./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-48.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_4d7e45f9-6551-4225-96bf-f30aabb7187f/bin/utaipan-verify-SwPr7d2a91/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d7e45f9-6551-4225-96bf-f30aabb7187f/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_4d7e45f9-6551-4225-96bf-f30aabb7187f/bin/utaipan-verify-SwPr7d2a91/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d7e45f9-6551-4225-96bf-f30aabb7187f/bin/utaipan-verify-SwPr7d2a91/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-48.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d7e45f9-6551-4225-96bf-f30aabb7187f/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_4d7e45f9-6551-4225-96bf-f30aabb7187f/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 b209b13322483f0de6355983dfc45de7dda6e23f708a5a679f61eb11dccb6a42 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-25 00:10:21,231 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-25 00:10:21,317 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d7e45f9-6551-4225-96bf-f30aabb7187f/bin/utaipan-verify-SwPr7d2a91/config/svcomp-Reach-32bit-Taipan_Default.epf [2023-11-25 00:10:21,324 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-25 00:10:21,324 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-25 00:10:21,351 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-25 00:10:21,352 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-25 00:10:21,352 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-25 00:10:21,353 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-25 00:10:21,354 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-25 00:10:21,354 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-25 00:10:21,355 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-25 00:10:21,355 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-25 00:10:21,356 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-25 00:10:21,356 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-25 00:10:21,360 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-25 00:10:21,360 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-25 00:10:21,361 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-25 00:10:21,362 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-25 00:10:21,362 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-25 00:10:21,363 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-25 00:10:21,367 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-25 00:10:21,368 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-25 00:10:21,369 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-25 00:10:21,369 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-25 00:10:21,373 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-25 00:10:21,374 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-25 00:10:21,374 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-25 00:10:21,375 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-25 00:10:21,375 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-25 00:10:21,375 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-25 00:10:21,376 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-25 00:10:21,376 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-25 00:10:21,377 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-25 00:10:21,377 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-25 00:10:21,377 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-25 00:10:21,378 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-25 00:10:21,379 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-25 00:10:21,379 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-25 00:10:21,380 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-25 00:10:21,380 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-25 00:10:21,380 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-25 00:10:21,381 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-25 00:10:21,381 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-25 00:10:21,381 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-25 00:10:21,381 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-25 00:10:21,381 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-25 00:10:21,382 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_4d7e45f9-6551-4225-96bf-f30aabb7187f/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d7e45f9-6551-4225-96bf-f30aabb7187f/bin/utaipan-verify-SwPr7d2a91 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b209b13322483f0de6355983dfc45de7dda6e23f708a5a679f61eb11dccb6a42 [2023-11-25 00:10:21,659 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-25 00:10:21,691 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-25 00:10:21,694 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-25 00:10:21,697 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-25 00:10:21,697 INFO L274 PluginConnector]: CDTParser initialized [2023-11-25 00:10:21,698 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d7e45f9-6551-4225-96bf-f30aabb7187f/bin/utaipan-verify-SwPr7d2a91/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-48.i [2023-11-25 00:10:24,984 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-25 00:10:25,315 INFO L384 CDTParser]: Found 1 translation units. [2023-11-25 00:10:25,316 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d7e45f9-6551-4225-96bf-f30aabb7187f/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-48.i [2023-11-25 00:10:25,338 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d7e45f9-6551-4225-96bf-f30aabb7187f/bin/utaipan-verify-SwPr7d2a91/data/b6b3af708/c6557676f24b420f9929a7e7f833043a/FLAG82436e4ae [2023-11-25 00:10:25,354 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d7e45f9-6551-4225-96bf-f30aabb7187f/bin/utaipan-verify-SwPr7d2a91/data/b6b3af708/c6557676f24b420f9929a7e7f833043a [2023-11-25 00:10:25,357 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-25 00:10:25,359 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-25 00:10:25,360 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-25 00:10:25,361 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-25 00:10:25,368 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-25 00:10:25,369 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 12:10:25" (1/1) ... [2023-11-25 00:10:25,370 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@570a9cbf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:10:25, skipping insertion in model container [2023-11-25 00:10:25,370 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 12:10:25" (1/1) ... [2023-11-25 00:10:25,408 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-25 00:10:25,635 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_4d7e45f9-6551-4225-96bf-f30aabb7187f/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-48.i[916,929] [2023-11-25 00:10:25,744 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-25 00:10:25,758 INFO L202 MainTranslator]: Completed pre-run [2023-11-25 00:10:25,772 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_4d7e45f9-6551-4225-96bf-f30aabb7187f/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-48.i[916,929] [2023-11-25 00:10:25,819 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-25 00:10:25,842 INFO L206 MainTranslator]: Completed translation [2023-11-25 00:10:25,842 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:10:25 WrapperNode [2023-11-25 00:10:25,843 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-25 00:10:25,844 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-25 00:10:25,844 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-25 00:10:25,844 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-25 00:10:25,854 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:10:25" (1/1) ... [2023-11-25 00:10:25,874 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:10:25" (1/1) ... [2023-11-25 