 05:22:00,080 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2023-11-19 05:22:00,080 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 05:22:00,081 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 05:22:00,082 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 05:22:00,087 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 05:22:00,088 INFO L85 PathProgramCache]: Analyzing trace with hash 1431925537, now seen corresponding path program 1 times [2023-11-19 05:22:00,104 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-19 05:22:00,105 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2079818757] [2023-11-19 05:22:00,105 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:22:00,105 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-19 05:22:00,106 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b96d8ff-eff9-482e-b28c-5706094d74b0/bin/utaipan-verify-t7M7D8N6sZ/mathsat [2023-11-19 05:22:00,126 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b96d8ff-eff9-482e-b28c-5706094d74b0/bin/utaipan-verify-t7M7D8N6sZ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-19 05:22:00,128 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b96d8ff-eff9-482e-b28c-5706094d74b0/bin/utaipan-verify-t7M7D8N6sZ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2023-11-19 05:22:00,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 05:22:00,808 INFO L262 TraceCheckSpWp]: Trace formula consists of 263 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 05:22:00,823 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 05:22:00,886 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 146 proven. 0 refuted. 0 times theorem prover too weak. 218 trivial. 0 not checked. [2023-11-19 05:22:00,889 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-19 05:22:00,891 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-19 05:22:00,891 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2079818757] [2023-11-19 05:22:00,892 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2079818757] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 05:22:00,892 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 05:22:00,892 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-19 05:22:00,894 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1857285512] [2023-11-19 05:22:00,898 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 05:22:00,906 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-19 05:22:00,907 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-19 05:22:00,951 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-19 05:22:00,952 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-19 05:22:00,955 INFO L87 Difference]: Start difference. First operand has 100 states, 83 states have (on average 1.4096385542168675) internal successors, (117), 84 states have internal predecessors, (117), 14 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) Second operand has 2 states, 2 states have (on average 30.0) internal successors, (60), 2 states have internal predecessors, (60), 2 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2023-11-19 05:22:00,995 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 05:22:00,996 INFO L93 Difference]: Finished difference Result 193 states and 298 transitions. [2023-11-19 05:22:00,997 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-19 05:22:00,999 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 30.0) internal successors, (60), 2 states have internal predecessors, (60), 2 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 123 [2023-11-19 05:22:00,999 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 05:22:01,008 INFO L225 Difference]: With dead ends: 193 [2023-11-19 05:22:01,008 INFO L226 Difference]: Without dead ends: 96 [2023-11-19 05:22:01,013 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 122 GetRequests, 122 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-19 05:22:01,023 INFO L413 NwaCegarLoop]: 138 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, 138 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-19 05:22:01,024 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 138 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-19 05:22:01,040 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 96 states. [2023-11-19 05:22:01,067 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 96 to 96. [2023-11-19 05:22:01,069 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 96 states, 80 states have (on average 1.375) internal successors, (110), 80 states have internal predecessors, (110), 14 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2023-11-19 05:22:01,099 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 96 states and 138 transitions. [2023-11-19 05:22:01,101 INFO L78 Accepts]: Start accepts. Automaton has 96 states and 138 transitions. Word has length 123 [2023-11-19 05:22:01,101 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 05:22:01,101 INFO L495 AbstractCegarLoop]: Abstraction has 96 states and 138 transitions. [2023-11-19 05:22:01,102 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 30.0) internal successors, (60), 2 states have internal predecessors, (60), 2 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2023-11-19 05:22:01,102 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 138 transitions. [2023-11-19 05:22:01,105 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2023-11-19 05:22:01,106 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 05:22:01,106 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 05:22:01,124 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b96d8ff-eff9-482e-b28c-5706094d74b0/bin/utaipan-verify-t7M7D8N6sZ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2023-11-19 05:22:01,316 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b96d8ff-eff9-482e-b28c-5706094d74b0/bin/utaipan-verify-t7M7D8N6sZ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-19 05:22:01,317 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 05:22:01,318 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 05:22:01,318 INFO L85 PathProgramCache]: Analyzing trace with hash 2107248781, now seen corresponding path program 1 times [2023-11-19 05:22:01,319 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-19 05:22:01,319 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1216492223] [2023-11-19 05:22:01,319 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:22:01,320 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-19 05:22:01,320 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b96d8ff-eff9-482e-b28c-5706094d74b0/bin/utaipan-verify-t7M7D8N6sZ/mathsat [2023-11-19 05:22:01,321 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b96d8ff-eff9-482e-b28c-5706094d74b0/bin/utaipan-verify-t7M7D8N6sZ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-19 05:22:01,327 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b96d8ff-eff9-482e-b28c-5706094d74b0/bin/utaipan-verify-t7M7D8N6sZ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2023-11-19 05:22:01,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 05:22:01,832 INFO L262 TraceCheckSpWp]: Trace formula consists of 263 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 05:22:01,838 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 05:22:01,909 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 160 proven. 