./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-37.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_b83630f9-9771-4b88-86a7-ad6852fa1a7b/bin/utaipan-verify-t7M7D8N6sZ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b83630f9-9771-4b88-86a7-ad6852fa1a7b/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_b83630f9-9771-4b88-86a7-ad6852fa1a7b/bin/utaipan-verify-t7M7D8N6sZ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b83630f9-9771-4b88-86a7-ad6852fa1a7b/bin/utaipan-verify-t7M7D8N6sZ/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-37.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b83630f9-9771-4b88-86a7-ad6852fa1a7b/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_b83630f9-9771-4b88-86a7-ad6852fa1a7b/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 e1208277e71e1c3dcb7bf16b04051e4f527abbe326e9bfc724844bd2d70dc86a --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 04:46:24,301 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 04:46:24,404 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b83630f9-9771-4b88-86a7-ad6852fa1a7b/bin/utaipan-verify-t7M7D8N6sZ/config/svcomp-Reach-32bit-Taipan_Default.epf [2023-11-19 04:46:24,409 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 04:46:24,410 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 04:46:24,436 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 04:46:24,437 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 04:46:24,438 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 04:46:24,439 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 04:46:24,440 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-19 04:46:24,440 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-19 04:46:24,441 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-19 04:46:24,442 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-19 04:46:24,442 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-19 04:46:24,443 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-19 04:46:24,444 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-19 04:46:24,445 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-19 04:46:24,445 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-19 04:46:24,446 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-19 04:46:24,447 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-19 04:46:24,448 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-19 04:46:24,448 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-19 04:46:24,449 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 04:46:24,450 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 04:46:24,451 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 04:46:24,451 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 04:46:24,452 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 04:46:24,453 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 04:46:24,453 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 04:46:24,454 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 04:46:24,454 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 04:46:24,455 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 04:46:24,455 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 04:46:24,456 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 04:46:24,456 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 04:46:24,457 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-19 04:46:24,457 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 04:46:24,458 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 04:46:24,459 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 04:46:24,459 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 04:46:24,460 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-19 04:46:24,460 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 04:46:24,461 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 04:46:24,461 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-19 04:46:24,461 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 04:46:24,462 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_b83630f9-9771-4b88-86a7-ad6852fa1a7b/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b83630f9-9771-4b88-86a7-ad6852fa1a7b/bin/utaipan-verify-t7M7D8N6sZ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e1208277e71e1c3dcb7bf16b04051e4f527abbe326e9bfc724844bd2d70dc86a [2023-11-19 04:46:24,811 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 04:46:24,851 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 04:46:24,855 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 04:46:24,857 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 04:46:24,858 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 04:46:24,861 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b83630f9-9771-4b88-86a7-ad6852fa1a7b/bin/utaipan-verify-t7M7D8N6sZ/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-37.i [2023-11-19 04:46:28,183 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 04:46:28,440 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 04:46:28,442 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b83630f9-9771-4b88-86a7-ad6852fa1a7b/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-37.i [2023-11-19 04:46:28,453 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b83630f9-9771-4b88-86a7-ad6852fa1a7b/bin/utaipan-verify-t7M7D8N6sZ/data/ef3837138/9f74a51a5c65474c90b0e447a7a11baf/FLAG3ad37ed3c [2023-11-19 04:46:28,473 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b83630f9-9771-4b88-86a7-ad6852fa1a7b/bin/utaipan-verify-t7M7D8N6sZ/data/ef3837138/9f74a51a5c65474c90b0e447a7a11baf [2023-11-19 04:46:28,481 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 04:46:28,485 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 04:46:28,488 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 04:46:28,489 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 04:46:28,495 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 04:46:28,496 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:46:28" (1/1) ... [2023-11-19 04:46:28,497 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@74fedf5d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:46:28, skipping insertion in model container [2023-11-19 04:46:28,498 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:46:28" (1/1) ... [2023-11-19 04:46:28,540 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 04:46:28,768 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_b83630f9-9771-4b88-86a7-ad6852fa1a7b/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-37.i[916,929] [2023-11-19 04:46:28,875 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 04:46:28,890 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 04:46:28,903 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_b83630f9-9771-4b88-86a7-ad6852fa1a7b/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-37.i[916,929] [2023-11-19 04:46:28,936 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 04:46:28,963 INFO L206 MainTranslator]: Completed translation [2023-11-19 04:46:28,963 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:46:28 WrapperNode [2023-11-19 04:46:28,964 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 04:46:28,965 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 04:46:28,965 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 04:46:28,965 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 04:46:28,974 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:46:28" (1/1) ... [2023-11-19 04:46:29,001 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:46:28" (1/1) ... [2023-11-19 04:46:29,053 INFO L138 Inliner]: procedures = 29, calls = 151, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 418 [2023-11-19 04:46:29,053 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 04:46:29,054 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 04:46:29,054 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 04:46:29,054 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 04:46:29,068 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:46:28" (1/1) ... [2023-11-19 04:46:29,068 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:46:28" (1/1) ... [2023-11-19 04:46:29,079 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:46:28" (1/1) ... [2023-11-19 04:46:29,080 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:46:28" (1/1) ... [2023-11-19 04:46:29,137 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:46:28" (1/1) ... [2023-11-19 04:46:29,156 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:46:28" (1/1) ... [2023-11-19 04:46:29,160 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:46:28" (1/1) ... [2023-11-19 04:46:29,164 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:46:28" (1/1) ... [2023-11-19 04:46:29,176 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 04:46:29,177 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 04:46:29,177 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 04:46:29,177 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 04:46:29,178 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:46:28" (1/1) ... [2023-11-19 04:46:29,190 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 04:46:29,204 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b83630f9-9771-4b88-86a7-ad6852fa1a7b/bin/utaipan-verify-t7M7D8N6sZ/z3 [2023-11-19 04:46:29,218 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b83630f9-9771-4b88-86a7-ad6852fa1a7b/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-19 04:46:29,244 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b83630f9-9771-4b88-86a7-ad6852fa1a7b/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-19 04:46:29,261 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 04:46:29,261 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2023-11-19 04:46:29,262 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-19 04:46:29,262 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2023-11-19 04:46:29,262 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-19 04:46:29,262 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real [2023-11-19 04:46:29,262 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-19 04:46:29,262 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-19 04:46:29,263 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 04:46:29,263 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 04:46:29,263 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 04:46:29,374 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 04:46:29,377 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 04:46:30,016 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 04:46:31,018 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 04:46:31,018 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-19 04:46:31,023 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:46:31 BoogieIcfgContainer [2023-11-19 04:46:31,023 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 04:46:31,026 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-19 04:46:31,026 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-19 04:46:31,030 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-19 04:46:31,030 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 04:46:28" (1/3) ... [2023-11-19 04:46:31,031 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@15531542 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 04:46:31, skipping insertion in model container [2023-11-19 04:46:31,031 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:46:28" (2/3) ... [2023-11-19 04:46:31,032 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@15531542 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 04:46:31, skipping insertion in model container [2023-11-19 04:46:31,032 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:46:31" (3/3) ... [2023-11-19 04:46:31,033 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_wrapper-s_file-37.i [2023-11-19 04:46:31,052 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-19 04:46:31,052 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-19 04:46:31,097 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-19 04:46:31,104 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;@4df53dee, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-19 04:46:31,105 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-19 04:46:31,109 INFO L276 IsEmpty]: Start isEmpty. Operand has 39 states, 21 states have (on average 1.1428571428571428) internal successors, (24), 22 states have internal predecessors, (24), 15 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2023-11-19 04:46:31,121 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2023-11-19 04:46:31,121 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 04:46:31,122 INFO L195 NwaCegarLoop]: trace histogram [15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 04:46:31,123 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 04:46:31,131 