./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-70.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dc017b2-351d-46f2-a444-5396f94eb213/bin/utaipan-verify-SwPr7d2a91/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dc017b2-351d-46f2-a444-5396f94eb213/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_0dc017b2-351d-46f2-a444-5396f94eb213/bin/utaipan-verify-SwPr7d2a91/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dc017b2-351d-46f2-a444-5396f94eb213/bin/utaipan-verify-SwPr7d2a91/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-70.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dc017b2-351d-46f2-a444-5396f94eb213/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_0dc017b2-351d-46f2-a444-5396f94eb213/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 fbc3d8d1a69e8bd3d6fe2e349933b2e0aa836a7f9d0aca281c4af875723b1f72 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-25 00:05:52,315 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-25 00:05:52,390 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dc017b2-351d-46f2-a444-5396f94eb213/bin/utaipan-verify-SwPr7d2a91/config/svcomp-Reach-32bit-Taipan_Default.epf [2023-11-25 00:05:52,397 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-25 00:05:52,398 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-25 00:05:52,446 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-25 00:05:52,450 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-25 00:05:52,451 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-25 00:05:52,452 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-25 00:05:52,457 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-25 00:05:52,458 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-25 00:05:52,459 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-25 00:05:52,460 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-25 00:05:52,461 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-25 00:05:52,462 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-25 00:05:52,462 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-25 00:05:52,463 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-25 00:05:52,463 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-25 00:05:52,464 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-25 00:05:52,464 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-25 00:05:52,465 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-25 00:05:52,465 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-25 00:05:52,466 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-25 00:05:52,467 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-25 00:05:52,467 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-25 00:05:52,468 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-25 00:05:52,468 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-25 00:05:52,469 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-25 00:05:52,469 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-25 00:05:52,491 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-25 00:05:52,492 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-25 00:05:52,493 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-25 00:05:52,493 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-25 00:05:52,493 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-25 00:05:52,493 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-25 00:05:52,494 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-25 00:05:52,494 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-25 00:05:52,494 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-25 00:05:52,494 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-25 00:05:52,495 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-25 00:05:52,496 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-25 00:05:52,497 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-25 00:05:52,497 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-25 00:05:52,497 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-25 00:05:52,498 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-25 00:05:52,498 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-25 00:05:52,498 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-25 00:05:52,498 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_0dc017b2-351d-46f2-a444-5396f94eb213/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dc017b2-351d-46f2-a444-5396f94eb213/bin/utaipan-verify-SwPr7d2a91 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> fbc3d8d1a69e8bd3d6fe2e349933b2e0aa836a7f9d0aca281c4af875723b1f72 [2023-11-25 00:05:52,829 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-25 00:05:52,875 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-25 00:05:52,878 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-25 00:05:52,880 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-25 00:05:52,881 INFO L274 PluginConnector]: CDTParser initialized [2023-11-25 00:05:52,882 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dc017b2-351d-46f2-a444-5396f94eb213/bin/utaipan-verify-SwPr7d2a91/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-70.i [2023-11-25 00:05:56,035 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-25 00:05:56,395 INFO L384 CDTParser]: Found 1 translation units. [2023-11-25 00:05:56,396 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dc017b2-351d-46f2-a444-5396f94eb213/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-70.i [2023-11-25 00:05:56,405 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dc017b2-351d-46f2-a444-5396f94eb213/bin/utaipan-verify-SwPr7d2a91/data/d9360a758/0c1f4e8121f84df4b801299f8dbc5cf9/FLAG9ef7f3297 [2023-11-25 00:05:56,423 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dc017b2-351d-46f2-a444-5396f94eb213/bin/utaipan-verify-SwPr7d2a91/data/d9360a758/0c1f4e8121f84df4b801299f8dbc5cf9 [2023-11-25 00:05:56,426 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-25 00:05:56,428 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-25 00:05:56,430 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-25 00:05:56,430 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-25 00:05:56,442 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-25 00:05:56,448 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 12:05:56" (1/1) ... [2023-11-25 00:05:56,449 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2228bb06 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:05:56, skipping insertion in model container [2023-11-25 00:05:56,449 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 12:05:56" (1/1) ... [2023-11-25 00:05:56,502 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-25 00:05:56,697 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_0dc017b2-351d-46f2-a444-5396f94eb213/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-70.i[916,929] [2023-11-25 00:05:56,778 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-25 00:05:56,793 INFO L202 MainTranslator]: Completed pre-run [2023-11-25 00:05:56,804 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_0dc017b2-351d-46f2-a444-5396f94eb213/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-70.i[916,929] [2023-11-25 00:05:56,847 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-25 00:05:56,871 INFO L206 MainTranslator]: Completed translation [2023-11-25 00:05:56,871 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:05:56 WrapperNode [2023-11-25 00:05:56,871 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-25 00:05:56,873 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-25 00:05:56,873 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-25 00:05:56,873 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-25 00:05:56,882 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:05:56" (1/1) ... [2023-11-25 00:05:56,899 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:05:56" (1/1) ... [2023-11-25 00:05:56,962 INFO L138 Inliner]: procedures = 29, calls = 156, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 449 [2023-11-25 00:05:56,966 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-25 00:05:56,967 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-25 00:05:56,967 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-25 00:05:56,967 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-25 00:05:56,986 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:05:56" (1/1) ... [2023-11-25 00:05:56,986 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:05:56" (1/1) ... [2023-11-25 00:05:56,994 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:05:56" (1/1) ... [2023-11-25 00:05:56,995 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:05:56" (1/1) ... [2023-11-25 00:05:57,030 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:05:56" (1/1) ... [2023-11-25 00:05:57,036 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:05:56" (1/1) ... [2023-11-25 00:05:57,040 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:05:56" (1/1) ... [2023-11-25 00:05:57,043 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:05:56" (1/1) ... [2023-11-25 00:05:57,056 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-25 00:05:57,057 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-25 00:05:57,057 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-25 00:05:57,057 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-25 00:05:57,058 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:05:56" (1/1) ... [2023-11-25 00:05:57,077 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-25 00:05:57,092 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dc017b2-351d-46f2-a444-5396f94eb213/bin/utaipan-verify-SwPr7d2a91/z3 [2023-11-25 00:05:57,111 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dc017b2-351d-46f2-a444-5396f94eb213/bin/utaipan-verify-SwPr7d2a91/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-25 00:05:57,128 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dc017b2-351d-46f2-a444-5396f94eb213/bin/utaipan-verify-SwPr7d2a91/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-25 00:05:57,157 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-25 00:05:57,158 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2023-11-25 00:05:57,158 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-25 00:05:57,158 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2023-11-25 00:05:57,160 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-25 00:05:57,161 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real [2023-11-25 00:05:57,162 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-25 00:05:57,162 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-25 00:05:57,162 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-25 00:05:57,162 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-25 00:05:57,163 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-25 00:05:57,326 INFO L241 CfgBuilder]: Building ICFG [2023-11-25 00:05:57,329 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-25 00:05:57,971 INFO L282 CfgBuilder]: Performing block encoding [2023-11-25 00:05:58,703 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-25 00:05:58,704 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-25 00:05:58,706 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 12:05:58 BoogieIcfgContainer [2023-11-25 00:05:58,708 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-25 00:05:58,712 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-25 00:05:58,713 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-25 00:05:58,717 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-25 00:05:58,717 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.11 12:05:56" (1/3) ... [2023-11-25 00:05:58,718 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@19bb090b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 12:05:58, skipping insertion in model container [2023-11-25 00:05:58,719 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:05:56" (2/3) ... [2023-11-25 00:05:58,719 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@19bb090b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 12:05:58, skipping insertion in model container [2023-11-25 00:05:58,719 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 12:05:58" (3/3) ... [2023-11-25 00:05:58,721 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_wrapper-s_file-70.i [2023-11-25 00:05:58,744 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-25 00:05:58,744 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-25 00:05:58,811 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-25 00:05:58,818 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;@65aed9d6, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-25 00:05:58,818 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-25 00:05:58,822 INFO L276 IsEmpty]: Start isEmpty. Operand has 33 states, 18 states have (on average 1.1666666666666667) internal successors, (21), 19 states have internal predecessors, (21), 12 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2023-11-25 00:05:58,832 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2023-11-25 00:05:58,833 INFO L187 NwaCegarLoop]: Found error trace [2023-11-25 00:05:58,835 INFO L195 NwaCegarLoop]: trace histogram [12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 00:05:58,836 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-25 00:05:58,846 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-25 00:05:58,847 INFO L85 PathProgramCache]: Analyzing trace with hash -1449658649, now seen corresponding path program 1 times [2023-11-25 00:05:58,858 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-25 00:05:58,858 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1924252399] [2023-11-25 00:05:58,859 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-25 00:05:58,859 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-25 00:06:02,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-25 00:06:02,099 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-25 00:06:03,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-25 00:06:03,899 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2023-11-25 00:06:03,901 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-25 00:06:03,903 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-25 00:06:03,905 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-25 00:06:03,911 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-11-25 00:06:03,919 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-25 00:06:03,979 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem45 could not be translated [2023-11-25 00:06:03,980 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem45 could not be translated [2023-11-25 00:06:03,981 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem46 could not be translated [2023-11-25 00:06:03,981 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem46 could not be translated [2023-11-25 00:06:03,982 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem48 could not be translated [2023-11-25 00:06:03,982 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem48 could not be translated [2023-11-25 00:06:03,983 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem49 could not be translated [2023-11-25 00:06:03,984 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem49 could not be translated [2023-11-25 00:06:03,984 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short53 could not be translated [2023-11-25 00:06:03,985 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short56 could not be translated [2023-11-25 00:06:03,985 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short57 could not be translated [2023-11-25 00:06:03,986 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem54 could not be translated [2023-11-25 00:06:03,986 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem55 could not be translated [2023-11-25 00:06:03,986 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem52 could not be translated [2023-11-25 00:06:03,987 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem51 could not be translated [2023-11-25 00:06:03,987 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short56 could not be translated [2023-11-25 00:06:03,987 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem55 could not be translated [2023-11-25 00:06:03,988 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem52 could not be translated [2023-11-25 00:06:03,988 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short57 could not be translated [2023-11-25 00:06:03,988 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem51 could not be translated [2023-11-25 00:06:03,988 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short53 could not be translated [2023-11-25 00:06:03,989 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem54 could not be translated [2023-11-25 00:06:03,990 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short64 could not be