0 refuted. 0 times theorem prover too weak. 204 trivial. 0 not checked. [2023-11-19 05:22:01,910 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-19 05:22:01,910 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-19 05:22:01,911 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1216492223] [2023-11-19 05:22:01,911 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1216492223] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 05:22:01,912 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 05:22:01,912 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-19 05:22:01,916 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [157766939] [2023-11-19 05:22:01,917 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 05:22:01,920 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-19 05:22:01,920 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-19 05:22:01,922 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-19 05:22:01,923 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-19 05:22:01,925 INFO L87 Difference]: Start difference. First operand 96 states and 138 transitions. Second operand has 4 states, 4 states have (on average 14.75) internal successors, (59), 4 states have internal predecessors, (59), 2 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2023-11-19 05:22:02,032 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 05:22:02,033 INFO L93 Difference]: Finished difference Result 195 states and 282 transitions. [2023-11-19 05:22:02,034 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-19 05:22:02,035 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 14.75) internal successors, (59), 4 states have internal predecessors, (59), 2 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 123 [2023-11-19 05:22:02,036 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 05:22:02,037 INFO L225 Difference]: With dead ends: 195 [2023-11-19 05:22:02,038 INFO L226 Difference]: Without dead ends: 102 [2023-11-19 05:22:02,039 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 123 GetRequests, 120 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-19 05:22:02,041 INFO L413 NwaCegarLoop]: 137 mSDtfsCounter, 10 mSDsluCounter, 262 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 399 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-19 05:22:02,041 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [11 Valid, 399 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-19 05:22:02,043 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 102 states. [2023-11-19 05:22:02,056 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 102 to 98. [2023-11-19 05:22:02,057 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 98 states, 82 states have (on average 1.3658536585365855) internal successors, (112), 82 states have internal predecessors, (112), 14 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2023-11-19 05:22:02,059 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 98 states and 140 transitions. [2023-11-19 05:22:02,059 INFO L78 Accepts]: Start accepts. Automaton has 98 states and 140 transitions. Word has length 123 [2023-11-19 05:22:02,060 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 05:22:02,060 INFO L495 AbstractCegarLoop]: Abstraction has 98 states and 140 transitions. [2023-11-19 05:22:02,061 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 14.75) internal successors, (59), 4 states have internal predecessors, (59), 2 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2023-11-19 05:22:02,061 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 140 transitions. [2023-11-19 05:22:02,063 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2023-11-19 05:22:02,064 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 05:22:02,064 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 05:22:02,087 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b96d8ff-eff9-482e-b28c-5706094d74b0/bin/utaipan-verify-t7M7D8N6sZ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2023-11-19 05:22:02,276 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b96d8ff-eff9-482e-b28c-5706094d74b0/bin/utaipan-verify-t7M7D8N6sZ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-19 05:22:02,276 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 05:22:02,277 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 05:22:02,277 INFO L85 PathProgramCache]: Analyzing trace with hash 568908751, now seen corresponding path program 1 times [2023-11-19 05:22:02,278 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-19 05:22:02,278 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1746292137] [2023-11-19 05:22:02,279 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:22:02,279 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-19 05:22:02,279 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b96d8ff-eff9-482e-b28c-5706094d74b0/bin/utaipan-verify-t7M7D8N6sZ/mathsat [2023-11-19 05:22:02,280 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b96d8ff-eff9-482e-b28c-5706094d74b0/bin/utaipan-verify-t7M7D8N6sZ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-19 05:22:02,314 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b96d8ff-eff9-482e-b28c-5706094d74b0/bin/utaipan-verify-t7M7D8N6sZ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2023-11-19 05:22:02,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 05:22:02,770 INFO L262 TraceCheckSpWp]: Trace formula consists of 265 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-19 05:22:02,788 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 05:22:02,846 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2023-11-19 05:22:02,847 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-19 05:22:02,848 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-19 05:22:02,849 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1746292137] [2023-11-19 05:22:02,849 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1746292137] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 05:22:02,853 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 05:22:02,855 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-19 05:22:02,856 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1711330884] [2023-11-19 05:22:02,856 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 05:22:02,857 