./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-41.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc 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_9f4d984d-da96-49d3-9ae8-a7210135739e/bin/utaipan-verify-SwPr7d2a91/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f4d984d-da96-49d3-9ae8-a7210135739e/bin/utaipan-verify-SwPr7d2a91/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f4d984d-da96-49d3-9ae8-a7210135739e/bin/utaipan-verify-SwPr7d2a91/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f4d984d-da96-49d3-9ae8-a7210135739e/bin/utaipan-verify-SwPr7d2a91/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-41.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f4d984d-da96-49d3-9ae8-a7210135739e/bin/utaipan-verify-SwPr7d2a91/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f4d984d-da96-49d3-9ae8-a7210135739e/bin/utaipan-verify-SwPr7d2a91 --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 5500c8c7193dc6037ea6a3bb34476f6fde8daaea8a8ab7a630cc148614b2e159 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-25 00:06:36,339 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-25 00:06:36,428 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f4d984d-da96-49d3-9ae8-a7210135739e/bin/utaipan-verify-SwPr7d2a91/config/svcomp-Reach-32bit-Taipan_Default.epf [2023-11-25 00:06:36,439 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-25 00:06:36,439 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-25 00:06:36,488 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-25 00:06:36,489 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-25 00:06:36,490 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-25 00:06:36,491 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-25 00:06:36,496 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-25 00:06:36,496 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-25 00:06:36,497 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-25 00:06:36,497 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-25 00:06:36,499 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-25 00:06:36,500 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-25 00:06:36,500 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-25 00:06:36,500 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-25 00:06:36,501 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-25 00:06:36,501 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-25 00:06:36,502 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-25 00:06:36,502 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-25 00:06:36,503 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-25 00:06:36,504 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-25 00:06:36,505 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-25 00:06:36,505 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-25 00:06:36,505 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-25 00:06:36,506 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-25 00:06:36,506 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-25 00:06:36,507 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-25 00:06:36,507 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-25 00:06:36,508 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-25 00:06:36,508 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-25 00:06:36,509 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-25 00:06:36,509 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-25 00:06:36,509 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-25 00:06:36,509 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-25 00:06:36,510 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-25 00:06:36,510 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-25 00:06:36,510 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-25 00:06:36,510 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-25 00:06:36,511 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-25 00:06:36,511 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-25 00:06:36,511 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-25 00:06:36,512 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-25 00:06:36,512 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-25 00:06:36,513 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-25 00:06:36,513 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-25 00:06:36,513 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_9f4d984d-da96-49d3-9ae8-a7210135739e/bin/utaipan-verify-SwPr7d2a91/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f4d984d-da96-49d3-9ae8-a7210135739e/bin/utaipan-verify-SwPr7d2a91 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5500c8c7193dc6037ea6a3bb34476f6fde8daaea8a8ab7a630cc148614b2e159 [2023-11-25 00:06:36,780 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-25 00:06:36,804 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-25 00:06:36,807 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-25 00:06:36,808 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-25 00:06:36,809 INFO L274 PluginConnector]: CDTParser initialized [2023-11-25 00:06:36,810 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f4d984d-da96-49d3-9ae8-a7210135739e/bin/utaipan-verify-SwPr7d2a91/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-41.i [2023-11-25 00:06:39,941 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-25 00:06:40,285 INFO L384 CDTParser]: Found 1 translation units. [2023-11-25 00:06:40,286 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f4d984d-da96-49d3-9ae8-a7210135739e/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-41.i [2023-11-25 00:06:40,297 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f4d984d-da96-49d3-9ae8-a7210135739e/bin/utaipan-verify-SwPr7d2a91/data/1b71a5f17/52e53cc6f0464584a6eaedb39a0aa2b4/FLAG7299b7de1 [2023-11-25 00:06:40,572 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f4d984d-da96-49d3-9ae8-a7210135739e/bin/utaipan-verify-SwPr7d2a91/data/1b71a5f17/52e53cc6f0464584a6eaedb39a0aa2b4 [2023-11-25 00:06:40,575 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-25 00:06:40,577 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-25 00:06:40,579 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-25 00:06:40,583 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-25 00:06:40,591 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-25 00:06:40,592 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 12:06:40" (1/1) ... [2023-11-25 00:06:40,596 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2caa6fb0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:06:40, skipping insertion in model container [2023-11-25 00:06:40,596 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 12:06:40" (1/1) ... [2023-11-25 00:06:40,629 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-25 00:06:40,802 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_9f4d984d-da96-49d3-9ae8-a7210135739e/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-41.i[916,929] [2023-11-25 00:06:40,880 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-25 00:06:40,893 INFO L202 MainTranslator]: Completed pre-run [2023-11-25 00:06:40,903 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_9f4d984d-da96-49d3-9ae8-a7210135739e/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-41.i[916,929] [2023-11-25 00:06:40,944 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-25 00:06:40,964 INFO L206 MainTranslator]: Completed translation [2023-11-25 00:06:40,965 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:06:40 WrapperNode [2023-11-25 00:06:40,965 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-25 00:06:40,966 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-25 00:06:40,967 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-25 00:06:40,967 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-25 00:06:40,975 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:06:40" (1/1) ... [2023-11-25 00:06:40,990 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:06:40" (1/1) ... [2023-11-25 00:06:41,040 INFO L138 Inliner]: procedures = 29, calls = 142, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 357 [2023-11-25 00:06:41,040 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-25 00:06:41,041 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-25 00:06:41,041 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-25 00:06:41,041 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-25 00:06:41,051 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:06:40" (1/1) ... [2023-11-25 00:06:41,052 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:06:40" (1/1) ... [2023-11-25 00:06:41,058 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:06:40" (1/1) ... [2023-11-25 00:06:41,070 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:06:40" (1/1) ... [2023-11-25 00:06:41,106 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:06:40" (1/1) ... [2023-11-25 00:06:41,110 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:06:40" (1/1) ... [2023-11-25 00:06:41,114 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:06:40" (1/1) ... [2023-11-25 00:06:41,117 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:06:40" (1/1) ... [2023-11-25 00:06:41,122 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-25 00:06:41,123 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-25 00:06:41,123 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-25 00:06:41,124 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-25 00:06:41,125 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:06:40" (1/1) ... [2023-11-25 00:06:41,147 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-25 00:06:41,163 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f4d984d-da96-49d3-9ae8-a7210135739e/bin/utaipan-verify-SwPr7d2a91/z3 [2023-11-25 00:06:41,189 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f4d984d-da96-49d3-9ae8-a7210135739e/bin/utaipan-verify-SwPr7d2a91/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-25 00:06:41,231 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f4d984d-da96-49d3-9ae8-a7210135739e/bin/utaipan-verify-SwPr7d2a91/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-25 00:06:41,250 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-25 00:06:41,250 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2023-11-25 00:06:41,256 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-25 00:06:41,257 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2023-11-25 00:06:41,259 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-25 00:06:41,259 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real [2023-11-25 00:06:41,260 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-25 00:06:41,260 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-25 00:06:41,260 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-25 00:06:41,260 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-25 00:06:41,260 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-25 00:06:41,434 INFO L241 CfgBuilder]: Building ICFG [2023-11-25 00:06:41,436 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-25 00:06:41,975 INFO L282 CfgBuilder]: Performing block encoding [2023-11-25 00:06:42,463 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-25 00:06:42,463 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-25 00:06:42,466 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 12:06:42 BoogieIcfgContainer [2023-11-25 00:06:42,466 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-25 00:06:42,471 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-25 00:06:42,471 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-25 00:06:42,474 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-25 00:06:42,475 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.11 12:06:40" (1/3) ... [2023-11-25 00:06:42,476 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6f6817e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 12:06:42, skipping insertion in model container [2023-11-25 00:06:42,477 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:06:40" (2/3) ... [2023-11-25 00:06:42,478 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6f6817e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 12:06:42, skipping insertion in model container [2023-11-25 00:06:42,478 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 12:06:42" (3/3) ... [2023-11-25 00:06:42,480 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_wrapper-a_file-41.i [2023-11-25 00:06:42,501 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-25 00:06:42,501 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-25 00:06:42,589 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-25 00:06:42,599 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;@30ff9f9b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-25 00:06:42,600 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-25 00:06:42,604 INFO L276 IsEmpty]: Start isEmpty. Operand has 37 