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 04:46:31,132 INFO L85 PathProgramCache]: Analyzing trace with hash -622602255, now seen corresponding path program 1 times [2023-11-19 04:46:31,142 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-19 04:46:31,143 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [631802278] [2023-11-19 04:46:31,143 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 04:46:31,144 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:46:31,456 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-19 04:46:31,457 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1963638473] [2023-11-19 04:46:31,457 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 04:46:31,458 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 04:46:31,458 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b83630f9-9771-4b88-86a7-ad6852fa1a7b/bin/utaipan-verify-t7M7D8N6sZ/z3 [2023-11-19 04:46:31,460 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b83630f9-9771-4b88-86a7-ad6852fa1a7b/bin/utaipan-verify-t7M7D8N6sZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-19 04:46:31,488 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b83630f9-9771-4b88-86a7-ad6852fa1a7b/bin/utaipan-verify-t7M7D8N6sZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-19 04:46:33,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 04:46:33,174 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 04:46:34,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 04:46:34,487 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2023-11-19 04:46:34,491 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-19 04:46:34,493 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-19 04:46:34,513 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b83630f9-9771-4b88-86a7-ad6852fa1a7b/bin/utaipan-verify-t7M7D8N6sZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2023-11-19 04:46:34,712 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b83630f9-9771-4b88-86a7-ad6852fa1a7b/bin/utaipan-verify-t7M7D8N6sZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 04:46:34,717 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-11-19 04:46:34,720 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-19 04:46:34,758 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem43 could not be translated [2023-11-19 04:46:34,760 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem43 could not be translated [2023-11-19 04:46:34,760 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem44 could not be translated [2023-11-19 04:46:34,761 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem44 could not be translated [2023-11-19 04:46:34,761 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem46 could not be translated [2023-11-19 04:46:34,762 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem46 could not be translated [2023-11-19 04:46:34,762 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem47 could not be translated [2023-11-19 04:46:34,763 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem47 could not be translated [2023-11-19 04:46:34,763 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem49 could not be translated [2023-11-19 04:46:34,763 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem49 could not be translated [2023-11-19 04:46:34,764 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem50 could not be translated [2023-11-19 04:46:34,764 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem50 could not be translated [2023-11-19 04:46:34,764 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem52 could not be translated [2023-11-19 04:46:34,765 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem52 could not be translated [2023-11-19 04:46:34,765 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem53 could not be translated [2023-11-19 04:46:34,766 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem53 could not be translated [2023-11-19 04:46:34,766 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem55 could not be translated [2023-11-19 04:46:34,766 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem55 could not be translated [2023-11-19 04:46:34,766 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem56 could not be translated [2023-11-19 04:46:34,767 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem56 could not be translated [2023-11-19 04:46:34,767 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem58 could not be translated [2023-11-19 04:46:34,767 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem58 could not be translated [2023-11-19 04:46:34,768 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem59 could not be translated [2023-11-19 04:46:34,768 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem59 could not be translated [2023-11-19 04:46:34,769 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem64 could not be translated [2023-11-19 04:46:34,769 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem61 could not be translated [2023-11-19 04:46:34,769 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem62 could not be translated [2023-11-19 04:46:34,769 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short66 could not be translated [2023-11-19 04:46:34,769 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short67 could not be translated [2023-11-19 04:46:34,770 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem65 could not be translated [2023-11-19 04:46:34,770 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short63 could not be translated [2023-11-19 04:46:34,770 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem64 could not be translated [2023-11-19 04:46:34,770 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem65 could not be translated [2023-11-19 04:46:34,771 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short66 could not be translated [2023-11-19 04:46:34,771 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem61 could not be translated [2023-11-19 04:46:34,771 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short67 could not be translated [2023-11-19 04:46:34,771 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem62 could not be translated [2023-11-19 04:46:34,772 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short63 could not be translated [2023-11-19 04:46:34,772 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem69 could not be translated [2023-11-19 04:46:34,772 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem69 could not be translated [2023-11-19 04:46:34,773 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem70 could not be translated [2023-11-19 04:46:34,773 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem70 could not be translated [2023-11-19 04:46:34,793 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.11 04:46:34 BoogieIcfgContainer [2023-11-19 04:46:34,793 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-19 04:46:34,794 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-19 04:46:34,794 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-19 04:46:34,795 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-19 04:46:34,795 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:46:31" (3/4) ... [2023-11-19 04:46:34,798 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-19 04:46:34,799 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-19 04:46:34,800 INFO L158 Benchmark]: Toolchain (without parser) took 6315.56ms. Allocated memory was 157.3MB in the beginning and 211.8MB in the end (delta: 54.5MB). Free memory was 105.4MB in the beginning and 90.2MB in the end (delta: 15.2MB). Peak memory consumption was 71.3MB. Max. memory is 16.1GB. [2023-11-19 04:46:34,801 INFO L158 Benchmark]: CDTParser took 1.27ms. Allocated memory is still 111.1MB. Free memory is still 65.1MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 04:46:34,802 INFO L158 Benchmark]: CACSL2BoogieTranslator took 475.58ms. Allocated memory is still 157.3MB. Free memory was 105.0MB in the beginning and 89.3MB in the end (delta: 15.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-11-19 04:46:34,803 INFO L158 Benchmark]: Boogie Procedure Inliner took 88.60ms. Allocated memory is still 157.3MB. Free memory was 89.3MB in the beginning and 85.1MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-19 04:46:34,803 INFO L158 Benchmark]: Boogie Preprocessor took 121.72ms. Allocated memory is still 157.3MB. Free memory was 85.1MB in the beginning and 81.8MB in the end (delta: 3.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 04:46:34,804 INFO L158 Benchmark]: RCFGBuilder took 1846.95ms. Allocated memory was 157.3MB in the beginning and 211.8MB in the end (delta: 54.5MB). Free memory was 81.8MB in the beginning and 162.5MB in the end (delta: -80.7MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2023-11-19 04:46:34,806 INFO L158 Benchmark]: TraceAbstraction took 3767.45ms. Allocated memory is still 211.8MB. Free memory was 161.5MB in the beginning and 90.2MB in the end (delta: 71.3MB). Peak memory consumption was 71.3MB. Max. memory is 16.1GB. [2023-11-19 04:46:34,807 INFO L158 Benchmark]: Witness Printer took 4.92ms. Allocated memory is still 211.8MB. Free memory is still 90.2MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 04:46:34,812 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.27ms. Allocated memory is still 111.1MB. Free memory is still 65.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 475.58ms. Allocated memory is still 157.3MB. Free memory was 105.0MB in the beginning and 89.3MB in the end (delta: 15.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 88.60ms. Allocated memory is still 157.3MB. Free memory was 89.3MB in the beginning and 85.1MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 121.72ms. Allocated memory is still 157.3MB. Free memory was 85.1MB in the beginning and 81.8MB in the end (delta: 3.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1846.95ms. Allocated memory was 157.3MB in the beginning and 211.8MB in the end (delta: 54.5MB). Free memory was 81.8MB in the beginning and 162.5MB in the end (delta: -80.7MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. * TraceAbstraction took 3767.45ms. Allocated memory is still 211.8MB. Free memory was 161.5MB in the beginning and 90.2MB in the end (delta: 71.3MB). Peak memory consumption was 71.3MB. Max. memory is 16.1GB. * Witness Printer took 4.92ms. Allocated memory is still 211.8MB. Free memory is still 90.2MB. 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~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~mem46 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem46 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem47 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem47 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem49 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem49 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem50 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem50 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem52 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem52 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem53 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem53 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem55 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem55 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem56 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem56 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem58 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem58 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem59 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem59 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem64 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem61 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem62 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short66 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short67 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem65 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short63 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem64 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem65 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short66 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem61 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short67 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem62 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short63 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem69 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem69 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem70 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem70 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 73, overapproximation of bitwiseOr at line 67. Possible FailurePath: [L38] unsigned char isInitial = 0; [L39-L54] struct WrapperStruct00 WrapperStruct00 = { 8, 59049, 100, 16, -25, 16, 25, -10, 0, 25.1, 2531521428, -128, 256, -16 }; [L113] isInitial = 1 [L114] FCALL initially() [L115] COND TRUE 1 [L116] FCALL updateLastVariables() [L117] CALL updateVariables() [L82] WrapperStruct00.var_1_2 = __VERIFIER_nondet_ushort() [L83] EXPR WrapperStruct00.var_1_2 VAL [WrapperStruct00={4:0}, isInitial=1] [L83] CALL assume_abort_if_not(WrapperStruct00.var_1_2 >= 32767) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L20] COND FALSE !