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-19 05:22:02,858 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-19 05:22:02,859 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-19 05:22:02,864 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-19 05:22:02,864 INFO L87 Difference]: Start difference. First operand 98 states and 140 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, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2023-11-19 05:22:03,028 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 05:22:03,036 INFO L93 Difference]: Finished difference Result 214 states and 307 transitions. [2023-11-19 05:22:03,037 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-11-19 05:22:03,037 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, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) Word has length 123 [2023-11-19 05:22:03,038 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 05:22:03,041 INFO L225 Difference]: With dead ends: 214 [2023-11-19 05:22:03,043 INFO L226 Difference]: Without dead ends: 119 [2023-11-19 05:22:03,045 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 125 GetRequests, 119 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 05:22:03,048 INFO L413 NwaCegarLoop]: 133 mSDtfsCounter, 46 mSDsluCounter, 391 mSDsCounter, 0 mSdLazyCounter, 31 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 46 SdHoareTripleChecker+Valid, 524 SdHoareTripleChecker+Invalid, 34 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 31 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-19 05:22:03,050 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [46 Valid, 524 Invalid, 34 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 31 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-19 05:22:03,053 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 119 states. [2023-11-19 05:22:03,066 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 119 to 102. [2023-11-19 05:22:03,067 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 102 states, 86 states have (on average 1.3488372093023255) internal successors, (116), 86 states have internal predecessors, (116), 14 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2023-11-19 05:22:03,069 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 102 states and 144 transitions. [2023-11-19 05:22:03,069 INFO L78 Accepts]: Start accepts. Automaton has 102 states and 144 transitions. Word has length 123 [2023-11-19 05:22:03,070 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 05:22:03,071 INFO L495 AbstractCegarLoop]: Abstraction has 102 states and 144 transitions. [2023-11-19 05:22:03,071 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, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2023-11-19 05:22:03,071 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 144 transitions. [2023-11-19 05:22:03,079 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2023-11-19 05:22:03,080 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 05:22:03,080 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 05:22:03,091 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b96d8ff-eff9-482e-b28c-5706094d74b0/bin/utaipan-verify-t7M7D8N6sZ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2023-11-19 05:22:03,286 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b96d8ff-eff9-482e-b28c-5706094d74b0/bin/utaipan-verify-t7M7D8N6sZ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-19 05:22:03,287 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 05:22:03,287 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 05:22:03,287 INFO L85 PathProgramCache]: Analyzing trace with hash 1248967121, now seen corresponding path program 1 times [2023-11-19 05:22:03,288 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-19 05:22:03,288 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1277736439] [2023-11-19 05:22:03,289 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:22:03,289 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-19 05:22:03,289 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b96d8ff-eff9-482e-b28c-5706094d74b0/bin/utaipan-verify-t7M7D8N6sZ/mathsat [2023-11-19 05:22:03,290 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b96d8ff-eff9-482e-b28c-5706094d74b0/bin/utaipan-verify-t7M7D8N6sZ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-19 05:22:03,310 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b96d8ff-eff9-482e-b28c-5706094d74b0/bin/utaipan-verify-t7M7D8N6sZ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2023-11-19 05:22:03,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 05:22:03,811 INFO L262 TraceCheckSpWp]: Trace formula consists of 262 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-19 05:22:03,816 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 05:22:03,916 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2023-11-19 05:22:03,916 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-19 05:22:03,917 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-19 05:22:03,917 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1277736439] [2023-11-19 05:22:03,917 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1277736439] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 05:22:03,917 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 05:22:03,917 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-19 05:22:03,918 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [890941282] [2023-11-19 05:22:03,918 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 05:22:03,919 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-19 05:22:03,919 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-19 05:22:03,920 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-19 05:22:03,920 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-11-19 05:22:03,920 INFO L87 Difference]: Start difference. First operand 102 states and 144 transitions. Second operand has 6 states, 6 states have (on average 9.333333333333334) internal successors, (56), 6 states have internal predecessors, (56), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2023-11-19 05:22:04,153 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 05:22:04,154 INFO L93 Difference]: Finished difference Result 221 states and 312 transitions. [2023-11-19 05:22:04,158 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-11-19 05:22:04,159 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.333333333333334) internal successors, (56), 6 states have internal predecessors, (56), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) Word has length 123 [2023-11-19 05:22:04,160 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 05:22:04,164 INFO L225 Difference]: With dead ends: 221 [2023-11-19 05:22:04,166 INFO L226 Difference]: Without dead ends: 122 [2023-11-19 05:22:04,168 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 