states, 20 states have (on average 1.15) internal successors, (23), 21 states have internal predecessors, (23), 14 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2023-11-25 00:06:42,615 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2023-11-25 00:06:42,616 INFO L187 NwaCegarLoop]: Found error trace [2023-11-25 00:06:42,617 INFO L195 NwaCegarLoop]: trace histogram [14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-25 00:06:42,618 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-25 00:06:42,626 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-25 00:06:42,626 INFO L85 PathProgramCache]: Analyzing trace with hash 1281144830, now seen corresponding path program 1 times [2023-11-25 00:06:42,637 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-25 00:06:42,638 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [256768229] [2023-11-25 00:06:42,638 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-25 00:06:42,639 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-25 00:06:44,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-25 00:06:44,463 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-25 00:06:45,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-25 00:06:45,431 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2023-11-25 00:06:45,433 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-25 00:06:45,434 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-25 00:06:45,437 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-25 00:06:45,446 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-11-25 00:06:45,453 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-25 00:06:45,527 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem33 could not be translated [2023-11-25 00:06:45,529 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem33 could not be translated [2023-11-25 00:06:45,530 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem34 could not be translated [2023-11-25 00:06:45,531 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem34 could not be translated [2023-11-25 00:06:45,531 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem36 could not be translated [2023-11-25 00:06:45,534 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem36 could not be translated [2023-11-25 00:06:45,540 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem37 could not be translated [2023-11-25 00:06:45,541 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem37 could not be translated [2023-11-25 00:06:45,541 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem40 could not be translated [2023-11-25 00:06:45,541 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short45 could not be translated [2023-11-25 00:06:45,542 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem39 could not be translated [2023-11-25 00:06:45,542 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem42 could not be translated [2023-11-25 00:06:45,542 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short41 could not be translated [2023-11-25 00:06:45,542 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short44 could not be translated [2023-11-25 00:06:45,542 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem43 could not be translated [2023-11-25 00:06:45,543 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem40 could not be translated [2023-11-25 00:06:45,543 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short45 could not be translated [2023-11-25 00:06:45,543 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem39 could not be translated [2023-11-25 00:06:45,544 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem43 could not be translated [2023-11-25 00:06:45,544 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short44 could not be translated [2023-11-25 00:06:45,544 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem42 could not be translated [2023-11-25 00:06:45,544 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short41 could not be translated [2023-11-25 00:06:45,545 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem47 could not be translated [2023-11-25 00:06:45,545 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem47 could not be translated [2023-11-25 00:06:45,546 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem48 could not be translated [2023-11-25 00:06:45,546 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem48 could not be translated [2023-11-25 00:06:45,547 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem50 could not be translated [2023-11-25 00:06:45,547 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem50 could not be translated [2023-11-25 00:06:45,548 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem51 could not be translated [2023-11-25 00:06:45,549 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem51 could not be translated [2023-11-25 00:06:45,549 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem52 could not be translated [2023-11-25 00:06:45,549 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem52 could not be translated [2023-11-25 00:06:45,550 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem54 could not be translated [2023-11-25 00:06:45,553 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem54 could not be translated [2023-11-25 00:06:45,554 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem55 could not be translated [2023-11-25 00:06:45,559 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem55 could not be translated [2023-11-25 00:06:45,562 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem57 could not be translated [2023-11-25 00:06:45,564 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem57 could not be translated [2023-11-25 00:06:45,565 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem58 could not be translated [2023-11-25 00:06:45,567 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem58 could not be translated [2023-11-25 00:06:45,601 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.11 12:06:45 BoogieIcfgContainer [2023-11-25 00:06:45,601 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-25 00:06:45,603 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-25 00:06:45,603 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-25 00:06:45,604 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-25 00:06:45,604 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 12:06:42" (3/4) ... [2023-11-25 00:06:45,609 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-25 00:06:45,610 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-25 00:06:45,611 INFO L158 Benchmark]: Toolchain (without parser) took 5034.48ms. Allocated memory was 119.5MB in the beginning and 209.7MB in the end (delta: 90.2MB). Free memory was 83.5MB in the beginning and 113.0MB in the end (delta: -29.5MB). Peak memory consumption was 62.0MB. Max. memory is 16.1GB. [2023-11-25 00:06:45,612 INFO L158 Benchmark]: CDTParser took 0.34ms. Allocated memory is still 119.5MB. Free memory is still 66.9MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-25 00:06:45,613 INFO L158 Benchmark]: CACSL2BoogieTranslator took 386.95ms. Allocated memory is still 119.5MB. Free memory was 83.2MB in the beginning and 68.8MB in the end (delta: 14.4MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-25 00:06:45,614 INFO L158 Benchmark]: Boogie Procedure Inliner took 73.97ms. Allocated memory is still 119.5MB. Free memory was 68.8MB in the beginning and 65.5MB in the end (delta: 3.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-25 00:06:45,616 INFO L158 Benchmark]: Boogie Preprocessor took 81.45ms. Allocated memory is still 119.5MB. Free memory was 65.2MB in the beginning and 62.5MB in the end (delta: 2.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-25 00:06:45,620 INFO L158 Benchmark]: RCFGBuilder took 1343.61ms. Allocated memory was 119.5MB in the beginning and 172.0MB in the end (delta: 52.4MB). Free memory was 62.2MB in the beginning and 68.0MB in the end (delta: -5.8MB). Peak memory consumption was 52.5MB. Max. memory is 16.1GB. [2023-11-25 00:06:45,622 INFO L158 Benchmark]: TraceAbstraction took 3130.66ms. Allocated memory was 172.0MB in the beginning and 209.7MB in the end (delta: 37.7MB). Free memory was 68.0MB in the beginning and 114.0MB in the end (delta: -46.0MB). Peak memory consumption was 55.7MB. Max. memory is 16.1GB. [2023-11-25 00:06:45,622 INFO L158 Benchmark]: Witness Printer took 6.87ms. Allocated memory is still 209.7MB. Free memory was 114.0MB in the beginning and 113.0MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-25 00:06:45,630 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34ms. Allocated memory is still 119.5MB. Free memory is still 66.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 386.95ms. Allocated memory is still 119.5MB. Free memory was 83.2MB in the beginning and 68.8MB in the end (delta: 14.4MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 73.97ms. Allocated memory is still 119.5MB. Free memory was 68.8MB in the beginning and 65.5MB in the end (delta: 3.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 81.45ms. Allocated memory is still 119.5MB. Free memory was 65.2MB in the beginning and 62.5MB in the end (delta: 2.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 1343.61ms. Allocated memory was 119.5MB in the beginning and 172.0MB in the end (delta: 52.4MB). Free memory was 62.2MB in the beginning and 68.0MB in the end (delta: -5.8MB). Peak memory consumption was 52.5MB. Max. memory is 16.1GB. * TraceAbstraction took 3130.66ms. Allocated memory was 172.0MB in the beginning and 209.7MB in the end (delta: 37.7MB). Free memory was 68.0MB in the beginning and 114.0MB in the end (delta: -46.0MB). Peak memory consumption was 55.7MB. Max. memory is 16.1GB. * Witness Printer took 6.87ms. Allocated memory is still 209.7MB. Free memory was 114.0MB in the beginning and 113.0MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem33 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem33 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem34 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem34 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem36 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem36 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem37 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem37 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem40 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short45 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem39 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem42 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short41 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short44 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem43 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem40 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short45 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem39 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem43 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short44 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem42 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short41 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~mem48 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem48 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem50 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem50 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem51 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem51 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem52 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem52 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem54 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem54 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem55 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem55 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem57 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem57 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem58 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem58 could not be translated - GenericResult: Unfinished Backtranslation 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 someBinaryDOUBLEComparisonOperation at line 48, overapproximation of someBinaryArithmeticDOUBLEoperation at line 47. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22-L24] unsigned char BOOL_unsigned_char_Array_0[2] = { 0, 0 }; [L25-L27] double double_Array_0[2] = { 8.5, 999999999999.6 }; [L28-L30] signed char signed_char_Array_0[2][2] = { {5, -8}, {-1, -16} }; [L31-L33] signed long int signed_long_int_Array_0[1] = { 10 }; [L34-L36] unsigned char unsigned_char_Array_0[2] = { 16, 64 }; [L37-L39] unsigned short int unsigned_short_int_Array_0[1] = { 2 }; [L40] signed char last_1_signed_char_Array_0_1__1_ = -16; [L105] isInitial = 1 [L106] FCALL initially() [L107] COND TRUE 1 [L108] CALL updateLastVariables() [L98] EXPR signed_char_Array_0[1][1] [L98] last_1_signed_char_Array_0_1__1_ = signed_char_Array_0[1][1] [L108] RET updateLastVariables() [L109] CALL updateVariables() [L75] BOOL_unsigned_char_Array_0[0] = __VERIFIER_nondet_uchar() [L76] EXPR BOOL_unsigned_char_Array_0[0] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_signed_char_Array_0_1__1_=-16, signed_char_Array_0={6:0}, signed_long_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L76] CALL assume_abort_if_not(BOOL_unsigned_char_Array_0[0] >= 0) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, isInitial=1, last_1_signed_char_Array_0_1__1_=-16, signed_char_Array_0={6:0}, signed_long_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L20] COND FALSE !(!cond) [L76] RET assume_abort_if_not(BOOL_unsigned_char_Array_0[0] >= 0) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_signed_char_Array_0_1__1_=-16, signed_char_Array_0={6:0}, signed_long_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L77] EXPR BOOL_unsigned_char_Array_0[0] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_signed_char_Array_0_1__1_=-16, signed_char_Array_0={6:0}, signed_long_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L77] CALL assume_abort_if_not(BOOL_unsigned_char_Array_0[0] <= 1) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, isInitial=1, last_1_signed_char_Array_0_1__1_=-16, signed_char_Array_0={6:0}, signed_long_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L20] COND FALSE !(!cond) [L77] RET assume_abort_if_not(BOOL_unsigned_char_Array_0[0] <= 1) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_signed_char_Array_0_1__1_=-16, signed_char_Array_0={6:0}, signed_long_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L78] BOOL_unsigned_char_Array_0[1] = __VERIFIER_nondet_uchar() [L79] EXPR BOOL_unsigned_char_Array_0[1] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_signed_char_Array_0_1__1_=-16, signed_char_Array_0={6:0}, signed_long_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L79] CALL assume_abort_if_not(BOOL_unsigned_char_Array_0[1] >= 0) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, isInitial=1, last_1_signed_char_Array_0_1__1_=-16, signed_char_Array_0={6:0}, signed_long_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L20] COND FALSE !(!cond) [L79] RET assume_abort_if_not(BOOL_unsigned_char_Array_0[1] >= 0) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_signed_char_Array_0_1__1_=-16, signed_char_Array_0={6:0}, signed_long_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L80] EXPR BOOL_unsigned_char_Array_0[1] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_signed_char_Array_0_1__1_=-16, signed_char_Array_0={6:0}, signed_long_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L80] CALL assume_abort_if_not(BOOL_unsigned_char_Array_0[1] <= 1) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, isInitial=1, last_1_signed_char_Array_0_1__1_=-16, signed_char_Array_0={6:0}, signed_long_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L20] COND FALSE !(!cond) [L80] RET assume_abort_if_not(BOOL_unsigned_char_Array_0[1] <= 1) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_signed_char_Array_0_1__1_=-16, signed_char_Array_0={6:0}, signed_long_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L81] double_Array_0[1] = __VERIFIER_nondet_double() [L82] EXPR double_Array_0[1] [L82] EXPR double_Array_0[1] >= 0.0F && double_Array_0[1] <= -1.0e-20F [L82] EXPR (double_Array_0[1] >= 0.0F && double_Array_0[1] <= -1.0e-20F) || (double_Array_0[1] <= 9223372.036854765600e+12F && double_Array_0[1] >= 1.0e-20F ) [L82] EXPR double_Array_0[1] [L82] EXPR double_Array_0[1] <= 9223372.036854765600e+12F && double_Array_0[1] >= 1.0e-20F [L82] EXPR double_Array_0[1] [L82] EXPR double_Array_0[1] <= 9223372.036854765600e+12F && double_Array_0[1] >= 1.0e-20F [L82] EXPR (double_Array_0[1] >= 0.0F && double_Array_0[1] <= -1.0e-20F) || (double_Array_0[1] <= 9223372.036854765600e+12F && double_Array_0[1] >= 1.0e-20F ) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_signed_char_Array_0_1__1_=-16, signed_char_Array_0={6:0}, signed_long_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L82] CALL assume_abort_if_not((double_Array_0[1] >= 0.0F && double_Array_0[1] <= -1.0e-20F) || (double_Array_0[1] <= 9223372.036854765600e+12F && double_Array_0[1] >= 1.0e-20F )) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, isInitial=1, last_1_signed_char_Array_0_1__1_=-16, signed_char_Array_0={6:0}, signed_long_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L20] COND FALSE !(!cond) [L82] RET assume_abort_if_not((double_Array_0[1] >= 0.0F && double_Array_0[1] <= -1.0e-20F) || (double_Array_0[1] <= 9223372.036854765600e+12F && double_Array_0[1] >= 1.0e-20F )) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_signed_char_Array_0_1__1_=-16, signed_char_Array_0={6:0}, signed_long_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L83] signed_char_Array_0[0][0] = __VERIFIER_nondet_char() [L84] EXPR signed_char_Array_0[0][0] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_signed_char_Array_0_1__1_=-16, signed_char_Array_0={6:0}, signed_long_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L84] CALL assume_abort_if_not(signed_char_Array_0[0][0] >= -63) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, isInitial=1, last_1_signed_char_Array_0_1__1_=-16, signed_char_Array_0={6:0}, signed_long_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L20] COND FALSE !(!cond) [L84] RET assume_abort_if_not(signed_char_Array_0[0][0] >= -63) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_signed_char_Array_0_1__1_=-16, signed_char_Array_0={6:0}, signed_long_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L85] EXPR signed_char_Array_0[0][0] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_signed_char_Array_0_1__1_=-16, signed_char_Array_0={6:0}, signed_long_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L85] CALL assume_abort_if_not(signed_char_Array_0[0][0] <= 63) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, isInitial=1, last_1_signed_char_Array_0_1__1_=-16, signed_char_Array_0={6:0}, signed_long_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L20] COND FALSE !(!cond) [L85] RET assume_abort_if_not(signed_char_Array_0[0][0] <= 63) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_signed_char_Array_0_1__1_=-16, signed_char_Array_0={6:0}, signed_long_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L86] signed_char_Array_0[1][0] = __VERIFIER_nondet_char() [L87] EXPR signed_char_Array_0[1][0] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_signed_char_Array_0_1__1_=-16, signed_char_Array_0={6:0}, signed_long_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L87] CALL assume_abort_if_not(signed_char_Array_0[1][0] >= -128) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, isInitial=1, last_1_signed_char_Array_0_1__1_=-16, signed_char_Array_0={6:0}, signed_long_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L20] COND FALSE !(!cond) [L87] RET assume_abort_if_not(signed_char_Array_0[1][0] >= -128) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_signed_char_Array_0_1__1_=-16, signed_char_Array_0={6:0}, signed_long_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L88] EXPR signed_char_Array_0[1][0] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_signed_char_Array_0_1__1_=-16, signed_char_Array_0={6:0}, signed_long_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L88] CALL assume_abort_if_not(signed_char_Array_0[1][0] <= 127) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, isInitial=1, last_1_signed_char_Array_0_1__1_=-16, signed_char_Array_0={6:0}, signed_long_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L20] COND FALSE !(!cond) [L88] RET assume_abort_if_not(signed_char_Array_0[1][0] <= 127) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_signed_char_Array_0_1__1_=-16, signed_char_Array_0={6:0}, signed_long_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L89] EXPR signed_char_Array_0[1][0] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_signed_char_Array_0_1__1_=-16, signed_char_Array_0={6:0}, signed_long_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L89] CALL assume_abort_if_not(signed_char_Array_0[1][0] != 0) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, isInitial=1, last_1_signed_char_Array_0_1__1_=-16, signed_char_Array_0={6:0}, signed_long_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L20] COND FALSE !(!cond) [L89] RET assume_abort_if_not(signed_char_Array_0[1][0] != 0) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_signed_char_Array_0_1__1_=-16, signed_char_Array_0={6:0}, signed_long_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L90] signed_char_Array_0[0][1] = __VERIFIER_nondet_char() [L91] EXPR signed_char_Array_0[0][1] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_signed_char_Array_0_1__1_=-16, signed_char_Array_0={6:0}, signed_long_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L91] CALL assume_abort_if_not(signed_char_Array_0[0][1] >= -31) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, isInitial=1, last_1_signed_char_Array_0_1__1_=-16, signed_char_Array_0={6:0}, signed_long_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L20] COND FALSE !(!cond) [L91] RET assume_abort_if_not(signed_char_Array_0[0][1] >= -31) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_signed_char_Array_0_1__1_=-16, signed_char_Array_0={6:0}, signed_long_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L92] EXPR signed_char_Array_0[0][1] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_signed_char_Array_0_1__1_=-16, signed_char_Array_0={6:0}, signed_long_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L92] CALL assume_abort_if_not(signed_char_Array_0[0][1] <= 31) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, isInitial=1, last_1_signed_char_Array_0_1__1_=-16, signed_char_Array_0={6:0}, signed_long_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L20] COND FALSE !(!cond) [L92] RET assume_abort_if_not(signed_char_Array_0[0][1] <= 31) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_signed_char_Array_0_1__1_=-16, signed_char_Array_0={6:0}, signed_long_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L93] unsigned_char_Array_0[1] = __VERIFIER_nondet_uchar() [L94] EXPR unsigned_char_Array_0[1] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_signed_char_Array_0_1__1_=-16, signed_char_Array_0={6:0}, signed_long_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L94] CALL assume_abort_if_not(unsigned_char_Array_0[1] >= 0) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, isInitial=1, last_1_signed_char_Array_0_1__1_=-16, signed_char_Array_0={6:0}, signed_long_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L20] COND FALSE !(!cond) [L94] RET assume_abort_if_not(unsigned_char_Array_0[1] >= 0) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_signed_char_Array_0_1__1_=-16, signed_char_Array_0={6:0}, signed_long_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L95] EXPR unsigned_char_Array_0[1] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_signed_char_Array_0_1__1_=-16, signed_char_Array_0={6:0}, signed_long_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L95] CALL assume_abort_if_not(unsigned_char_Array_0[1] <= 254) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, isInitial=1, last_1_signed_char_Array_0_1__1_=-16, signed_char_Array_0={6:0}, signed_long_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L20] COND FALSE !(!cond) [L95] RET assume_abort_if_not(unsigned_char_Array_0[1] <= 254) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_signed_char_Array_0_1__1_=-16, signed_char_Array_0={6:0}, signed_long_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L109] RET updateVariables() [L110] CALL step() [L44] EXPR BOOL_unsigned_char_Array_0[1] [L44] COND TRUE BOOL_unsigned_char_Array_0[1] && (last_1_signed_char_Array_0_1__1_ <= last_1_signed_char_Array_0_1__1_) [L45] EXPR unsigned_char_Array_0[1] [L45] unsigned_char_Array_0[0] = unsigned_char_Array_0[1] [L47] EXPR double_Array_0[1] [L47] double_Array_0[0] = (double_Array_0[1] - 8.3) [L48] EXPR double_Array_0[1] [L48] EXPR double_Array_0[0] [L48] unsigned char stepLocal_1 = double_Array_0[1] >= double_Array_0[0]; [L49] EXPR BOOL_unsigned_char_Array_0[1] [L49] COND FALSE !(BOOL_unsigned_char_Array_0[1] && stepLocal_1) [L52] EXPR signed_char_Array_0[1][0] [L52] signed_long_int_Array_0[0] = signed_char_Array_0[1][0] [L54] BOOL_unsigned_char_Array_0[1] [L54] COND TRUE BOOL_unsigned_char_Array_0[1] [L55] EXPR unsigned_char_Array_0[0] [L55] EXPR unsigned_char_Array_0[0] [L55] unsigned_short_int_Array_0[0] = (unsigned_char_Array_0[0] + unsigned_char_Array_0[0]) [L63] EXPR unsigned_short_int_Array_0[0] [L63] EXPR unsigned_char_Array_0[0] [L63] unsigned long int stepLocal_0 = (unsigned_short_int_Array_0[0] & 0u) * unsigned_char_Array_0[0]; [L64] EXPR unsigned_short_int_Array_0[0] [L64] COND FALSE !