translated [2023-11-25 00:06:03,990 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem62 could not be translated [2023-11-25 00:06:03,990 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem60 could not be translated [2023-11-25 00:06:03,990 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short61 could not be translated [2023-11-25 00:06:03,991 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short65 could not be translated [2023-11-25 00:06:03,991 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem59 could not be translated [2023-11-25 00:06:03,991 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem63 could not be translated [2023-11-25 00:06:03,992 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short61 could not be translated [2023-11-25 00:06:03,993 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short64 could not be translated [2023-11-25 00:06:03,994 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem59 could not be translated [2023-11-25 00:06:03,994 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem63 could not be translated [2023-11-25 00:06:03,994 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem62 could not be translated [2023-11-25 00:06:03,995 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short65 could not be translated [2023-11-25 00:06:03,995 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem60 could not be translated [2023-11-25 00:06:03,995 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short69 could not be translated [2023-11-25 00:06:03,995 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem71 could not be translated [2023-11-25 00:06:03,996 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short73 could not be translated [2023-11-25 00:06:03,997 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem70 could not be translated [2023-11-25 00:06:03,997 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem67 could not be translated [2023-11-25 00:06:03,997 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem68 could not be translated [2023-11-25 00:06:03,997 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short72 could not be translated [2023-11-25 00:06:03,998 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short73 could not be translated [2023-11-25 00:06:03,999 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem71 could not be translated [2023-11-25 00:06:03,999 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem67 could not be translated [2023-11-25 00:06:04,000 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short72 could not be translated [2023-11-25 00:06:04,000 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short69 could not be translated [2023-11-25 00:06:04,000 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem70 could not be translated [2023-11-25 00:06:04,000 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem68 could not be translated [2023-11-25 00:06:04,001 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem75 could not be translated [2023-11-25 00:06:04,001 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem78 could not be translated [2023-11-25 00:06:04,001 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short81 could not be translated [2023-11-25 00:06:04,002 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem76 could not be translated [2023-11-25 00:06:04,002 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short77 could not be translated [2023-11-25 00:06:04,002 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem79 could not be translated [2023-11-25 00:06:04,002 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short80 could not be translated [2023-11-25 00:06:04,003 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short77 could not be translated [2023-11-25 00:06:04,003 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem75 could not be translated [2023-11-25 00:06:04,003 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem78 could not be translated [2023-11-25 00:06:04,004 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short81 could not be translated [2023-11-25 00:06:04,004 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem79 could not be translated [2023-11-25 00:06:04,005 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short80 could not be translated [2023-11-25 00:06:04,005 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem76 could not be translated [2023-11-25 00:06:04,006 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem83 could not be translated [2023-11-25 00:06:04,014 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem83 could not be translated [2023-11-25 00:06:04,014 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem84 could not be translated [2023-11-25 00:06:04,016 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem84 could not be translated [2023-11-25 00:06:04,017 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem86 could not be translated [2023-11-25 00:06:04,018 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem86 could not be translated [2023-11-25 00:06:04,018 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem87 could not be translated [2023-11-25 00:06:04,021 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem87 could not be translated [2023-11-25 00:06:04,059 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.11 12:06:04 BoogieIcfgContainer [2023-11-25 00:06:04,059 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-25 00:06:04,062 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-25 00:06:04,062 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-25 00:06:04,063 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-25 00:06:04,063 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 12:05:58" (3/4) ... [2023-11-25 00:06:04,066 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-25 00:06:04,068 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-25 00:06:04,071 INFO L158 Benchmark]: Toolchain (without parser) took 7642.11ms. Allocated memory was 182.5MB in the beginning and 293.6MB in the end (delta: 111.1MB). Free memory was 151.6MB in the beginning and 100.1MB in the end (delta: 51.5MB). Peak memory consumption was 164.3MB. Max. memory is 16.1GB. [2023-11-25 00:06:04,072 INFO L158 Benchmark]: CDTParser took 0.25ms. Allocated memory is still 123.7MB. Free memory is still 97.6MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-25 00:06:04,073 INFO L158 Benchmark]: CACSL2BoogieTranslator took 442.39ms. Allocated memory is still 182.5MB. Free memory was 151.6MB in the beginning and 135.3MB in the end (delta: 16.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-11-25 00:06:04,074 INFO L158 Benchmark]: Boogie Procedure Inliner took 93.58ms. Allocated memory is still 182.5MB. Free memory was 135.3MB in the beginning and 130.5MB in the end (delta: 4.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-25 00:06:04,077 INFO L158 Benchmark]: Boogie Preprocessor took 88.92ms. Allocated memory is still 182.5MB. Free memory was 130.5MB in the beginning and 127.5MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-25 00:06:04,081 INFO L158 Benchmark]: RCFGBuilder took 1651.04ms. Allocated memory is still 182.5MB. Free memory was 126.9MB in the beginning and 131.1MB in the end (delta: -4.2MB). Peak memory consumption was 59.8MB. Max. memory is 16.1GB. [2023-11-25 00:06:04,083 INFO L158 Benchmark]: TraceAbstraction took 5347.46ms. Allocated memory was 182.5MB in the beginning and 293.6MB in the end (delta: 111.1MB). Free memory was 130.1MB in the beginning and 100.1MB in the end (delta: 30.0MB). Peak memory consumption was 161.1MB. Max. memory is 16.1GB. [2023-11-25 00:06:04,084 INFO L158 Benchmark]: Witness Printer took 6.91ms. Allocated memory is still 293.6MB. Free memory is still 100.1MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-25 00:06:04,094 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25ms. Allocated memory is still 123.7MB. Free memory is still 97.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 442.39ms. Allocated memory is still 182.5MB. Free memory was 151.6MB in the beginning and 135.3MB in the end (delta: 16.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 93.58ms. Allocated memory is still 182.5MB. Free memory was 135.3MB in the beginning and 130.5MB in the end (delta: 4.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 88.92ms. Allocated memory is still 182.5MB. Free memory was 130.5MB in the beginning and 127.5MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 1651.04ms. Allocated memory is still 182.5MB. Free memory was 126.9MB in the beginning and 131.1MB in the end (delta: -4.2MB). Peak memory consumption was 59.8MB. Max. memory is 16.1GB. * TraceAbstraction took 5347.46ms. Allocated memory was 182.5MB in the beginning and 293.6MB in the end (delta: 111.1MB). Free memory was 130.1MB in the beginning and 100.1MB in the end (delta: 30.0MB). Peak memory consumption was 161.1MB. Max. memory is 16.1GB. * Witness Printer took 6.91ms. Allocated memory is still 293.6MB. Free memory is still 100.1MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem45 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem45 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem46 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem46 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem48 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem48 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem49 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem49 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short53 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short56 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short57 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~mem52 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem51 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short56 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem55 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem52 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short57 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem51 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short53 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem54 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short64 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem62 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem60 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short61 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short65 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem59 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem63 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short61 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short64 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem59 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem63 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem62 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short65 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem60 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short69 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem71 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short73 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem70 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem67 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem68 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short72 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short73 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem71 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem67 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short72 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short69 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem70 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem68 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem75 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem78 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short81 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem76 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short77 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem79 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short80 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short77 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem75 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem78 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short81 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem79 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short80 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem76 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem83 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem83 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem84 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem84 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem86 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem86 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem87 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem87 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 104, overapproximation of shiftLeft at line 67, overapproximation of someBinaryArithmeticDOUBLEoperation at line 74. Possible FailurePath: [L38] unsigned char isInitial = 0; [L39-L54] struct WrapperStruct00 WrapperStruct00 = { 0, 0, 19138, 25, -50, 8.3, 255.6, 10000000.375, 0.0, 255.375, 50, 2, 1, 5 }; [L108] isInitial = 1 [L109] FCALL initially() [L110] COND TRUE 1 [L111] FCALL updateLastVariables() [L112] CALL updateVariables() [L80] WrapperStruct00.var_1_2 = __VERIFIER_nondet_uchar() [L81] EXPR WrapperStruct00.var_1_2 VAL [WrapperStruct00={4:0}, isInitial=1] [L81] CALL assume_abort_if_not(WrapperStruct00.var_1_2 >= 0) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L20] COND FALSE !(!cond) [L81] RET assume_abort_if_not(WrapperStruct00.var_1_2 >= 0) VAL [WrapperStruct00={4:0}, isInitial=1] [L82] EXPR WrapperStruct00.var_1_2 VAL [WrapperStruct00={4:0}, isInitial=1] [L82] CALL assume_abort_if_not(WrapperStruct00.var_1_2 <= 1) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L20] COND FALSE !(!cond) [L82] RET assume_abort_if_not(WrapperStruct00.var_1_2 <= 1) VAL [WrapperStruct00={4:0}, isInitial=1] [L83] WrapperStruct00.var_1_4 = __VERIFIER_nondet_ushort() [L84] EXPR WrapperStruct00.var_1_4 VAL [WrapperStruct00={4:0}, isInitial=1] [L84] CALL assume_abort_if_not(WrapperStruct00.var_1_4 >= 16383) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L20] COND FALSE !(!cond) [L84] RET assume_abort_if_not(WrapperStruct00.var_1_4 >= 16383) VAL [WrapperStruct00={4:0}, isInitial=1] [L85] EXPR WrapperStruct00.var_1_4 VAL [WrapperStruct00={4:0}, isInitial=1] [L85] CALL assume_abort_if_not(WrapperStruct00.var_1_4 <= 32767) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L20] COND FALSE !(!cond) [L85] RET assume_abort_if_not(WrapperStruct00.var_1_4 <= 32767) VAL [WrapperStruct00={4:0}, isInitial=1] [L86] WrapperStruct00.var_1_9 = __VERIFIER_nondet_double() [L87] EXPR WrapperStruct00.var_1_9 [L87] EXPR WrapperStruct00.var_1_9 >= 0.0F && WrapperStruct00.var_1_9 <= -1.0e-20F [L87] EXPR WrapperStruct00.var_1_9 [L87] EXPR WrapperStruct00.var_1_9 >= 0.0F && WrapperStruct00.var_1_9 <= -1.0e-20F [L87] EXPR (WrapperStruct00.var_1_9 >= 0.0F && WrapperStruct00.var_1_9 <= -1.0e-20F) || (WrapperStruct00.var_1_9 <= 9223372.036854765600e+12F && WrapperStruct00.var_1_9 >= 1.0e-20F ) VAL [WrapperStruct00={4:0}, isInitial=1] [L87] CALL assume_abort_if_not((WrapperStruct00.var_1_9 >= 0.0F && WrapperStruct00.var_1_9 <= -1.0e-20F) || (WrapperStruct00.var_1_9 <= 9223372.036854765600e+12F && WrapperStruct00.var_1_9 >= 1.0e-20F )) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L20] COND FALSE !(!cond) [L87] RET assume_abort_if_not((WrapperStruct00.var_1_9 >= 0.0F && WrapperStruct00.var_1_9 <= -1.0e-20F) || (WrapperStruct00.var_1_9 <= 9223372.036854765600e+12F && WrapperStruct00.var_1_9 >= 1.0e-20F )) VAL [WrapperStruct00={4:0}, isInitial=1] [L88] WrapperStruct00.var_1_10 = __VERIFIER_nondet_double() [L89] EXPR WrapperStruct00.var_1_10 [L89] EXPR WrapperStruct00.var_1_10 >= 0.0F && WrapperStruct00.var_1_10 <= -1.0e-20F [L89] EXPR (WrapperStruct00.var_1_10 >= 0.0F && WrapperStruct00.var_1_10 <= -1.0e-20F) || (WrapperStruct00.var_1_10 <= 9223372.036854765600e+12F && WrapperStruct00.var_1_10 >= 1.0e-20F ) [L89] EXPR WrapperStruct00.var_1_10 [L89] EXPR WrapperStruct00.var_1_10 <= 9223372.036854765600e+12F && WrapperStruct00.var_1_10 >= 1.0e-20F [L89] EXPR WrapperStruct00.var_1_10 [L89] EXPR WrapperStruct00.var_1_10 <= 9223372.036854765600e+12F && WrapperStruct00.var_1_10 >= 1.0e-20F [L89] EXPR (WrapperStruct00.var_1_10 >= 0.0F && WrapperStruct00.var_1_10 <= -1.0e-20F) || (WrapperStruct00.var_1_10 <= 9223372.036854765600e+12F && WrapperStruct00.var_1_10 >= 1.0e-20F ) VAL [WrapperStruct00={4:0}, isInitial=1] [L89] CALL assume_abort_if_not((WrapperStruct00.var_1_10 >= 0.0F && WrapperStruct00.var_1_10 <= -1.0e-20F) || (WrapperStruct00.var_1_10 <= 9223372.036854765600e+12F && WrapperStruct00.var_1_10 >= 1.0e-20F )) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L20] COND FALSE !