128 GetRequests, 118 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2023-11-19 05:22:04,169 INFO L413 NwaCegarLoop]: 131 mSDtfsCounter, 49 mSDsluCounter, 517 mSDsCounter, 0 mSdLazyCounter, 49 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 49 SdHoareTripleChecker+Valid, 648 SdHoareTripleChecker+Invalid, 52 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 49 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-19 05:22:04,170 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [49 Valid, 648 Invalid, 52 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 49 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-19 05:22:04,171 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 122 states. [2023-11-19 05:22:04,181 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 122 to 104. [2023-11-19 05:22:04,182 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 104 states, 88 states have (on average 1.3409090909090908) internal successors, (118), 88 states have internal predecessors, (118), 14 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2023-11-19 05:22:04,183 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 104 states and 146 transitions. [2023-11-19 05:22:04,184 INFO L78 Accepts]: Start accepts. Automaton has 104 states and 146 transitions. Word has length 123 [2023-11-19 05:22:04,185 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 05:22:04,185 INFO L495 AbstractCegarLoop]: Abstraction has 104 states and 146 transitions. [2023-11-19 05:22:04,185 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.333333333333334) internal successors, (56), 6 states have internal predecessors, (56), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2023-11-19 05:22:04,185 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 146 transitions. [2023-11-19 05:22:04,188 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2023-11-19 05:22:04,188 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 05:22:04,189 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 05:22:04,203 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b96d8ff-eff9-482e-b28c-5706094d74b0/bin/utaipan-verify-t7M7D8N6sZ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2023-11-19 05:22:04,401 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b96d8ff-eff9-482e-b28c-5706094d74b0/bin/utaipan-verify-t7M7D8N6sZ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-19 05:22:04,401 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 05:22:04,402 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 05:22:04,402 INFO L85 PathProgramCache]: Analyzing trace with hash -1270992813, now seen corresponding path program 1 times [2023-11-19 05:22:04,403 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-19 05:22:04,403 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [613314159] [2023-11-19 05:22:04,403 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:22:04,403 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-19 05:22:04,404 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b96d8ff-eff9-482e-b28c-5706094d74b0/bin/utaipan-verify-t7M7D8N6sZ/mathsat [2023-11-19 05:22:04,405 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b96d8ff-eff9-482e-b28c-5706094d74b0/bin/utaipan-verify-t7M7D8N6sZ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-19 05:22:04,407 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b96d8ff-eff9-482e-b28c-5706094d74b0/bin/utaipan-verify-t7M7D8N6sZ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2023-11-19 05:22:04,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 05:22:04,922 INFO L262 TraceCheckSpWp]: Trace formula consists of 259 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-19 05:22:04,928 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 05:22:05,324 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 97 treesize of output 43 [2023-11-19 05:22:05,385 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 180 proven. 0 refuted. 0 times theorem prover too weak. 184 trivial. 0 not checked. [2023-11-19 05:22:05,386 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-19 05:22:05,386 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-19 05:22:05,387 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [613314159] [2023-11-19 05:22:05,387 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [613314159] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 05:22:05,388 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 05:22:05,388 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-19 05:22:05,389 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1573010437] [2023-11-19 05:22:05,390 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 05:22:05,392 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-19 05:22:05,392 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-19 05:22:05,393 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-19 05:22:05,393 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2023-11-19 05:22:05,394 INFO L87 Difference]: Start difference. First operand 104 states and 146 transitions. Second operand has 6 states, 6 states have (on average 9.833333333333334) internal successors, (59), 5 states have internal predecessors, (59), 2 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2023-11-19 05:22:07,134 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.07s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-19 05:22:09,223 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 05:22:09,224 INFO L93 Difference]: Finished difference Result 211 states and 298 transitions. [2023-11-19 05:22:09,224 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-11-19 05:22:09,225 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.833333333333334) internal successors, (59), 5 states have internal predecessors, (59), 2 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 123 [2023-11-19 05:22:09,225 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 05:22:09,226 INFO L225 Difference]: With dead ends: 211 [2023-11-19 05:22:09,226 INFO L226 Difference]: Without dead ends: 110 [2023-11-19 05:22:09,227 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 126 GetRequests, 118 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 05:22:09,228 INFO L413 NwaCegarLoop]: 118 mSDtfsCounter, 112 mSDsluCounter, 274 mSDsCounter, 0 mSdLazyCounter, 152 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 112 SdHoareTripleChecker+Valid, 392 SdHoareTripleChecker+Invalid, 157 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 152 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.7s IncrementalHoareTripleChecker+Time [2023-11-19 05:22:09,228 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [112 Valid, 392 Invalid, 157 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 152 Invalid, 0 Unknown, 0 Unchecked, 3.7s Time] [2023-11-19 