00:10:25,964 INFO L138 Inliner]: procedures = 29, calls = 180, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 456 [2023-11-25 00:10:25,964 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-25 00:10:25,965 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-25 00:10:25,965 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-25 00:10:25,977 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-25 00:10:25,988 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:10:25" (1/1) ... [2023-11-25 00:10:25,989 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:10:25" (1/1) ... [2023-11-25 00:10:26,025 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:10:25" (1/1) ... [2023-11-25 00:10:26,026 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:10:25" (1/1) ... [2023-11-25 00:10:26,079 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:10:25" (1/1) ... [2023-11-25 00:10:26,089 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:10:25" (1/1) ... [2023-11-25 00:10:26,093 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:10:25" (1/1) ... [2023-11-25 00:10:26,097 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:10:25" (1/1) ... [2023-11-25 00:10:26,122 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-25 00:10:26,125 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-25 00:10:26,126 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-25 00:10:26,126 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-25 00:10:26,127 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:10:25" (1/1) ... [2023-11-25 00:10:26,138 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-25 00:10:26,152 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d7e45f9-6551-4225-96bf-f30aabb7187f/bin/utaipan-verify-SwPr7d2a91/z3 [2023-11-25 00:10:26,175 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d7e45f9-6551-4225-96bf-f30aabb7187f/bin/utaipan-verify-SwPr7d2a91/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-25 00:10:26,200 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d7e45f9-6551-4225-96bf-f30aabb7187f/bin/utaipan-verify-SwPr7d2a91/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-25 00:10:26,229 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-25 00:10:26,230 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-25 00:10:26,230 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2023-11-25 00:10:26,230 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2023-11-25 00:10:26,233 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-25 00:10:26,234 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real [2023-11-25 00:10:26,234 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-25 00:10:26,234 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-25 00:10:26,234 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-25 00:10:26,234 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-25 00:10:26,235 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-25 00:10:26,423 INFO L241 CfgBuilder]: Building ICFG [2023-11-25 00:10:26,426 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-25 00:10:27,289 INFO L282 CfgBuilder]: Performing block encoding [2023-11-25 00:10:27,878 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-25 00:10:27,878 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-25 00:10:27,881 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 12:10:27 BoogieIcfgContainer [2023-11-25 00:10:27,882 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-25 00:10:27,887 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-25 00:10:27,887 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-25 00:10:27,890 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-25 00:10:27,891 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.11 12:10:25" (1/3) ... [2023-11-25 00:10:27,893 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@51871e87 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 12:10:27, skipping insertion in model container [2023-11-25 00:10:27,893 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:10:25" (2/3) ... [2023-11-25 00:10:27,895 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@51871e87 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 12:10:27, skipping insertion in model container [2023-11-25 00:10:27,895 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 12:10:27" (3/3) ... [2023-11-25 00:10:27,898 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_wrapper-a_file-48.i [2023-11-25 00:10:27,920 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-25 00:10:27,921 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-25 00:10:27,992 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-25 00:10:28,000 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;@2b7a842e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-25 00:10:28,001 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-25 00:10:28,006 INFO L276 IsEmpty]: Start isEmpty. Operand has 51 states, 27 states have (on average 1.1111111111111112) internal successors, (30), 28 states have internal predecessors, (30), 21 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) [2023-11-25 00:10:28,029 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2023-11-25 00:10:28,030 INFO L187 NwaCegarLoop]: Found error trace [2023-11-25 00:10:28,031 INFO L195 NwaCegarLoop]: trace histogram [21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 00:10:28,032 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-25 00:10:28,041 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-25 00:10:28,042 INFO L85 PathProgramCache]: Analyzing trace with hash 2141339261, now seen corresponding path program 1 times [2023-11-25 00:10:28,054 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-25 00:10:28,055 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1241417090] [2023-11-25 00:10:28,055 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-25 00:10:28,056 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-25 00:10:30,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-25 00:10:30,605 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-25 00:10:31,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-25 00:10:32,022 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2023-11-25 00:10:32,024 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-25 00:10:32,026 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-25 00:10:32,029 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-25 00:10:32,034 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-11-25 00:10:32,043 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-25 00:10:32,160 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem32 could not be translated [2023-11-25 00:10:32,163 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem32 could not be translated [2023-11-25 00:10:32,163 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem33 could not be translated [2023-11-25 00:10:32,164 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem33 could not be translated [2023-11-25 00:10:32,165 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem36 could not be translated [2023-11-25 00:10:32,165 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short40 could not be translated [2023-11-25 00:10:32,165 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short41 could not be translated [2023-11-25 00:10:32,166 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short37 could not be translated [2023-11-25 00:10:32,166 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem38 could not be translated [2023-11-25 00:10:32,166 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem39 could not be translated [2023-11-25 00:10:32,166 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem35 could not be translated [2023-11-25 00:10:32,168 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short37 could not be translated [2023-11-25 00:10:32,169 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short41 could not be translated [2023-11-25 00:10:32,169 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem36 could not be translated [2023-11-25 00:10:32,169 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem35 could not be translated [2023-11-25 00:10:32,169 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem39 could not be translated [2023-11-25 00:10:32,170 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short40 could not be translated [2023-11-25 00:10:32,170 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem38 could not be translated [2023-11-25 00:10:32,172 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem44 could not be translated [2023-11-25 00:10:32,180 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short49 could not be translated [2023-11-25 00:10:32,180 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem47 could not be translated [2023-11-25 00:10:32,180 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short48 could not be translated [2023-11-25 00:10:32,181 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short45 could not be translated [2023-11-25 00:10:32,181 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem46 could not be translated [2023-11-25 00:10:32,181 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem43 could not be translated [2023-11-25 00:10:32,182 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short48 could not be translated [2023-11-25 00:10:32,183 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short49 could not be translated [2023-11-25 00:10:32,184 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem43 could not be translated [2023-11-25 00:10:32,184 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem47 could not be translated [2023-11-25 00:10:32,184 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short45 could not be translated [2023-11-25 00:10:32,185 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem44 could not be translated [2023-11-25 00:10:32,186 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem46 could not be translated [2023-11-25 00:10:32,186 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short57 could not be translated [2023-11-25 00:10:32,187 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem55 could not be translated [2023-11-25 00:10:32,188 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem54 could not be translated [2023-11-25 00:10:32,188 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem52 could not be translated [2023-11-25 00:10:32,188 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short53 could not be translated [2023-11-25 00:10:32,189 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem51 could not be translated [2023-11-25 00:10:32,189 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short56 could not be translated [2023-11-25 00:10:32,191 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem51 could not be translated [2023-11-25 00:10:32,191 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem54 could not be translated [2023-11-25 00:10:32,191 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short53 could not be translated [2023-11-25 00:10:32,192 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem55 could not be translated [2023-11-25 00:10:32,192 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short56 could not be translated [2023-11-25 00:10:32,193 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem52 could not be translated [2023-11-25 00:10:32,193 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short57 could not be translated [2023-11-25 00:10:32,195 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem62 could not be translated [2023-11-25 00:10:32,195 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short64 could not be translated [2023-11-25 00:10:32,195 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem59 could not be translated [2023-11-25 00:10:32,196 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short65 could not be translated [2023-11-25 00:10:32,196 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem63 could not be translated [2023-11-25 00:10:32,196 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem60 could not be translated [2023-11-25 00:10:32,197 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short61 could not be translated [2023-11-25 00:10:32,197 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem63 could not be translated [2023-11-25 00:10:32,197 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short61 could not be translated [2023-11-25 00:10:32,198 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem60 could not be translated [2023-11-25 00:10:32,198 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem62 could not be translated [2023-11-25 00:10:32,199 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short64 could not be translated [2023-11-25 00:10:32,199 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short65 could not be translated [2023-11-25 00:10:32,200 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem59 could not be translated [2023-11-25 00:10:32,201 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short73 could not be translated [2023-11-25 00:10:32,201 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short69 could not be translated [2023-11-25 00:10:32,202 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem67 could not be translated [2023-11-25 00:10:32,203 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem71 could not be translated [2023-11-25 00:10:32,203 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem68 could not be translated [2023-11-25 00:10:32,203 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short72 could not be translated [2023-11-25 00:10:32,204 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem70 could not be translated [2023-11-25 00:10:32,210 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short72 could not be translated [2023-11-25 00:10:32,211 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem68 could not be translated [2023-11-25 00:10:32,211 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem70 could not be translated [2023-11-25 00:10:32,211 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short73 could not be translated [2023-11-25 00:10:32,212 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short69 could not be translated [2023-11-25 00:10:32,212 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem67 could not be translated [2023-11-25 00:10:32,212 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem71 could not be translated [2023-11-25 00:10:32,214 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem75 could not be translated [2023-11-25 00:10:32,217 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem75 could not be translated [2023-11-25 00:10:32,218 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem76 could not be translated [2023-11-25 00:10:32,219 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem76 could not be translated [2023-11-25 00:10:32,220 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem78 could not be translated [2023-11-25 00:10:32,222 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem78 could not be translated [2023-11-25 00:10:32,223 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem79 could not be translated [2023-11-25 00:10:32,224 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem79 could not be translated [2023-11-25 00:10:32,225 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem81 could not be translated [2023-11-25 00:10:32,228 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem81 could not be translated [2023-11-25 00:10:32,229 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem82 could not be translated [2023-11-25 00:10:32,230 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem82 could not be translated [2023-11-25 00:10:32,230 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem84 could not be translated [2023-11-25 00:10:32,231 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem84 could not be translated [2023-11-25 00:10:32,232 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem85 could not be translated [2023-11-25 00:10:32,233 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem85 could not be translated [2023-11-25 00:10:32,233 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem87 could not be translated [2023-11-25 00:10:32,235 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem87 could not be translated [2023-11-25 00:10:32,237 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem88 could not be translated [2023-11-25 00:10:32,239 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem88 could not be translated [2023-11-25 00:10:32,240 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem90 could not be translated [2023-11-25 00:10:32,241 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem90 could not be translated [2023-11-25 00:10:32,241 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem91 could not be translated [2023-11-25 00:10:32,243 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem91 could not be translated [2023-11-25 00:10:32,245 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem93 could not be translated [2023-11-25 00:10:32,247 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem93 could not be translated [2023-11-25 00:10:32,247 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem94 could not be translated [2023-11-25 00:10:32,249 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem94 could not be translated [2023-11-25 00:10:32,280 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.11 12:10:32 BoogieIcfgContainer [2023-11-25 00:10:32,280 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-25 00:10:32,281 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-25 00:10:32,281 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-25 00:10:32,281 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-25 00:10:32,282 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 12:10:27" (3/4) ... [2023-11-25 00:10:32,284 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-25 00:10:32,286 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-25 00:10:32,288 INFO L158 Benchmark]: Toolchain (without parser) took 6928.82ms. Allocated memory was 121.6MB in the beginning and 228.6MB in the end (delta: 107.0MB). Free memory was 87.4MB in the beginning and 182.9MB in the end (delta: -95.5MB). Peak memory consumption was 13.3MB. Max. memory is 16.1GB. [2023-11-25 00:10:32,288 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 121.6MB. Free memory is still 92.8MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-25 00:10:32,289 INFO L158 Benchmark]: CACSL2BoogieTranslator took 482.75ms. Allocated memory is still 121.6MB. Free memory was 87.4MB in the beginning and 71.0MB in the end (delta: 16.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-11-25 00:10:32,290 INFO L158 Benchmark]: Boogie Procedure Inliner took 120.43ms. Allocated memory is still 121.6MB. Free memory was 71.0MB in the beginning and 66.4MB in the end (delta: 4.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-25 00:10:32,291 INFO L158 Benchmark]: Boogie Preprocessor took 159.13ms. Allocated memory is still 121.6MB. Free memory was 66.4MB in the beginning and 63.2MB in the end (delta: 3.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-25 00:10:32,292 INFO L158 Benchmark]: RCFGBuilder took 1756.81ms. Allocated memory was 121.6MB in the beginning and 148.9MB in the end (delta: 27.3MB). Free memory was 63.0MB in the beginning and 96.3MB in the end (delta: -33.3MB). Peak memory consumption was 41.1MB. Max. memory is 16.1GB. [2023-11-25 00:10:32,293 INFO L158 Benchmark]: TraceAbstraction took 4393.53ms. Allocated memory was 148.9MB in the beginning and 228.6MB in the end (delta: 79.7MB). Free memory was 96.3MB in the beginning and 183.9MB in the end (delta: -87.6MB). Peak memory consumption was 100.5MB. Max. memory is 16.1GB. [2023-11-25 00:10:32,294 INFO L158 Benchmark]: Witness Printer took 5.53ms. Allocated memory is still 228.6MB. Free memory was 183.9MB in the beginning and 182.9MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-25 00:10:32,299 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20ms. Allocated memory is still 121.6MB. Free memory is still 92.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 482.75ms. Allocated memory is still 121.6MB. Free memory was 87.4MB in the beginning and 71.0MB in the end (delta: 16.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 120.43ms. Allocated memory is still 121.6MB. Free memory was 71.0MB in the beginning and 66.4MB in the end (delta: 4.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 159.13ms. Allocated memory is still 121.6MB. Free memory was 66.4MB in the beginning and 63.2MB in the end (delta: 3.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1756.81ms. Allocated memory was 121.6MB in the beginning and 148.9MB in the end (delta: 27.3MB). Free memory was 63.0MB in the beginning and 96.3MB in the end (delta: -33.3MB). Peak memory consumption was 41.1MB. Max. memory is 16.1GB. * TraceAbstraction took 4393.53ms. Allocated memory was 148.9MB in the beginning and 228.6MB in the end (delta: 79.7MB). Free memory was 96.3MB in the beginning and 183.9MB in the end (delta: -87.6MB). Peak memory consumption was 100.5MB. Max. memory is 16.1GB. * Witness Printer took 5.53ms. Allocated memory is still 228.6MB. Free memory was 183.9MB in the beginning and 182.9MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem32 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem32 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem33 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem33 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem36 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short40 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short41 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short37 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem38 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem39 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem35 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short37 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short41 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem36 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem35 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem39 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short40 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem38 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem44 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short49 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem47 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short48 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short45 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem46 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem43 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short48 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short49 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem43 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem47 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short45 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem44 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem46 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short57 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem55 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem54 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem52 