(!cond) [L83] RET assume_abort_if_not(WrapperStruct00.var_1_2 >= 32767) VAL [WrapperStruct00={4:0}, isInitial=1] [L84] EXPR WrapperStruct00.var_1_2 VAL [WrapperStruct00={4:0}, isInitial=1] [L84] CALL assume_abort_if_not(WrapperStruct00.var_1_2 <= 65535) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L20] COND FALSE !(!cond) [L84] RET assume_abort_if_not(WrapperStruct00.var_1_2 <= 65535) VAL [WrapperStruct00={4:0}, isInitial=1] [L85] WrapperStruct00.var_1_3 = __VERIFIER_nondet_ushort() [L86] EXPR WrapperStruct00.var_1_3 VAL [WrapperStruct00={4:0}, isInitial=1] [L86] CALL assume_abort_if_not(WrapperStruct00.var_1_3 >= 0) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L20] COND FALSE !(!cond) [L86] RET assume_abort_if_not(WrapperStruct00.var_1_3 >= 0) VAL [WrapperStruct00={4:0}, isInitial=1] [L87] EXPR WrapperStruct00.var_1_3 VAL [WrapperStruct00={4:0}, isInitial=1] [L87] CALL assume_abort_if_not(WrapperStruct00.var_1_3 <= 32767) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L20] COND FALSE !(!cond) [L87] RET assume_abort_if_not(WrapperStruct00.var_1_3 <= 32767) VAL [WrapperStruct00={4:0}, isInitial=1] [L88] WrapperStruct00.var_1_6 = __VERIFIER_nondet_uchar() [L89] EXPR WrapperStruct00.var_1_6 VAL [WrapperStruct00={4:0}, isInitial=1] [L89] CALL assume_abort_if_not(WrapperStruct00.var_1_6 >= 0) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L20] COND FALSE !(!cond) [L89] RET assume_abort_if_not(WrapperStruct00.var_1_6 >= 0) VAL [WrapperStruct00={4:0}, isInitial=1] [L90] EXPR WrapperStruct00.var_1_6 VAL [WrapperStruct00={4:0}, isInitial=1] [L90] CALL assume_abort_if_not(WrapperStruct00.var_1_6 <= 254) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L20] COND FALSE !(!cond) [L90] RET assume_abort_if_not(WrapperStruct00.var_1_6 <= 254) VAL [WrapperStruct00={4:0}, isInitial=1] [L91] WrapperStruct00.var_1_8 = __VERIFIER_nondet_char() [L92] EXPR WrapperStruct00.var_1_8 VAL [WrapperStruct00={4:0}, isInitial=1] [L92] CALL assume_abort_if_not(WrapperStruct00.var_1_8 >= 0) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L20] COND FALSE !(!cond) [L92] RET assume_abort_if_not(WrapperStruct00.var_1_8 >= 0) VAL [WrapperStruct00={4:0}, isInitial=1] [L93] EXPR WrapperStruct00.var_1_8 VAL [WrapperStruct00={4:0}, isInitial=1] [L93] CALL assume_abort_if_not(WrapperStruct00.var_1_8 <= 63) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L20] COND FALSE !(!cond) [L93] RET assume_abort_if_not(WrapperStruct00.var_1_8 <= 63) VAL [WrapperStruct00={4:0}, isInitial=1] [L94] WrapperStruct00.var_1_9 = __VERIFIER_nondet_char() [L95] EXPR WrapperStruct00.var_1_9 VAL [WrapperStruct00={4:0}, isInitial=1] [L95] CALL assume_abort_if_not(WrapperStruct00.var_1_9 >= 0) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L20] COND FALSE !(!cond) [L95] RET assume_abort_if_not(WrapperStruct00.var_1_9 >= 0) VAL [WrapperStruct00={4:0}, isInitial=1] [L96] EXPR WrapperStruct00.var_1_9 VAL [WrapperStruct00={4:0}, isInitial=1] [L96] CALL assume_abort_if_not(WrapperStruct00.var_1_9 <= 31) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L20] COND FALSE !(!cond) [L96] RET assume_abort_if_not(WrapperStruct00.var_1_9 <= 31) VAL [WrapperStruct00={4:0}, isInitial=1] [L97] WrapperStruct00.var_1_10 = __VERIFIER_nondet_char() [L98] EXPR WrapperStruct00.var_1_10 VAL [WrapperStruct00={4:0}, isInitial=1] [L98] CALL assume_abort_if_not(WrapperStruct00.var_1_10 >= -63) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L20] COND FALSE !(!cond) [L98] RET assume_abort_if_not(WrapperStruct00.var_1_10 >= -63) VAL [WrapperStruct00={4:0}, isInitial=1] [L99] EXPR WrapperStruct00.var_1_10 VAL [WrapperStruct00={4:0}, isInitial=1] [L99] CALL assume_abort_if_not(WrapperStruct00.var_1_10 <= 63) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L20] COND FALSE !(!cond) [L99] RET assume_abort_if_not(WrapperStruct00.var_1_10 <= 63) VAL [WrapperStruct00={4:0}, isInitial=1] [L100] WrapperStruct00.var_1_12 = __VERIFIER_nondet_float() [L101] EXPR WrapperStruct00.var_1_12 [L101] EXPR WrapperStruct00.var_1_12 >= -922337.2036854776000e+13F && WrapperStruct00.var_1_12 <= -1.0e-20F [L101] EXPR WrapperStruct00.var_1_12 [L101] EXPR WrapperStruct00.var_1_12 >= -922337.2036854776000e+13F && WrapperStruct00.var_1_12 <= -1.0e-20F [L101] EXPR (WrapperStruct00.var_1_12 >= -922337.2036854776000e+13F && WrapperStruct00.var_1_12 <= -1.0e-20F) || (WrapperStruct00.var_1_12 <= 9223372.036854776000e+12F && WrapperStruct00.var_1_12 >= 1.0e-20F ) VAL [WrapperStruct00={4:0}, isInitial=1] [L101] CALL assume_abort_if_not((WrapperStruct00.var_1_12 >= -922337.2036854776000e+13F && WrapperStruct00.var_1_12 <= -1.0e-20F) || (WrapperStruct00.var_1_12 <= 9223372.036854776000e+12F && WrapperStruct00.var_1_12 >= 1.0e-20F )) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L20] COND FALSE !(!cond) [L101] RET assume_abort_if_not((WrapperStruct00.var_1_12 >= -922337.2036854776000e+13F && WrapperStruct00.var_1_12 <= -1.0e-20F) || (WrapperStruct00.var_1_12 <= 9223372.036854776000e+12F && WrapperStruct00.var_1_12 >= 1.0e-20F )) VAL [WrapperStruct00={4:0}, isInitial=1] [L102] WrapperStruct00.var_1_13 = __VERIFIER_nondet_ulong() [L103] EXPR WrapperStruct00.var_1_13 VAL [WrapperStruct00={4:0}, isInitial=1] [L103] CALL assume_abort_if_not(WrapperStruct00.var_1_13 >= 2147483647) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L20] COND FALSE !(!cond) [L103] RET assume_abort_if_not(WrapperStruct00.var_1_13 >= 2147483647) VAL [WrapperStruct00={4:0}, isInitial=1] [L104] EXPR WrapperStruct00.var_1_13 VAL [WrapperStruct00={4:0}, isInitial=1] [L104] CALL assume_abort_if_not(WrapperStruct00.var_1_13 <= 4294967295) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L20] COND FALSE !(!cond) [L104] RET assume_abort_if_not(WrapperStruct00.var_1_13 <= 4294967295) VAL [WrapperStruct00={4:0}, isInitial=1] [L117] RET updateVariables() [L118] CALL step() [L58] EXPR WrapperStruct00.var_1_8 [L58] WrapperStruct00.var_1_14 = WrapperStruct00.var_1_8 [L59] EXPR WrapperStruct00.var_1_14 [L59] WrapperStruct00.var_1_16 = WrapperStruct00.var_1_14 [L60] EXPR WrapperStruct00.var_1_14 [L60] EXPR ((WrapperStruct00.var_1_14) < 0 ) ? -(WrapperStruct00.var_1_14) : (WrapperStruct00.var_1_14) [L60] EXPR WrapperStruct00.var_1_14 [L60] EXPR ((WrapperStruct00.var_1_14) < 0 ) ? -(WrapperStruct00.var_1_14) : (WrapperStruct00.var_1_14) [L60] signed long int stepLocal_0 = (((WrapperStruct00.var_1_14) < 0 ) ? -(WrapperStruct00.var_1_14) : (WrapperStruct00.var_1_14)); [L61] EXPR WrapperStruct00.var_1_2 [L61] COND FALSE !(WrapperStruct00.var_1_2 <= stepLocal_0) [L64] EXPR WrapperStruct00.var_1_10 [L64] WrapperStruct00.var_1_7 = WrapperStruct00.var_1_10 [L66] EXPR WrapperStruct00.var_1_16 [L66] WrapperStruct00.var_1_15 = WrapperStruct00.var_1_16 [L67] EXPR WrapperStruct00.var_1_2 [L67] EXPR WrapperStruct00.var_1_3 [L67] EXPR WrapperStruct00.var_1_15 [L67] EXPR WrapperStruct00.var_1_16 [L67] EXPR (WrapperStruct00.var_1_2 - WrapperStruct00.var_1_3) ^ (WrapperStruct00.var_1_15 * WrapperStruct00.var_1_16) [L67] COND FALSE !(((WrapperStruct00.var_1_2 - WrapperStruct00.var_1_3) ^ (WrapperStruct00.var_1_15 * WrapperStruct00.var_1_16)) <= -64) [L70] EXPR WrapperStruct00.var_1_6 [L70] WrapperStruct00.var_1_1 = WrapperStruct00.var_1_6 [L72] EXPR WrapperStruct00.var_1_1 [L72] unsigned char stepLocal_1 = WrapperStruct00.var_1_1; [L73] EXPR WrapperStruct00.var_1_12 [L73] COND FALSE !(2.75f > WrapperStruct00.var_1_12) [L76] EXPR WrapperStruct00.var_1_13 [L76] EXPR WrapperStruct00.var_1_14 [L76] EXPR WrapperStruct00.var_1_8 [L76] EXPR ((WrapperStruct00.var_1_14) > (WrapperStruct00.var_1_8)) ? (WrapperStruct00.var_1_14) : (WrapperStruct00.var_1_8) [L76] EXPR WrapperStruct00.var_1_8 [L76] EXPR ((WrapperStruct00.var_1_14) > (WrapperStruct00.var_1_8)) ? (WrapperStruct00.var_1_14) : (WrapperStruct00.var_1_8) [L76] COND TRUE (WrapperStruct00.var_1_13 - ((((WrapperStruct00.var_1_14) > (WrapperStruct00.var_1_8)) ? (WrapperStruct00.var_1_14) : (WrapperStruct00.var_1_8)))) > stepLocal_1 [L77] EXPR WrapperStruct00.var_1_8 [L77] EXPR ((WrapperStruct00.var_1_8) < ((1 + 5))) ? (WrapperStruct00.var_1_8) : ((1 + 5)) [L77] EXPR WrapperStruct00.var_1_10 [L77] EXPR ((((((WrapperStruct00.var_1_8) < ((1 + 5))) ? (WrapperStruct00.var_1_8) : ((1 + 5))))) < (WrapperStruct00.var_1_10)) ? (((((WrapperStruct00.var_1_8) < ((1 + 5))) ? (WrapperStruct00.var_1_8) : ((1 + 5))))) : (WrapperStruct00.var_1_10) [L77] EXPR WrapperStruct00.var_1_10 [L77] EXPR ((((((WrapperStruct00.var_1_8) < ((1 + 5))) ? (WrapperStruct00.var_1_8) : ((1 + 5))))) < (WrapperStruct00.var_1_10)) ? (((((WrapperStruct00.var_1_8) < ((1 + 5))) ? (WrapperStruct00.var_1_8) : ((1 + 5))))) : (WrapperStruct00.var_1_10) [L77] WrapperStruct00.var_1_11 = ((((((((WrapperStruct00.var_1_8) < ((1 + 5))) ? (WrapperStruct00.var_1_8) : ((1 + 5))))) < (WrapperStruct00.var_1_10)) ? (((((WrapperStruct00.var_1_8) < ((1 + 5))) ? (WrapperStruct00.var_1_8) : ((1 + 5))))) : (WrapperStruct00.var_1_10))) [L118] RET step() [L119] CALL, EXPR property() [L109] EXPR WrapperStruct00.var_1_2 [L109] EXPR WrapperStruct00.var_1_3 [L109] EXPR WrapperStruct00.var_1_15 [L109] EXPR WrapperStruct00.var_1_16 [L109] EXPR (WrapperStruct00.var_1_2 - WrapperStruct00.var_1_3) ^ (WrapperStruct00.var_1_15 * WrapperStruct00.var_1_16) [L109] EXPR (((WrapperStruct00.var_1_2 - WrapperStruct00.var_1_3) ^ (WrapperStruct00.var_1_15 * WrapperStruct00.var_1_16)) <= -64) ? (WrapperStruct00.var_1_1 == ((unsigned char) WrapperStruct00.var_1_6)) : (WrapperStruct00.var_1_1 == ((unsigned char) WrapperStruct00.var_1_6)) [L109] EXPR WrapperStruct00.var_1_1 [L109] EXPR WrapperStruct00.var_1_6 [L109] EXPR (((WrapperStruct00.var_1_2 - WrapperStruct00.var_1_3) ^ (WrapperStruct00.var_1_15 * WrapperStruct00.var_1_16)) <= -64) ? (WrapperStruct00.var_1_1 == ((unsigned char) WrapperStruct00.var_1_6)) : (WrapperStruct00.var_1_1 == ((unsigned char) WrapperStruct00.var_1_6)) [L109] EXPR ((((WrapperStruct00.var_1_2 - WrapperStruct00.var_1_3) ^ (WrapperStruct00.var_1_15 * WrapperStruct00.var_1_16)) <= -64) ? (WrapperStruct00.var_1_1 == ((unsigned char) WrapperStruct00.var_1_6)) : (WrapperStruct00.var_1_1 == ((unsigned char) WrapperStruct00.var_1_6))) && ((WrapperStruct00.var_1_2 <= ((((WrapperStruct00.var_1_14) < 0 ) ? -(WrapperStruct00.var_1_14) : (WrapperStruct00.var_1_14)))) ? (WrapperStruct00.var_1_7 == ((signed char) ((WrapperStruct00.var_1_8 - (1 + WrapperStruct00.var_1_9)) + WrapperStruct00.var_1_10))) : (WrapperStruct00.var_1_7 == ((signed char) WrapperStruct00.var_1_10))) [L109] EXPR WrapperStruct00.var_1_2 [L109] EXPR WrapperStruct00.var_1_14 [L109] EXPR ((WrapperStruct00.var_1_14) < 0 ) ? -(WrapperStruct00.var_1_14) : (WrapperStruct00.var_1_14) [L109] EXPR WrapperStruct00.var_1_14 [L109] EXPR ((WrapperStruct00.var_1_14) < 0 ) ? -(WrapperStruct00.var_1_14) : (WrapperStruct00.var_1_14) [L109] EXPR (WrapperStruct00.var_1_2 <= ((((WrapperStruct00.var_1_14) < 0 ) ? -(WrapperStruct00.var_1_14) : (WrapperStruct00.var_1_14)))) ? (WrapperStruct00.var_1_7 == ((signed char) ((WrapperStruct00.var_1_8 - (1 + WrapperStruct00.var_1_9)) + WrapperStruct00.var_1_10))) : (WrapperStruct00.var_1_7 == ((signed char) WrapperStruct00.var_1_10)) [L109] EXPR WrapperStruct00.var_1_7 [L109] EXPR WrapperStruct00.var_1_10 [L109] EXPR (WrapperStruct00.var_1_2 <= ((((WrapperStruct00.var_1_14) < 0 ) ? -(WrapperStruct00.var_1_14) : (WrapperStruct00.var_1_14)))) ? (WrapperStruct00.var_1_7 == ((signed char) ((WrapperStruct00.var_1_8 - (1 + WrapperStruct00.var_1_9)) + WrapperStruct00.var_1_10))) : (WrapperStruct00.var_1_7 == ((signed char) WrapperStruct00.var_1_10)) [L109] EXPR ((((WrapperStruct00.var_1_2 - WrapperStruct00.var_1_3) ^ (WrapperStruct00.var_1_15 * WrapperStruct00.var_1_16)) <= -64) ? (WrapperStruct00.var_1_1 == ((unsigned char) WrapperStruct00.var_1_6)) : (WrapperStruct00.var_1_1 == ((unsigned char) WrapperStruct00.var_1_6))) && ((WrapperStruct00.var_1_2 <= ((((WrapperStruct00.var_1_14) < 0 ) ? -(WrapperStruct00.var_1_14) : (WrapperStruct00.var_1_14)))) ? (WrapperStruct00.var_1_7 == ((signed char) ((WrapperStruct00.var_1_8 - (1 + WrapperStruct00.var_1_9)) + WrapperStruct00.var_1_10))) : (WrapperStruct00.var_1_7 == ((signed char) WrapperStruct00.var_1_10))) [L109] EXPR (((((WrapperStruct00.var_1_2 - WrapperStruct00.var_1_3) ^ (WrapperStruct00.var_1_15 * WrapperStruct00.var_1_16)) <= -64) ? (WrapperStruct00.var_1_1 == ((unsigned char) WrapperStruct00.var_1_6)) : (WrapperStruct00.var_1_1 == ((unsigned