05:22:09,229 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 110 states. [2023-11-19 05:22:09,237 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 110 to 104. [2023-11-19 05:22:09,237 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 104 states, 88 states have (on average 1.3295454545454546) internal successors, (117), 88 states have internal predecessors, (117), 14 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2023-11-19 05:22:09,239 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 104 states and 145 transitions. [2023-11-19 05:22:09,239 INFO L78 Accepts]: Start accepts. Automaton has 104 states and 145 transitions. Word has length 123 [2023-11-19 05:22:09,240 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 05:22:09,240 INFO L495 AbstractCegarLoop]: Abstraction has 104 states and 145 transitions. [2023-11-19 05:22:09,240 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.833333333333334) internal successors, (59), 5 states have internal predecessors, (59), 2 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2023-11-19 05:22:09,240 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 145 transitions. [2023-11-19 05:22:09,243 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2023-11-19 05:22:09,243 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 05:22:09,243 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 05:22:09,254 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b96d8ff-eff9-482e-b28c-5706094d74b0/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 05:22:09,454 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b96d8ff-eff9-482e-b28c-5706094d74b0/bin/utaipan-verify-t7M7D8N6sZ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-19 05:22:09,454 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 05:22:09,454 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 05:22:09,455 INFO L85 PathProgramCache]: Analyzing trace with hash 1971717145, now seen corresponding path program 1 times [2023-11-19 05:22:09,455 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-19 05:22:09,455 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [943742821] [2023-11-19 05:22:09,455 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:22:09,456 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-19 05:22:09,456 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b96d8ff-eff9-482e-b28c-5706094d74b0/bin/utaipan-verify-t7M7D8N6sZ/mathsat [2023-11-19 05:22:09,457 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b96d8ff-eff9-482e-b28c-5706094d74b0/bin/utaipan-verify-t7M7D8N6sZ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-19 05:22:09,459 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b96d8ff-eff9-482e-b28c-5706094d74b0/bin/utaipan-verify-t7M7D8N6sZ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2023-11-19 05:22:09,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 05:22:09,869 INFO L262 TraceCheckSpWp]: Trace formula consists of 265 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-19 05:22:09,875 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 05:22:10,254 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 05:22:10,322 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 160 proven. 0 refuted. 0 times theorem prover too weak. 204 trivial. 0 not checked. [2023-11-19 05:22:10,322 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-19 05:22:10,322 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-19 05:22:10,323 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [943742821] [2023-11-19 05:22:10,323 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [943742821] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 05:22:10,323 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 05:22:10,323 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-19 05:22:10,324 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1166235534] [2023-11-19 05:22:10,324 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 05:22:10,325 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-19 05:22:10,325 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-19 05:22:10,326 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-19 05:22:10,326 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2023-11-19 05:22:10,326 INFO L87 Difference]: Start difference. First operand 104 states and 145 transitions. Second operand has 6 states, 6 states have (on average 10.166666666666666) internal successors, (61), 5 states have internal predecessors, (61), 2 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2023-11-19 05:22:13,731 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 05:22:13,732 INFO L93 Difference]: Finished difference Result 209 states and 293 transitions. [2023-11-19 05:22:13,733 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-11-19 05:22:13,733 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 10.166666666666666) internal successors, (61), 5 states have internal predecessors, (61), 2 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 125 [2023-11-19 05:22:13,734 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 05:22:13,735 INFO L225 Difference]: With dead ends: 209 [2023-11-19 05:22:13,735 INFO L226 Difference]: Without dead ends: 108 [2023-11-19 05:22:13,735 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 128 GetRequests, 120 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=35, Invalid=55, Unknown=0, NotChecked=0, Total=90 [2023-11-19 05:22:13,737 INFO L413 NwaCegarLoop]: 115 mSDtfsCounter, 110 mSDsluCounter, 268 mSDsCounter, 0 mSdLazyCounter, 153 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 110 SdHoareTripleChecker+Valid, 383 SdHoareTripleChecker+Invalid, 158 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 153 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.3s IncrementalHoareTripleChecker+Time [2023-11-19 05:22:13,743 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [110 Valid, 383 Invalid, 158 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 153 Invalid, 0 Unknown, 0 Unchecked, 3.3s Time] [2023-11-19 05:22:13,744 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 108 states. [2023-11-19 05:22:13,758 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 108 to 102. [2023-11-19 05:22:13,759 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 102 states, 86 states have (on average 1.3255813953488371) internal successors, (114), 86 states have internal predecessors, (114), 14 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2023-11-19 05:22:13,764 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 102 states and 142 transitions. [2023-11-19 05:22:13,765 INFO L78 Accepts]: Start accepts. Automaton has 102 states and 142 transitions. Word has length 125 [2023-11-19 05:22:13,765 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 05:22:13,765 INFO L495 AbstractCegarLoop]: Abstraction has 102 states and 142 transitions. [2023-11-19 05:22:13,766 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.166666666666666) internal successors, (61), 5 states have internal predecessors, (61), 2 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2023-11-19 05:22:13,766 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 142 transitions. [2023-11-19 05:22:13,768 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2023-11-19 05:22:13,768 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 05:22:13,768 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 05:22:13,786 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b96d8ff-eff9-482e-b28c-5706094d74b0/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)] Forceful destruction successful, exit code 0 [2023-11-19 05:22:13,982 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b96d8ff-eff9-482e-b28c-5706094d74b0/bin/utaipan-verify-t7M7D8N6sZ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-19 05:22:13,983 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 05:22:13,983 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 05:22:13,984 INFO L85 PathProgramCache]: Analyzing trace with hash -864907951, now seen corresponding path program 1 times [2023-11-19 05:22:13,984 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-19 05:22:13,984 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1721416868] [2023-11-19 05:22:13,985 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:22:13,985 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-19 05:22:13,985 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b96d8ff-eff9-482e-b28c-5706094d74b0/bin/utaipan-verify-t7M7D8N6sZ/mathsat [2023-11-19 05:22:13,986 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b96d8ff-eff9-482e-b28c-5706094d74b0/bin/utaipan-verify-t7M7D8N6sZ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-19 05:22:13,996 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b96d8ff-eff9-482e-b28c-5706094d74b0/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 05:22:14,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 05:22:14,519 INFO L262 TraceCheckSpWp]: Trace formula consists of 269 conjuncts, 10 conjunts are in the unsatisfiable core [2023-11-19 05:22:14,525 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 05:22:14,960 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 94 treesize of output 40 [2023-11-19 05:22:15,081 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 132 proven. 40 refuted. 0 times theorem prover too weak. 192 trivial. 0 not checked. [2023-11-19 05:22:15,087 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-19 05:22:15,468 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 58 treesize of output 22 [2023-11-19 05:22:15,510 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 30 proven. 9 refuted. 0 times theorem prover too weak. 325 trivial. 0 not checked. [2023-11-19 05:22:15,510 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-19 05:22:15,511 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1721416868] [2023-11-19 05:22:15,511 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1721416868] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-19 05:22:15,511 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1003398758] [2023-11-19 05:22:15,511 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:22:15,512 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-19 05:22:15,512 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b96d8ff-eff9-482e-b28c-5706094d74b0/bin/utaipan-verify-t7M7D8N6sZ/cvc4 [2023-11-19 05:22:15,518 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b96d8ff-eff9-482e-b28c-5706094d74b0/bin/utaipan-verify-t7M7D8N6sZ/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-19 05:22:15,546 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b96d8ff-eff9-482e-b28c-5706094d74b0/bin/utaipan-verify-t7M7D8N6sZ/cvc4 --incremental --print-success --lang smt (9)] Waiting until timeout for monitored process [2023-11-19 05:22:16,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 05:22:16,935 INFO L262 TraceCheckSpWp]: Trace formula consists of 269 conjuncts, 16 conjunts are in the unsatisfiable core [2023-11-19 05:22:16,941 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 05:22:16,954 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 9 treesize of output 3 [2023-11-19 05:22:17,496 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 123 treesize of output 51 [2023-11-19 05:22:17,528 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 132 proven. 40 refuted. 0 times theorem prover too weak. 192 trivial. 0 not checked. [2023-11-19 05:22:17,528 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-19 05:22:18,053 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 88 treesize of output 34 [2023-11-19 05:22:18,091 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 30 proven. 9 refuted. 0 times theorem prover too weak. 325 trivial. 0 not checked. [2023-11-19 05:22:18,091 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1003398758] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-19 05:22:18,091 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [113135376] [2023-11-19 05:22:18,091 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:22:18,092 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 05:22:18,092 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b96d8ff-eff9-482e-b28c-5706094d74b0/bin/utaipan-verify-t7M7D8N6sZ/z3 [2023-11-19 05:22:18,098 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b96d8ff-eff9-482e-b28c-5706094d74b0/bin/utaipan-verify-t7M7D8N6sZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-19 05:22:18,100 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b96d8ff-eff9-482e-b28c-5706094d74b0/bin/utaipan-verify-t7M7D8N6sZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2023-11-19 05:22:18,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 05:22:18,384 INFO L262 TraceCheckSpWp]: Trace formula consists of 269 conjuncts, 41 conjunts are in the unsatisfiable core [2023-11-19 05:22:18,394 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 05:22:19,102 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 42 treesize of output 20 [2023-11-19 05:22:19,211 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 42 treesize of output 20 [2023-11-19 05:22:19,343 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 42 treesize of output 20 [2023-11-19 05:22:19,460 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 42 treesize of output 20 [2023-11-19 05:22:19,581 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 42 treesize of output 20 [2023-11-19 05:22:19,750 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-19 05:22:19,751 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 66 treesize of output 40 [2023-11-19 05:22:19,930 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-19 05:22:19,931 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 59 treesize of output 43 [2023-11-19 05:22:19,992 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-19 05:22:19,993 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 59 treesize of output 43 [2023-11-19 05:22:20,051 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-19 05:22:20,052 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 59 treesize of output 52 [2023-11-19 05:22:20,307 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-19 05:22:20,308 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 99 treesize of output 45 [2023-11-19 05:22:20,488 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 181 proven. 