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short53 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~mem51 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem54 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short53 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem55 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short56 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~mem62 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~short65 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem63 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~mem63 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short61 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem60 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem62 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short64 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~short73 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short69 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem67 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem71 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~mem70 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short72 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem68 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem70 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short73 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short69 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem67 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem71 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem75 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem75 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem76 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem76 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem78 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem78 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem79 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem79 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem81 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem81 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem82 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem82 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~mem85 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem85 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 Unfinished Backtranslation: IdentifierExpression #t~mem88 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem88 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem90 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem90 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem91 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem91 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem93 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem93 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem94 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem94 could not be translated - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 41. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22-L24] unsigned char BOOL_unsigned_char_Array_0[2] = { 1, 0 }; [L25-L27] float float_Array_0[2][3] = { {9.25, 128.75, 255.675}, {4.5, 5.5, 32.8} }; [L28-L30] signed long int signed_long_int_Array_0[1] = { 64 }; [L31-L33] unsigned char unsigned_char_Array_0[3][3] = { {8, 5, 100}, {4, 200, 64}, {100, 200, 2} }; [L34-L36] unsigned long int unsigned_long_int_Array_0[1] = { 1 }; [L37] unsigned char last_1_unsigned_char_Array_0_0__1_ = 5; [L111] isInitial = 1 [L112] FCALL initially() [L113] COND TRUE 1 [L114] CALL updateLastVariables() [L104] EXPR unsigned_char_Array_0[0][1] [L104] last_1_unsigned_char_Array_0_0__1_ = unsigned_char_Array_0[0][1] [L114] RET updateLastVariables() [L115] CALL updateVariables() [L68] BOOL_unsigned_char_Array_0[1] = __VERIFIER_nondet_uchar() [L69] EXPR BOOL_unsigned_char_Array_0[1] VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, last_1_unsigned_char_Array_0_0__1_=5, signed_long_int_Array_0={6:0}, unsigned_char_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L69] CALL assume_abort_if_not(BOOL_unsigned_char_Array_0[1] >= 0) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, float_Array_0={5:0}, isInitial=1, last_1_unsigned_char_Array_0_0__1_=5, signed_long_int_Array_0={6:0}, unsigned_char_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L20] COND FALSE !(!cond) [L69] RET assume_abort_if_not(BOOL_unsigned_char_Array_0[1] >= 0) VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, last_1_unsigned_char_Array_0_0__1_=5, signed_long_int_Array_0={6:0}, unsigned_char_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L70] EXPR BOOL_unsigned_char_Array_0[1] VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, last_1_unsigned_char_Array_0_0__1_=5, signed_long_int_Array_0={6:0}, unsigned_char_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L70] CALL assume_abort_if_not(BOOL_unsigned_char_Array_0[1] <= 0) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, float_Array_0={5:0}, isInitial=1, last_1_unsigned_char_Array_0_0__1_=5, signed_long_int_Array_0={6:0}, unsigned_char_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L20] COND FALSE !(!cond) [L70] RET assume_abort_if_not(BOOL_unsigned_char_Array_0[1] <= 0) VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, last_1_unsigned_char_Array_0_0__1_=5, signed_long_int_Array_0={6:0}, unsigned_char_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L71] float_Array_0[0][0] = __VERIFIER_nondet_float() [L72] EXPR float_Array_0[0][0] [L72] EXPR float_Array_0[0][0] >= -922337.2036854765600e+13F && float_Array_0[0][0] <= -1.0e-20F [L72] EXPR float_Array_0[0][0] [L72] EXPR float_Array_0[0][0] >= -922337.2036854765600e+13F && float_Array_0[0][0] <= -1.0e-20F [L72] EXPR (float_Array_0[0][0] >= -922337.2036854765600e+13F && float_Array_0[0][0] <= -1.0e-20F) || (float_Array_0[0][0] <= 9223372.036854765600e+12F && float_Array_0[0][0] >= 1.0e-20F ) VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, last_1_unsigned_char_Array_0_0__1_=5, signed_long_int_Array_0={6:0}, unsigned_char_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L72] CALL assume_abort_if_not((float_Array_0[0][0] >= -922337.2036854765600e+13F && float_Array_0[0][0] <= -1.0e-20F) || (float_Array_0[0][0] <= 9223372.036854765600e+12F && float_Array_0[0][0] >= 1.0e-20F )) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, float_Array_0={5:0}, isInitial=1, last_1_unsigned_char_Array_0_0__1_=5, signed_long_int_Array_0={6:0}, unsigned_char_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L20] COND FALSE !(!cond) [L72] RET assume_abort_if_not((float_Array_0[0][0] >= -922337.2036854765600e+13F && float_Array_0[0][0] <= -1.0e-20F) || (float_Array_0[0][0] <= 9223372.036854765600e+12F && float_Array_0[0][0] >= 1.0e-20F )) VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, last_1_unsigned_char_Array_0_0__1_=5, signed_long_int_Array_0={6:0}, unsigned_char_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L73] float_Array_0[1][0] = __VERIFIER_nondet_float() [L74] EXPR float_Array_0[1][0] [L74] EXPR float_Array_0[1][0] >= 0.0F && float_Array_0[1][0] <= -1.0e-20F [L74] EXPR float_Array_0[1][0] [L74] EXPR float_Array_0[1][0] >= 0.0F && float_Array_0[1][0] <= -1.0e-20F [L74] EXPR (float_Array_0[1][0] >= 0.0F && float_Array_0[1][0] <= -1.0e-20F) || (float_Array_0[1][0] <= 9223372.036854776000e+12F && float_Array_0[1][0] >= 1.0e-20F ) VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, last_1_unsigned_char_Array_0_0__1_=5, signed_long_int_Array_0={6:0}, unsigned_char_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L74] CALL assume_abort_if_not((float_Array_0[1][0] >= 0.0F && float_Array_0[1][0] <= -1.0e-20F) || (float_Array_0[1][0] <= 9223372.036854776000e+12F && float_Array_0[1][0] >= 1.0e-20F )) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, float_Array_0={5:0}, isInitial=1, last_1_unsigned_char_Array_0_0__1_=5, signed_long_int_Array_0={6:0}, unsigned_char_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L20] COND FALSE !