(stepLocal_0 > unsigned_short_int_Array_0[0]) [L71] EXPR signed_char_Array_0[0][1] [L71] signed_char_Array_0[1][1] = signed_char_Array_0[0][1] [L110] RET step() [L111] CALL, EXPR property() [L101] EXPR unsigned_short_int_Array_0[0] [L101] EXPR unsigned_char_Array_0[0] [L101] EXPR unsigned_short_int_Array_0[0] [L101] EXPR (((unsigned_short_int_Array_0[0] & 0u) * unsigned_char_Array_0[0]) > unsigned_short_int_Array_0[0]) ? (BOOL_unsigned_char_Array_0[1] ? (signed_char_Array_0[1][1] == ((signed char) ((16 + signed_char_Array_0[0][1]) + signed_char_Array_0[0][0]))) : (signed_char_Array_0[1][1] == ((signed char) ((((signed_char_Array_0[0][1]) < 0 ) ? -(signed_char_Array_0[0][1]) : (signed_char_Array_0[0][1])))))) : (signed_char_Array_0[1][1] == ((signed char) signed_char_Array_0[0][1])) [L101] EXPR signed_char_Array_0[1][1] [L101] EXPR signed_char_Array_0[0][1] [L101] EXPR (((unsigned_short_int_Array_0[0] & 0u) * unsigned_char_Array_0[0]) > unsigned_short_int_Array_0[0]) ? (BOOL_unsigned_char_Array_0[1] ? (signed_char_Array_0[1][1] == ((signed char) ((16 + signed_char_Array_0[0][1]) + signed_char_Array_0[0][0]))) : (signed_char_Array_0[1][1] == ((signed char) ((((signed_char_Array_0[0][1]) < 0 ) ? -(signed_char_Array_0[0][1]) : (signed_char_Array_0[0][1])))))) : (signed_char_Array_0[1][1] == ((signed char) signed_char_Array_0[0][1])) [L101] EXPR ((((unsigned_short_int_Array_0[0] & 0u) * unsigned_char_Array_0[0]) > unsigned_short_int_Array_0[0]) ? (BOOL_unsigned_char_Array_0[1] ? (signed_char_Array_0[1][1] == ((signed char) ((16 + signed_char_Array_0[0][1]) + signed_char_Array_0[0][0]))) : (signed_char_Array_0[1][1] == ((signed char) ((((signed_char_Array_0[0][1]) < 0 ) ? -(signed_char_Array_0[0][1]) : (signed_char_Array_0[0][1])))))) : (signed_char_Array_0[1][1] == ((signed char) signed_char_Array_0[0][1]))) && (BOOL_unsigned_char_Array_0[1] ? (unsigned_short_int_Array_0[0] == ((unsigned short int) (unsigned_char_Array_0[0] + unsigned_char_Array_0[0]))) : (((unsigned_char_Array_0[0] > signed_long_int_Array_0[0]) || BOOL_unsigned_char_Array_0[0]) ? (unsigned_short_int_Array_0[0] == ((unsigned short int) unsigned_char_Array_0[0])) : (unsigned_short_int_Array_0[0] == ((unsigned short int) unsigned_char_Array_0[0])))) [L101] EXPR BOOL_unsigned_char_Array_0[1] [L101] EXPR BOOL_unsigned_char_Array_0[1] ? (unsigned_short_int_Array_0[0] == ((unsigned short int) (unsigned_char_Array_0[0] + unsigned_char_Array_0[0]))) : (((unsigned_char_Array_0[0] > signed_long_int_Array_0[0]) || BOOL_unsigned_char_Array_0[0]) ? (unsigned_short_int_Array_0[0] == ((unsigned short int) unsigned_char_Array_0[0])) : (unsigned_short_int_Array_0[0] == ((unsigned short int) unsigned_char_Array_0[0]))) [L101] EXPR unsigned_short_int_Array_0[0] [L101] EXPR unsigned_char_Array_0[0] [L101] EXPR unsigned_char_Array_0[0] [L101] EXPR BOOL_unsigned_char_Array_0[1] ? (unsigned_short_int_Array_0[0] == ((unsigned short int) (unsigned_char_Array_0[0] + unsigned_char_Array_0[0]))) : (((unsigned_char_Array_0[0] > signed_long_int_Array_0[0]) || BOOL_unsigned_char_Array_0[0]) ? (unsigned_short_int_Array_0[0] == ((unsigned short int) unsigned_char_Array_0[0])) : (unsigned_short_int_Array_0[0] == ((unsigned short int) unsigned_char_Array_0[0]))) [L101] EXPR ((((unsigned_short_int_Array_0[0] & 0u) * unsigned_char_Array_0[0]) > unsigned_short_int_Array_0[0]) ? (BOOL_unsigned_char_Array_0[1] ? (signed_char_Array_0[1][1] == ((signed char) ((16 + signed_char_Array_0[0][1]) + signed_char_Array_0[0][0]))) : (signed_char_Array_0[1][1] == ((signed char) ((((signed_char_Array_0[0][1]) < 0 ) ? -(signed_char_Array_0[0][1]) : (signed_char_Array_0[0][1])))))) : (signed_char_Array_0[1][1] == ((signed char) signed_char_Array_0[0][1]))) && (BOOL_unsigned_char_Array_0[1] ? (unsigned_short_int_Array_0[0] == ((unsigned short int) (unsigned_char_Array_0[0] + unsigned_char_Array_0[0]))) : (((unsigned_char_Array_0[0] > signed_long_int_Array_0[0]) || BOOL_unsigned_char_Array_0[0]) ? (unsigned_short_int_Array_0[0] == ((unsigned short int) unsigned_char_Array_0[0])) : (unsigned_short_int_Array_0[0] == ((unsigned short int) unsigned_char_Array_0[0])))) [L101] EXPR (((((unsigned_short_int_Array_0[0] & 0u) * unsigned_char_Array_0[0]) > unsigned_short_int_Array_0[0]) ? (BOOL_unsigned_char_Array_0[1] ? (signed_char_Array_0[1][1] == ((signed char) ((16 + signed_char_Array_0[0][1]) + signed_char_Array_0[0][0]))) : (signed_char_Array_0[1][1] == ((signed char) ((((signed_char_Array_0[0][1]) < 0 ) ? -(signed_char_Array_0[0][1]) : (signed_char_Array_0[0][1])))))) : (signed_char_Array_0[1][1] == ((signed char) signed_char_Array_0[0][1]))) && (BOOL_unsigned_char_Array_0[1] ? (unsigned_short_int_Array_0[0] == ((unsigned short int) (unsigned_char_Array_0[0] + unsigned_char_Array_0[0]))) : (((unsigned_char_Array_0[0] > signed_long_int_Array_0[0]) || BOOL_unsigned_char_Array_0[0]) ? (unsigned_short_int_Array_0[0] == ((unsigned short int) unsigned_char_Array_0[0])) : (unsigned_short_int_Array_0[0] == ((unsigned short int) unsigned_char_Array_0[0]))))) && (double_Array_0[0] == ((double) (double_Array_0[1] - 8.3))) [L101] EXPR double_Array_0[0] [L101] EXPR double_Array_0[1] [L101] EXPR (((((unsigned_short_int_Array_0[0] & 0u) * unsigned_char_Array_0[0]) > unsigned_short_int_Array_0[0]) ? (BOOL_unsigned_char_Array_0[1] ? (signed_char_Array_0[1][1] == ((signed char) ((16 + signed_char_Array_0[0][1]) + signed_char_Array_0[0][0]))) : (signed_char_Array_0[1][1] == ((signed char) ((((signed_char_Array_0[0][1]) < 0 ) ? -(signed_char_Array_0[0][1]) : (signed_char_Array_0[0][1])))))) : (signed_char_Array_0[1][1] == ((signed char) signed_char_Array_0[0][1]))) && (BOOL_unsigned_char_Array_0[1] ? (unsigned_short_int_Array_0[0] == ((unsigned short int) (unsigned_char_Array_0[0] + unsigned_char_Array_0[0]))) : (((unsigned_char_Array_0[0] > signed_long_int_Array_0[0]) || BOOL_unsigned_char_Array_0[0]) ? (unsigned_short_int_Array_0[0] == ((unsigned short int) unsigned_char_Array_0[0])) : (unsigned_short_int_Array_0[0] == ((unsigned short int) unsigned_char_Array_0[0]))))) && (double_Array_0[0] == ((double) (double_Array_0[1] - 8.3))) [L101] EXPR ((((((unsigned_short_int_Array_0[0] & 0u) * unsigned_char_Array_0[0]) > unsigned_short_int_Array_0[0]) ? (BOOL_unsigned_char_Array_0[1] ? (signed_char_Array_0[1][1] == ((signed char) ((16 + signed_char_Array_0[0][1]) + signed_char_Array_0[0][0]))) : (signed_char_Array_0[1][1] == ((signed char) ((((signed_char_Array_0[0][1]) < 0 ) ? -(signed_char_Array_0[0][1]) : (signed_char_Array_0[0][1])))))) : (signed_char_Array_0[1][1] == ((signed char) signed_char_Array_0[0][1]))) && (BOOL_unsigned_char_Array_0[1] ? (unsigned_short_int_Array_0[0] == ((unsigned short int) (unsigned_char_Array_0[0] + unsigned_char_Array_0[0]))) : (((unsigned_char_Array_0[0] > signed_long_int_Array_0[0]) || BOOL_unsigned_char_Array_0[0]) ? (unsigned_short_int_Array_0[0] == ((unsigned short int) unsigned_char_Array_0[0])) : (unsigned_short_int_Array_0[0] == ((unsigned short int) unsigned_char_Array_0[0]))))) && (double_Array_0[0] == ((double) (double_Array_0[1] - 8.3)))) && ((BOOL_unsigned_char_Array_0[1] && (double_Array_0[1] >= double_Array_0[0])) ? (signed_long_int_Array_0[0] == ((signed long int) unsigned_char_Array_0[0])) : (signed_long_int_Array_0[0] == ((signed long int) signed_char_Array_0[1][0]))) [L101] EXPR BOOL_unsigned_char_Array_0[1] [L101] EXPR BOOL_unsigned_char_Array_0[1] && (double_Array_0[1] >= double_Array_0[0]) [L101] EXPR double_Array_0[1] [L101] EXPR double_Array_0[0] [L101] EXPR BOOL_unsigned_char_Array_0[1] && (double_Array_0[1] >= double_Array_0[0]) [L101] EXPR (BOOL_unsigned_char_Array_0[1] && (double_Array_0[1] >= double_Array_0[0])) ? (signed_long_int_Array_0[0] == ((signed long int) unsigned_char_Array_0[0])) : (signed_long_int_Array_0[0] == ((signed long int) signed_char_Array_0[1][0])) [L101] EXPR signed_long_int_Array_0[0] [L101] EXPR unsigned_char_Array_0[0] [L101] EXPR (BOOL_unsigned_char_Array_0[1] && (double_Array_0[1] >= double_Array_0[0])) ? (signed_long_int_Array_0[0] == ((signed long int) unsigned_char_Array_0[0])) : (signed_long_int_Array_0[0] == ((signed long int) signed_char_Array_0[1][0])) [L101] EXPR ((((((unsigned_short_int_Array_0[0] & 0u) * unsigned_char_Array_0[0]) > unsigned_short_int_Array_0[0]) ? (BOOL_unsigned_char_Array_0[1] ? (signed_char_Array_0[1][1] == ((signed char) ((16 + signed_char_Array_0[0][1]) + signed_char_Array_0[0][0]))) : (signed_char_Array_0[1][1] == ((signed char) ((((signed_char_Array_0[0][1]) < 0 ) ? -(signed_char_Array_0[0][1]) : (signed_char_Array_0[0][1])))))) : (signed_char_Array_0[1][1] == ((signed char) signed_char_Array_0[0][1]))) && (BOOL_unsigned_char_Array_0[1] ? (unsigned_short_int_Array_0[0] == ((unsigned short int) (unsigned_char_Array_0[0] + unsigned_char_Array_0[0]))) : (((unsigned_char_Array_0[0] > signed_long_int_Array_0[0]) || BOOL_unsigned_char_Array_0[0]) ? (unsigned_short_int_Array_0[0] == ((unsigned short int) unsigned_char_Array_0[0])) : (unsigned_short_int_Array_0[0] == ((unsigned short int) unsigned_char_Array_0[0]))))) && (double_Array_0[0] == ((double) (double_Array_0[1] - 8.3)))) && ((BOOL_unsigned_char_Array_0[1] && (double_Array_0[1] >= double_Array_0[0])) ? (signed_long_int_Array_0[0] == ((signed long int) unsigned_char_Array_0[0])) : (signed_long_int_Array_0[0] == ((signed long int) signed_char_Array_0[1][0]))) [L101] EXPR (((((((unsigned_short_int_Array_0[0] & 0u) * unsigned_char_Array_0[0]) > unsigned_short_int_Array_0[0]) ? (BOOL_unsigned_char_Array_0[1] ? (signed_char_Array_0[1][1] == ((signed char) ((16 + signed_char_Array_0[0][1]) + signed_char_Array_0[0][0]))) : (signed_char_Array_0[1][1] == ((signed char) ((((signed_char_Array_0[0][1]) < 0 ) ? -(signed_char_Array_0[0][1]) : (signed_char_Array_0[0][1])))))) : (signed_char_Array_0[1][1] == ((signed char) signed_char_Array_0[0][1]))) && (BOOL_unsigned_char_Array_0[1] ? (unsigned_short_int_Array_0[0] == ((unsigned short int) (unsigned_char_Array_0[0] + unsigned_char_Array_0[0]))) : (((unsigned_char_Array_0[0] > signed_long_int_Array_0[0]) || BOOL_unsigned_char_Array_0[0]) ? (unsigned_short_int_Array_0[0] == ((unsigned short int) unsigned_char_Array_0[0])) : (unsigned_short_int_Array_0[0] == ((unsigned short int) unsigned_char_Array_0[0]))))) && (double_Array_0[0] == ((double) (double_Array_0[1] - 8.3)))) && ((BOOL_unsigned_char_Array_0[1] && (double_Array_0[1] >= double_Array_0[0])) ? (signed_long_int_Array_0[0] == ((signed long int) unsigned_char_Array_0[0])) : (signed_long_int_Array_0[0] == ((signed long int) signed_char_Array_0[1][0])))) && ((BOOL_unsigned_char_Array_0[1] && (last_1_signed_char_Array_0_1__1_ <= last_1_signed_char_Array_0_1__1_)) ? (unsigned_char_Array_0[0] == ((unsigned char) unsigned_char_Array_0[1])) : 1) [L101-L102] return (((((((unsigned_short_int_Array_0[0] & 0u) * unsigned_char_Array_0[0]) > unsigned_short_int_Array_0[0]) ? (BOOL_unsigned_char_Array_0[1] ? (signed_char_Array_0[1][1] == ((signed char) ((16 + signed_char_Array_0[0][1]) + signed_char_Array_0[0][0]))) : (signed_char_Array_0[1][1] == ((signed char) ((((signed_char_Array_0[0][1]) < 0 ) ? -(signed_char_Array_0[0][1]) : (signed_char_Array_0[0][1])))))) : (signed_char_Array_0[1][1] == ((signed char) signed_char_Array_0[0][1]))) && (BOOL_unsigned_char_Array_0[1] ? (unsigned_short_int_Array_0[0] == ((unsigned short int) (unsigned_char_Array_0[0] + unsigned_char_Array_0[0]))) : (((unsigned_char_Array_0[0] > signed_long_int_Array_0[0]) || BOOL_unsigned_char_Array_0[0]) ? (unsigned_short_int_Array_0[0] == ((unsigned short int) unsigned_char_Array_0[0])) : (unsigned_short_int_Array_0[0] == ((unsigned short int) unsigned_char_Array_0[0]))))) && (double_Array_0[0] == ((double) (double_Array_0[1] - 8.3)))) && ((BOOL_unsigned_char_Array_0[1] && (double_Array_0[1] >= double_Array_0[0])) ? (signed_long_int_Array_0[0] == ((signed long int) unsigned_char_Array_0[0])) : (signed_long_int_Array_0[0] == ((signed long int) signed_char_Array_0[1][0])))) && ((BOOL_unsigned_char_Array_0[1] && (last_1_signed_char_Array_0_1__1_ <= last_1_signed_char_Array_0_1__1_)) ? (unsigned_char_Array_0[0] == ((unsigned char) unsigned_char_Array_0[1])) : 1) ; [L111] RET, EXPR property() [L111] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=0, cond=0, double_Array_0={5:0}, isInitial=1, last_1_signed_char_Array_0_1__1_=-16, signed_char_Array_0={6:0}, signed_long_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L19] reach_error() VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=0, cond=0, double_Array_0={5:0}, isInitial=1, last_1_signed_char_Array_0_1__1_=-16, signed_char_Array_0={6:0}, signed_long_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 37 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 2.9s, OverallIterations: 1, TraceHistogramMax: 14, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=37occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 1.7s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 60 NumberOfCodeBlocks, 60 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-11-25 00:06:45,665 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f4d984d-da96-49d3-9ae8-a7210135739e/bin/utaipan-verify-SwPr7d2a91/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_9f4d984d-da96-49d3-9ae8-a7210135739e/bin/utaipan-verify-SwPr7d2a91/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f4d984d-da96-49d3-9ae8-a7210135739e/bin/utaipan-verify-SwPr7d2a91/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f4d984d-da96-49d3-9ae8-a7210135739e/bin/utaipan-verify-SwPr7d2a91/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f4d984d-da96-49d3-9ae8-a7210135739e/bin/utaipan-verify-SwPr7d2a91/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-41.