(!cond) [L89] RET assume_abort_if_not((WrapperStruct00.var_1_10 >= 0.0F && WrapperStruct00.var_1_10 <= -1.0e-20F) || (WrapperStruct00.var_1_10 <= 9223372.036854765600e+12F && WrapperStruct00.var_1_10 >= 1.0e-20F )) VAL [WrapperStruct00={4:0}, isInitial=1] [L90] WrapperStruct00.var_1_11 = __VERIFIER_nondet_double() [L91] EXPR WrapperStruct00.var_1_11 [L91] EXPR WrapperStruct00.var_1_11 >= 4611686.018427382800e+12F && WrapperStruct00.var_1_11 <= -1.0e-20F [L91] EXPR (WrapperStruct00.var_1_11 >= 4611686.018427382800e+12F && WrapperStruct00.var_1_11 <= -1.0e-20F) || (WrapperStruct00.var_1_11 <= 9223372.036854765600e+12F && WrapperStruct00.var_1_11 >= 1.0e-20F ) [L91] EXPR WrapperStruct00.var_1_11 [L91] EXPR WrapperStruct00.var_1_11 <= 9223372.036854765600e+12F && WrapperStruct00.var_1_11 >= 1.0e-20F [L91] EXPR WrapperStruct00.var_1_11 [L91] EXPR WrapperStruct00.var_1_11 <= 9223372.036854765600e+12F && WrapperStruct00.var_1_11 >= 1.0e-20F [L91] EXPR (WrapperStruct00.var_1_11 >= 4611686.018427382800e+12F && WrapperStruct00.var_1_11 <= -1.0e-20F) || (WrapperStruct00.var_1_11 <= 9223372.036854765600e+12F && WrapperStruct00.var_1_11 >= 1.0e-20F ) VAL [WrapperStruct00={4:0}, isInitial=1] [L91] CALL assume_abort_if_not((WrapperStruct00.var_1_11 >= 4611686.018427382800e+12F && WrapperStruct00.var_1_11 <= -1.0e-20F) || (WrapperStruct00.var_1_11 <= 9223372.036854765600e+12F && WrapperStruct00.var_1_11 >= 1.0e-20F )) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L20] COND FALSE !(!cond) [L91] RET assume_abort_if_not((WrapperStruct00.var_1_11 >= 4611686.018427382800e+12F && WrapperStruct00.var_1_11 <= -1.0e-20F) || (WrapperStruct00.var_1_11 <= 9223372.036854765600e+12F && WrapperStruct00.var_1_11 >= 1.0e-20F )) VAL [WrapperStruct00={4:0}, isInitial=1] [L92] WrapperStruct00.var_1_12 = __VERIFIER_nondet_double() [L93] EXPR WrapperStruct00.var_1_12 [L93] EXPR WrapperStruct00.var_1_12 >= 0.0F && WrapperStruct00.var_1_12 <= -1.0e-20F [L93] EXPR (WrapperStruct00.var_1_12 >= 0.0F && WrapperStruct00.var_1_12 <= -1.0e-20F) || (WrapperStruct00.var_1_12 <= 4611686.018427382800e+12F && WrapperStruct00.var_1_12 >= 1.0e-20F ) [L93] EXPR WrapperStruct00.var_1_12 [L93] EXPR WrapperStruct00.var_1_12 <= 4611686.018427382800e+12F && WrapperStruct00.var_1_12 >= 1.0e-20F [L93] EXPR WrapperStruct00.var_1_12 [L93] EXPR WrapperStruct00.var_1_12 <= 4611686.018427382800e+12F && WrapperStruct00.var_1_12 >= 1.0e-20F [L93] EXPR (WrapperStruct00.var_1_12 >= 0.0F && WrapperStruct00.var_1_12 <= -1.0e-20F) || (WrapperStruct00.var_1_12 <= 4611686.018427382800e+12F && WrapperStruct00.var_1_12 >= 1.0e-20F ) VAL [WrapperStruct00={4:0}, isInitial=1] [L93] CALL assume_abort_if_not((WrapperStruct00.var_1_12 >= 0.0F && WrapperStruct00.var_1_12 <= -1.0e-20F) || (WrapperStruct00.var_1_12 <= 4611686.018427382800e+12F && WrapperStruct00.var_1_12 >= 1.0e-20F )) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L20] COND FALSE !(!cond) [L93] RET assume_abort_if_not((WrapperStruct00.var_1_12 >= 0.0F && WrapperStruct00.var_1_12 <= -1.0e-20F) || (WrapperStruct00.var_1_12 <= 4611686.018427382800e+12F && WrapperStruct00.var_1_12 >= 1.0e-20F )) VAL [WrapperStruct00={4:0}, isInitial=1] [L94] WrapperStruct00.var_1_14 = __VERIFIER_nondet_uchar() [L95] EXPR WrapperStruct00.var_1_14 VAL [WrapperStruct00={4:0}, isInitial=1] [L95] CALL assume_abort_if_not(WrapperStruct00.var_1_14 >= 0) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L20] COND FALSE !(!cond) [L95] RET assume_abort_if_not(WrapperStruct00.var_1_14 >= 0) VAL [WrapperStruct00={4:0}, isInitial=1] [L96] EXPR WrapperStruct00.var_1_14 VAL [WrapperStruct00={4:0}, isInitial=1] [L96] CALL assume_abort_if_not(WrapperStruct00.var_1_14 <= 254) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L20] COND FALSE !(!cond) [L96] RET assume_abort_if_not(WrapperStruct00.var_1_14 <= 254) VAL [WrapperStruct00={4:0}, isInitial=1] [L97] WrapperStruct00.var_1_16 = __VERIFIER_nondet_char() [L98] EXPR WrapperStruct00.var_1_16 VAL [WrapperStruct00={4:0}, isInitial=1] [L98] CALL assume_abort_if_not(WrapperStruct00.var_1_16 >= -127) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L20] COND FALSE !(!cond) [L98] RET assume_abort_if_not(WrapperStruct00.var_1_16 >= -127) VAL [WrapperStruct00={4:0}, isInitial=1] [L99] EXPR WrapperStruct00.var_1_16 VAL [WrapperStruct00={4:0}, isInitial=1] [L99] CALL assume_abort_if_not(WrapperStruct00.var_1_16 <= 126) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L20] COND FALSE !(!cond) [L99] RET assume_abort_if_not(WrapperStruct00.var_1_16 <= 126) VAL [WrapperStruct00={4:0}, isInitial=1] [L112] RET updateVariables() [L113] CALL step() [L58] EXPR WrapperStruct00.var_1_14 [L58] WrapperStruct00.var_1_13 = WrapperStruct00.var_1_14 [L59] EXPR WrapperStruct00.var_1_16 [L59] WrapperStruct00.var_1_15 = WrapperStruct00.var_1_16 [L60] WrapperStruct00.var_1_2 [L60] COND FALSE !(WrapperStruct00.var_1_2) [L63] EXPR WrapperStruct00.var_1_2 [L63] WrapperStruct00.var_1_2 && (WrapperStruct00.var_1_4 >= (WrapperStruct00.var_1_13 + WrapperStruct00.var_1_1)) [L63] COND FALSE !(WrapperStruct00.var_1_2 && (WrapperStruct00.var_1_4 >= (WrapperStruct00.var_1_13 + WrapperStruct00.var_1_1))) [L66] EXPR WrapperStruct00.var_1_4 [L66] unsigned short int stepLocal_0 = WrapperStruct00.var_1_4; [L67] EXPR WrapperStruct00.var_1_13 [L67] EXPR WrapperStruct00.var_1_13 [L67] EXPR WrapperStruct00.var_1_13 [L67] EXPR WrapperStruct00.var_1_13 << WrapperStruct00.var_1_13 [L67] EXPR ((WrapperStruct00.var_1_13) > ((WrapperStruct00.var_1_13 << WrapperStruct00.var_1_13))) ? (WrapperStruct00.var_1_13) : ((WrapperStruct00.var_1_13 << WrapperStruct00.var_1_13)) [L67] EXPR WrapperStruct00.var_1_13 [L67] EXPR WrapperStruct00.var_1_13 [L67] EXPR WrapperStruct00.var_1_13 << WrapperStruct00.var_1_13 [L67] EXPR ((WrapperStruct00.var_1_13) > ((WrapperStruct00.var_1_13 << WrapperStruct00.var_1_13))) ? (WrapperStruct00.var_1_13) : ((WrapperStruct00.var_1_13 << WrapperStruct00.var_1_13)) [L67] COND FALSE !(stepLocal_0 <= ((((WrapperStruct00.var_1_13) > ((WrapperStruct00.var_1_13 << WrapperStruct00.var_1_13))) ? (WrapperStruct00.var_1_13) : ((WrapperStruct00.var_1_13 << WrapperStruct00.var_1_13))))) [L70] EXPR WrapperStruct00.var_1_13 [L70] EXPR WrapperStruct00.var_1_1 [L70] EXPR WrapperStruct00.var_1_4 [L70] WrapperStruct00.var_1_7 = (WrapperStruct00.var_1_13 + (WrapperStruct00.var_1_1 + WrapperStruct00.var_1_4)) [L72] EXPR WrapperStruct00.var_1_13 [L72] unsigned char stepLocal_1 = WrapperStruct00.var_1_13; [L73] EXPR WrapperStruct00.var_1_13 [L73] COND FALSE !(WrapperStruct00.var_1_13 < stepLocal_1) [L76] EXPR WrapperStruct00.var_1_11 [L76] EXPR WrapperStruct00.var_1_12 [L76] EXPR WrapperStruct00.var_1_9 [L76] WrapperStruct00.var_1_8 = ((WrapperStruct00.var_1_11 - WrapperStruct00.var_1_12) - WrapperStruct00.var_1_9) [L113] RET step() [L114] CALL, EXPR property() [L104] EXPR WrapperStruct00.var_1_2 [L104] EXPR WrapperStruct00.var_1_2 ? (WrapperStruct00.var_1_1 == ((unsigned short int) ((17222 - WrapperStruct00.var_1_13) + (((((29916) < (WrapperStruct00.var_1_4)) ? (29916) : (WrapperStruct00.var_1_4))) - WrapperStruct00.var_1_13)))) : 1 [L104] EXPR (WrapperStruct00.var_1_2 ? (WrapperStruct00.var_1_1 == ((unsigned short int) ((17222 - WrapperStruct00.var_1_13) + (((((29916) < (WrapperStruct00.var_1_4)) ? (29916) : (WrapperStruct00.var_1_4))) - WrapperStruct00.var_1_13)))) : 1) && ((WrapperStruct00.var_1_2 && (WrapperStruct00.var_1_4 >= (WrapperStruct00.var_1_13 + WrapperStruct00.var_1_1))) ? (WrapperStruct00.var_1_6 == ((signed char) 8)) : 1) [L104] EXPR WrapperStruct00.var_1_2 [L104] EXPR WrapperStruct00.var_1_2 && (WrapperStruct00.var_1_4 >= (WrapperStruct00.var_1_13 + WrapperStruct00.var_1_1)) [L104] EXPR (WrapperStruct00.var_1_2 && (WrapperStruct00.var_1_4 >= (WrapperStruct00.var_1_13 + WrapperStruct00.var_1_1))) ? (WrapperStruct00.var_1_6 == ((signed char) 8)) : 1 [L104] EXPR (WrapperStruct00.var_1_2 ? (WrapperStruct00.var_1_1 == ((unsigned short int) ((17222 - WrapperStruct00.var_1_13) + (((((29916) < (WrapperStruct00.var_1_4)) ? (29916) : (WrapperStruct00.var_1_4))) - WrapperStruct00.var_1_13)))) : 1) && ((WrapperStruct00.var_1_2 && (WrapperStruct00.var_1_4 >= (WrapperStruct00.var_1_13 + WrapperStruct00.var_1_1))) ? (WrapperStruct00.var_1_6 == ((signed char) 8)) : 1) [L104] EXPR ((WrapperStruct00.var_1_2 ? (WrapperStruct00.var_1_1 == ((unsigned short int) ((17222 - WrapperStruct00.var_1_13) + (((((29916) < (WrapperStruct00.var_1_4)) ? (29916) : (WrapperStruct00.var_1_4))) - WrapperStruct00.var_1_13)))) : 1) && ((WrapperStruct00.var_1_2 && (WrapperStruct00.var_1_4 >= (WrapperStruct00.var_1_13 + WrapperStruct00.var_1_1))) ? (WrapperStruct00.var_1_6 == ((signed char) 8)) : 1)) && ((WrapperStruct00.var_1_4 <= ((((WrapperStruct00.var_1_13) > ((WrapperStruct00.var_1_13 << WrapperStruct00.var_1_13))) ? (WrapperStruct00.var_1_13) : ((WrapperStruct00.var_1_13 << WrapperStruct00.var_1_13))))) ? (WrapperStruct00.var_1_7 == ((signed long int) (((((WrapperStruct00.var_1_13 - WrapperStruct00.var_1_13)) < (WrapperStruct00.var_1_4)) ? ((WrapperStruct00.var_1_13 - WrapperStruct00.var_1_13)) : (WrapperStruct00.var_1_4))))) : (WrapperStruct00.var_1_7 == ((signed long int) (WrapperStruct00.var_1_13 + (WrapperStruct00.var_1_1 + WrapperStruct00.var_1_4))))) [L104] EXPR WrapperStruct00.var_1_4 [L104] EXPR WrapperStruct00.var_1_13 [L104] EXPR WrapperStruct00.var_1_13 [L104] EXPR WrapperStruct00.var_1_13 [L104] EXPR WrapperStruct00.var_1_13 << WrapperStruct00.var_1_13 [L104] EXPR ((WrapperStruct00.var_1_13) > ((WrapperStruct00.var_1_13 << WrapperStruct00.var_1_13))) ? (WrapperStruct00.var_1_13) : ((WrapperStruct00.var_1_13 << WrapperStruct00.var_1_13)) [L104] EXPR WrapperStruct00.var_1_13 [L104] EXPR WrapperStruct00.var_1_13 [L104] EXPR WrapperStruct00.var_1_13 << WrapperStruct00.var_1_13 [L104] EXPR ((WrapperStruct00.var_1_13) > ((WrapperStruct00.var_1_13 << WrapperStruct00.var_1_13))) ? (WrapperStruct00.var_1_13) : ((WrapperStruct00.var_1_13 << WrapperStruct00.var_1_13)) [L104] EXPR (WrapperStruct00.var_1_4 <= ((((WrapperStruct00.var_1_13) > ((WrapperStruct00.var_1_13 << WrapperStruct00.var_1_13))) ? (WrapperStruct00.var_1_13) : ((WrapperStruct00.var_1_13 << WrapperStruct00.var_1_13))))) ? (WrapperStruct00.var_1_7 == ((signed long int) (((((WrapperStruct00.var_1_13 - WrapperStruct00.var_1_13)) < (WrapperStruct00.var_1_4)) ? ((WrapperStruct00.var_1_13 - WrapperStruct00.var_1_13)) : (WrapperStruct00.var_1_4))))) : (WrapperStruct00.var_1_7 == ((signed long int) (WrapperStruct00.var_1_13 + (WrapperStruct00.var_1_1 + WrapperStruct00.var_1_4)))) [L104] EXPR WrapperStruct00.var_1_7 [L104] EXPR WrapperStruct00.var_1_13 [L104] EXPR WrapperStruct00.var_1_1 [L104] EXPR WrapperStruct00.var_1_4 [L104] EXPR (WrapperStruct00.var_1_4 <= ((((WrapperStruct00.var_1_13) > ((WrapperStruct00.var_1_13 << WrapperStruct00.var_1_13))) ? (WrapperStruct00.var_1_13) : ((WrapperStruct00.var_1_13 << WrapperStruct00.var_1_13))))) ? (WrapperStruct00.var_1_7 == ((signed long int) (((((WrapperStruct00.var_1_13 - WrapperStruct00.var_1_13)) < (WrapperStruct00.var_1_4)) ? ((WrapperStruct00.var_1_13 - WrapperStruct00.var_1_13)) : (WrapperStruct00.var_1_4))))) : (WrapperStruct00.var_1_7 == ((signed long int) (WrapperStruct00.var_1_13 + (WrapperStruct00.var_1_1 + WrapperStruct00.var_1_4)))) [L104] EXPR ((WrapperStruct00.var_1_2 ? (WrapperStruct00.var_1_1 == ((unsigned short int) ((17222 - WrapperStruct00.var_1_13) + (((((29916) < (WrapperStruct00.var_1_4)) ? (29916) : (WrapperStruct00.var_1_4))) - WrapperStruct00.var_1_13)))) : 1) && ((WrapperStruct00.var_1_2 && (WrapperStruct00.var_1_4 >= (WrapperStruct00.var_1_13 + WrapperStruct00.var_1_1))) ? (WrapperStruct00.var_1_6 == ((signed char) 8)) : 1)) && ((WrapperStruct00.var_1_4 <= ((((WrapperStruct00.var_1_13) > ((WrapperStruct00.var_1_13 << WrapperStruct00.var_1_13))) ? (WrapperStruct00.var_1_13) : ((WrapperStruct00.var_1_13 << WrapperStruct00.var_1_13))))) ? (WrapperStruct00.var_1_7 == ((signed long int) (((((WrapperStruct00.var_1_13 - WrapperStruct00.var_1_13)) < (WrapperStruct00.var_1_4)) ? ((WrapperStruct00.var_1_13 - WrapperStruct00.var_1_13)) : (WrapperStruct00.var_1_4))))) : (WrapperStruct00.var_1_7 == ((signed long int) (WrapperStruct00.var_1_13 + (WrapperStruct00.var_1_1 + WrapperStruct00.var_1_4))))) [L104] EXPR (((WrapperStruct00.var_1_2 ? (WrapperStruct00.var_1_1 == ((unsigned short int) ((17222 - WrapperStruct00.var_1_13) + (((((29916) < (WrapperStruct00.var_1_4)) ? (29916) : (WrapperStruct00.var_1_4))) - WrapperStruct00.var_1_13)))) : 1) && ((WrapperStruct00.var_1_2 && (WrapperStruct00.var_1_4 >= (WrapperStruct00.var_1_13 + WrapperStruct00.var_1_1))) ? (WrapperStruct00.var_1_6 == ((signed char) 8)) : 1)) && ((WrapperStruct00.var_1_4 <= ((((WrapperStruct00.var_1_13) > ((WrapperStruct00.var_1_13 << WrapperStruct00.var_1_13))) ? (WrapperStruct00.var_1_13) : ((WrapperStruct00.var_1_13 << WrapperStruct00.var_1_13))))) ? (WrapperStruct00.var_1_7 == ((signed long int) (((((WrapperStruct00.var_1_13 - WrapperStruct00.var_1_13)) < (WrapperStruct00.var_1_4)) ? ((WrapperStruct00.var_1_13 - WrapperStruct00.var_1_13)) : (WrapperStruct00.var_1_4))))) : (WrapperStruct00.var_1_7 == ((signed long int) (WrapperStruct00.var_1_13 + (WrapperStruct00.var_1_1 + WrapperStruct00.var_1_4)))))) && ((WrapperStruct00.var_1_13 < WrapperStruct00.var_1_13) ? (WrapperStruct00.var_1_8 == ((double) (WrapperStruct00.var_1_9 - WrapperStruct00.var_1_10))) : (WrapperStruct00.var_1_8 == ((double) ((WrapperStruct00.var_1_11 - WrapperStruct00.var_1_12) - WrapperStruct00.var_1_9)))) [L104] EXPR WrapperStruct00.var_1_13 [L104] EXPR WrapperStruct00.var_1_13 [L104] EXPR (WrapperStruct00.var_1_13 < WrapperStruct00.var_1_13) ? (WrapperStruct00.var_1_8 == ((double) (WrapperStruct00.var_1_9 - WrapperStruct00.var_1_10))) : (WrapperStruct00.var_1_8 == ((double) ((WrapperStruct00.var_1_11 - WrapperStruct00.var_1_12) - WrapperStruct00.var_1_9))) [L104] EXPR WrapperStruct00.var_1_8 [L104] EXPR WrapperStruct00.var_1_11 [L104] EXPR WrapperStruct00.var_1_12 [L104] EXPR WrapperStruct00.var_1_9 [L104] EXPR (WrapperStruct00.var_1_13 < WrapperStruct00.var_1_13) ? (WrapperStruct00.var_1_8 == ((double) (WrapperStruct00.var_1_9 - WrapperStruct00.var_1_10))) : (WrapperStruct00.var_1_8 == ((double) ((WrapperStruct00.var_1_11 - WrapperStruct00.var_1_12) - WrapperStruct00.var_1_9))) [L104] EXPR (((WrapperStruct00.var_1_2 ? (WrapperStruct00.var_1_1 == ((unsigned short int) ((17222 - WrapperStruct00.var_1_13) + (((((29916) < (WrapperStruct00.var_1_4)) ? (29916) : (WrapperStruct00.var_1_4))) - WrapperStruct00.var_1_13)))) : 1) && ((WrapperStruct00.var_1_2 && (WrapperStruct00.var_1_4 >= (WrapperStruct00.var_1_13 + WrapperStruct00.var_1_1))) ? (WrapperStruct00.var_1_6 == ((signed char) 8)) : 1)) && ((WrapperStruct00.var_1_4 <= ((((WrapperStruct00.var_1_13) > ((WrapperStruct00.var_1_13 << WrapperStruct00.var_1_13))) ? (WrapperStruct00.var_1_13) : ((WrapperStruct00.var_1_13 << WrapperStruct00.var_1_13))))) ? (WrapperStruct00.var_1_7 == ((signed long int) (((((WrapperStruct00.var_1_13 - WrapperStruct00.var_1_13)) < (WrapperStruct00.var_1_4)) ? ((WrapperStruct00.var_1_13 - WrapperStruct00.var_1_13)) : (WrapperStruct00.var_1_4))))) : (WrapperStruct00.var_1_7 == ((signed long int) (WrapperStruct00.var_1_13 + (WrapperStruct00.var_1_1 + WrapperStruct00.var_1_4)))))) && ((WrapperStruct00.var_1_13 < WrapperStruct00.var_1_13) ? (WrapperStruct00.var_1_8 == ((double) (WrapperStruct00.var_1_9 - WrapperStruct00.var_1_10))) : (WrapperStruct00.var_1_8 == ((double) ((WrapperStruct00.var_1_11 - WrapperStruct00.var_1_12) - WrapperStruct00.var_1_9)))) [L104] EXPR ((((WrapperStruct00.var_1_2 ? (WrapperStruct00.var_1_1 == ((unsigned short int) ((17222 - WrapperStruct00.var_1_13) + (((((29916) < (WrapperStruct00.var_1_4)) ? (29916) : (WrapperStruct00.var_1_4))) - WrapperStruct00.var_1_13)))) : 1) && ((WrapperStruct00.var_1_2 && (WrapperStruct00.var_1_4 >= (WrapperStruct00.var_1_13 + WrapperStruct00.var_1_1))) ? (WrapperStruct00.var_1_6 == ((signed char) 8)) : 1)) && ((WrapperStruct00.var_1_4 <= ((((WrapperStruct00.var_1_13) > ((WrapperStruct00.var_1_13 << WrapperStruct00.var_1_13))) ? (WrapperStruct00.var_1_13) : ((WrapperStruct00.var_1_13 << WrapperStruct00.var_1_13))))) ? (WrapperStruct00.var_1_7 == ((signed long int) (((((WrapperStruct00.var_1_13 - WrapperStruct00.var_1_13)) < (WrapperStruct00.var_1_4)) ? ((WrapperStruct00.var_1_13 - WrapperStruct00.var_1_13)) : (WrapperStruct00.var_1_4))))) : (WrapperStruct00.var_1_7 == ((signed long int) (WrapperStruct00.var_1_13 + (WrapperStruct00.var_1_1 + WrapperStruct00.var_1_4)))))) && ((WrapperStruct00.var_1_13 < WrapperStruct00.var_1_13) ? (WrapperStruct00.var_1_8 == ((double) (WrapperStruct00.var_1_9 - WrapperStruct00.var_1_10))) : (WrapperStruct00.var_1_8 == ((double) ((WrapperStruct00.var_1_11 - WrapperStruct00.var_1_12) - WrapperStruct00.var_1_9))))) && (WrapperStruct00.var_1_13 == ((unsigned char) WrapperStruct00.var_1_14)) [L104] EXPR (((((WrapperStruct00.var_1_2 ? (WrapperStruct00.var_1_1 == ((unsigned short int) ((17222 - WrapperStruct00.var_1_13) + (((((29916) < (WrapperStruct00.var_1_4)) ? (29916) : (WrapperStruct00.var_1_4))) - WrapperStruct00.var_1_13)))) : 1) && ((WrapperStruct00.var_1_2 && (WrapperStruct00.var_1_4 >= (WrapperStruct00.var_1_13 + WrapperStruct00.var_1_1))) ? (WrapperStruct00.var_1_6 == ((signed char) 8)) : 1)) && ((WrapperStruct00.var_1_4 <= ((((WrapperStruct00.var_1_13) > ((WrapperStruct00.var_1_13 << WrapperStruct00.var_1_13))) ? (WrapperStruct00.var_1_13) : ((WrapperStruct00.var_1_13 << WrapperStruct00.var_1_13))))) ? (WrapperStruct00.var_1_7 == ((signed long int) (((((WrapperStruct00.var_1_13 - WrapperStruct00.var_1_13)) < (WrapperStruct00.var_1_4)) ? ((WrapperStruct00.var_1_13 - WrapperStruct00.var_1_13)) : (WrapperStruct00.var_1_4))))) : (WrapperStruct00.var_1_7 == ((signed long int) (WrapperStruct00.var_1_13 + (WrapperStruct00.var_1_1 + WrapperStruct00.var_1_4)))))) && ((WrapperStruct00.var_1_13 < WrapperStruct00.var_1_13) ? (WrapperStruct00.var_1_8 == ((double) (WrapperStruct00.var_1_9 - WrapperStruct00.var_1_10))) : (WrapperStruct00.var_1_8 == ((double) ((WrapperStruct00.var_1_11 - WrapperStruct00.var_1_12) - WrapperStruct00.var_1_9))))) && (WrapperStruct00.var_1_13 == ((unsigned char) WrapperStruct00.var_1_14))) && (WrapperStruct00.var_1_15 == ((signed char) WrapperStruct00.var_1_16)) [L104-L105] return (((((WrapperStruct00.var_1_2 ? (WrapperStruct00.var_1_1 == ((unsigned short int) ((17222 - WrapperStruct00.var_1_13) + (((((29916) < (WrapperStruct00.var_1_4)) ? (29916) : (WrapperStruct00.var_1_4))) - WrapperStruct00.var_1_13)))) : 1) && ((WrapperStruct00.var_1_2 && (WrapperStruct00.var_1_4 >= (WrapperStruct00.var_1_13 + WrapperStruct00.var_1_1))) ? (WrapperStruct00.var_1_6 == ((signed char) 8)) : 1)) && ((WrapperStruct00.var_1_4 <= ((((WrapperStruct00.var_1_13) > ((WrapperStruct00.var_1_13 << WrapperStruct00.var_1_13))) ? (WrapperStruct00.var_1_13) : ((WrapperStruct00.var_1_13 << WrapperStruct00.var_1_13))))) ? (WrapperStruct00.var_1_7 == ((signed long int) (((((WrapperStruct00.var_1_13 - WrapperStruct00.var_1_13)) < (WrapperStruct00.var_1_4)) ? ((WrapperStruct00.var_1_13 - WrapperStruct00.var_1_13)) : (WrapperStruct00.var_1_4))))) : (WrapperStruct00.var_1_7 == ((signed long int) (WrapperStruct00.var_1_13 + (WrapperStruct00.var_1_1 + WrapperStruct00.var_1_4)))))) && ((WrapperStruct00.var_1_13 < WrapperStruct00.var_1_13) ? (WrapperStruct00.var_1_8 == ((double) (WrapperStruct00.var_1_9 - WrapperStruct00.var_1_10))) : (WrapperStruct00.var_1_8 == ((double) ((WrapperStruct00.var_1_11 - WrapperStruct00.var_1_12) - WrapperStruct00.var_1_9))))) && (WrapperStruct00.var_1_13 == ((unsigned char) WrapperStruct00.var_1_14))) && (WrapperStruct00.var_1_15 == ((signed char) WrapperStruct00.var_1_16)) ; [L114] RET, EXPR property() [L114] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [WrapperStruct00={4:0}, \old(cond)=0, cond=0, isInitial=1] [L19] reach_error() VAL [WrapperStruct00={4:0}, \old(cond)=0, cond=0, isInitial=1] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 33 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 5.1s, OverallIterations: 1, TraceHistogramMax: 12, 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=33occurred 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, 3.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 52 NumberOfCodeBlocks, 52 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 00:06:04,151 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dc017b2-351d-46f2-a444-5396f94eb213/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-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dc017b2-351d-46f2-a444-5396f94eb213/bin/utaipan-verify-SwPr7d2a91/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dc017b2-351d-46f2-a444-5396f94eb213/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_0dc017b2-351d-46f2-a444-5396f94eb213/bin/utaipan-verify-SwPr7d2a91/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dc017b2-351d-46f2-a444-5396f94eb213/bin/utaipan-verify-SwPr7d2a91/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-70.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dc017b2-351d-46f2-a444-5396f94eb213/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_0dc017b2-351d-46f2-a444-5396f94eb213/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 fbc3d8d1a69e8bd3d6fe2e349933b2e0aa836a7f9d0aca281c4af875723b1f72 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-25 00:06:07,090 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-25 00:06:07,230 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dc017b2-351d-46f2-a444-5396f94eb213/bin/utaipan-verify-SwPr7d2a91/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2023-11-25 00:06:07,258 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-25 00:06:07,259 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-25 00:06:07,305 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-25 00:06:07,306 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-25 00:06:07,306 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-25 00:06:07,307 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-25 00:06:07,308 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-25 00:06:07,309 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-25 00:06:07,309 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-25 00:06:07,310 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-25 00:06:07,311 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-25 00:06:07,311 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-25 00:06:07,312 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-25 00:06:07,313 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-25 00:06:07,314 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-25 00:06:07,314 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-25 00:06:07,315 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-25 00:06:07,315 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-25 00:06:07,316 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-25 00:06:07,316 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-25 00:06:07,317 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-25 00:06:07,317 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-25 00:06:07,318 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-25 00:06:07,318 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-25 00:06:07,319 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-25 00:06:07,319 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-25 00:06:07,320 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-25 00:06:07,320 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-25 00:06:07,321 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-25 00:06:07,321 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-25 00:06:07,322 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-25 00:06:07,322 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-25 00:06:07,323 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-25 00:06:07,323 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-25 00:06:07,324 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-25 00:06:07,324 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-25 00:06:07,325 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-25 00:06:07,325 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-25 00:06:07,326 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-25 00:06:07,327 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-25 00:06:07,327 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-25 00:06:07,327 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_0dc017b2-351d-46f2-a444-5396f94eb213/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dc017b2-351d-46f2-a444-5396f94eb213/bin/utaipan-verify-SwPr7d2a91 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> fbc3d8d1a69e8bd3d6fe2e349933b2e0aa836a7f9d0aca281c4af875723b1f72 [2023-11-25 00:06:07,756 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-25 00:06:07,790 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-25 00:06:07,795 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-25 00:06:07,796 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-25 00:06:07,797 INFO L274 PluginConnector]: CDTParser initialized [2023-11-25 00:06:07,799 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dc017b2-351d-46f2-a444-5396f94eb213/bin/utaipan-verify-SwPr7d2a91/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-70.i [2023-11-25 00:06:11,103 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-25 00:06:11,416 INFO L384 CDTParser]: Found 1 translation units. [2023-11-25 00:06:11,416 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dc017b2-351d-46f2-a444-5396f94eb213/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-70.i [2023-11-25 00:06:11,426 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dc017b2-351d-46f2-a444-5396f94eb213/bin/utaipan-verify-SwPr7d2a91/data/d027c5a53/92e5f904d1e248b7ab7f71b9dec0f4c3/FLAGc0398fd6a [2023-11-25 00:06:11,441 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dc017b2-351d-46f2-a444-5396f94eb213/bin/utaipan-verify-SwPr7d2a91/data/d027c5a53/92e5f904d1e248b7ab7f71b9dec0f4c3 [2023-11-25 00:06:11,443 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-25 00:06:11,445 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-25 00:06:11,446 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-25 00:06:11,446 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-25 00:06:11,452 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-25 00:06:11,452 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 12:06:11" (1/1) ... [2023-11-25 00:06:11,454 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1a558928 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:06:11, skipping insertion in model container [2023-11-25 00:06:11,454 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 12:06:11" (1/1) ... [2023-11-25 00:06:11,483 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-25 00:06:11,683 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_0dc017b2-351d-46f2-a444-5396f94eb213/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-70.i[916,929] [2023-11-25 00:06:11,789 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-25 00:06:11,816 INFO L202 MainTranslator]: Completed pre-run [2023-11-25 00:06:11,836 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_0dc017b2-351d-46f2-a444-5396f94eb213/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-70.i[916,929] [2023-11-25 00:06:11,917 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-25 00:06:11,951 INFO L206 MainTranslator]: Completed translation [2023-11-25 00:06:11,951 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:06:11 WrapperNode [2023-11-25 00:06:11,952 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-25 00:06:11,953 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-25 00:06:11,953 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-25 00:06:11,953 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-25 00:06:11,960 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:06:11" (1/1) ... [2023-11-25 00:06:11,994 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:06:11" (1/1) ... [2023-11-25 00:06:12,055 INFO L138 Inliner]: procedures = 36, calls = 156, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 430 [2023-11-25 00:06:12,056 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-25 00:06:12,057 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-25 00:06:12,057 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-25 00:06:12,057 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-25 00:06:12,070 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:06:11" (1/1) ... [2023-11-25 00:06:12,071 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:06:11" (1/1) ... [2023-11-25 00:06:12,136 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:06:11" (1/1) ... [2023-11-25 00:06:12,136 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:06:11" (1/1) ... [2023-11-25 00:06:12,211 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:06:11" (1/1) ... [2023-11-25 00:06:12,221 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:06:11" (1/1) ... [2023-11-25 00:06:12,224 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:06:11" (1/1) ... [2023-11-25 00:06:12,228 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:06:11" (1/1) ... [2023-11-25 00:06:12,250 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-25 00:06:12,251 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-25 00:06:12,251 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-25 00:06:12,251 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-25 00:06:12,252 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:06:11" (1/1) ... [2023-11-25 00:06:12,271 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-25 00:06:12,292 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dc017b2-351d-46f2-a444-5396f94eb213/bin/utaipan-verify-SwPr7d2a91/z3 [2023-11-25 00:06:12,317 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dc017b2-351d-46f2-a444-5396f94eb213/bin/utaipan-verify-SwPr7d2a91/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-25 00:06:12,345 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dc017b2-351d-46f2-a444-5396f94eb213/bin/utaipan-verify-SwPr7d2a91/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-25 00:06:12,365 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-25 00:06:12,365 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8 [2023-11-25 00:06:12,365 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8 [2023-11-25 00:06:12,366 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2023-11-25 00:06:12,366 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2 [2023-11-25 00:06:12,366 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-25 00:06:12,366 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2023-11-25 00:06:12,366 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8 [2023-11-25 00:06:12,366 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-11-25 00:06:12,367 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2023-11-25 00:06:12,367 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-25 00:06:12,367 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-25 00:06:12,367 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-25 00:06:12,367 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-25 00:06:12,367 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2023-11-25 00:06:12,367 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2023-11-25 00:06:12,368 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-11-25 00:06:12,582 INFO L241 CfgBuilder]: Building ICFG [2023-11-25 00:06:12,585 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-25 00:06:14,730 INFO L282 CfgBuilder]: Performing block encoding [2023-11-25 00:06:14,799 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-25 00:06:14,799 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-25 00:06:14,800 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 12:06:14 BoogieIcfgContainer [2023-11-25 00:06:14,800 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-25 00:06:14,804 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-25 00:06:14,804 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-25 00:06:14,808 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-25 00:06:14,808 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.11 12:06:11" (1/3) ... [2023-11-25 00:06:14,809 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@58451248 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 12:06:14, skipping insertion in model container [2023-11-25 00:06:14,810 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:06:11" (2/3) ... [2023-11-25 00:06:14,810 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@58451248 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 12:06:14, skipping insertion in model container [2023-11-25 00:06:14,810 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 12:06:14" (3/3) ... [2023-11-25 00:06:14,812 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_wrapper-s_file-70.i [2023-11-25 00:06:14,834 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-25 00:06:14,834 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-25 00:06:14,900 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-25 00:06:14,908 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;@66f2e14a, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-25 00:06:14,909 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-25 00:06:14,915 INFO L276 IsEmpty]: Start isEmpty. Operand has 94 states, 79 states have (on average 1.481012658227848) internal successors, (117), 80 states have internal predecessors, (117), 12 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2023-11-25 00:06:14,935 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2023-11-25 00:06:14,935 INFO L187 NwaCegarLoop]: Found error trace [2023-11-25 00:06:14,936 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 00:06:14,937 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-25 00:06:14,944 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-25 00:06:14,944 INFO L85 PathProgramCache]: Analyzing trace with hash -1508165923, now seen corresponding path program 1 times [2023-11-25 00:06:14,964 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-25 00:06:14,964 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [278303609] [2023-11-25 00:06:14,965 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-25 00:06:14,965 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 00:06:14,966 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dc017b2-351d-46f2-a444-5396f94eb213/bin/utaipan-verify-SwPr7d2a91/mathsat [2023-11-25 00:06:14,969 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dc017b2-351d-46f2-a444-5396f94eb213/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 00:06:14,980 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dc017b2-351d-46f2-a444-5396f94eb213/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 00:06:15,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-25 00:06:15,405 INFO L262 TraceCheckSpWp]: Trace formula consists of 254 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-25 00:06:15,416 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-25 00:06:15,457 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 94 proven. 