(!cond) [L74] RET assume_abort_if_not((float_Array_0[1][0] >= 0.0F && float_Array_0[1][0] <= -1.0e-20F) || (float_Array_0[1][0] <= 9223372.036854776000e+12F && float_Array_0[1][0] >= 1.0e-20F )) VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, last_1_unsigned_char_Array_0_0__1_=5, signed_long_int_Array_0={6:0}, unsigned_char_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L75] float_Array_0[0][1] = __VERIFIER_nondet_float() [L76] EXPR float_Array_0[0][1] [L76] EXPR float_Array_0[0][1] >= 0.0F && float_Array_0[0][1] <= -1.0e-20F [L76] EXPR float_Array_0[0][1] [L76] EXPR float_Array_0[0][1] >= 0.0F && float_Array_0[0][1] <= -1.0e-20F [L76] EXPR (float_Array_0[0][1] >= 0.0F && float_Array_0[0][1] <= -1.0e-20F) || (float_Array_0[0][1] <= 9223372.036854776000e+12F && float_Array_0[0][1] >= 1.0e-20F ) VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, last_1_unsigned_char_Array_0_0__1_=5, signed_long_int_Array_0={6:0}, unsigned_char_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L76] CALL assume_abort_if_not((float_Array_0[0][1] >= 0.0F && float_Array_0[0][1] <= -1.0e-20F) || (float_Array_0[0][1] <= 9223372.036854776000e+12F && float_Array_0[0][1] >= 1.0e-20F )) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, float_Array_0={5:0}, isInitial=1, last_1_unsigned_char_Array_0_0__1_=5, signed_long_int_Array_0={6:0}, unsigned_char_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L20] COND FALSE !(!cond) [L76] RET assume_abort_if_not((float_Array_0[0][1] >= 0.0F && float_Array_0[0][1] <= -1.0e-20F) || (float_Array_0[0][1] <= 9223372.036854776000e+12F && float_Array_0[0][1] >= 1.0e-20F )) VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, last_1_unsigned_char_Array_0_0__1_=5, signed_long_int_Array_0={6:0}, unsigned_char_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L77] float_Array_0[1][1] = __VERIFIER_nondet_float() [L78] EXPR float_Array_0[1][1] [L78] EXPR float_Array_0[1][1] >= -922337.2036854776000e+13F && float_Array_0[1][1] <= -1.0e-20F [L78] EXPR float_Array_0[1][1] [L78] EXPR float_Array_0[1][1] >= -922337.2036854776000e+13F && float_Array_0[1][1] <= -1.0e-20F [L78] EXPR (float_Array_0[1][1] >= -922337.2036854776000e+13F && float_Array_0[1][1] <= -1.0e-20F) || (float_Array_0[1][1] <= 9223372.036854776000e+12F && float_Array_0[1][1] >= 1.0e-20F ) VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, last_1_unsigned_char_Array_0_0__1_=5, signed_long_int_Array_0={6:0}, unsigned_char_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L78] CALL assume_abort_if_not((float_Array_0[1][1] >= -922337.2036854776000e+13F && float_Array_0[1][1] <= -1.0e-20F) || (float_Array_0[1][1] <= 9223372.036854776000e+12F && float_Array_0[1][1] >= 1.0e-20F )) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, float_Array_0={5:0}, isInitial=1, last_1_unsigned_char_Array_0_0__1_=5, signed_long_int_Array_0={6:0}, unsigned_char_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L20] COND FALSE !(!cond) [L78] RET assume_abort_if_not((float_Array_0[1][1] >= -922337.2036854776000e+13F && float_Array_0[1][1] <= -1.0e-20F) || (float_Array_0[1][1] <= 9223372.036854776000e+12F && float_Array_0[1][1] >= 1.0e-20F )) VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, last_1_unsigned_char_Array_0_0__1_=5, signed_long_int_Array_0={6:0}, unsigned_char_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L79] float_Array_0[0][2] = __VERIFIER_nondet_float() [L80] EXPR float_Array_0[0][2] [L80] EXPR float_Array_0[0][2] >= -922337.2036854776000e+13F && float_Array_0[0][2] <= -1.0e-20F [L80] EXPR (float_Array_0[0][2] >= -922337.2036854776000e+13F && float_Array_0[0][2] <= -1.0e-20F) || (float_Array_0[0][2] <= 9223372.036854776000e+12F && float_Array_0[0][2] >= 1.0e-20F ) [L80] EXPR float_Array_0[0][2] [L80] EXPR float_Array_0[0][2] <= 9223372.036854776000e+12F && float_Array_0[0][2] >= 1.0e-20F [L80] EXPR float_Array_0[0][2] [L80] EXPR float_Array_0[0][2] <= 9223372.036854776000e+12F && float_Array_0[0][2] >= 1.0e-20F [L80] EXPR (float_Array_0[0][2] >= -922337.2036854776000e+13F && float_Array_0[0][2] <= -1.0e-20F) || (float_Array_0[0][2] <= 9223372.036854776000e+12F && float_Array_0[0][2] >= 1.0e-20F ) VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, last_1_unsigned_char_Array_0_0__1_=5, signed_long_int_Array_0={6:0}, unsigned_char_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L80] CALL assume_abort_if_not((float_Array_0[0][2] >= -922337.2036854776000e+13F && float_Array_0[0][2] <= -1.0e-20F) || (float_Array_0[0][2] <= 9223372.036854776000e+12F && float_Array_0[0][2] >= 1.0e-20F )) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, float_Array_0={5:0}, isInitial=1, last_1_unsigned_char_Array_0_0__1_=5, signed_long_int_Array_0={6:0}, unsigned_char_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L20] COND FALSE !(!cond) [L80] RET assume_abort_if_not((float_Array_0[0][2] >= -922337.2036854776000e+13F && float_Array_0[0][2] <= -1.0e-20F) || (float_Array_0[0][2] <= 9223372.036854776000e+12F && float_Array_0[0][2] >= 1.0e-20F )) VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, last_1_unsigned_char_Array_0_0__1_=5, signed_long_int_Array_0={6:0}, unsigned_char_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L81] unsigned_char_Array_0[0][0] = __VERIFIER_nondet_uchar() [L82] EXPR unsigned_char_Array_0[0][0] VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, last_1_unsigned_char_Array_0_0__1_=5, signed_long_int_Array_0={6:0}, unsigned_char_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L82] CALL assume_abort_if_not(unsigned_char_Array_0[0][0] >= 0) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, float_Array_0={5:0}, isInitial=1, last_1_unsigned_char_Array_0_0__1_=5, signed_long_int_Array_0={6:0}, unsigned_char_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L20] COND FALSE !(!cond) [L82] RET assume_abort_if_not(unsigned_char_Array_0[0][0] >= 0) VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, last_1_unsigned_char_Array_0_0__1_=5, signed_long_int_Array_0={6:0}, unsigned_char_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L83] EXPR unsigned_char_Array_0[0][0] VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, last_1_unsigned_char_Array_0_0__1_=5, signed_long_int_Array_0={6:0}, unsigned_char_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L83] CALL assume_abort_if_not(unsigned_char_Array_0[0][0] <= 63) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, float_Array_0={5:0}, isInitial=1, last_1_unsigned_char_Array_0_0__1_=5, signed_long_int_Array_0={6:0}, unsigned_char_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L20] COND FALSE !(!cond) [L83] RET assume_abort_if_not(unsigned_char_Array_0[0][0] <= 63) VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, last_1_unsigned_char_Array_0_0__1_=5, signed_long_int_Array_0={6:0}, unsigned_char_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L84] unsigned_char_Array_0[1][0] = __VERIFIER_nondet_uchar() [L85] EXPR unsigned_char_Array_0[1][0] VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, last_1_unsigned_char_Array_0_0__1_=5, signed_long_int_Array_0={6:0}, unsigned_char_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L85] CALL assume_abort_if_not(unsigned_char_Array_0[1][0] >= 0) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, float_Array_0={5:0}, isInitial=1, last_1_unsigned_char_Array_0_0__1_=5, signed_long_int_Array_0={6:0}, unsigned_char_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L20] COND FALSE !