char) WrapperStruct00.var_1_6))) && ((WrapperStruct00.var_1_2 <= ((((WrapperStruct00.var_1_14) < 0 ) ? -(WrapperStruct00.var_1_14) : (WrapperStruct00.var_1_14)))) ? (WrapperStruct00.var_1_7 == ((signed char) ((WrapperStruct00.var_1_8 - (1 + WrapperStruct00.var_1_9)) + WrapperStruct00.var_1_10))) : (WrapperStruct00.var_1_7 == ((signed char) WrapperStruct00.var_1_10)))) && ((2.75f > WrapperStruct00.var_1_12) ? (WrapperStruct00.var_1_11 == ((signed char) (WrapperStruct00.var_1_10 + WrapperStruct00.var_1_8))) : (((WrapperStruct00.var_1_13 - ((((WrapperStruct00.var_1_14) > (WrapperStruct00.var_1_8)) ? (WrapperStruct00.var_1_14) : (WrapperStruct00.var_1_8)))) > WrapperStruct00.var_1_1) ? (WrapperStruct00.var_1_11 == ((signed char) ((((((((WrapperStruct00.var_1_8) < ((1 + 5))) ? (WrapperStruct00.var_1_8) : ((1 + 5))))) < (WrapperStruct00.var_1_10)) ? (((((WrapperStruct00.var_1_8) < ((1 + 5))) ? (WrapperStruct00.var_1_8) : ((1 + 5))))) : (WrapperStruct00.var_1_10))))) : 1)) [L109] EXPR WrapperStruct00.var_1_12 [L109] EXPR (2.75f > WrapperStruct00.var_1_12) ? (WrapperStruct00.var_1_11 == ((signed char) (WrapperStruct00.var_1_10 + WrapperStruct00.var_1_8))) : (((WrapperStruct00.var_1_13 - ((((WrapperStruct00.var_1_14) > (WrapperStruct00.var_1_8)) ? (WrapperStruct00.var_1_14) : (WrapperStruct00.var_1_8)))) > WrapperStruct00.var_1_1) ? (WrapperStruct00.var_1_11 == ((signed char) ((((((((WrapperStruct00.var_1_8) < ((1 + 5))) ? (WrapperStruct00.var_1_8) : ((1 + 5))))) < (WrapperStruct00.var_1_10)) ? (((((WrapperStruct00.var_1_8) < ((1 + 5))) ? (WrapperStruct00.var_1_8) : ((1 + 5))))) : (WrapperStruct00.var_1_10))))) : 1) [L109] EXPR WrapperStruct00.var_1_11 [L109] EXPR WrapperStruct00.var_1_10 [L109] EXPR WrapperStruct00.var_1_8 [L109] EXPR (2.75f > WrapperStruct00.var_1_12) ? (WrapperStruct00.var_1_11 == ((signed char) (WrapperStruct00.var_1_10 + WrapperStruct00.var_1_8))) : (((WrapperStruct00.var_1_13 - ((((WrapperStruct00.var_1_14) > (WrapperStruct00.var_1_8)) ? (WrapperStruct00.var_1_14) : (WrapperStruct00.var_1_8)))) > WrapperStruct00.var_1_1) ? (WrapperStruct00.var_1_11 == ((signed char) ((((((((WrapperStruct00.var_1_8) < ((1 + 5))) ? (WrapperStruct00.var_1_8) : ((1 + 5))))) < (WrapperStruct00.var_1_10)) ? (((((WrapperStruct00.var_1_8) < ((1 + 5))) ? (WrapperStruct00.var_1_8) : ((1 + 5))))) : (WrapperStruct00.var_1_10))))) : 1) [L109] EXPR (((((WrapperStruct00.var_1_2 - WrapperStruct00.var_1_3) ^ (WrapperStruct00.var_1_15 * WrapperStruct00.var_1_16)) <= -64) ? (WrapperStruct00.var_1_1 == ((unsigned char) WrapperStruct00.var_1_6)) : (WrapperStruct00.var_1_1 == ((unsigned char) WrapperStruct00.var_1_6))) && ((WrapperStruct00.var_1_2 <= ((((WrapperStruct00.var_1_14) < 0 ) ? -(WrapperStruct00.var_1_14) : (WrapperStruct00.var_1_14)))) ? (WrapperStruct00.var_1_7 == ((signed char) ((WrapperStruct00.var_1_8 - (1 + WrapperStruct00.var_1_9)) + WrapperStruct00.var_1_10))) : (WrapperStruct00.var_1_7 == ((signed char) WrapperStruct00.var_1_10)))) && ((2.75f > WrapperStruct00.var_1_12) ? (WrapperStruct00.var_1_11 == ((signed char) (WrapperStruct00.var_1_10 + WrapperStruct00.var_1_8))) : (((WrapperStruct00.var_1_13 - ((((WrapperStruct00.var_1_14) > (WrapperStruct00.var_1_8)) ? (WrapperStruct00.var_1_14) : (WrapperStruct00.var_1_8)))) > WrapperStruct00.var_1_1) ? (WrapperStruct00.var_1_11 == ((signed char) ((((((((WrapperStruct00.var_1_8) < ((1 + 5))) ? (WrapperStruct00.var_1_8) : ((1 + 5))))) < (WrapperStruct00.var_1_10)) ? (((((WrapperStruct00.var_1_8) < ((1 + 5))) ? (WrapperStruct00.var_1_8) : ((1 + 5))))) : (WrapperStruct00.var_1_10))))) : 1)) [L109] EXPR ((((((WrapperStruct00.var_1_2 - WrapperStruct00.var_1_3) ^ (WrapperStruct00.var_1_15 * WrapperStruct00.var_1_16)) <= -64) ? (WrapperStruct00.var_1_1 == ((unsigned char) WrapperStruct00.var_1_6)) : (WrapperStruct00.var_1_1 == ((unsigned char) WrapperStruct00.var_1_6))) && ((WrapperStruct00.var_1_2 <= ((((WrapperStruct00.var_1_14) < 0 ) ? -(WrapperStruct00.var_1_14) : (WrapperStruct00.var_1_14)))) ? (WrapperStruct00.var_1_7 == ((signed char) ((WrapperStruct00.var_1_8 - (1 + WrapperStruct00.var_1_9)) + WrapperStruct00.var_1_10))) : (WrapperStruct00.var_1_7 == ((signed char) WrapperStruct00.var_1_10)))) && ((2.75f > WrapperStruct00.var_1_12) ? (WrapperStruct00.var_1_11 == ((signed char) (WrapperStruct00.var_1_10 + WrapperStruct00.var_1_8))) : (((WrapperStruct00.var_1_13 - ((((WrapperStruct00.var_1_14) > (WrapperStruct00.var_1_8)) ? (WrapperStruct00.var_1_14) : (WrapperStruct00.var_1_8)))) > WrapperStruct00.var_1_1) ? (WrapperStruct00.var_1_11 == ((signed char) ((((((((WrapperStruct00.var_1_8) < ((1 + 5))) ? (WrapperStruct00.var_1_8) : ((1 + 5))))) < (WrapperStruct00.var_1_10)) ? (((((WrapperStruct00.var_1_8) < ((1 + 5))) ? (WrapperStruct00.var_1_8) : ((1 + 5))))) : (WrapperStruct00.var_1_10))))) : 1))) && (WrapperStruct00.var_1_14 == ((signed long int) WrapperStruct00.var_1_8)) [L109] EXPR (((((((WrapperStruct00.var_1_2 - WrapperStruct00.var_1_3) ^ (WrapperStruct00.var_1_15 * WrapperStruct00.var_1_16)) <= -64) ? (WrapperStruct00.var_1_1 == ((unsigned char) WrapperStruct00.var_1_6)) : (WrapperStruct00.var_1_1 == ((unsigned char) WrapperStruct00.var_1_6))) && ((WrapperStruct00.var_1_2 <= ((((WrapperStruct00.var_1_14) < 0 ) ? -(WrapperStruct00.var_1_14) : (WrapperStruct00.var_1_14)))) ? (WrapperStruct00.var_1_7 == ((signed char) ((WrapperStruct00.var_1_8 - (1 + WrapperStruct00.var_1_9)) + WrapperStruct00.var_1_10))) : (WrapperStruct00.var_1_7 == ((signed char) WrapperStruct00.var_1_10)))) && ((2.75f > WrapperStruct00.var_1_12) ? (WrapperStruct00.var_1_11 == ((signed char) (WrapperStruct00.var_1_10 + WrapperStruct00.var_1_8))) : (((WrapperStruct00.var_1_13 - ((((WrapperStruct00.var_1_14) > (WrapperStruct00.var_1_8)) ? (WrapperStruct00.var_1_14) : (WrapperStruct00.var_1_8)))) > WrapperStruct00.var_1_1) ? (WrapperStruct00.var_1_11 == ((signed char) ((((((((WrapperStruct00.var_1_8) < ((1 + 5))) ? (WrapperStruct00.var_1_8) : ((1 + 5))))) < (WrapperStruct00.var_1_10)) ? (((((WrapperStruct00.var_1_8) < ((1 + 5))) ? (WrapperStruct00.var_1_8) : ((1 + 5))))) : (WrapperStruct00.var_1_10))))) : 1))) && (WrapperStruct00.var_1_14 == ((signed long int) WrapperStruct00.var_1_8))) && (WrapperStruct00.var_1_15 == ((signed long int) WrapperStruct00.var_1_16)) [L109] EXPR ((((((((WrapperStruct00.var_1_2 - WrapperStruct00.var_1_3) ^ (WrapperStruct00.var_1_15 * WrapperStruct00.var_1_16)) <= -64) ? (WrapperStruct00.var_1_1 == ((unsigned char) WrapperStruct00.var_1_6)) : (WrapperStruct00.var_1_1 == ((unsigned char) WrapperStruct00.var_1_6))) && ((WrapperStruct00.var_1_2 <= ((((WrapperStruct00.var_1_14) < 0 ) ? -(WrapperStruct00.var_1_14) : (WrapperStruct00.var_1_14)))) ? (WrapperStruct00.var_1_7 == ((signed char) ((WrapperStruct00.var_1_8 - (1 + WrapperStruct00.var_1_9)) + WrapperStruct00.var_1_10))) : (WrapperStruct00.var_1_7 == ((signed char) WrapperStruct00.var_1_10)))) && ((2.75f > WrapperStruct00.var_1_12) ? (WrapperStruct00.var_1_11 == ((signed char) (WrapperStruct00.var_1_10 + WrapperStruct00.var_1_8))) : (((WrapperStruct00.var_1_13 - ((((WrapperStruct00.var_1_14) > (WrapperStruct00.var_1_8)) ? (WrapperStruct00.var_1_14) : (WrapperStruct00.var_1_8)))) > WrapperStruct00.var_1_1) ? (WrapperStruct00.var_1_11 == ((signed char) ((((((((WrapperStruct00.var_1_8) < ((1 + 5))) ? (WrapperStruct00.var_1_8) : ((1 + 5))))) < (WrapperStruct00.var_1_10)) ? (((((WrapperStruct00.var_1_8) < ((1 + 5))) ? (WrapperStruct00.var_1_8) : ((1 + 5))))) : (WrapperStruct00.var_1_10))))) : 1))) && (WrapperStruct00.var_1_14 == ((signed long int) WrapperStruct00.var_1_8))) && (WrapperStruct00.var_1_15 == ((signed long int) WrapperStruct00.var_1_16))) && (WrapperStruct00.var_1_16 == ((signed short int) WrapperStruct00.var_1_14)) [L109-L110] return ((((((((WrapperStruct00.var_1_2 - WrapperStruct00.var_1_3) ^ (WrapperStruct00.var_1_15 * WrapperStruct00.var_1_16)) <= -64) ? (WrapperStruct00.var_1_1 == ((unsigned char) WrapperStruct00.var_1_6)) : (WrapperStruct00.var_1_1 == ((unsigned char) WrapperStruct00.var_1_6))) && ((WrapperStruct00.var_1_2 <= ((((WrapperStruct00.var_1_14) < 0 ) ? -(WrapperStruct00.var_1_14) : (WrapperStruct00.var_1_14)))) ? (WrapperStruct00.var_1_7 == ((signed char) ((WrapperStruct00.var_1_8 - (1 + WrapperStruct00.var_1_9)) + WrapperStruct00.var_1_10))) : (WrapperStruct00.var_1_7 == ((signed char) WrapperStruct00.var_1_10)))) && ((2.75f > WrapperStruct00.var_1_12) ? (WrapperStruct00.var_1_11 == ((signed char) (WrapperStruct00.var_1_10 + WrapperStruct00.var_1_8))) : (((WrapperStruct00.var_1_13 - ((((WrapperStruct00.var_1_14) > (WrapperStruct00.var_1_8)) ? (WrapperStruct00.var_1_14) : (WrapperStruct00.var_1_8)))) > WrapperStruct00.var_1_1) ? (WrapperStruct00.var_1_11 == ((signed char) ((((((((WrapperStruct00.var_1_8) < ((1 + 5))) ? (WrapperStruct00.var_1_8) : ((1 + 5))))) < (WrapperStruct00.var_1_10)) ? (((((WrapperStruct00.var_1_8) < ((1 + 5))) ? (WrapperStruct00.var_1_8) : ((1 + 5))))) : (WrapperStruct00.var_1_10))))) : 1))) && (WrapperStruct00.var_1_14 == ((signed long int) WrapperStruct00.var_1_8))) && (WrapperStruct00.var_1_15 == ((signed long int) WrapperStruct00.var_1_16))) && (WrapperStruct00.var_1_16 == ((signed short int) WrapperStruct00.var_1_14)) ; [L119] RET, EXPR property() [L119] 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, 39 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 3.6s, OverallIterations: 1, TraceHistogramMax: 15, 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=39occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 1.6s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 64 NumberOfCodeBlocks, 64 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-11-19 04:46:34,873 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b83630f9-9771-4b88-86a7-ad6852fa1a7b/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_b83630f9-9771-4b88-86a7-ad6852fa1a7b/bin/utaipan-verify-t7M7D8N6sZ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b83630f9-9771-4b88-86a7-ad6852fa1a7b/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_b83630f9-9771-4b88-86a7-ad6852fa1a7b/bin/utaipan-verify-t7M7D8N6sZ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b83630f9-9771-4b88-86a7-ad6852fa1a7b/bin/utaipan-verify-t7M7D8N6sZ/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-37.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b83630f9-9771-4b88-86a7-ad6852fa1a7b/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_b83630f9-9771-4b88-86a7-ad6852fa1a7b/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 e1208277e71e1c3dcb7bf16b04051e4f527abbe326e9bfc724844bd2d70dc86a --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 04:46:37,561 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 04:46:37,653 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b83630f9-9771-4b88-86a7-ad6852fa1a7b/bin/utaipan-verify-t7M7D8N6sZ/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2023-11-19 04:46:37,659 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 04:46:37,660 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 04:46:37,687 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 04:46:37,688 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 04:46:37,688 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 04:46:37,689 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 04:46:37,690 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-19 04:46:37,690 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-19 04:46:37,691 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-19 04:46:37,691 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-19 04:46:37,692 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-19 04:46:37,693 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-19 04:46:37,693 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-19 04:46:37,694 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 04:46:37,695 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 04:46:37,695 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 04:46:37,696 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 04:46:37,696 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 04:46:37,697 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 04:46:37,698 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 04:46:37,698 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 04:46:37,699 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-19 04:46:37,699 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-19 04:46:37,700 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-19 04:46:37,701 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 04:46:37,701 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 04:46:37,702 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 04:46:37,702 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 04:46:37,703 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-19 04:46:37,704 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-19 04:46:37,704 