0 refuted. 0 times theorem prover too weak. 170 trivial. 0 not checked. [2023-11-25 00:06:15,457 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-25 00:06:15,458 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-25 00:06:15,458 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [278303609] [2023-11-25 00:06:15,459 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [278303609] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-25 00:06:15,459 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-25 00:06:15,459 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-25 00:06:15,461 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [755932072] [2023-11-25 00:06:15,461 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-25 00:06:15,466 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-25 00:06:15,466 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-25 00:06:15,495 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-25 00:06:15,496 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-25 00:06:15,498 INFO L87 Difference]: Start difference. First operand has 94 states, 79 states have (on average 1.481012658227848) internal successors, (117), 80 states have internal predecessors, (117), 12 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) Second operand has 2 states, 2 states have (on average 28.5) internal successors, (57), 2 states have internal predecessors, (57), 2 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2023-11-25 00:06:15,553 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-25 00:06:15,553 INFO L93 Difference]: Finished difference Result 185 states and 292 transitions. [2023-11-25 00:06:15,554 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-25 00:06:15,556 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 28.5) internal successors, (57), 2 states have internal predecessors, (57), 2 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 110 [2023-11-25 00:06:15,556 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-25 00:06:15,564 INFO L225 Difference]: With dead ends: 185 [2023-11-25 00:06:15,564 INFO L226 Difference]: Without dead ends: 92 [2023-11-25 00:06:15,568 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 109 GetRequests, 109 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 00:06:15,572 INFO L413 NwaCegarLoop]: 132 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, 132 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 00:06:15,573 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 132 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-25 00:06:15,590 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 92 states. [2023-11-25 00:06:15,614 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 92 to 92. [2023-11-25 00:06:15,616 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 92 states, 78 states have (on average 1.435897435897436) internal successors, (112), 78 states have internal predecessors, (112), 12 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2023-11-25 00:06:15,618 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 92 states and 136 transitions. [2023-11-25 00:06:15,620 INFO L78 Accepts]: Start accepts. Automaton has 92 states and 136 transitions. Word has length 110 [2023-11-25 00:06:15,620 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-25 00:06:15,620 INFO L495 AbstractCegarLoop]: Abstraction has 92 states and 136 transitions. [2023-11-25 00:06:15,621 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 28.5) internal successors, (57), 2 states have internal predecessors, (57), 2 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2023-11-25 00:06:15,621 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 136 transitions. [2023-11-25 00:06:15,624 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2023-11-25 00:06:15,624 INFO L187 NwaCegarLoop]: Found error trace [2023-11-25 00:06:15,625 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 00:06:15,639 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dc017b2-351d-46f2-a444-5396f94eb213/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)] Ended with exit code 0 [2023-11-25 00:06:15,834 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dc017b2-351d-46f2-a444-5396f94eb213/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 00:06:15,834 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-25 00:06:15,835 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-25 00:06:15,835 INFO L85 PathProgramCache]: Analyzing trace with hash 604001869, now seen corresponding path program 1 times [2023-11-25 00:06:15,836 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-25 00:06:15,836 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1053338363] [2023-11-25 00:06:15,836 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-25 00:06:15,837 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 00:06:15,837 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dc017b2-351d-46f2-a444-5396f94eb213/bin/utaipan-verify-SwPr7d2a91/mathsat [2023-11-25 00:06:15,838 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dc017b2-351d-46f2-a444-5396f94eb213/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 00:06:15,840 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dc017b2-351d-46f2-a444-5396f94eb213/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 00:06:16,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-25 00:06:16,250 INFO L262 TraceCheckSpWp]: Trace formula consists of 254 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-25 00:06:16,257 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-25 00:06:16,344 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 144 proven. 0 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2023-11-25 00:06:16,344 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-25 00:06:16,355 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-25 00:06:16,356 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1053338363] [2023-11-25 00:06:16,356 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1053338363] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-25 00:06:16,356 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-25 00:06:16,356 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-25 00:06:16,357 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [809423551] [2023-11-25 00:06:16,357 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-25 00:06:16,359 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-25 00:06:16,360 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-25 00:06:16,362 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-25 00:06:16,363 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-25 00:06:16,363 INFO L87 Difference]: Start difference. First operand 92 states and 136 transitions. Second operand has 4 states, 4 states have (on average 14.0) internal successors, (56), 4 states have internal predecessors, (56), 2 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2023-11-25 00:06:16,552 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-25 00:06:16,553 INFO L93 Difference]: Finished difference Result 189 states and 280 transitions. [2023-11-25 00:06:16,566 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-25 00:06:16,566 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 14.0) internal successors, (56), 4 states have internal predecessors, (56), 2 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 110 [2023-11-25 00:06:16,567 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-25 00:06:16,569 INFO L225 Difference]: With dead ends: 189 [2023-11-25 00:06:16,570 INFO L226 Difference]: Without dead ends: 98 [2023-11-25 00:06:16,571 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 110 GetRequests, 107 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 00:06:16,574 INFO L413 NwaCegarLoop]: 133 mSDtfsCounter, 10 mSDsluCounter, 255 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 388 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-25 00:06:16,575 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [11 Valid, 388 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-25 00:06:16,576 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 98 states. [2023-11-25 00:06:16,588 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 98 to 94. [2023-11-25 00:06:16,589 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 94 states, 80 states have (on average 1.425) internal successors, (114), 80 states have internal predecessors, (114), 12 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2023-11-25 00:06:16,591 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 94 states and 138 transitions. [2023-11-25 00:06:16,592 INFO L78 Accepts]: Start accepts. Automaton has 94 states and 138 transitions. Word has length 110 [2023-11-25 00:06:16,592 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-25 00:06:16,593 INFO L495 AbstractCegarLoop]: Abstraction has 94 states and 138 transitions. [2023-11-25 00:06:16,593 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 14.0) internal successors, (56), 4 states have internal predecessors, (56), 2 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2023-11-25 00:06:16,593 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 138 transitions. [2023-11-25 00:06:16,595 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2023-11-25 00:06:16,596 INFO L187 NwaCegarLoop]: Found error trace [2023-11-25 00:06:16,596 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 00:06:16,610 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dc017b2-351d-46f2-a444-5396f94eb213/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)] Forceful destruction successful, exit code 0 [2023-11-25 00:06:16,804 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dc017b2-351d-46f2-a444-5396f94eb213/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 00:06:16,805 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-25 00:06:16,805 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-25 00:06:16,806 INFO L85 PathProgramCache]: Analyzing trace with hash 1335969295, now seen corresponding path program 1 times [2023-11-25 00:06:16,807 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-25 00:06:16,807 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [502574090] [2023-11-25 00:06:16,807 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-25 00:06:16,808 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 00:06:16,808 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dc017b2-351d-46f2-a444-5396f94eb213/bin/utaipan-verify-SwPr7d2a91/mathsat [2023-11-25 00:06:16,809 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dc017b2-351d-46f2-a444-5396f94eb213/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 00:06:16,817 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dc017b2-351d-46f2-a444-5396f94eb213/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 00:06:17,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-25 00:06:17,237 INFO L262 TraceCheckSpWp]: Trace formula consists of 256 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-25 00:06:17,243 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-25 00:06:17,335 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2023-11-25 00:06:17,335 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-25 00:06:17,336 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-25 00:06:17,336 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [502574090] [2023-11-25 00:06:17,336 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [502574090] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-25 00:06:17,336 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-25 00:06:17,337 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-25 00:06:17,337 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1863469129] [2023-11-25 00:06:17,337 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-25 00:06:17,338 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-25 00:06:17,338 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-25 00:06:17,339 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-25 00:06:17,339 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-25 00:06:17,340 INFO L87 Difference]: Start difference. First operand 94 states and 138 transitions. Second operand has 5 states, 5 states have (on average 10.6) internal successors, (53), 5 states have internal predecessors, (53), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2023-11-25 00:06:20,228 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-25 00:06:23,047 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.52s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-25 00:06:24,779 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.22s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-25 00:06:26,336 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.21s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-25 00:06:26,415 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-25 00:06:26,415 INFO L93 Difference]: Finished difference Result 228 states and 336 transitions. [2023-11-25 00:06:26,416 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-25 00:06:26,416 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.6) internal successors, (53), 5 states have internal predecessors, (53), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) Word has length 110 [2023-11-25 00:06:26,417 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-25 00:06:26,420 INFO L225 Difference]: With dead ends: 228 [2023-11-25 00:06:26,420 INFO L226 Difference]: Without dead ends: 135 [2023-11-25 00:06:26,421 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 110 GetRequests, 106 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2023-11-25 00:06:26,423 INFO L413 NwaCegarLoop]: 97 mSDtfsCounter, 53 mSDsluCounter, 237 mSDsCounter, 0 mSdLazyCounter, 207 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 53 SdHoareTripleChecker+Valid, 334 SdHoareTripleChecker+Invalid, 215 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 207 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.0s IncrementalHoareTripleChecker+Time [2023-11-25 00:06:26,424 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [53 Valid, 334 Invalid, 215 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 207 Invalid, 0 Unknown, 0 Unchecked, 9.0s Time] [2023-11-25 00:06:26,425 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 135 states. [2023-11-25 00:06:26,436 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 135 to 97. [2023-11-25 00:06:26,444 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 97 states, 83 states have (on average 1.4096385542168675) internal successors, (117), 83 states have internal predecessors, (117), 12 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2023-11-25 00:06:26,445 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 97 states and 141 transitions. [2023-11-25 00:06:26,446 INFO L78 Accepts]: Start accepts. Automaton has 97 states and 141 transitions. Word has length 110 [2023-11-25 00:06:26,449 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-25 