69 refuted. 0 times theorem prover too weak. 114 trivial. 0 not checked. [2023-11-19 05:22:20,488 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-19 05:22:21,117 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2023-11-19 05:22:21,117 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [113135376] provided 1 perfect and 1 imperfect interpolant sequences [2023-11-19 05:22:21,117 INFO L185 FreeRefinementEngine]: Found 1 perfect and 5 imperfect interpolant sequences. [2023-11-19 05:22:21,118 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [9, 8, 10, 9, 14] total 30 [2023-11-19 05:22:21,118 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [381364859] [2023-11-19 05:22:21,118 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 05:22:21,119 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-19 05:22:21,119 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-19 05:22:21,120 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-19 05:22:21,121 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=97, Invalid=773, Unknown=0, NotChecked=0, Total=870 [2023-11-19 05:22:21,121 INFO L87 Difference]: Start difference. First operand 102 states and 142 transitions. Second operand has 7 states, 7 states have (on average 8.571428571428571) internal successors, (60), 7 states have internal predecessors, (60), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2023-11-19 05:22:26,886 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 05:22:26,887 INFO L93 Difference]: Finished difference Result 274 states and 378 transitions. [2023-11-19 05:22:26,888 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-11-19 05:22:26,888 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 8.571428571428571) internal successors, (60), 7 states have internal predecessors, (60), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) Word has length 127 [2023-11-19 05:22:26,889 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 05:22:26,891 INFO L225 Difference]: With dead ends: 274 [2023-11-19 05:22:26,891 INFO L226 Difference]: Without dead ends: 175 [2023-11-19 05:22:26,893 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 760 GetRequests, 726 SyntacticMatches, 2 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 257 ImplicationChecksByTransitivity, 2.4s TimeCoverageRelationStatistics Valid=116, Invalid=1006, Unknown=0, NotChecked=0, Total=1122 [2023-11-19 05:22:26,894 INFO L413 NwaCegarLoop]: 137 mSDtfsCounter, 107 mSDsluCounter, 599 mSDsCounter, 0 mSdLazyCounter, 204 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 107 SdHoareTripleChecker+Valid, 736 SdHoareTripleChecker+Invalid, 210 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 204 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.5s IncrementalHoareTripleChecker+Time [2023-11-19 05:22:26,894 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [107 Valid, 736 Invalid, 210 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 204 Invalid, 0 Unknown, 0 Unchecked, 5.5s Time] [2023-11-19 05:22:26,895 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 175 states. [2023-11-19 05:22:26,909 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 175 to 153. [2023-11-19 05:22:26,910 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 153 states, 130 states have (on average 1.3076923076923077) internal successors, (170), 131 states have internal predecessors, (170), 20 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (20), 19 states have call predecessors, (20), 20 states have call successors, (20) [2023-11-19 05:22:26,912 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 153 states and 210 transitions. [2023-11-19 05:22:26,912 INFO L78 Accepts]: Start accepts. Automaton has 153 states and 210 transitions. Word has length 127 [2023-11-19 05:22:26,913 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 05:22:26,913 INFO L495 AbstractCegarLoop]: Abstraction has 153 states and 210 transitions. [2023-11-19 05:22:26,913 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 8.571428571428571) internal successors, (60), 7 states have internal predecessors, (60), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2023-11-19 05:22:26,913 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 210 transitions. [2023-11-19 05:22:26,915 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2023-11-19 05:22:26,915 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 05:22:26,916 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 05:22:26,938 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b96d8ff-eff9-482e-b28c-5706094d74b0/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 05:22:27,146 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b96d8ff-eff9-482e-b28c-5706094d74b0/bin/utaipan-verify-t7M7D8N6sZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2023-11-19 05:22:27,333 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b96d8ff-eff9-482e-b28c-5706094d74b0/bin/utaipan-verify-t7M7D8N6sZ/cvc4 --incremental --print-success --lang smt (9)] Ended with exit code 0 [2023-11-19 05:22:27,527 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b96d8ff-eff9-482e-b28c-5706094d74b0/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 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b96d8ff-eff9-482e-b28c-5706094d74b0/bin/utaipan-verify-t7M7D8N6sZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true,9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b96d8ff-eff9-482e-b28c-5706094d74b0/bin/utaipan-verify-t7M7D8N6sZ/cvc4 --incremental --print-success --lang smt [2023-11-19 05:22:27,528 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 05:22:27,528 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 05:22:27,528 INFO L85 PathProgramCache]: Analyzing trace with hash -641535188, now seen corresponding path program 1 times [2023-11-19 05:22:27,529 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-19 05:22:27,529 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [868927953] [2023-11-19 05:22:27,529 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:22:27,529 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-19 05:22:27,529 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b96d8ff-eff9-482e-b28c-5706094d74b0/bin/utaipan-verify-t7M7D8N6sZ/mathsat [2023-11-19 05:22:27,530 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b96d8ff-eff9-482e-b28c-5706094d74b0/bin/utaipan-verify-t7M7D8N6sZ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-19 05:22:27,532 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b96d8ff-eff9-482e-b28c-5706094d74b0/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 05:22:27,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 05:22:27,991 INFO L262 TraceCheckSpWp]: Trace formula consists of 272 conjuncts, 10 conjunts are in the unsatisfiable core [2023-11-19 05:22:27,997 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 05:22:28,387 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 94 treesize of output 40 [2023-11-19 05:22:28,503 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 132 proven. 