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f4d984d-da96-49d3-9ae8-a7210135739e/bin/utaipan-verify-SwPr7d2a91/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f4d984d-da96-49d3-9ae8-a7210135739e/bin/utaipan-verify-SwPr7d2a91 --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 5500c8c7193dc6037ea6a3bb34476f6fde8daaea8a8ab7a630cc148614b2e159 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-25 00:06:48,359 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-25 00:06:48,491 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f4d984d-da96-49d3-9ae8-a7210135739e/bin/utaipan-verify-SwPr7d2a91/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2023-11-25 00:06:48,500 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-25 00:06:48,501 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-25 00:06:48,542 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-25 00:06:48,543 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-25 00:06:48,544 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-25 00:06:48,544 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-25 00:06:48,549 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-25 00:06:48,550 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-25 00:06:48,550 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-25 00:06:48,551 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-25 00:06:48,552 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-25 00:06:48,553 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-25 00:06:48,553 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-25 00:06:48,554 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-25 00:06:48,555 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-25 00:06:48,555 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-25 00:06:48,556 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-25 00:06:48,557 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-25 00:06:48,557 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-25 00:06:48,558 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-25 00:06:48,558 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-25 00:06:48,558 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-25 00:06:48,559 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-25 00:06:48,559 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-25 00:06:48,560 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-25 00:06:48,560 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-25 00:06:48,560 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-25 00:06:48,562 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-25 00:06:48,562 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-25 00:06:48,562 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-25 00:06:48,563 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-25 00:06:48,563 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-25 00:06:48,563 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-25 00:06:48,564 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-25 00:06:48,564 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-25 00:06:48,564 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-25 00:06:48,565 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-25 00:06:48,565 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-25 00:06:48,566 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-25 00:06:48,566 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-25 00:06:48,566 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-25 00:06:48,567 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_9f4d984d-da96-49d3-9ae8-a7210135739e/bin/utaipan-verify-SwPr7d2a91/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f4d984d-da96-49d3-9ae8-a7210135739e/bin/utaipan-verify-SwPr7d2a91 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5500c8c7193dc6037ea6a3bb34476f6fde8daaea8a8ab7a630cc148614b2e159 [2023-11-25 00:06:49,017 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-25 00:06:49,049 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-25 00:06:49,052 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-25 00:06:49,053 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-25 00:06:49,054 INFO L274 PluginConnector]: CDTParser initialized [2023-11-25 00:06:49,055 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f4d984d-da96-49d3-9ae8-a7210135739e/bin/utaipan-verify-SwPr7d2a91/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-41.i [2023-11-25 00:06:52,179 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-25 00:06:52,533 INFO L384 CDTParser]: Found 1 translation units. [2023-11-25 00:06:52,533 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f4d984d-da96-49d3-9ae8-a7210135739e/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-41.i [2023-11-25 00:06:52,542 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f4d984d-da96-49d3-9ae8-a7210135739e/bin/utaipan-verify-SwPr7d2a91/data/b6083812e/46310e6a7e2c4989accb022732474fa1/FLAG44dc76789 [2023-11-25 00:06:52,554 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f4d984d-da96-49d3-9ae8-a7210135739e/bin/utaipan-verify-SwPr7d2a91/data/b6083812e/46310e6a7e2c4989accb022732474fa1 [2023-11-25 00:06:52,557 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-25 00:06:52,558 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-25 00:06:52,560 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-25 00:06:52,560 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-25 00:06:52,566 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-25 00:06:52,567 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 12:06:52" (1/1) ... [2023-11-25 00:06:52,568 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@49a8d9c0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:06:52, skipping insertion in model container [2023-11-25 00:06:52,568 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 12:06:52" (1/1) ... [2023-11-25 00:06:52,604 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-25 00:06:52,753 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_9f4d984d-da96-49d3-9ae8-a7210135739e/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-41.i[916,929] [2023-11-25 00:06:52,814 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-25 00:06:52,830 INFO L202 MainTranslator]: Completed pre-run [2023-11-25 00:06:52,859 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_9f4d984d-da96-49d3-9ae8-a7210135739e/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-41.i[916,929] [2023-11-25 00:06:52,932 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-25 00:06:52,980 INFO L206 MainTranslator]: Completed translation [2023-11-25 00:06:52,981 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:06:52 WrapperNode [2023-11-25 00:06:52,981 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-25 00:06:52,982 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-25 00:06:52,983 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-25 00:06:52,983 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-25 00:06:52,991 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:06:52" (1/1) ... [2023-11-25 00:06:53,022 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:06:52" (1/1) ... [2023-11-25 00:06:53,077 INFO L138 Inliner]: procedures = 36, calls = 142, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 354 [2023-11-25 00:06:53,079 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-25 00:06:53,080 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-25 00:06:53,081 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-25 00:06:53,081 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-25 00:06:53,090 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:06:52" (1/1) ... [2023-11-25 00:06:53,109 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:06:52" (1/1) ... [2023-11-25 00:06:53,136 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:06:52" (1/1) ... [2023-11-25 00:06:53,143 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:06:52" (1/1) ... [2023-11-25 00:06:53,202 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:06:52" (1/1) ... [2023-11-25 00:06:53,215 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:06:52" (1/1) ... [2023-11-25 00:06:53,219 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:06:52" (1/1) ... [2023-11-25 00:06:53,237 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:06:52" (1/1) ... [2023-11-25 00:06:53,243 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-25 00:06:53,244 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-25 00:06:53,244 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-25 00:06:53,245 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-25 00:06:53,246 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:06:52" (1/1) ... [2023-11-25 00:06:53,258 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-25 00:06:53,273 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f4d984d-da96-49d3-9ae8-a7210135739e/bin/utaipan-verify-SwPr7d2a91/z3 [2023-11-25 00:06:53,288 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f4d984d-da96-49d3-9ae8-a7210135739e/bin/utaipan-verify-SwPr7d2a91/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-25 00:06:53,319 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f4d984d-da96-49d3-9ae8-a7210135739e/bin/utaipan-verify-SwPr7d2a91/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-25 00:06:53,335 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-25 00:06:53,335 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8 [2023-11-25 00:06:53,335 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8 [2023-11-25 00:06:53,335 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2023-11-25 00:06:53,336 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2 [2023-11-25 00:06:53,336 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-25 00:06:53,336 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2023-11-25 00:06:53,338 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8 [2023-11-25 00:06:53,338 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-11-25 00:06:53,339 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2023-11-25 00:06:53,339 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-25 00:06:53,339 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-25 00:06:53,339 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-25 00:06:53,340 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-25 00:06:53,340 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2023-11-25 00:06:53,340 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2023-11-25 00:06:53,340 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-11-25 00:06:53,506 INFO L241 CfgBuilder]: Building ICFG [2023-11-25 00:06:53,517 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-25 00:06:54,489 INFO L282 CfgBuilder]: Performing block encoding [2023-11-25 00:06:54,577 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-25 00:06:54,581 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-25 00:06:54,582 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 12:06:54 BoogieIcfgContainer [2023-11-25 00:06:54,582 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-25 00:06:54,585 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-25 00:06:54,586 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-25 00:06:54,589 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-25 00:06:54,589 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.11 12:06:52" (1/3) ... [2023-11-25 00:06:54,590 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@57b45daf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 12:06:54, skipping insertion in model container [2023-11-25 00:06:54,591 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:06:52" (2/3) ... [2023-11-25 00:06:54,593 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@57b45daf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 12:06:54, skipping insertion in model container [2023-11-25 00:06:54,593 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 12:06:54" (3/3) ... [2023-11-25 00:06:54,594 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_wrapper-a_file-41.i [2023-11-25 00:06:54,614 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-25 00:06:54,614 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-25 00:06:54,678 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-25 