(!cond) [L85] RET assume_abort_if_not(unsigned_char_Array_0[1][0] >= 0) VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, last_1_unsigned_char_Array_0_0__1_=5, signed_long_int_Array_0={6:0}, unsigned_char_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L86] EXPR unsigned_char_Array_0[1][0] VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, last_1_unsigned_char_Array_0_0__1_=5, signed_long_int_Array_0={6:0}, unsigned_char_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L86] CALL assume_abort_if_not(unsigned_char_Array_0[1][0] <= 127) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, float_Array_0={5:0}, isInitial=1, last_1_unsigned_char_Array_0_0__1_=5, signed_long_int_Array_0={6:0}, unsigned_char_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L20] COND FALSE !(!cond) [L86] RET assume_abort_if_not(unsigned_char_Array_0[1][0] <= 127) VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, last_1_unsigned_char_Array_0_0__1_=5, signed_long_int_Array_0={6:0}, unsigned_char_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L87] unsigned_char_Array_0[1][1] = __VERIFIER_nondet_uchar() [L88] EXPR unsigned_char_Array_0[1][1] VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, last_1_unsigned_char_Array_0_0__1_=5, signed_long_int_Array_0={6:0}, unsigned_char_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L88] CALL assume_abort_if_not(unsigned_char_Array_0[1][1] >= 190) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, float_Array_0={5:0}, isInitial=1, last_1_unsigned_char_Array_0_0__1_=5, signed_long_int_Array_0={6:0}, unsigned_char_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L20] COND FALSE !(!cond) [L88] RET assume_abort_if_not(unsigned_char_Array_0[1][1] >= 190) VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, last_1_unsigned_char_Array_0_0__1_=5, signed_long_int_Array_0={6:0}, unsigned_char_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L89] EXPR unsigned_char_Array_0[1][1] VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, last_1_unsigned_char_Array_0_0__1_=5, signed_long_int_Array_0={6:0}, unsigned_char_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L89] CALL assume_abort_if_not(unsigned_char_Array_0[1][1] <= 254) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, float_Array_0={5:0}, isInitial=1, last_1_unsigned_char_Array_0_0__1_=5, signed_long_int_Array_0={6:0}, unsigned_char_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L20] COND FALSE !(!cond) [L89] RET assume_abort_if_not(unsigned_char_Array_0[1][1] <= 254) VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, last_1_unsigned_char_Array_0_0__1_=5, signed_long_int_Array_0={6:0}, unsigned_char_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L90] unsigned_char_Array_0[2][1] = __VERIFIER_nondet_uchar() [L91] EXPR unsigned_char_Array_0[2][1] VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, last_1_unsigned_char_Array_0_0__1_=5, signed_long_int_Array_0={6:0}, unsigned_char_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L91] CALL assume_abort_if_not(unsigned_char_Array_0[2][1] >= 191) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, float_Array_0={5:0}, isInitial=1, last_1_unsigned_char_Array_0_0__1_=5, signed_long_int_Array_0={6:0}, unsigned_char_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L20] COND FALSE !(!cond) [L91] RET assume_abort_if_not(unsigned_char_Array_0[2][1] >= 191) VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, last_1_unsigned_char_Array_0_0__1_=5, signed_long_int_Array_0={6:0}, unsigned_char_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L92] EXPR unsigned_char_Array_0[2][1] VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, last_1_unsigned_char_Array_0_0__1_=5, signed_long_int_Array_0={6:0}, unsigned_char_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L92] CALL assume_abort_if_not(unsigned_char_Array_0[2][1] <= 255) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, float_Array_0={5:0}, isInitial=1, last_1_unsigned_char_Array_0_0__1_=5, signed_long_int_Array_0={6:0}, unsigned_char_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L20] COND FALSE !(!cond) [L92] RET assume_abort_if_not(unsigned_char_Array_0[2][1] <= 255) VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, last_1_unsigned_char_Array_0_0__1_=5, signed_long_int_Array_0={6:0}, unsigned_char_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L93] unsigned_char_Array_0[0][2] = __VERIFIER_nondet_uchar() [L94] EXPR unsigned_char_Array_0[0][2] VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, last_1_unsigned_char_Array_0_0__1_=5, signed_long_int_Array_0={6:0}, unsigned_char_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L94] CALL assume_abort_if_not(unsigned_char_Array_0[0][2] >= 63) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, float_Array_0={5:0}, isInitial=1, last_1_unsigned_char_Array_0_0__1_=5, signed_long_int_Array_0={6:0}, unsigned_char_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L20] COND FALSE !(!cond) [L94] RET assume_abort_if_not(unsigned_char_Array_0[0][2] >= 63) VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, last_1_unsigned_char_Array_0_0__1_=5, signed_long_int_Array_0={6:0}, unsigned_char_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L95] EXPR unsigned_char_Array_0[0][2] VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, last_1_unsigned_char_Array_0_0__1_=5, signed_long_int_Array_0={6:0}, unsigned_char_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L95] CALL assume_abort_if_not(unsigned_char_Array_0[0][2] <= 127) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, float_Array_0={5:0}, isInitial=1, last_1_unsigned_char_Array_0_0__1_=5, signed_long_int_Array_0={6:0}, unsigned_char_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L20] COND FALSE !(!cond) [L95] RET assume_abort_if_not(unsigned_char_Array_0[0][2] <= 127) VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, last_1_unsigned_char_Array_0_0__1_=5, signed_long_int_Array_0={6:0}, unsigned_char_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L96] unsigned_char_Array_0[1][2] = __VERIFIER_nondet_uchar() [L97] EXPR unsigned_char_Array_0[1][2] VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, last_1_unsigned_char_Array_0_0__1_=5, signed_long_int_Array_0={6:0}, unsigned_char_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L97] CALL assume_abort_if_not(unsigned_char_Array_0[1][2] >= 63) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, float_Array_0={5:0}, isInitial=1, last_1_unsigned_char_Array_0_0__1_=5, signed_long_int_Array_0={6:0}, unsigned_char_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L20] COND FALSE !(!cond) [L97] RET assume_abort_if_not(unsigned_char_Array_0[1][2] >= 63) VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, last_1_unsigned_char_Array_0_0__1_=5, signed_long_int_Array_0={6:0}, unsigned_char_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L98] EXPR unsigned_char_Array_0[1][2] VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, last_1_unsigned_char_Array_0_0__1_=5, signed_long_int_Array_0={6:0}, unsigned_char_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L98] CALL assume_abort_if_not(unsigned_char_Array_0[1][2] <= 127) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, float_Array_0={5:0}, isInitial=1, last_1_unsigned_char_Array_0_0__1_=5, signed_long_int_Array_0={6:0}, unsigned_char_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L20] COND FALSE !(!cond) [L98] RET assume_abort_if_not(unsigned_char_Array_0[1][2] <= 127) VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, last_1_unsigned_char_Array_0_0__1_=5, signed_long_int_Array_0={6:0}, unsigned_char_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L99] unsigned_char_Array_0[2][2] = __VERIFIER_nondet_uchar() [L100] EXPR unsigned_char_Array_0[2][2] VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, last_1_unsigned_char_Array_0_0__1_=5, signed_long_int_Array_0={6:0}, unsigned_char_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L100] CALL assume_abort_if_not(unsigned_char_Array_0[2][2] >= 0) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, float_Array_0={5:0}, isInitial=1, last_1_unsigned_char_Array_0_0__1_=5, signed_long_int_Array_0={6:0}, unsigned_char_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L20] COND FALSE !