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 04:46:37,705 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 04:46:37,706 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 04:46:37,706 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 04:46:37,707 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-19 04:46:37,707 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 04:46:37,708 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 04:46:37,709 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-19 04:46:37,709 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 04:46:37,710 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_b83630f9-9771-4b88-86a7-ad6852fa1a7b/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b83630f9-9771-4b88-86a7-ad6852fa1a7b/bin/utaipan-verify-t7M7D8N6sZ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e1208277e71e1c3dcb7bf16b04051e4f527abbe326e9bfc724844bd2d70dc86a [2023-11-19 04:46:38,149 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 04:46:38,171 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 04:46:38,174 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 04:46:38,179 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 04:46:38,180 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 04:46:38,182 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b83630f9-9771-4b88-86a7-ad6852fa1a7b/bin/utaipan-verify-t7M7D8N6sZ/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-37.i [2023-11-19 04:46:41,535 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 04:46:41,832 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 04:46:41,833 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b83630f9-9771-4b88-86a7-ad6852fa1a7b/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-37.i [2023-11-19 04:46:41,843 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b83630f9-9771-4b88-86a7-ad6852fa1a7b/bin/utaipan-verify-t7M7D8N6sZ/data/fcb7c575b/eedfc71d8083405fbce8ebc32e681396/FLAGaeb6b3a7a [2023-11-19 04:46:41,859 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b83630f9-9771-4b88-86a7-ad6852fa1a7b/bin/utaipan-verify-t7M7D8N6sZ/data/fcb7c575b/eedfc71d8083405fbce8ebc32e681396 [2023-11-19 04:46:41,862 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 04:46:41,864 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 04:46:41,865 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 04:46:41,865 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 04:46:41,871 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 04:46:41,872 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:46:41" (1/1) ... [2023-11-19 04:46:41,873 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@226f9972 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:46:41, skipping insertion in model container [2023-11-19 04:46:41,873 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:46:41" (1/1) ... [2023-11-19 04:46:41,903 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 04:46:42,074 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_b83630f9-9771-4b88-86a7-ad6852fa1a7b/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-37.i[916,929] [2023-11-19 04:46:42,192 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 04:46:42,221 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 04:46:42,242 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_b83630f9-9771-4b88-86a7-ad6852fa1a7b/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-37.i[916,929] [2023-11-19 04:46:42,355 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 04:46:42,400 INFO L206 MainTranslator]: Completed translation [2023-11-19 04:46:42,401 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:46:42 WrapperNode [2023-11-19 04:46:42,401 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 04:46:42,402 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 04:46:42,402 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 04:46:42,403 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 04:46:42,438 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:46:42" (1/1) ... [2023-11-19 04:46:42,463 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:46:42" (1/1) ... [2023-11-19 04:46:42,541 INFO L138 Inliner]: procedures = 36, calls = 151, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 386 [2023-11-19 04:46:42,542 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 04:46:42,544 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 04:46:42,544 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 04:46:42,545 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 04:46:42,556 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:46:42" (1/1) ... [2023-11-19 04:46:42,556 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:46:42" (1/1) ... [2023-11-19 04:46:42,578 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:46:42" (1/1) ... [2023-11-19 04:46:42,578 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:46:42" (1/1) ... [2023-11-19 04:46:42,605 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:46:42" (1/1) ... [2023-11-19 04:46:42,609 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:46:42" (1/1) ... [2023-11-19 04:46:42,613 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:46:42" (1/1) ... [2023-11-19 04:46:42,617 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:46:42" (1/1) ... [2023-11-19 04:46:42,623 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 04:46:42,624 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 04:46:42,624 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 04:46:42,625 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 04:46:42,626 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:46:42" (1/1) ... [2023-11-19 04:46:42,636 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 04:46:42,667 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b83630f9-9771-4b88-86a7-ad6852fa1a7b/bin/utaipan-verify-t7M7D8N6sZ/z3 [2023-11-19 04:46:42,701 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b83630f9-9771-4b88-86a7-ad6852fa1a7b/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-19 04:46:42,729 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b83630f9-9771-4b88-86a7-ad6852fa1a7b/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-19 04:46:42,758 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 04:46:42,758 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2023-11-19 04:46:42,759 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2 [2023-11-19 04:46:42,759 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-19 04:46:42,759 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2023-11-19 04:46:42,759 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2023-11-19 04:46:42,760 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-11-19 04:46:42,760 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2023-11-19 04:46:42,760 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2023-11-19 04:46:42,762 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4 [2023-11-19 04:46:42,762 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-19 04:46:42,763 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-19 04:46:42,763 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 04:46:42,764 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 04:46:42,764 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2023-11-19 04:46:42,764 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2023-11-19 04:46:42,765 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-11-19 04:46:42,957 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 04:46:42,960 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 04:46:43,687 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 04:46:43,696 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 04:46:43,697 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-19 04:46:43,701 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:46:43 BoogieIcfgContainer [2023-11-19 04:46:43,701 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 04:46:43,703 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-19 04:46:43,703 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-19 04:46:43,707 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-19 04:46:43,707 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 04:46:41" (1/3) ... [2023-11-19 04:46:43,714 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@72191a72 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 04:46:43, skipping insertion in model container [2023-11-19 04:46:43,714 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:46:42" (2/3) ... [2023-11-19 04:46:43,714 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@72191a72 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 04:46:43, skipping insertion in model container [2023-11-19 04:46:43,715 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:46:43" (3/3) ... [2023-11-19 04:46:43,716 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_wrapper-s_file-37.i [2023-11-19 04:46:43,737 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-19 04:46:43,738 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-19 04:46:43,802 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-19 04:46:43,809 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;@77116f41, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-19 04:46:43,810 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-19 04:46:43,815 INFO L276 IsEmpty]: Start isEmpty. Operand has 97 states, 79 states have (on average 1.3924050632911393) internal successors, (110), 80 states have internal predecessors, (110), 15 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2023-11-19 04:46:43,834 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2023-11-19 04:46:43,835 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 04:46:43,837 INFO L195 NwaCegarLoop]: trace histogram [15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 04:46:43,838 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 04:46:43,844 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 04:46:43,845 INFO L85 PathProgramCache]: Analyzing trace with hash 1800358953, now seen corresponding path program 1 times [2023-11-19 04:46:43,862 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-19 04:46:43,863 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1271401625] [2023-11-19 04:46:43,863 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 04:46:43,864 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-19 04:46:43,864 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b83630f9-9771-4b88-86a7-ad6852fa1a7b/bin/utaipan-verify-t7M7D8N6sZ/mathsat [2023-11-19 04:46:43,870 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b83630f9-9771-4b88-86a7-ad6852fa1a7b/bin/utaipan-verify-t7M7D8N6sZ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-19 04:46:43,874 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b83630f9-9771-4b88-86a7-ad6852fa1a7b/bin/utaipan-verify-t7M7D8N6sZ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2023-11-19 04:46:44,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:46:44,310 INFO L262 TraceCheckSpWp]: Trace formula consists of 252 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 04:46:44,325 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:46:44,391 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 220 proven. 0 refuted. 0 times theorem prover too weak. 200 trivial. 