00:06:54,686 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;@66396a6c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-25 00:06:54,687 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-25 00:06:54,693 INFO L276 IsEmpty]: Start isEmpty. Operand has 82 states, 65 states have (on average 1.4461538461538461) internal successors, (94), 66 states have internal predecessors, (94), 14 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2023-11-25 00:06:54,713 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2023-11-25 00:06:54,713 INFO L187 NwaCegarLoop]: Found error trace [2023-11-25 00:06:54,715 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-25 00:06:54,720 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-25 00:06:54,727 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-25 00:06:54,727 INFO L85 PathProgramCache]: Analyzing trace with hash -2062709140, now seen corresponding path program 1 times [2023-11-25 00:06:54,739 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-25 00:06:54,740 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1931992688] [2023-11-25 00:06:54,740 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-25 00:06:54,740 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 [2023-11-25 00:06:54,740 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f4d984d-da96-49d3-9ae8-a7210135739e/bin/utaipan-verify-SwPr7d2a91/mathsat [2023-11-25 00:06:54,741 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f4d984d-da96-49d3-9ae8-a7210135739e/bin/utaipan-verify-SwPr7d2a91/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) [2023-11-25 00:06:54,743 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f4d984d-da96-49d3-9ae8-a7210135739e/bin/utaipan-verify-SwPr7d2a91/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 [2023-11-25 00:06:55,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-25 00:06:55,229 INFO L262 TraceCheckSpWp]: Trace formula consists of 250 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-25 00:06:55,244 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-25 00:06:55,289 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 186 proven. 0 refuted. 0 times theorem prover too weak. 178 trivial. 0 not checked. [2023-11-25 00:06:55,289 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-25 00:06:55,290 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-25 00:06:55,290 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1931992688] [2023-11-25 00:06:55,291 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1931992688] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-25 00:06:55,291 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-25 00:06:55,291 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-25 00:06:55,293 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [307516596] [2023-11-25 00:06:55,294 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-25 00:06:55,299 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-25 00:06:55,299 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-25 00:06:55,342 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-25 00:06:55,343 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-25 00:06:55,346 INFO L87 Difference]: Start difference. First operand has 82 states, 65 states have (on average 1.4461538461538461) internal successors, (94), 66 states have internal predecessors, (94), 14 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) Second operand has 2 states, 2 states have (on average 23.0) internal successors, (46), 2 states have internal predecessors, (46), 2 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2023-11-25 00:06:55,423 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-25 00:06:55,423 INFO L93 Difference]: Finished difference Result 157 states and 250 transitions. [2023-11-25 00:06:55,425 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-25 00:06:55,426 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 23.0) internal successors, (46), 2 states have internal predecessors, (46), 2 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 109 [2023-11-25 00:06:55,426 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-25 00:06:55,436 INFO L225 Difference]: With dead ends: 157 [2023-11-25 00:06:55,436 INFO L226 Difference]: Without dead ends: 76 [2023-11-25 00:06:55,441 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 108 GetRequests, 108 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-25 00:06:55,445 INFO L413 NwaCegarLoop]: 106 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 106 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-25 00:06:55,447 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 106 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-25 00:06:55,464 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 76 states. [2023-11-25 00:06:55,499 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 76 to 76. [2023-11-25 00:06:55,501 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 76 states, 60 states have (on average 1.3666666666666667) internal successors, (82), 60 states have internal predecessors, (82), 14 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2023-11-25 00:06:55,506 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 76 states and 110 transitions. [2023-11-25 00:06:55,508 INFO L78 Accepts]: Start accepts. Automaton has 76 states and 110 transitions. Word has length 109 [2023-11-25 00:06:55,509 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-25 00:06:55,509 INFO L495 AbstractCegarLoop]: Abstraction has 76 states and 110 transitions. [2023-11-25 00:06:55,510 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 23.0) internal successors, (46), 2 states have internal predecessors, (46), 2 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2023-11-25 00:06:55,511 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 110 transitions. [2023-11-25 00:06:55,521 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2023-11-25 00:06:55,521 INFO L187 NwaCegarLoop]: Found error trace [2023-11-25 00:06:55,521 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-25 00:06:55,540 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f4d984d-da96-49d3-9ae8-a7210135739e/bin/utaipan-verify-SwPr7d2a91/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 [2023-11-25 00:06:55,736 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f4d984d-da96-49d3-9ae8-a7210135739e/bin/utaipan-verify-SwPr7d2a91/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 [2023-11-25 00:06:55,736 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-25 00:06:55,737 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-25 00:06:55,737 INFO L85 PathProgramCache]: Analyzing trace with hash 560358496, now seen corresponding path program 1 times [2023-11-25 00:06:55,738 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-25 00:06:55,738 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [555350279] [2023-11-25 00:06:55,738 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-25 00:06:55,738 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 [2023-11-25 00:06:55,739 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f4d984d-da96-49d3-9ae8-a7210135739e/bin/utaipan-verify-SwPr7d2a91/mathsat [2023-11-25 00:06:55,760 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f4d984d-da96-49d3-9ae8-a7210135739e/bin/utaipan-verify-SwPr7d2a91/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) [2023-11-25 00:06:55,796 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f4d984d-da96-49d3-9ae8-a7210135739e/bin/utaipan-verify-SwPr7d2a91/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 [2023-11-25 00:06:56,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-25 00:06:56,201 INFO L262 TraceCheckSpWp]: Trace formula consists of 250 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-25 00:06:56,207 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-25 00:06:56,288 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2023-11-25 00:06:56,288 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-25 00:06:56,288 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-25 00:06:56,289 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [555350279] [2023-11-25 00:06:56,289 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [555350279] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-25 00:06:56,290 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-25 00:06:56,290 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-25 00:06:56,294 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [36101406] [2023-11-25 00:06:56,294 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-25 00:06:56,298 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-25 00:06:56,298 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-25 00:06:56,300 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-25 00:06:56,301 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-25 00:06:56,302 INFO L87 Difference]: Start difference. First operand 76 states and 110 transitions. Second operand has 4 states, 4 states have (on average 10.5) internal successors, (42), 4 states have internal predecessors, (42), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2023-11-25 00:06:56,585 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-25 00:06:56,586 INFO L93 Difference]: Finished difference Result 173 states and 252 transitions. [2023-11-25 00:06:56,588 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-25 00:06:56,588 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 10.5) internal successors, (42), 4 states have internal predecessors, (42), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) Word has length 109 [2023-11-25 00:06:56,589 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-25 00:06:56,591 INFO L225 Difference]: With dead ends: 173 [2023-11-25 00:06:56,591 INFO L226 Difference]: Without dead ends: 98 [2023-11-25 00:06:56,592 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 109 GetRequests, 106 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-25 00:06:56,593 INFO L413 NwaCegarLoop]: 103 mSDtfsCounter, 45 mSDsluCounter, 214 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 45 SdHoareTripleChecker+Valid, 317 SdHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-25 00:06:56,594 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [45 Valid, 317 Invalid, 26 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-25 00:06:56,595 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 98 states. [2023-11-25 00:06:56,612 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 98 to 78. [2023-11-25 00:06:56,614 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 78 states, 62 states have (on average 1.3548387096774193) internal successors, (84), 62 states have internal predecessors, (84), 14 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2023-11-25 00:06:56,615 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 78 states and 112 transitions. [2023-11-25 00:06:56,616 INFO L78 Accepts]: Start accepts. Automaton has 78 states and 112 transitions. Word has length 109 [2023-11-25 00:06:56,620 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-25 00:06:56,622 INFO L495 AbstractCegarLoop]: Abstraction has 78 states and 112 transitions. [2023-11-25 00:06:56,622 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.5) internal successors, (42), 4 states have internal predecessors, (42), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2023-11-25 00:06:56,622 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 112 transitions. [2023-11-25 00:06:56,625 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2023-11-25 00:06:56,626 INFO L187 NwaCegarLoop]: Found error trace [2023-11-25 00:06:56,627 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-25 00:06:56,640 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f4d984d-da96-49d3-9ae8-a7210135739e/bin/utaipan-verify-SwPr7d2a91/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)] Ended with exit code 0 [2023-11-25 00:06:56,835 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f4d984d-da96-49d3-9ae8-a7210135739e/bin/utaipan-verify-SwPr7d2a91/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 [2023-11-25 00:06:56,836 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-25 00:06:56,836 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-25 00:06:56,837 INFO L85 PathProgramCache]: Analyzing trace with hash -248988130, now seen corresponding path program 1 times [2023-11-25 00:06:56,837 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-25 00:06:56,838 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [381652623] [2023-11-25 00:06:56,838 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-25 00:06:56,838 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 [2023-11-25 00:06:56,839 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f4d984d-da96-49d3-9ae8-a7210135739e/bin/utaipan-verify-SwPr7d2a91/mathsat [2023-11-25 00:06:56,840 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f4d984d-da96-49d3-9ae8-a7210135739e/bin/utaipan-verify-SwPr7d2a91/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) [2023-11-25 00:06:56,844 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f4d984d-da96-49d3-9ae8-a7210135739e/bin/utaipan-verify-SwPr7d2a91/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 [2023-11-25 00:06:57,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-25 00:06:57,183 INFO L262 TraceCheckSpWp]: Trace formula consists of 247 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-25 00:06:57,189 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-25 00:06:57,388 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-25 00:06:57,389 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 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 173 treesize of output 65 [2023-11-25 00:06:57,431 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 160 proven. 