00:06:26,450 INFO L495 AbstractCegarLoop]: Abstraction has 97 states and 141 transitions. [2023-11-25 00:06:26,451 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.6) internal successors, (53), 5 states have internal predecessors, (53), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2023-11-25 00:06:26,451 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 141 transitions. [2023-11-25 00:06:26,454 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2023-11-25 00:06:26,459 INFO L187 NwaCegarLoop]: Found error trace [2023-11-25 00:06:26,460 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 00:06:26,480 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dc017b2-351d-46f2-a444-5396f94eb213/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)] Ended with exit code 0 [2023-11-25 00:06:26,669 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dc017b2-351d-46f2-a444-5396f94eb213/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 00:06:26,670 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-25 00:06:26,670 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-25 00:06:26,670 INFO L85 PathProgramCache]: Analyzing trace with hash 1977525839, now seen corresponding path program 1 times [2023-11-25 00:06:26,671 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-25 00:06:26,679 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1943340160] [2023-11-25 00:06:26,680 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-25 00:06:26,680 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 00:06:26,681 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dc017b2-351d-46f2-a444-5396f94eb213/bin/utaipan-verify-SwPr7d2a91/mathsat [2023-11-25 00:06:26,682 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dc017b2-351d-46f2-a444-5396f94eb213/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 00:06:26,684 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dc017b2-351d-46f2-a444-5396f94eb213/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 00:06:27,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-25 00:06:27,090 INFO L262 TraceCheckSpWp]: Trace formula consists of 249 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-25 00:06:27,095 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-25 00:06:27,152 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 9 [2023-11-25 00:06:27,203 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2023-11-25 00:06:27,203 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-25 00:06:27,204 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-25 00:06:27,204 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1943340160] [2023-11-25 00:06:27,204 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1943340160] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-25 00:06:27,204 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-25 00:06:27,205 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-25 00:06:27,205 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1757204111] [2023-11-25 00:06:27,205 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-25 00:06:27,206 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-25 00:06:27,206 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-25 00:06:27,207 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-25 00:06:27,207 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-25 00:06:27,208 INFO L87 Difference]: Start difference. First operand 97 states and 141 transitions. Second operand has 3 states, 3 states have (on average 17.666666666666668) internal successors, (53), 3 states have internal predecessors, (53), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2023-11-25 00:06:28,495 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.23s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-25 00:06:28,618 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-25 00:06:28,618 INFO L93 Difference]: Finished difference Result 193 states and 281 transitions. [2023-11-25 00:06:28,619 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-25 00:06:28,619 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 17.666666666666668) internal successors, (53), 3 states have internal predecessors, (53), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) Word has length 110 [2023-11-25 00:06:28,620 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-25 00:06:28,621 INFO L225 Difference]: With dead ends: 193 [2023-11-25 00:06:28,621 INFO L226 Difference]: Without dead ends: 97 [2023-11-25 00:06:28,622 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 109 GetRequests, 108 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 00:06:28,624 INFO L413 NwaCegarLoop]: 130 mSDtfsCounter, 0 mSDsluCounter, 128 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 258 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2023-11-25 00:06:28,624 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 258 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2023-11-25 00:06:28,625 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 97 states. [2023-11-25 00:06:28,634 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 97 to 97. [2023-11-25 00:06:28,635 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 97 states, 83 states have (on average 1.3975903614457832) internal successors, (116), 83 states have internal predecessors, (116), 12 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2023-11-25 00:06:28,636 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 97 states and 140 transitions. [2023-11-25 00:06:28,637 INFO L78 Accepts]: Start accepts. Automaton has 97 states and 140 transitions. Word has length 110 [2023-11-25 00:06:28,637 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-25 00:06:28,638 INFO L495 AbstractCegarLoop]: Abstraction has 97 states and 140 transitions. [2023-11-25 00:06:28,638 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 17.666666666666668) internal successors, (53), 3 states have internal predecessors, (53), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2023-11-25 00:06:28,638 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 140 transitions. [2023-11-25 00:06:28,640 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2023-11-25 00:06:28,640 INFO L187 NwaCegarLoop]: Found error trace [2023-11-25 00:06:28,641 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 00:06:28,658 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dc017b2-351d-46f2-a444-5396f94eb213/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 00:06:28,850 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dc017b2-351d-46f2-a444-5396f94eb213/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 00:06:28,850 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-25 00:06:28,851 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-25 00:06:28,851 INFO L85 PathProgramCache]: Analyzing trace with hash 956457485, now seen corresponding path program 1 times [2023-11-25 00:06:28,851 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-25 00:06:28,851 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1377834772] [2023-11-25 00:06:28,851 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-25 00:06:28,852 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 00:06:28,852 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dc017b2-351d-46f2-a444-5396f94eb213/bin/utaipan-verify-SwPr7d2a91/mathsat [2023-11-25 00:06:28,853 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dc017b2-351d-46f2-a444-5396f94eb213/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 00:06:28,854 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dc017b2-351d-46f2-a444-5396f94eb213/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 00:06:29,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-25 00:06:29,282 INFO L262 TraceCheckSpWp]: Trace formula consists of 249 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-25 00:06:29,287 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-25 00:06:29,360 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2023-11-25 00:06:29,360 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-25 00:06:29,361 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-25 00:06:29,361 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1377834772] [2023-11-25 00:06:29,361 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1377834772] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-25 00:06:29,362 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-25 00:06:29,362 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-25 00:06:29,362 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1848433013] [2023-11-25 00:06:29,362 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-25 00:06:29,363 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-25 00:06:29,363 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-25 00:06:29,364 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-25 00:06:29,364 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-25 00:06:29,365 INFO L87 Difference]: Start difference. First operand 97 states and 140 transitions. Second operand has 4 states, 4 states have (on average 13.25) internal successors, (53), 4 states have internal predecessors, (53), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2023-11-25 00:06:29,493 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-25 00:06:29,493 INFO L93 Difference]: Finished difference Result 214 states and 311 transitions. [2023-11-25 00:06:29,494 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-25 00:06:29,494 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 13.25) internal successors, (53), 4 states have internal predecessors, (53), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) Word has length 110 [2023-11-25 00:06:29,495 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-25 00:06:29,497 INFO L225 Difference]: With dead ends: 214 [2023-11-25 00:06:29,497 INFO L226 Difference]: Without dead ends: 118 [2023-11-25 00:06:29,498 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 110 GetRequests, 107 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 00:06:29,499 INFO L413 NwaCegarLoop]: 152 mSDtfsCounter, 39 mSDsluCounter, 270 mSDsCounter, 0 mSdLazyCounter, 26 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 39 SdHoareTripleChecker+Valid, 422 SdHoareTripleChecker+Invalid, 27 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 26 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-25 00:06:29,500 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [39 Valid, 422 Invalid, 27 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 26 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-25 00:06:29,501 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 118 states. [2023-11-25 00:06:29,510 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 118 to 99. [2023-11-25 00:06:29,511 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 99 states, 85 states have (on average 1.388235294117647) internal successors, (118), 85 states have internal predecessors, (118), 12 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2023-11-25 00:06:29,513 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 99 states and 142 transitions. [2023-11-25 00:06:29,513 INFO L78 Accepts]: Start accepts. Automaton has 99 states and 142 transitions. Word has length 110 [2023-11-25 00:06:29,514 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-25 00:06:29,514 INFO L495 AbstractCegarLoop]: Abstraction has 99 states and 142 transitions. [2023-11-25 00:06:29,514 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.25) internal successors, (53), 4 states have internal predecessors, (53), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2023-11-25 00:06:29,515 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 142 transitions. [2023-11-25 00:06:29,517 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2023-11-25 00:06:29,517 INFO L187 NwaCegarLoop]: Found error trace [2023-11-25 00:06:29,517 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 00:06:29,537 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dc017b2-351d-46f2-a444-5396f94eb213/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 00:06:29,735 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dc017b2-351d-46f2-a444-5396f94eb213/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 00:06:29,735 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-25 00:06:29,736 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-25 00:06:29,736 INFO L85 PathProgramCache]: Analyzing trace with hash -1250237038, now seen corresponding path program 1 times [2023-11-25 00:06:29,736 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-25 00:06:29,736 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1975627382] [2023-11-25 00:06:29,737 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-25 00:06:29,737 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 00:06:29,737 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dc017b2-351d-46f2-a444-5396f94eb213/bin/utaipan-verify-SwPr7d2a91/mathsat [2023-11-25 00:06:29,738 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dc017b2-351d-46f2-a444-5396f94eb213/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 00:06:29,739 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dc017b2-351d-46f2-a444-5396f94eb213/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 00:06:30,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-25 00:06:30,280 INFO L262 TraceCheckSpWp]: Trace formula consists of 255 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-25 00:06:30,284 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-25 00:06:30,378 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2023-11-25 00:06:30,378 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-25 00:06:30,378 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-25 00:06:30,378 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1975627382] [2023-11-25 00:06:30,379 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1975627382] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-25 00:06:30,379 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-25 00:06:30,379 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-25 00:06:30,379 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [115138413] [2023-11-25 00:06:30,379 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-25 00:06:30,380 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-25 00:06:30,380 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-25 00:06:30,381 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-25 00:06:30,381 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-11-25 00:06:30,381 INFO L87 Difference]: Start difference. First operand 99 states and 142 transitions. Second operand has 6 states, 6 states have (on average 9.166666666666666) internal successors, (55), 6 states have internal predecessors, (55), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2023-11-25 00:06:30,702 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-25 00:06:30,702 INFO L93 Difference]: Finished difference Result 221 states and 317 transitions. [2023-11-25 00:06:30,703 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-11-25 00:06:30,703 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.166666666666666) internal successors, (55), 6 states have internal predecessors, (55), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) Word has length 112 [2023-11-25 00:06:30,704 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-25 00:06:30,705 INFO L225 Difference]: With dead ends: 221 [2023-11-25 00:06:30,706 INFO L226 Difference]: Without dead ends: 123 [2023-11-25 00:06:30,706 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 117 GetRequests, 107 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2023-11-25 00:06:30,708 INFO L413 NwaCegarLoop]: 124 mSDtfsCounter, 53 mSDsluCounter, 489 mSDsCounter, 0 mSdLazyCounter, 61 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 53 SdHoareTripleChecker+Valid, 613 SdHoareTripleChecker+Invalid, 67 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 61 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-25 00:06:30,708 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [53 Valid, 613 Invalid, 67 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 61 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-25 00:06:30,709 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 123 states. [2023-11-25 00:06:30,718 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 123 to 105. [2023-11-25 00:06:30,718 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 105 states, 91 states have (on average 1.3626373626373627) internal successors, (124), 91 states have internal predecessors, (124), 12 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2023-11-25 00:06:30,720 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 105 states and 148 transitions. [2023-11-25 00:06:30,720 INFO