40 refuted. 0 times theorem prover too weak. 192 trivial. 0 not checked. [2023-11-19 05:22:28,503 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-19 05:22:28,833 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 58 treesize of output 22 [2023-11-19 05:22:28,868 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 30 proven. 9 refuted. 0 times theorem prover too weak. 325 trivial. 0 not checked. [2023-11-19 05:22:28,868 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-19 05:22:28,868 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [868927953] [2023-11-19 05:22:28,869 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [868927953] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-19 05:22:28,869 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1188878271] [2023-11-19 05:22:28,869 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:22:28,869 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-19 05:22:28,869 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b96d8ff-eff9-482e-b28c-5706094d74b0/bin/utaipan-verify-t7M7D8N6sZ/cvc4 [2023-11-19 05:22:28,871 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b96d8ff-eff9-482e-b28c-5706094d74b0/bin/utaipan-verify-t7M7D8N6sZ/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-19 05:22:28,902 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b96d8ff-eff9-482e-b28c-5706094d74b0/bin/utaipan-verify-t7M7D8N6sZ/cvc4 --incremental --print-success --lang smt (12)] Waiting until timeout for monitored process [2023-11-19 05:22:30,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 05:22:30,183 INFO L262 TraceCheckSpWp]: Trace formula consists of 272 conjuncts, 16 conjunts are in the unsatisfiable core [2023-11-19 05:22:30,187 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 05:22:30,198 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 9 treesize of output 3 [2023-11-19 05:22:30,748 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 123 treesize of output 51 [2023-11-19 05:22:30,810 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 132 proven. 40 refuted. 0 times theorem prover too weak. 192 trivial. 0 not checked. [2023-11-19 05:22:30,810 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-19 05:22:31,301 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 88 treesize of output 34 [2023-11-19 05:22:31,342 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 30 proven. 9 refuted. 0 times theorem prover too weak. 325 trivial. 0 not checked. [2023-11-19 05:22:31,343 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1188878271] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-19 05:22:31,343 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1394064140] [2023-11-19 05:22:31,343 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:22:31,344 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 05:22:31,344 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b96d8ff-eff9-482e-b28c-5706094d74b0/bin/utaipan-verify-t7M7D8N6sZ/z3 [2023-11-19 05:22:31,345 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b96d8ff-eff9-482e-b28c-5706094d74b0/bin/utaipan-verify-t7M7D8N6sZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-19 05:22:31,370 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b96d8ff-eff9-482e-b28c-5706094d74b0/bin/utaipan-verify-t7M7D8N6sZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2023-11-19 05:22:31,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 05:22:31,625 INFO L262 TraceCheckSpWp]: Trace formula consists of 272 conjuncts, 31 conjunts are in the unsatisfiable core [2023-11-19 05:22:31,632 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 05:22:31,809 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 05:22:32,096 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-19 05:22:32,097 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 36 treesize of output 38 [2023-11-19 05:22:32,502 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-19 05:22:32,503 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 51 treesize of output 41 [2023-11-19 05:22:32,774 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-19 05:22:32,775 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 51 treesize of output 41 [2023-11-19 05:22:32,977 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-19 05:22:32,978 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 51 treesize of output 41 [2023-11-19 05:22:33,220 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-19 05:22:33,221 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 51 treesize of output 41 [2023-11-19 05:22:33,482 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-19 05:22:33,482 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 51 treesize of output 41 [2023-11-19 05:22:33,666 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-19 05:22:33,667 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 46 treesize of output 51 [2023-11-19 05:22:34,174 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-19 05:22:34,175 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 85 treesize of output 65 [2023-11-19 05:22:34,426 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-19 05:22:34,427 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 73 treesize of output 69 [2023-11-19 05:22:34,553 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-19 05:22:34,554 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 73 treesize of output 69 [2023-11-19 05:22:34,657 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-19 05:22:34,657 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 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 39 [2023-11-19 05:22:34,748 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 207 proven. 36 refuted. 0 times theorem prover too weak. 121 trivial. 0 not checked. [2023-11-19 05:22:34,748 INFO L327 TraceCheckSpWp]: Computing backward predicates...