0 not checked. [2023-11-19 04:46:44,391 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-19 04:46:44,392 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-19 04:46:44,392 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1271401625] [2023-11-19 04:46:44,393 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1271401625] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 04:46:44,393 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 04:46:44,393 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-19 04:46:44,395 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1511799266] [2023-11-19 04:46:44,396 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 04:46:44,402 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-19 04:46:44,403 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-19 04:46:44,452 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-19 04:46:44,453 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-19 04:46:44,458 INFO L87 Difference]: Start difference. First operand has 97 states, 79 states have (on average 1.3924050632911393) internal successors, (110), 80 states have internal predecessors, (110), 15 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) Second operand has 2 states, 2 states have (on average 27.0) internal successors, (54), 2 states have internal predecessors, (54), 2 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2023-11-19 04:46:44,519 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 04:46:44,519 INFO L93 Difference]: Finished difference Result 187 states and 289 transitions. [2023-11-19 04:46:44,520 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-19 04:46:44,521 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 27.0) internal successors, (54), 2 states have internal predecessors, (54), 2 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) Word has length 122 [2023-11-19 04:46:44,522 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 04:46:44,532 INFO L225 Difference]: With dead ends: 187 [2023-11-19 04:46:44,533 INFO L226 Difference]: Without dead ends: 93 [2023-11-19 04:46:44,537 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 121 GetRequests, 121 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-19 04:46:44,541 INFO L413 NwaCegarLoop]: 133 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, 133 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-19 04:46:44,543 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 133 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-19 04:46:44,561 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 93 states. [2023-11-19 04:46:44,602 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 93 to 93. [2023-11-19 04:46:44,604 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 93 states, 76 states have (on average 1.355263157894737) internal successors, (103), 76 states have internal predecessors, (103), 15 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2023-11-19 04:46:44,615 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 93 states and 133 transitions. [2023-11-19 04:46:44,616 INFO L78 Accepts]: Start accepts. Automaton has 93 states and 133 transitions. Word has length 122 [2023-11-19 04:46:44,617 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 04:46:44,617 INFO L495 AbstractCegarLoop]: Abstraction has 93 states and 133 transitions. [2023-11-19 04:46:44,618 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 27.0) internal successors, (54), 2 states have internal predecessors, (54), 2 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2023-11-19 04:46:44,618 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 133 transitions. [2023-11-19 04:46:44,628 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2023-11-19 04:46:44,628 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 04:46:44,628 INFO L195 NwaCegarLoop]: trace histogram [15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 04:46:44,637 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b83630f9-9771-4b88-86a7-ad6852fa1a7b/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 04:46:44,835 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b83630f9-9771-4b88-86a7-ad6852fa1a7b/bin/utaipan-verify-t7M7D8N6sZ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-19 04:46:44,836 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 04:46:44,836 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 04:46:44,837 INFO L85 PathProgramCache]: Analyzing trace with hash -1485094405, now seen corresponding path program 1 times [2023-11-19 04:46:44,837 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-19 04:46:44,838 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2060696249] [2023-11-19 04:46:44,838 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 04:46:44,838 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-19 04:46:44,838 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b83630f9-9771-4b88-86a7-ad6852fa1a7b/bin/utaipan-verify-t7M7D8N6sZ/mathsat [2023-11-19 04:46:44,877 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b83630f9-9771-4b88-86a7-ad6852fa1a7b/bin/utaipan-verify-t7M7D8N6sZ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-19 04:46:44,908 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b83630f9-9771-4b88-86a7-ad6852fa1a7b/bin/utaipan-verify-t7M7D8N6sZ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2023-11-19 04:46:45,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:46:45,197 INFO L262 TraceCheckSpWp]: Trace formula consists of 252 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-19 04:46:45,204 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:46:45,263 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 420 trivial. 0 not checked. [2023-11-19 04:46:45,263 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-19 04:46:45,264 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-19 04:46:45,264 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2060696249] [2023-11-19 04:46:45,264 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2060696249] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 04:46:45,264 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 04:46:45,285 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-19 04:46:45,286 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [479787840] [2023-11-19 04:46:45,286 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 04:46:45,287 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-19 04:46:45,288 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-19 04:46:45,289 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-19 04:46:45,289 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-19 04:46:45,290 INFO L87 Difference]: Start difference. First operand 93 states and 133 transitions. Second operand has 5 states, 5 states have (on average 10.0) internal successors, (50), 5 states have internal predecessors, (50), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) [2023-11-19 04:46:45,383 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 04:46:45,384 INFO L93 Difference]: Finished difference Result 204 states and 293 transitions. [2023-11-19 04:46:45,384 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-11-19 04:46:45,385 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.0) internal successors, (50), 5 states have internal predecessors, (50), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) Word has length 122 [2023-11-19 04:46:45,386 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 04:46:45,388 INFO L225 Difference]: With dead ends: 204 [2023-11-19 04:46:45,388 INFO L226 Difference]: Without dead ends: 114 [2023-11-19 04:46:45,389 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 124 GetRequests, 118 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2023-11-19 04:46:45,391 INFO L413 NwaCegarLoop]: 128 mSDtfsCounter, 46 mSDsluCounter, 376 mSDsCounter, 0 mSdLazyCounter, 31 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 46 SdHoareTripleChecker+Valid, 504 SdHoareTripleChecker+Invalid, 34 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 31 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-19 04:46:45,392 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [46 Valid, 504 Invalid, 34 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 31 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-19 04:46:45,393 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 114 states. [2023-11-19 04:46:45,404 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 114 to 97. [2023-11-19 04:46:45,405 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 97 states, 80 states have (on average 1.3375) internal successors, (107), 80 states have internal predecessors, (107), 15 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2023-11-19 04:46:45,406 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 97 states and 137 transitions. [2023-11-19 04:46:45,407 INFO L78 Accepts]: Start accepts. Automaton has 97 states and 137 transitions. Word has length 122 [2023-11-19 04:46:45,408 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 04:46:45,409 INFO L495 AbstractCegarLoop]: Abstraction has 97 states and 137 transitions. [2023-11-19 04:46:45,409 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.0) internal successors, (50), 5 states have internal predecessors, (50), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) [2023-11-19 04:46:45,409 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 137 transitions. [2023-11-19 04:46:45,411 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2023-11-19 04:46:45,411 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 04:46:45,411 INFO L195 NwaCegarLoop]: trace histogram [15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 04:46:45,425 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b83630f9-9771-4b88-86a7-ad6852fa1a7b/bin/utaipan-verify-t7M7D8N6sZ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2023-11-19 04:46:45,617 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b83630f9-9771-4b88-86a7-ad6852fa1a7b/bin/utaipan-verify-t7M7D8N6sZ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-19 04:46:45,618 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 04:46:45,618 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 04:46:45,619 INFO L85 PathProgramCache]: Analyzing trace with hash -805036035, now seen corresponding path program 1 times [2023-11-19 04:46:45,619 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-19 04:46:45,619 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [615361953] [2023-11-19 04:46:45,620 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 04:46:45,620 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-19 04:46:45,620 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b83630f9-9771-4b88-86a7-ad6852fa1a7b/bin/utaipan-verify-t7M7D8N6sZ/mathsat [2023-11-19 04:46:45,624 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b83630f9-9771-4b88-86a7-ad6852fa1a7b/bin/utaipan-verify-t7M7D8N6sZ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-19 04:46:45,627 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b83630f9-9771-4b88-86a7-ad6852fa1a7b/bin/utaipan-verify-t7M7D8N6sZ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2023-11-19 04:46:45,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:46:45,909 INFO L262 TraceCheckSpWp]: Trace formula consists of 249 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-19 04:46:45,915 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:46:45,966 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 420 trivial. 0 not checked. [2023-11-19 04:46:45,966 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-19 04:46:45,966 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-19 04:46:45,966 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [615361953] [2023-11-19 04:46:45,967 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [615361953] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 04:46:45,967 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 04:46:45,967 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-19 04:46:45,967 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1034803880] [2023-11-19 04:46:45,967 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 04:46:45,968 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-19 04:46:45,968 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-19 04:46:45,969 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-19 04:46:45,969 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-11-19 04:46:45,970 INFO L87 Difference]: Start difference. First operand 97 states and 137 transitions. Second operand has 6 states, 6 states have (on average 8.333333333333334) internal successors, (50), 6 states have internal predecessors, (50), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) [2023-11-19 04:46:46,114 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 04:46:46,114 INFO L93 Difference]: Finished difference Result 211 states and 298 transitions. [2023-11-19 04:46:46,115 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-11-19 04:46:46,115 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.333333333333334) internal successors, (50), 6 states have internal predecessors, (50), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) Word has length 122 [2023-11-19 04:46:46,116 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 04:46:46,118 INFO L225 Difference]: With dead ends: 211 [2023-11-19 04:46:46,118 INFO L226 Difference]: Without dead ends: 117 [2023-11-19 04:46:46,119 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 127 GetRequests, 117 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2023-11-19 04:46:46,121 INFO L413 NwaCegarLoop]: 126 mSDtfsCounter, 49 mSDsluCounter, 497 mSDsCounter, 0 mSdLazyCounter, 49 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 49 SdHoareTripleChecker+Valid, 623 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 04:46:46,121 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [49 Valid, 623 Invalid, 52 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 49 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-19 04:46:46,122 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 117 states. [2023-11-19 04:46:46,132 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 117 to 99. [2023-11-19 04:46:46,133 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 99 states, 82 states have (on average 1.329268292682927) internal successors, (109), 82 states have internal predecessors, (109), 