L78 Accepts]: Start accepts. Automaton has 105 states and 148 transitions. Word has length 112 [2023-11-25 00:06:30,721 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-25 00:06:30,721 INFO L495 AbstractCegarLoop]: Abstraction has 105 states and 148 transitions. [2023-11-25 00:06:30,721 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.166666666666666) internal successors, (55), 6 states have internal predecessors, (55), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2023-11-25 00:06:30,721 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 148 transitions. [2023-11-25 00:06:30,723 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2023-11-25 00:06:30,723 INFO L187 NwaCegarLoop]: Found error trace [2023-11-25 00:06:30,724 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 00:06:30,739 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dc017b2-351d-46f2-a444-5396f94eb213/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)] Ended with exit code 0 [2023-11-25 00:06:30,933 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dc017b2-351d-46f2-a444-5396f94eb213/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 00:06:30,934 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-25 00:06:30,934 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-25 00:06:30,934 INFO L85 PathProgramCache]: Analyzing trace with hash -1192978736, now seen corresponding path program 1 times [2023-11-25 00:06:30,935 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-25 00:06:30,935 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [110775156] [2023-11-25 00:06:30,935 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-25 00:06:30,935 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 00:06:30,935 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dc017b2-351d-46f2-a444-5396f94eb213/bin/utaipan-verify-SwPr7d2a91/mathsat [2023-11-25 00:06:30,936 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dc017b2-351d-46f2-a444-5396f94eb213/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 00:06:30,938 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dc017b2-351d-46f2-a444-5396f94eb213/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 00:06:31,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-25 00:06:31,357 INFO L262 TraceCheckSpWp]: Trace formula consists of 252 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-25 00:06:31,362 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-25 00:06:31,476 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2023-11-25 00:06:31,476 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-25 00:06:31,476 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-25 00:06:31,477 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [110775156] [2023-11-25 00:06:31,477 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [110775156] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-25 00:06:31,477 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-25 00:06:31,477 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-11-25 00:06:31,477 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2015483331] [2023-11-25 00:06:31,477 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-25 00:06:31,478 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-25 00:06:31,478 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-25 00:06:31,478 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-25 00:06:31,478 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2023-11-25 00:06:31,479 INFO L87 Difference]: Start difference. First operand 105 states and 148 transitions. Second operand has 7 states, 7 states have (on average 7.857142857142857) internal successors, (55), 7 states have internal predecessors, (55), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2023-11-25 00:06:31,889 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-25 00:06:31,890 INFO L93 Difference]: Finished difference Result 228 states and 318 transitions. [2023-11-25 00:06:31,892 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2023-11-25 00:06:31,892 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 7.857142857142857) internal successors, (55), 7 states have internal predecessors, (55), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) Word has length 112 [2023-11-25 00:06:31,893 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-25 00:06:31,894 INFO L225 Difference]: With dead ends: 228 [2023-11-25 00:06:31,894 INFO L226 Difference]: Without dead ends: 124 [2023-11-25 00:06:31,895 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 121 GetRequests, 106 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 37 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=86, Invalid=186, Unknown=0, NotChecked=0, Total=272 [2023-11-25 00:06:31,896 INFO L413 NwaCegarLoop]: 123 mSDtfsCounter, 43 mSDsluCounter, 606 mSDsCounter, 0 mSdLazyCounter, 78 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 43 SdHoareTripleChecker+Valid, 729 SdHoareTripleChecker+Invalid, 82 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 78 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-25 00:06:31,896 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [43 Valid, 729 Invalid, 82 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 78 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-25 00:06:31,897 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 124 states. [2023-11-25 00:06:31,908 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 124 to 107. [2023-11-25 00:06:31,914 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 107 states, 93 states have (on average 1.3548387096774193) internal successors, (126), 93 states have internal predecessors, (126), 12 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2023-11-25 00:06:31,915 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 107 states and 150 transitions. [2023-11-25 00:06:31,919 INFO L78 Accepts]: Start accepts. Automaton has 107 states and 150 transitions. Word has length 112 [2023-11-25 00:06:31,919 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-25 00:06:31,920 INFO L495 AbstractCegarLoop]: Abstraction has 107 states and 150 transitions. [2023-11-25 00:06:31,921 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 7.857142857142857) internal successors, (55), 7 states have internal predecessors, (55), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2023-11-25 00:06:31,921 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 150 transitions. [2023-11-25 00:06:31,922 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2023-11-25 00:06:31,924 INFO L187 NwaCegarLoop]: Found error trace [2023-11-25 00:06:31,924 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 00:06:31,939 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dc017b2-351d-46f2-a444-5396f94eb213/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)] Forceful destruction successful, exit code 0 [2023-11-25 00:06:32,135 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dc017b2-351d-46f2-a444-5396f94eb213/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 00:06:32,135 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-25 00:06:32,136 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-25 00:06:32,136 INFO L85 PathProgramCache]: Analyzing trace with hash -1192919154, now seen corresponding path program 1 times [2023-11-25 00:06:32,136 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-25 00:06:32,136 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1664077841] [2023-11-25 00:06:32,136 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-25 00:06:32,136 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 00:06:32,137 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dc017b2-351d-46f2-a444-5396f94eb213/bin/utaipan-verify-SwPr7d2a91/mathsat [2023-11-25 00:06:32,138 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dc017b2-351d-46f2-a444-5396f94eb213/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 00:06:32,142 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dc017b2-351d-46f2-a444-5396f94eb213/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 (9)] Waiting until timeout for monitored process [2023-11-25 00:06:32,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-25 00:06:32,643 INFO L262 TraceCheckSpWp]: Trace formula consists of 249 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-25 00:06:32,647 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-25 00:06:32,919 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-25 00:06:32,919 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 00:06:32,976 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 128 proven. 0 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2023-11-25 00:06:32,976 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-25 00:06:32,976 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-25 00:06:32,977 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1664077841] [2023-11-25 00:06:32,977 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1664077841] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-25 00:06:32,977 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-25 00:06:32,977 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-25 00:06:32,977 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [243368716] [2023-11-25 00:06:32,978 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-25 00:06:32,978 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-25 00:06:32,978 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-25 00:06:32,979 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-25 00:06:32,979 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2023-11-25 00:06:32,979 INFO L87 Difference]: Start difference. First operand 107 states and 150 transitions. Second operand has 6 states, 6 states have (on average 9.666666666666666) internal successors, (58), 5 states have internal predecessors, (58), 2 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2023-11-25 00:06:35,530 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.72s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-25 00:06:37,389 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.30s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-25 00:06:37,488 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-25 00:06:37,488 INFO L93 Difference]: Finished difference Result 219 states and 308 transitions. [2023-11-25 00:06:37,490 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-11-25 00:06:37,490 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.666666666666666) internal successors, (58), 5 states have internal predecessors, (58), 2 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 112 [2023-11-25 00:06:37,490 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-25 00:06:37,491 INFO L225 Difference]: With dead ends: 219 [2023-11-25 00:06:37,492 INFO L226 Difference]: Without dead ends: 113 [2023-11-25 00:06:37,492 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 115 GetRequests, 107 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=35, Invalid=55, Unknown=0, NotChecked=0, Total=90 [2023-11-25 00:06:37,493 INFO L413 NwaCegarLoop]: 111 mSDtfsCounter, 132 mSDsluCounter, 260 mSDsCounter, 0 mSdLazyCounter, 161 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 132 SdHoareTripleChecker+Valid, 371 SdHoareTripleChecker+Invalid, 166 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 161 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.4s IncrementalHoareTripleChecker+Time [2023-11-25 00:06:37,493 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [132 Valid, 371 Invalid, 166 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 161 Invalid, 0 Unknown, 0 Unchecked, 4.4s Time] [2023-11-25 00:06:37,494 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 113 states. [2023-11-25 00:06:37,499 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 113 to 107. [2023-11-25 00:06:37,500 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 107 states, 93 states have (on average 1.3440860215053763) internal successors, (125), 93 states have internal predecessors, (125), 12 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2023-11-25 00:06:37,501 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 107 states and 149 transitions. [2023-11-25 00:06:37,501 INFO L78 Accepts]: Start accepts. Automaton has 107 states and 149 transitions. Word has length 112 [2023-11-25 00:06:37,501 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-25 00:06:37,501 INFO L495 AbstractCegarLoop]: Abstraction has 107 states and 149 transitions. [2023-11-25 00:06:37,502 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.666666666666666) internal successors, (58), 5 states have internal predecessors, (58), 2 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2023-11-25 00:06:37,502 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 149 transitions. [2023-11-25 00:06:37,503 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2023-11-25 00:06:37,503 INFO L187 NwaCegarLoop]: Found error trace [2023-11-25 00:06:37,504 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 00:06:37,518 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dc017b2-351d-46f2-a444-5396f94eb213/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 (9)] Ended with exit code 0 [2023-11-25 00:06:37,714 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dc017b2-351d-46f2-a444-5396f94eb213/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 00:06:37,714 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-25 00:06:37,714 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-25 00:06:37,714 INFO L85 PathProgramCache]: Analyzing trace with hash -1900154038, now seen corresponding path program 1 times [2023-11-25 00:06:37,715 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-25 00:06:37,715 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1317571244] [2023-11-25 00:06:37,715 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-25 00:06:37,715 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 00:06:37,715 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dc017b2-351d-46f2-a444-5396f94eb213/bin/utaipan-verify-SwPr7d2a91/mathsat [2023-11-25 00:06:37,716 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dc017b2-351d-46f2-a444-5396f94eb213/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 00:06:37,717 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dc017b2-351d-46f2-a444-5396f94eb213/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 (10)] Waiting until timeout for monitored process [2023-11-25 00:06:38,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-25 00:06:38,124 INFO L262 TraceCheckSpWp]: Trace formula consists of 253 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-25 00:06:38,127 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-25 00:06:38,215 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 152 proven. 