0 refuted. 0 times theorem prover too weak. 204 trivial. 0 not checked. [2023-11-25 00:06:57,431 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-25 00:06:57,432 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-25 00:06:57,432 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [381652623] [2023-11-25 00:06:57,432 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [381652623] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-25 00:06:57,432 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-25 00:06:57,433 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-25 00:06:57,433 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1209248245] [2023-11-25 00:06:57,433 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-25 00:06:57,434 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-25 00:06:57,434 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-25 00:06:57,435 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-25 00:06:57,435 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2023-11-25 00:06:57,435 INFO L87 Difference]: Start difference. First operand 78 states and 112 transitions. Second operand has 6 states, 6 states have (on average 7.5) internal successors, (45), 5 states have internal predecessors, (45), 2 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2023-11-25 00:06:58,728 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-25 00:06:58,728 INFO L93 Difference]: Finished difference Result 161 states and 232 transitions. [2023-11-25 00:06:58,729 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-11-25 00:06:58,730 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.5) internal successors, (45), 5 states have internal predecessors, (45), 2 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 109 [2023-11-25 00:06:58,730 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-25 00:06:58,731 INFO L225 Difference]: With dead ends: 161 [2023-11-25 00:06:58,731 INFO L226 Difference]: Without dead ends: 84 [2023-11-25 00:06:58,732 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 112 GetRequests, 104 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=35, Invalid=55, Unknown=0, NotChecked=0, Total=90 [2023-11-25 00:06:58,733 INFO L413 NwaCegarLoop]: 98 mSDtfsCounter, 105 mSDsluCounter, 214 mSDsCounter, 0 mSdLazyCounter, 120 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 105 SdHoareTripleChecker+Valid, 312 SdHoareTripleChecker+Invalid, 125 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 120 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2023-11-25 00:06:58,734 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [105 Valid, 312 Invalid, 125 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 120 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2023-11-25 00:06:58,735 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 84 states. [2023-11-25 00:06:58,745 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 84 to 78. [2023-11-25 00:06:58,745 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 78 states, 62 states have (on average 1.3387096774193548) internal successors, (83), 62 states have internal predecessors, (83), 14 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2023-11-25 00:06:58,746 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 78 states and 111 transitions. [2023-11-25 00:06:58,746 INFO L78 Accepts]: Start accepts. Automaton has 78 states and 111 transitions. Word has length 109 [2023-11-25 00:06:58,747 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-25 00:06:58,747 INFO L495 AbstractCegarLoop]: Abstraction has 78 states and 111 transitions. [2023-11-25 00:06:58,747 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.5) internal successors, (45), 5 states have internal predecessors, (45), 2 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2023-11-25 00:06:58,748 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 111 transitions. [2023-11-25 00:06:58,749 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2023-11-25 00:06:58,749 INFO L187 NwaCegarLoop]: Found error trace [2023-11-25 00:06:58,749 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-25 00:06:58,761 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f4d984d-da96-49d3-9ae8-a7210135739e/bin/utaipan-verify-SwPr7d2a91/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 [2023-11-25 00:06:58,956 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f4d984d-da96-49d3-9ae8-a7210135739e/bin/utaipan-verify-SwPr7d2a91/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 [2023-11-25 00:06:58,957 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-25 00:06:58,957 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-25 00:06:58,957 INFO L85 PathProgramCache]: Analyzing trace with hash -1012627614, now seen corresponding path program 1 times [2023-11-25 00:06:58,958 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-25 00:06:58,958 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [726984364] [2023-11-25 00:06:58,959 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-25 00:06:58,959 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 [2023-11-25 00:06:58,959 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f4d984d-da96-49d3-9ae8-a7210135739e/bin/utaipan-verify-SwPr7d2a91/mathsat [2023-11-25 00:06:58,960 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f4d984d-da96-49d3-9ae8-a7210135739e/bin/utaipan-verify-SwPr7d2a91/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) [2023-11-25 00:06:58,966 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f4d984d-da96-49d3-9ae8-a7210135739e/bin/utaipan-verify-SwPr7d2a91/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 [2023-11-25 00:06:59,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-25 00:06:59,311 INFO L262 TraceCheckSpWp]: Trace formula consists of 251 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-25 00:06:59,315 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-25 00:06:59,383 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 192 proven. 0 refuted. 0 times theorem prover too weak. 172 trivial. 0 not checked. [2023-11-25 00:06:59,383 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-25 00:06:59,384 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-25 00:06:59,384 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [726984364] [2023-11-25 00:06:59,384 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [726984364] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-25 00:06:59,386 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-25 00:06:59,386 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-25 00:06:59,387 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1609690603] [2023-11-25 00:06:59,387 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-25 00:06:59,403 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-25 00:06:59,403 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-25 00:06:59,404 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-25 00:06:59,404 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-11-25 00:06:59,404 INFO L87 Difference]: Start difference. First operand 78 states and 111 transitions. Second operand has 6 states, 5 states have (on average 10.0) internal successors, (50), 6 states have internal predecessors, (50), 3 states have call successors, (14), 2 states have call predecessors, (14), 3 states have return successors, (14), 2 states have call predecessors, (14), 3 states have call successors, (14) [2023-11-25 00:06:59,673 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-25 00:06:59,673 INFO L93 Difference]: Finished difference Result 159 states and 226 transitions. [2023-11-25 00:06:59,673 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-25 00:06:59,674 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 10.0) internal successors, (50), 6 states have internal predecessors, (50), 3 states have call successors, (14), 2 states have call predecessors, (14), 3 states have return successors, (14), 2 states have call predecessors, (14), 3 states have call successors, (14) Word has length 111 [2023-11-25 00:06:59,674 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-25 00:06:59,675 INFO L225 Difference]: With dead ends: 159 [2023-11-25 00:06:59,675 INFO L226 Difference]: Without dead ends: 80 [2023-11-25 00:06:59,676 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 112 GetRequests, 106 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2023-11-25 00:06:59,677 INFO L413 NwaCegarLoop]: 88 mSDtfsCounter, 7 mSDsluCounter, 313 mSDsCounter, 0 mSdLazyCounter, 130 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 401 SdHoareTripleChecker+Invalid, 136 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 130 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-25 00:06:59,677 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7 Valid, 401 Invalid, 136 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 130 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-25 00:06:59,678 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 80 states. [2023-11-25 00:06:59,695 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 80 to 78. [2023-11-25 00:06:59,696 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 78 states, 62 states have (on average 1.3225806451612903) internal successors, (82), 62 states have internal predecessors, (82), 14 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2023-11-25 00:06:59,698 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 78 states and 110 transitions. [2023-11-25 00:06:59,698 INFO L78 Accepts]: Start accepts. Automaton has 78 states and 110 transitions. Word has length 111 [2023-11-25 00:06:59,700 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-25 00:06:59,700 INFO L495 AbstractCegarLoop]: Abstraction has 78 states and 110 transitions. [2023-11-25 00:06:59,701 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 10.0) internal successors, (50), 6 states have internal predecessors, (50), 3 states have call successors, (14), 2 states have call predecessors, (14), 3 states have return successors, (14), 2 states have call predecessors, (14), 3 states have call successors, (14) [2023-11-25 00:06:59,701 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 110 transitions. [2023-11-25 00:06:59,703 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2023-11-25 00:06:59,703 INFO L187 NwaCegarLoop]: Found error trace [2023-11-25 00:06:59,704 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-25 00:06:59,717 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f4d984d-da96-49d3-9ae8-a7210135739e/bin/utaipan-verify-SwPr7d2a91/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2023-11-25 00:06:59,911 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f4d984d-da96-49d3-9ae8-a7210135739e/bin/utaipan-verify-SwPr7d2a91/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 [2023-11-25 00:06:59,911 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-25 00:06:59,912 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-25 00:06:59,912 INFO L85 PathProgramCache]: Analyzing trace with hash 1715581732, now seen corresponding path program 1 times [2023-11-25 00:06:59,913 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-25 00:06:59,913 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [44490925] [2023-11-25 00:06:59,913 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-25 00:06:59,913 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 [2023-11-25 00:06:59,914 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f4d984d-da96-49d3-9ae8-a7210135739e/bin/utaipan-verify-SwPr7d2a91/mathsat [2023-11-25 00:06:59,915 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f4d984d-da96-49d3-9ae8-a7210135739e/bin/utaipan-verify-SwPr7d2a91/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) [2023-11-25 00:06:59,918 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f4d984d-da96-49d3-9ae8-a7210135739e/bin/utaipan-verify-SwPr7d2a91/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 [2023-11-25 00:07:00,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-25 00:07:00,383 INFO L262 TraceCheckSpWp]: Trace formula consists of 253 conjuncts, 26 conjunts are in the unsatisfiable core [2023-11-25 00:07:00,390 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-25 00:07:02,007 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 [2023-11-25 00:07:02,848 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 31 treesize of output 24 [2023-11-25 00:07:03,374 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 31 treesize of output 24 [2023-11-25 00:07:03,476 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 31 treesize of output 24 [2023-11-25 00:07:03,574 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 31 treesize of output 24 [2023-11-25 00:07:03,674 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 31 treesize of output 24 [2023-11-25 00:07:03,755 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 44 treesize of output 31 [2023-11-25 00:07:03,903 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-25 00:07:03,904 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 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 88 treesize of output 40 [2023-11-25 00:07:03,983 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 158 proven. 