15 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2023-11-19 04:46:46,134 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 99 states and 139 transitions. [2023-11-19 04:46:46,134 INFO L78 Accepts]: Start accepts. Automaton has 99 states and 139 transitions. Word has length 122 [2023-11-19 04:46:46,135 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 04:46:46,135 INFO L495 AbstractCegarLoop]: Abstraction has 99 states and 139 transitions. [2023-11-19 04:46:46,136 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.333333333333334) internal successors, (50), 6 states have internal predecessors, (50), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) [2023-11-19 04:46:46,136 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 139 transitions. [2023-11-19 04:46:46,137 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2023-11-19 04:46:46,138 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 04:46:46,138 INFO L195 NwaCegarLoop]: trace histogram [15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 04:46:46,146 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b83630f9-9771-4b88-86a7-ad6852fa1a7b/bin/utaipan-verify-t7M7D8N6sZ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2023-11-19 04:46:46,344 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b83630f9-9771-4b88-86a7-ad6852fa1a7b/bin/utaipan-verify-t7M7D8N6sZ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-19 04:46:46,345 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 04:46:46,346 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 04:46:46,346 INFO L85 PathProgramCache]: Analyzing trace with hash 969971327, now seen corresponding path program 1 times [2023-11-19 04:46:46,347 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-19 04:46:46,348 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [122136743] [2023-11-19 04:46:46,348 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 04:46:46,348 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-19 04:46:46,348 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b83630f9-9771-4b88-86a7-ad6852fa1a7b/bin/utaipan-verify-t7M7D8N6sZ/mathsat [2023-11-19 04:46:46,350 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b83630f9-9771-4b88-86a7-ad6852fa1a7b/bin/utaipan-verify-t7M7D8N6sZ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-19 04:46:46,352 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b83630f9-9771-4b88-86a7-ad6852fa1a7b/bin/utaipan-verify-t7M7D8N6sZ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2023-11-19 04:46:46,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:46:46,651 INFO L262 TraceCheckSpWp]: Trace formula consists of 246 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-19 04:46:46,656 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:46:46,702 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 420 trivial. 0 not checked. [2023-11-19 04:46:46,702 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-19 04:46:46,702 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-19 04:46:46,702 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [122136743] [2023-11-19 04:46:46,702 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [122136743] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 04:46:46,703 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 04:46:46,703 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-11-19 04:46:46,703 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [518553108] [2023-11-19 04:46:46,703 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 04:46:46,704 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-19 04:46:46,704 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-19 04:46:46,705 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-19 04:46:46,705 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2023-11-19 04:46:46,706 INFO L87 Difference]: Start difference. First operand 99 states and 139 transitions. Second operand has 7 states, 7 states have (on average 7.142857142857143) internal successors, (50), 7 states have internal predecessors, (50), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) [2023-11-19 04:46:46,908 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 04:46:46,908 INFO L93 Difference]: Finished difference Result 214 states and 298 transitions. [2023-11-19 04:46:46,909 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2023-11-19 04:46:46,909 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 7.142857142857143) internal successors, (50), 7 states have internal predecessors, (50), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) Word has length 122 [2023-11-19 04:46:46,910 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 04:46:46,911 INFO L225 Difference]: With dead ends: 214 [2023-11-19 04:46:46,911 INFO L226 Difference]: Without dead ends: 118 [2023-11-19 04:46:46,912 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 131 GetRequests, 116 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 38 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=86, Invalid=186, Unknown=0, NotChecked=0, Total=272 [2023-11-19 04:46:46,914 INFO L413 NwaCegarLoop]: 124 mSDtfsCounter, 40 mSDsluCounter, 611 mSDsCounter, 0 mSdLazyCounter, 66 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 40 SdHoareTripleChecker+Valid, 735 SdHoareTripleChecker+Invalid, 70 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 66 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-19 04:46:46,914 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [40 Valid, 735 Invalid, 70 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 66 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-19 04:46:46,915 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 118 states. [2023-11-19 04:46:46,923 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 118 to 101. [2023-11-19 04:46:46,924 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 101 states, 84 states have (on average 1.3214285714285714) internal successors, (111), 84 states have internal predecessors, (111), 15 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2023-11-19 04:46:46,925 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 101 states and 141 transitions. [2023-11-19 04:46:46,925 INFO L78 Accepts]: Start accepts. Automaton has 101 states and 141 transitions. Word has length 122 [2023-11-19 04:46:46,926 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 04:46:46,926 INFO L495 AbstractCegarLoop]: Abstraction has 101 states and 141 transitions. [2023-11-19 04:46:46,926 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 7.142857142857143) internal successors, (50), 7 states have internal predecessors, (50), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) [2023-11-19 04:46:46,927 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 141 transitions. [2023-11-19 04:46:46,928 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2023-11-19 04:46:46,928 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 04:46:46,929 INFO L195 NwaCegarLoop]: trace histogram [15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 04:46:46,939 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b83630f9-9771-4b88-86a7-ad6852fa1a7b/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)] Ended with exit code 0 [2023-11-19 04:46:47,134 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b83630f9-9771-4b88-86a7-ad6852fa1a7b/bin/utaipan-verify-t7M7D8N6sZ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-19 04:46:47,136 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 04:46:47,137 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 04:46:47,137 INFO L85 PathProgramCache]: Analyzing trace with hash 971818369, now seen corresponding path program 1 times [2023-11-19 04:46:47,138 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-19 04:46:47,138 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1236391344] [2023-11-19 04:46:47,138 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 04:46:47,139 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-19 04:46:47,139 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b83630f9-9771-4b88-86a7-ad6852fa1a7b/bin/utaipan-verify-t7M7D8N6sZ/mathsat [2023-11-19 04:46:47,140 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b83630f9-9771-4b88-86a7-ad6852fa1a7b/bin/utaipan-verify-t7M7D8N6sZ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-19 04:46:47,157 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b83630f9-9771-4b88-86a7-ad6852fa1a7b/bin/utaipan-verify-t7M7D8N6sZ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2023-11-19 04:46:47,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:46:47,565 INFO L262 TraceCheckSpWp]: Trace formula consists of 243 conjuncts, 31 conjunts are in the unsatisfiable core [2023-11-19 04:46:47,577 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:46:47,633 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2023-11-19 04:46:47,754 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 31 treesize of output 15 [2023-11-19 04:46:47,819 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 25 [2023-11-19 04:46:48,062 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 28 [2023-11-19 04:46:48,508 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-19 04:46:48,509 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 52 treesize of output 42 [2023-11-19 04:46:48,756 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-19 04:46:48,757 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 52 treesize of output 42 [2023-11-19 04:46:48,995 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-19 04:46:48,996 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 52 treesize of output 42 [2023-11-19 04:46:49,177 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-19 04:46:49,178 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 52 treesize of output 42 [2023-11-19 04:46:49,433 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-19 04:46:49,434 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 69 treesize of output 66 [2023-11-19 04:46:49,739 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-19 04:46:49,740 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 88 treesize of output 34 [2023-11-19 04:46:49,831 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 227 proven. 63 refuted. 0 times theorem prover too weak. 130 trivial. 0 not checked. [2023-11-19 04:46:49,832 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-19 04:46:50,513 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-19 04:46:50,513 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1236391344] [2023-11-19 04:46:50,513 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1236391344] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-19 04:46:50,513 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [271994124] [2023-11-19 04:46:50,514 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 04:46:50,514 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-19 04:46:50,514 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b83630f9-9771-4b88-86a7-ad6852fa1a7b/bin/utaipan-verify-t7M7D8N6sZ/cvc4 [2023-11-19 04:46:50,518 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b83630f9-9771-4b88-86a7-ad6852fa1a7b/bin/utaipan-verify-t7M7D8N6sZ/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-19 04:46:50,549 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b83630f9-9771-4b88-86a7-ad6852fa1a7b/bin/utaipan-verify-t7M7D8N6sZ/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2023-11-19 04:46:51,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:46:51,428 INFO L262 TraceCheckSpWp]: Trace formula consists of 243 conjuncts, 35 conjunts are in the unsatisfiable core [2023-11-19 04:46:51,437 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:46:51,510 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 8 [2023-11-19 04:46:52,017 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 25 [2023-11-19 04:46:52,329 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-19 04:46:52,329 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 32 treesize of output 23 [2023-11-19 04:46:52,539 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 31 [2023-11-19 04:46:53,486 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-19 04:46:53,486 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 46 treesize of output 47 [2023-11-19 04:46:54,091 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-19 04:46:54,091 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 54 treesize of output 58 [2023-11-19 04:46:54,690 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-19 04:46:54,690 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 15 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 56 treesize of output 56 [2023-11-19 04:46:54,983 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-19 04:46:54,984 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 15 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 56 treesize of output 56 [2023-11-19 04:46:55,402 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 21 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 69 treesize of output 76 [2023-11-19 04:46:55,941 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-19 04:46:55,941 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 7 select indices, 7 select index equivalence classes, 21 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 21 case distinctions, treesize of input 92 treesize of output 44 [2023-11-19 04:46:56,008 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 289 proven. 