0 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2023-11-25 00:06:38,215 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-25 00:06:38,216 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-25 00:06:38,216 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1317571244] [2023-11-25 00:06:38,216 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1317571244] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-25 00:06:38,216 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-25 00:06:38,216 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-25 00:06:38,217 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1121159300] [2023-11-25 00:06:38,217 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-25 00:06:38,217 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-25 00:06:38,217 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-25 00:06:38,218 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-25 00:06:38,218 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-11-25 00:06:38,219 INFO L87 Difference]: Start difference. First operand 107 states and 149 transitions. Second operand has 6 states, 5 states have (on average 12.6) internal successors, (63), 6 states have internal predecessors, (63), 3 states have call successors, (12), 2 states have call predecessors, (12), 3 states have return successors, (12), 2 states have call predecessors, (12), 3 states have call successors, (12) [2023-11-25 00:06:38,603 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-25 00:06:38,603 INFO L93 Difference]: Finished difference Result 217 states and 302 transitions. [2023-11-25 00:06:38,604 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-25 00:06:38,604 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 12.6) internal successors, (63), 6 states have internal predecessors, (63), 3 states have call successors, (12), 2 states have call predecessors, (12), 3 states have return successors, (12), 2 states have call predecessors, (12), 3 states have call successors, (12) Word has length 114 [2023-11-25 00:06:38,604 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-25 00:06:38,605 INFO L225 Difference]: With dead ends: 217 [2023-11-25 00:06:38,605 INFO L226 Difference]: Without dead ends: 109 [2023-11-25 00:06:38,606 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 115 GetRequests, 109 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2023-11-25 00:06:38,606 INFO L413 NwaCegarLoop]: 115 mSDtfsCounter, 7 mSDsluCounter, 425 mSDsCounter, 0 mSdLazyCounter, 119 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 540 SdHoareTripleChecker+Invalid, 122 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 119 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-11-25 00:06:38,607 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7 Valid, 540 Invalid, 122 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 119 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-11-25 00:06:38,607 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 109 states. [2023-11-25 00:06:38,613 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 109 to 107. [2023-11-25 00:06:38,614 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 107 states, 93 states have (on average 1.3333333333333333) internal successors, (124), 93 states have internal predecessors, (124), 12 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2023-11-25 00:06:38,615 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 107 states and 148 transitions. [2023-11-25 00:06:38,615 INFO L78 Accepts]: Start accepts. Automaton has 107 states and 148 transitions. Word has length 114 [2023-11-25 00:06:38,615 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-25 00:06:38,616 INFO L495 AbstractCegarLoop]: Abstraction has 107 states and 148 transitions. [2023-11-25 00:06:38,616 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 12.6) internal successors, (63), 6 states have internal predecessors, (63), 3 states have call successors, (12), 2 states have call predecessors, (12), 3 states have return successors, (12), 2 states have call predecessors, (12), 3 states have call successors, (12) [2023-11-25 00:06:38,616 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 148 transitions. [2023-11-25 00:06:38,617 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2023-11-25 00:06:38,617 INFO L187 NwaCegarLoop]: Found error trace [2023-11-25 00:06:38,618 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 00:06:38,634 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dc017b2-351d-46f2-a444-5396f94eb213/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 (10)] Ended with exit code 0 [2023-11-25 00:06:38,828 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dc017b2-351d-46f2-a444-5396f94eb213/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 00:06:38,828 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-25 00:06:38,828 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-25 00:06:38,828 INFO L85 PathProgramCache]: Analyzing trace with hash 518330440, now seen corresponding path program 1 times [2023-11-25 00:06:38,829 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-25 00:06:38,829 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1590382555] [2023-11-25 00:06:38,829 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-25 00:06:38,829 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 00:06:38,830 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dc017b2-351d-46f2-a444-5396f94eb213/bin/utaipan-verify-SwPr7d2a91/mathsat [2023-11-25 00:06:38,831 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dc017b2-351d-46f2-a444-5396f94eb213/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 00:06:38,833 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dc017b2-351d-46f2-a444-5396f94eb213/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 (11)] Waiting until timeout for monitored process [2023-11-25 00:06:39,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-25 00:06:39,263 INFO L262 TraceCheckSpWp]: Trace formula consists of 255 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-25 00:06:39,267 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-25 00:06:39,542 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-25 00:06:39,543 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 00:06:39,598 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 140 proven. 0 refuted. 0 times theorem prover too weak. 124 trivial. 0 not checked. [2023-11-25 00:06:39,599 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-25 00:06:39,599 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-25 00:06:39,599 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1590382555] [2023-11-25 00:06:39,599 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1590382555] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-25 00:06:39,599 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-25 00:06:39,600 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-25 00:06:39,600 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1459867794] [2023-11-25 00:06:39,600 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-25 00:06:39,600 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-25 00:06:39,601 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-25 00:06:39,601 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-25 00:06:39,601 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2023-11-25 00:06:39,602 INFO L87 Difference]: Start difference. First operand 107 states and 148 transitions. Second operand has 6 states, 6 states have (on average 10.0) internal successors, (60), 5 states have internal predecessors, (60), 2 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2023-11-25 00:06:41,803 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.39s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-25 00:06:43,846 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.51s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-25 00:06:43,958 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-25 00:06:43,959 INFO L93 Difference]: Finished difference Result 219 states and 304 transitions. [2023-11-25 00:06:43,961 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-11-25 00:06:43,962 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 10.0) internal successors, (60), 5 states have internal predecessors, (60), 2 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 114 [2023-11-25 00:06:43,962 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-25 00:06:43,963 INFO L225 Difference]: With dead ends: 219 [2023-11-25 00:06:43,963 INFO L226 Difference]: Without dead ends: 113 [2023-11-25 00:06:43,964 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 117 GetRequests, 109 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=35, Invalid=55, Unknown=0, NotChecked=0, Total=90 [2023-11-25 00:06:43,964 INFO L413 NwaCegarLoop]: 109 mSDtfsCounter, 120 mSDsluCounter, 254 mSDsCounter, 0 mSdLazyCounter, 161 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 120 SdHoareTripleChecker+Valid, 363 SdHoareTripleChecker+Invalid, 166 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 161 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.2s IncrementalHoareTripleChecker+Time [2023-11-25 00:06:43,965 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [120 Valid, 363 Invalid, 166 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 161 Invalid, 0 Unknown, 0 Unchecked, 4.2s Time] [2023-11-25 00:06:43,965 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 113 states. [2023-11-25 00:06:43,970 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 113 to 107. [2023-11-25 00:06:43,971 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 107 states, 93 states have (on average 1.3225806451612903) internal successors, (123), 93 states have internal predecessors, (123), 12 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2023-11-25 00:06:43,972 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 107 states and 147 transitions. [2023-11-25 00:06:43,972 INFO L78 Accepts]: Start accepts. Automaton has 107 states and 147 transitions. Word has length 114 [2023-11-25 00:06:43,972 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-25 00:06:43,972 INFO L495 AbstractCegarLoop]: Abstraction has 107 states and 147 transitions. [2023-11-25 00:06:43,973 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.0) internal successors, (60), 5 states have internal predecessors, (60), 2 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2023-11-25 00:06:43,973 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 147 transitions. [2023-11-25 00:06:43,974 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2023-11-25 00:06:43,974 INFO L187 NwaCegarLoop]: Found error trace [2023-11-25 00:06:43,974 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 00:06:43,985 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dc017b2-351d-46f2-a444-5396f94eb213/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 (11)] Forceful destruction successful, exit code 0 [2023-11-25 00:06:44,184 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dc017b2-351d-46f2-a444-5396f94eb213/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 00:06:44,185 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-25 00:06:44,185 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-25 00:06:44,185 INFO L85 PathProgramCache]: Analyzing trace with hash 1103228494, now seen corresponding path program 1 times [2023-11-25 00:06:44,186 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-25 00:06:44,186 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2041686932] [2023-11-25 00:06:44,186 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-25 00:06:44,186 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 00:06:44,186 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dc017b2-351d-46f2-a444-5396f94eb213/bin/utaipan-verify-SwPr7d2a91/mathsat [2023-11-25 00:06:44,187 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dc017b2-351d-46f2-a444-5396f94eb213/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 00:06:44,224 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dc017b2-351d-46f2-a444-5396f94eb213/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 (12)] Waiting until timeout for monitored process [2023-11-25 00:06:44,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-25 00:06:44,661 INFO L262 TraceCheckSpWp]: Trace formula consists of 261 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-25 00:06:44,664 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-25 00:06:45,037 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-25 00:06:45,037 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 175 treesize of output 67 [2023-11-25 00:06:45,088 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 144 proven. 0 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2023-11-25 00:06:45,088 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-25 00:06:45,088 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-25 00:06:45,088 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2041686932] [2023-11-25 00:06:45,088 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2041686932] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-25 00:06:45,088 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-25 00:06:45,088 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-25 00:06:45,088 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [15743405] [2023-11-25 00:06:45,089 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-25 00:06:45,089 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-25 00:06:45,089 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-25 00:06:45,090 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-25 00:06:45,090 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2023-11-25 00:06:45,090 INFO L87 Difference]: Start difference. First operand 107 states and 147 transitions. Second operand has 6 states, 6 states have (on average 10.333333333333334) internal successors, (62), 5 states have internal predecessors, (62), 2 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2023-11-25 00:06:47,302 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.36s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-25 00:06:49,242 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.49s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-25 00:06:49,365 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-25 00:06:49,365 INFO L93 Difference]: Finished difference Result 217 states and 299 transitions. [2023-11-25 00:06:49,366 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-11-25 00:06:49,366 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 10.333333333333334) internal successors, (62), 5 states have internal predecessors, (62), 2 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 116 [2023-11-25 00:06:49,366 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-25 00:06:49,370 INFO L225 Difference]: With dead ends: 217 [2023-11-25 00:06:49,370 INFO L226 Difference]: Without dead ends: 111 [2023-11-25 00:06:49,371 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 119 GetRequests, 111 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=35, Invalid=55, Unknown=0, NotChecked=0, Total=90 [2023-11-25 00:06:49,372 INFO L413 NwaCegarLoop]: 105 mSDtfsCounter, 126 mSDsluCounter, 249 mSDsCounter, 0 mSdLazyCounter, 156 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 126 SdHoareTripleChecker+Valid, 354 SdHoareTripleChecker+Invalid, 162 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 156 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.1s IncrementalHoareTripleChecker+Time [2023-11-25 00:06:49,372 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [126 Valid, 354 Invalid, 162 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 156 Invalid, 0 Unknown, 0 Unchecked, 4.1s Time] [2023-11-25 00:06:49,373 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 111 states. [2023-11-25 00:06:49,388 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 111 to 105. [2023-11-25 00:06:49,388 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 105 states, 91 states have (on average 1.3186813186813187) internal successors, (120), 91 states have internal predecessors, (120), 12 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2023-11-25 00:06:49,390 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 105 states and 144 transitions. [2023-11-25 00:06:49,390 INFO L78 Accepts]: Start accepts. Automaton has 105 states and 144 transitions. Word has length 116 [2023-11-25 00:06:49,391 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-25 00:06:49,391 INFO L495 AbstractCegarLoop]: Abstraction has 105 states and 144 transitions. [2023-11-25 00:06:49,391 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.333333333333334) internal successors, (62), 5 states have internal predecessors, (62), 2 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2023-11-25 00:06:49,391 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 144 transitions. [2023-11-25 00:06:49,393 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2023-11-25 00:06:49,393 INFO L187 NwaCegarLoop]: Found error trace [2023-11-25 00:06:49,394 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 00:06:49,410 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dc017b2-351d-46f2-a444-5396f94eb213/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 (12)] Forceful destruction successful, exit code 0 [2023-11-25 00:06:49,605 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dc017b2-351d-46f2-a444-5396f94eb213/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 00:06:49,605 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-25 00:06:49,606 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-25 00:06:49,606 INFO L85 PathProgramCache]: Analyzing trace with hash 1587091014, now seen corresponding path program 1 times [2023-11-25 00:06:49,606 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-25 00:06:49,606 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [219950738] [2023-11-25 00:06:49,606 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-25 00:06:49,606 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 00:06:49,607 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dc017b2-351d-46f2-a444-5396f94eb213/bin/utaipan-verify-SwPr7d2a91/mathsat [2023-11-25 00:06:49,607 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dc017b2-351d-46f2-a444-5396f94eb213/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 00:06:49,608 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dc017b2-351d-46f2-a444-5396f94eb213/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 (13)] Waiting until timeout for monitored process [2023-11-25 00:06:50,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-25 00:06:50,051 INFO L262 TraceCheckSpWp]: Trace formula consists of 265 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-25 00:06:50,055 INFO L285 TraceCheckSpWp]: Computing forward predicates...