12 refuted. 0 times theorem prover too weak. 194 trivial. 0 not checked. [2023-11-25 00:07:03,984 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-25 00:07:04,214 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2023-11-25 00:07:04,215 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-25 00:07:04,215 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [44490925] [2023-11-25 00:07:04,215 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [44490925] provided 1 perfect and 1 imperfect interpolant sequences [2023-11-25 00:07:04,216 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-25 00:07:04,216 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [17] total 20 [2023-11-25 00:07:04,216 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1006513553] [2023-11-25 00:07:04,216 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-25 00:07:04,217 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-25 00:07:04,217 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-25 00:07:04,218 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-25 00:07:04,218 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=64, Invalid=316, Unknown=0, NotChecked=0, Total=380 [2023-11-25 00:07:04,219 INFO L87 Difference]: Start difference. First operand 78 states and 110 transitions. Second operand has 5 states, 5 states have (on average 8.8) internal successors, (44), 5 states have internal predecessors, (44), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2023-11-25 00:07:05,035 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-25 00:07:05,035 INFO L93 Difference]: Finished difference Result 181 states and 255 transitions. [2023-11-25 00:07:05,036 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-25 00:07:05,037 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.8) internal successors, (44), 5 states have internal predecessors, (44), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) Word has length 111 [2023-11-25 00:07:05,038 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-25 00:07:05,039 INFO L225 Difference]: With dead ends: 181 [2023-11-25 00:07:05,039 INFO L226 Difference]: Without dead ends: 104 [2023-11-25 00:07:05,039 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 222 GetRequests, 202 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 118 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=74, Invalid=388, Unknown=0, NotChecked=0, Total=462 [2023-11-25 00:07:05,040 INFO L413 NwaCegarLoop]: 108 mSDtfsCounter, 75 mSDsluCounter, 262 mSDsCounter, 0 mSdLazyCounter, 104 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 75 SdHoareTripleChecker+Valid, 370 SdHoareTripleChecker+Invalid, 105 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 104 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2023-11-25 00:07:05,041 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [75 Valid, 370 Invalid, 105 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 104 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2023-11-25 00:07:05,042 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 104 states. [2023-11-25 00:07:05,049 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 104 to 82. [2023-11-25 00:07:05,050 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 82 states, 66 states have (on average 1.303030303030303) internal successors, (86), 66 states have internal predecessors, (86), 14 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2023-11-25 00:07:05,051 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 82 states and 114 transitions. [2023-11-25 00:07:05,051 INFO L78 Accepts]: Start accepts. Automaton has 82 states and 114 transitions. Word has length 111 [2023-11-25 00:07:05,051 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-25 00:07:05,052 INFO L495 AbstractCegarLoop]: Abstraction has 82 states and 114 transitions. [2023-11-25 00:07:05,052 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.8) internal successors, (44), 5 states have internal predecessors, (44), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2023-11-25 00:07:05,052 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 114 transitions. [2023-11-25 00:07:05,053 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2023-11-25 00:07:05,054 INFO L187 NwaCegarLoop]: Found error trace [2023-11-25 00:07:05,054 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-25 00:07:05,067 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f4d984d-da96-49d3-9ae8-a7210135739e/bin/utaipan-verify-SwPr7d2a91/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 [2023-11-25 00:07:05,263 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f4d984d-da96-49d3-9ae8-a7210135739e/bin/utaipan-verify-SwPr7d2a91/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 [2023-11-25 00:07:05,263 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-25 00:07:05,263 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-25 00:07:05,264 INFO L85 PathProgramCache]: Analyzing trace with hash 478236594, now seen corresponding path program 1 times [2023-11-25 00:07:05,264 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-25 00:07:05,264 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1198177936] [2023-11-25 00:07:05,264 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-25 00:07:05,265 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 [2023-11-25 00:07:05,265 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f4d984d-da96-49d3-9ae8-a7210135739e/bin/utaipan-verify-SwPr7d2a91/mathsat [2023-11-25 00:07:05,266 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f4d984d-da96-49d3-9ae8-a7210135739e/bin/utaipan-verify-SwPr7d2a91/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) [2023-11-25 00:07:05,268 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f4d984d-da96-49d3-9ae8-a7210135739e/bin/utaipan-verify-SwPr7d2a91/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2023-11-25 00:07:05,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-25 00:07:05,544 INFO L262 TraceCheckSpWp]: Trace formula consists of 255 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-25 00:07:05,548 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-25 00:07:05,567 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2023-11-25 00:07:05,567 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-25 00:07:05,567 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-25 00:07:05,567 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1198177936] [2023-11-25 00:07:05,568 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1198177936] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-25 00:07:05,568 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-25 00:07:05,568 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-25 00:07:05,568 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1830321887] [2023-11-25 00:07:05,568 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-25 00:07:05,569 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-25 00:07:05,569 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-25 00:07:05,570 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-25 00:07:05,570 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-25 00:07:05,570 INFO L87 Difference]: Start difference. First operand 82 states and 114 transitions. Second operand has 3 states, 3 states have (on average 15.0) internal successors, (45), 3 states have internal predecessors, (45), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2023-11-25 00:07:05,610 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-25 00:07:05,611 INFO L93 Difference]: Finished difference Result 154 states and 215 transitions. [2023-11-25 00:07:05,611 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-25 00:07:05,611 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 15.0) internal successors, (45), 3 states have internal predecessors, (45), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) Word has length 112 [2023-11-25 00:07:05,612 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-25 00:07:05,614 INFO L225 Difference]: With dead ends: 154 [2023-11-25 00:07:05,614 INFO L226 Difference]: Without dead ends: 73 [2023-11-25 00:07:05,615 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 111 GetRequests, 110 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-25 00:07:05,617 INFO L413 NwaCegarLoop]: 96 mSDtfsCounter, 1 mSDsluCounter, 94 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 190 SdHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-25 00:07:05,618 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 190 Invalid, 10 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-25 00:07:05,619 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73 states. [2023-11-25 00:07:05,636 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 73 to 73. [2023-11-25 00:07:05,637 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 73 states, 57 states have (on average 1.280701754385965) internal successors, (73), 57 states have internal predecessors, (73), 14 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2023-11-25 00:07:05,639 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 73 states and 101 transitions. [2023-11-25 00:07:05,639 INFO L78 Accepts]: Start accepts. Automaton has 73 states and 101 transitions. Word has length 112 [2023-11-25 00:07:05,640 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-25 00:07:05,641 INFO L495 AbstractCegarLoop]: Abstraction has 73 states and 101 transitions. [2023-11-25 00:07:05,641 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 15.0) internal successors, (45), 3 states have internal predecessors, (45), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2023-11-25 00:07:05,645 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 101 transitions. [2023-11-25 00:07:05,646 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2023-11-25 00:07:05,646 INFO L187 NwaCegarLoop]: Found error trace [2023-11-25 00:07:05,646 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-25 00:07:05,655 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f4d984d-da96-49d3-9ae8-a7210135739e/bin/utaipan-verify-SwPr7d2a91/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0 [2023-11-25 00:07:05,854 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f4d984d-da96-49d3-9ae8-a7210135739e/bin/utaipan-verify-SwPr7d2a91/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 [2023-11-25 00:07:05,854 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-25 00:07:05,855 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-25 00:07:05,855 INFO L85 PathProgramCache]: Analyzing trace with hash 762446795, now seen corresponding path program 1 times [2023-11-25 00:07:05,855 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-25 00:07:05,855 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [439543379] [2023-11-25 00:07:05,856 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-25 00:07:05,856 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 [2023-11-25 00:07:05,856 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f4d984d-da96-49d3-9ae8-a7210135739e/bin/utaipan-verify-SwPr7d2a91/mathsat [2023-11-25 00:07:05,857 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f4d984d-da96-49d3-9ae8-a7210135739e/bin/utaipan-verify-SwPr7d2a91/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) [2023-11-25 00:07:05,865 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f4d984d-da96-49d3-9ae8-a7210135739e/bin/utaipan-verify-SwPr7d2a91/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2023-11-25 00:07:37,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-25 00:07:37,269 INFO L262 TraceCheckSpWp]: Trace formula consists of 263 conjuncts, 37 conjunts are in the unsatisfiable core [2023-11-25 00:07:37,279 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-25 00:07:38,059 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