63 refuted. 0 times theorem prover too weak. 68 trivial. 0 not checked. [2023-11-19 04:46:56,008 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-19 04:46:56,434 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [271994124] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-19 04:46:56,435 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1650424122] [2023-11-19 04:46:56,435 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 04:46:56,435 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 04:46:56,435 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b83630f9-9771-4b88-86a7-ad6852fa1a7b/bin/utaipan-verify-t7M7D8N6sZ/z3 [2023-11-19 04:46:56,440 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b83630f9-9771-4b88-86a7-ad6852fa1a7b/bin/utaipan-verify-t7M7D8N6sZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-19 04:46:56,453 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b83630f9-9771-4b88-86a7-ad6852fa1a7b/bin/utaipan-verify-t7M7D8N6sZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2023-11-19 04:46:56,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:46:56,642 INFO L262 TraceCheckSpWp]: Trace formula consists of 243 conjuncts, 28 conjunts are in the unsatisfiable core [2023-11-19 04:46:56,649 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:46:56,690 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 25 [2023-11-19 04:46:56,916 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-19 04:46:56,918 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 41 treesize of output 28 [2023-11-19 04:46:57,058 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-19 04:46:57,059 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 04:46:57,371 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-19 04:46:57,372 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 04:46:57,556 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-19 04:46:57,557 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 04:46:57,969 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-19 04:46:57,969 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 61 treesize of output 54 [2023-11-19 04:46:58,149 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-19 04:46:58,150 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 61 treesize of output 54 [2023-11-19 04:46:58,419 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 15 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 78 treesize of output 78 [2023-11-19 04:46:59,002 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-19 04:46:59,004 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 97 treesize of output 43 [2023-11-19 04:46:59,080 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 290 proven. 42 refuted. 0 times theorem prover too weak. 88 trivial. 0 not checked. [2023-11-19 04:46:59,081 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-19 04:46:59,328 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1650424122] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-19 04:46:59,328 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-19 04:46:59,329 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 18, 12] total 35 [2023-11-19 04:46:59,329 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1409982510] [2023-11-19 04:46:59,329 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-19 04:46:59,331 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 35 states [2023-11-19 04:46:59,331 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-19 04:46:59,332 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 35 interpolants. [2023-11-19 04:46:59,334 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=375, Invalid=1517, Unknown=0, NotChecked=0, Total=1892 [2023-11-19 04:46:59,334 INFO L87 Difference]: Start difference. First operand 101 states and 141 transitions. Second operand has 35 states, 31 states have (on average 4.451612903225806) internal successors, (138), 33 states have internal predecessors, (138), 15 states have call successors, (43), 14 states have call predecessors, (43), 15 states have return successors, (43), 11 states have call predecessors, (43), 15 states have call successors, (43) [2023-11-19 04:47:08,391 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 04:47:08,391 INFO L93 Difference]: Finished difference Result 235 states and 308 transitions. [2023-11-19 04:47:08,404 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2023-11-19 04:47:08,405 INFO L78 Accepts]: Start accepts. Automaton has has 35 states, 31 states have (on average 4.451612903225806) internal successors, (138), 33 states have internal predecessors, (138), 15 states have call successors, (43), 14 states have call predecessors, (43), 15 states have return successors, (43), 11 states have call predecessors, (43), 15 states have call successors, (43) Word has length 122 [2023-11-19 04:47:08,406 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 04:47:08,407 INFO L225 Difference]: With dead ends: 235 [2023-11-19 04:47:08,408 INFO L226 Difference]: Without dead ends: 137 [2023-11-19 04:47:08,411 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 644 GetRequests, 568 SyntacticMatches, 4 SemanticMatches, 72 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1602 ImplicationChecksByTransitivity, 6.8s TimeCoverageRelationStatistics Valid=1148, Invalid=4254, Unknown=0, NotChecked=0, Total=5402 [2023-11-19 04:47:08,417 INFO L413 NwaCegarLoop]: 67 mSDtfsCounter, 216 mSDsluCounter, 621 mSDsCounter, 0 mSdLazyCounter, 1349 mSolverCounterSat, 31 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 217 SdHoareTripleChecker+Valid, 688 SdHoareTripleChecker+Invalid, 1380 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 31 IncrementalHoareTripleChecker+Valid, 1349 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.1s IncrementalHoareTripleChecker+Time [2023-11-19 04:47:08,418 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [217 Valid, 688 Invalid, 1380 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [31 Valid, 1349 Invalid, 0 Unknown, 0 Unchecked, 6.1s Time] [2023-11-19 04:47:08,422 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 137 states. [2023-11-19 04:47:08,476 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 137 to 129. [2023-11-19 04:47:08,476 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 129 states, 105 states have (on average 1.2380952380952381) internal successors, (130), 105 states have internal predecessors, (130), 15 states have call successors, (15), 8 states have call predecessors, (15), 8 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2023-11-19 04:47:08,478 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 129 states and 160 transitions. [2023-11-19 04:47:08,479 INFO L78 Accepts]: Start accepts. Automaton has 129 states and 160 transitions. Word has length 122 [2023-11-19 04:47:08,479 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 04:47:08,480 INFO L495 AbstractCegarLoop]: Abstraction has 129 states and 160 transitions. [2023-11-19 04:47:08,481 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 35 states, 31 states have (on average 4.451612903225806) internal successors, (138), 33 states have internal predecessors, (138), 15 states have call successors, (43), 14 states have call predecessors, (43), 15 states have return successors, (43), 11 states have call predecessors, (43), 15 states have call successors, (43) [2023-11-19 04:47:08,481 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 160 transitions. [2023-11-19 04:47:08,482 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2023-11-19 04:47:08,482 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 04:47:08,483 INFO L195 NwaCegarLoop]: trace histogram [15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 04:47:08,511 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b83630f9-9771-4b88-86a7-ad6852fa1a7b/bin/utaipan-verify-t7M7D8N6sZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2023-11-19 04:47:08,705 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b83630f9-9771-4b88-86a7-ad6852fa1a7b/bin/utaipan-verify-t7M7D8N6sZ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2023-11-19 04:47:08,905 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b83630f9-9771-4b88-86a7-ad6852fa1a7b/bin/utaipan-verify-t7M7D8N6sZ/cvc4 --incremental --print-success --lang smt (7)] Forceful destruction successful, exit code 0 [2023-11-19 04:47:09,096 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b83630f9-9771-4b88-86a7-ad6852fa1a7b/bin/utaipan-verify-t7M7D8N6sZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b83630f9-9771-4b88-86a7-ad6852fa1a7b/bin/utaipan-verify-t7M7D8N6sZ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3,7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b83630f9-9771-4b88-86a7-ad6852fa1a7b/bin/utaipan-verify-t7M7D8N6sZ/cvc4 --incremental --print-success --lang smt [2023-11-19 04:47:09,097 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 04:47:09,097 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 04:47:09,097 INFO L85 PathProgramCache]: Analyzing trace with hash 1394520195, now seen corresponding path program 1 times [2023-11-19 04:47:09,098 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-19 04:47:09,098 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1410381855] [2023-11-19 04:47:09,098 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 04:47:09,098 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-19 04:47:09,099 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b83630f9-9771-4b88-86a7-ad6852fa1a7b/bin/utaipan-verify-t7M7D8N6sZ/mathsat [2023-11-19 04:47:09,099 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b83630f9-9771-4b88-86a7-ad6852fa1a7b/bin/utaipan-verify-t7M7D8N6sZ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-19 04:47:09,102 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b83630f9-9771-4b88-86a7-ad6852fa1a7b/bin/utaipan-verify-t7M7D8N6sZ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2023-11-19 04:47:09,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:47:09,423 INFO L262 TraceCheckSpWp]: Trace formula consists of 243 conjuncts, 42 conjunts are in the unsatisfiable core [2023-11-19 04:47:09,430 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:47:09,437 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2023-11-19 04:47:09,503 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 31 treesize of output 15 [2023-11-19 04:47:09,665 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-19 04:47:09,665 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 37 treesize of output 39 [2023-11-19 04:47:09,889 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 47 treesize of output 52 [2023-11-19 04:47:11,173 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-19 04:47:11,174 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 79 treesize of output 75 [2023-11-19 04:47:11,778 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-19 04:47:11,779 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 94 treesize of output 78 [2023-11-19 04:47:12,347 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-19 04:47:12,347 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 94 treesize of output 78 [2023-11-19 04:47:12,831 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-19 04:47:12,832 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 94 treesize of output 78 [2023-11-19 04:47:13,550 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-19 04:47:13,551 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 109 treesize of output 91 [2023-11-19 04:47:13,919 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-19 04:47:13,920 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 21 case distinctions, treesize of input 88 treesize of output 105 [2023-11-19 04:47:14,259 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-19 04:47:14,260 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 8 select indices, 8 select index equivalence classes, 0 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 28 case distinctions, treesize of input 125 treesize of output 53 [2023-11-19 04:47:14,472 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 224 proven. 102 refuted. 0 times theorem prover too weak. 94 trivial. 0 not checked. [2023-11-19 04:47:14,472 INFO L327 TraceCheckSpWp]: Computing backward predicates...