(!cond) [L100] RET assume_abort_if_not(unsigned_char_Array_0[2][2] >= 0) VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, last_1_unsigned_char_Array_0_0__1_=5, signed_long_int_Array_0={6:0}, unsigned_char_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L101] EXPR unsigned_char_Array_0[2][2] VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, last_1_unsigned_char_Array_0_0__1_=5, signed_long_int_Array_0={6:0}, unsigned_char_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L101] CALL assume_abort_if_not(unsigned_char_Array_0[2][2] <= 63) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, float_Array_0={5:0}, isInitial=1, last_1_unsigned_char_Array_0_0__1_=5, signed_long_int_Array_0={6:0}, unsigned_char_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L20] COND FALSE !(!cond) [L101] RET assume_abort_if_not(unsigned_char_Array_0[2][2] <= 63) VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, last_1_unsigned_char_Array_0_0__1_=5, signed_long_int_Array_0={6:0}, unsigned_char_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L115] RET updateVariables() [L116] CALL step() [L41] EXPR float_Array_0[0][2] [L41] EXPR float_Array_0[1][1] [L41] COND TRUE float_Array_0[0][2] <= float_Array_0[1][1] [L42] EXPR float_Array_0[1][1] [L42] EXPR float_Array_0[0][1] [L42] EXPR float_Array_0[1][0] [L42] COND FALSE !(float_Array_0[1][1] < ((float_Array_0[0][1] - float_Array_0[1][0]) + 1.395f)) [L45] EXPR float_Array_0[0][0] [L45] float_Array_0[1][2] = float_Array_0[0][0] [L50] EXPR unsigned_char_Array_0[0][2] [L50] unsigned_long_int_Array_0[0] = unsigned_char_Array_0[0][2] [L51] EXPR unsigned_char_Array_0[2][1] [L51] signed_long_int_Array_0[0] = unsigned_char_Array_0[2][1] [L52] unsigned_char_Array_0[2][0] = 4 [L53] EXPR signed_long_int_Array_0[0] [L53] signed long int stepLocal_0 = signed_long_int_Array_0[0]; [L54] EXPR unsigned_char_Array_0[2][1] [L54] EXPR unsigned_char_Array_0[0][0] [L54] EXPR unsigned_char_Array_0[2][2] [L54] COND FALSE !(((unsigned_char_Array_0[2][1] - unsigned_char_Array_0[0][0]) - (8 + unsigned_char_Array_0[2][2])) > stepLocal_0) [L57] EXPR BOOL_unsigned_char_Array_0[1] [L57] BOOL_unsigned_char_Array_0[0] = BOOL_unsigned_char_Array_0[1] [L59] BOOL_unsigned_char_Array_0[0] [L59] COND FALSE !(BOOL_unsigned_char_Array_0[0]) [L116] RET step() [L117] CALL, EXPR property() [L107] EXPR float_Array_0[0][2] [L107] EXPR float_Array_0[1][1] [L107] EXPR (float_Array_0[0][2] <= float_Array_0[1][1]) ? ((float_Array_0[1][1] < ((float_Array_0[0][1] - float_Array_0[1][0]) + 1.395f)) ? (float_Array_0[1][2] == ((float) float_Array_0[0][0])) : (float_Array_0[1][2] == ((float) float_Array_0[0][0]))) : (float_Array_0[1][2] == ((float) float_Array_0[0][0])) [L107] EXPR float_Array_0[1][1] [L107] EXPR float_Array_0[0][1] [L107] EXPR float_Array_0[1][0] [L107] EXPR (float_Array_0[1][1] < ((float_Array_0[0][1] - float_Array_0[1][0]) + 1.395f)) ? (float_Array_0[1][2] == ((float) float_Array_0[0][0])) : (float_Array_0[1][2] == ((float) float_Array_0[0][0])) [L107] EXPR float_Array_0[1][2] [L107] EXPR float_Array_0[0][0] [L107] EXPR (float_Array_0[1][1] < ((float_Array_0[0][1] - float_Array_0[1][0]) + 1.395f)) ? (float_Array_0[1][2] == ((float) float_Array_0[0][0])) : (float_Array_0[1][2] == ((float) float_Array_0[0][0])) [L107] EXPR (float_Array_0[0][2] <= float_Array_0[1][1]) ? ((float_Array_0[1][1] < ((float_Array_0[0][1] - float_Array_0[1][0]) + 1.395f)) ? (float_Array_0[1][2] == ((float) float_Array_0[0][0])) : (float_Array_0[1][2] == ((float) float_Array_0[0][0]))) : (float_Array_0[1][2] == ((float) float_Array_0[0][0])) [L107] EXPR ((float_Array_0[0][2] <= float_Array_0[1][1]) ? ((float_Array_0[1][1] < ((float_Array_0[0][1] - float_Array_0[1][0]) + 1.395f)) ? (float_Array_0[1][2] == ((float) float_Array_0[0][0])) : (float_Array_0[1][2] == ((float) float_Array_0[0][0]))) : (float_Array_0[1][2] == ((float) float_Array_0[0][0]))) && (BOOL_unsigned_char_Array_0[0] ? ((last_1_unsigned_char_Array_0_0__1_ != last_1_unsigned_char_Array_0_0__1_) ? (unsigned_char_Array_0[0][1] == ((unsigned char) ((unsigned_char_Array_0[1][1] - unsigned_char_Array_0[0][0]) - unsigned_char_Array_0[1][0]))) : (unsigned_char_Array_0[0][1] == ((unsigned char) (unsigned_char_Array_0[1][1] - (((((unsigned_char_Array_0[0][2]) > (unsigned_char_Array_0[1][2])) ? (unsigned_char_Array_0[0][2]) : (unsigned_char_Array_0[1][2]))) - unsigned_char_Array_0[0][0]))))) : 1) [L107] EXPR (((float_Array_0[0][2] <= float_Array_0[1][1]) ? ((float_Array_0[1][1] < ((float_Array_0[0][1] - float_Array_0[1][0]) + 1.395f)) ? (float_Array_0[1][2] == ((float) float_Array_0[0][0])) : (float_Array_0[1][2] == ((float) float_Array_0[0][0]))) : (float_Array_0[1][2] == ((float) float_Array_0[0][0]))) && (BOOL_unsigned_char_Array_0[0] ? ((last_1_unsigned_char_Array_0_0__1_ != last_1_unsigned_char_Array_0_0__1_) ? (unsigned_char_Array_0[0][1] == ((unsigned char) ((unsigned_char_Array_0[1][1] - unsigned_char_Array_0[0][0]) - unsigned_char_Array_0[1][0]))) : (unsigned_char_Array_0[0][1] == ((unsigned char) (unsigned_char_Array_0[1][1] - (((((unsigned_char_Array_0[0][2]) > (unsigned_char_Array_0[1][2])) ? (unsigned_char_Array_0[0][2]) : (unsigned_char_Array_0[1][2]))) - unsigned_char_Array_0[0][0]))))) : 1)) && ((((unsigned_char_Array_0[2][1] - unsigned_char_Array_0[0][0]) - (8 + unsigned_char_Array_0[2][2])) > signed_long_int_Array_0[0]) ? (BOOL_unsigned_char_Array_0[0] == ((unsigned char) (! BOOL_unsigned_char_Array_0[1]))) : (BOOL_unsigned_char_Array_0[0] == ((unsigned char) BOOL_unsigned_char_Array_0[1]))) [L107] EXPR ((((float_Array_0[0][2] <= float_Array_0[1][1]) ? ((float_Array_0[1][1] < ((float_Array_0[0][1] - float_Array_0[1][0]) + 1.395f)) ? (float_Array_0[1][2] == ((float) float_Array_0[0][0])) : (float_Array_0[1][2] == ((float) float_Array_0[0][0]))) : (float_Array_0[1][2] == ((float) float_Array_0[0][0]))) && (BOOL_unsigned_char_Array_0[0] ? ((last_1_unsigned_char_Array_0_0__1_ != last_1_unsigned_char_Array_0_0__1_) ? (unsigned_char_Array_0[0][1] == ((unsigned char) ((unsigned_char_Array_0[1][1] - unsigned_char_Array_0[0][0]) - unsigned_char_Array_0[1][0]))) : (unsigned_char_Array_0[0][1] == ((unsigned char) (unsigned_char_Array_0[1][1] - (((((unsigned_char_Array_0[0][2]) > (unsigned_char_Array_0[1][2])) ? (unsigned_char_Array_0[0][2]) : (unsigned_char_Array_0[1][2]))) - unsigned_char_Array_0[0][0]))))) : 1)) && ((((unsigned_char_Array_0[2][1] - unsigned_char_Array_0[0][0]) - (8 + unsigned_char_Array_0[2][2])) > signed_long_int_Array_0[0]) ? (BOOL_unsigned_char_Array_0[0] == ((unsigned char) (! BOOL_unsigned_char_Array_0[1]))) : (BOOL_unsigned_char_Array_0[0] == ((unsigned char) BOOL_unsigned_char_Array_0[1])))) && (unsigned_long_int_Array_0[0] == ((unsigned long int) unsigned_char_Array_0[0][2])) [L107] EXPR (((((float_Array_0[0][2] <= float_Array_0[1][1]) ? ((float_Array_0[1][1] < ((float_Array_0[0][1] - float_Array_0[1][0]) + 1.395f)) ? (float_Array_0[1][2] == ((float) float_Array_0[0][0])) : (float_Array_0[1][2] == ((float) float_Array_0[0][0]))) : (float_Array_0[1][2] == ((float) float_Array_0[0][0]))) && (BOOL_unsigned_char_Array_0[0] ? ((last_1_unsigned_char_Array_0_0__1_ != last_1_unsigned_char_Array_0_0__1_) ? (unsigned_char_Array_0[0][1] == ((unsigned char) ((unsigned_char_Array_0[1][1] - unsigned_char_Array_0[0][0]) - unsigned_char_Array_0[1][0]))) : (unsigned_char_Array_0[0][1] == ((unsigned char) (unsigned_char_Array_0[1][1] - (((((unsigned_char_Array_0[0][2]) > (unsigned_char_Array_0[1][2])) ? (unsigned_char_Array_0[0][2]) : (unsigned_char_Array_0[1][2]))) - unsigned_char_Array_0[0][0]))))) : 1)) && ((((unsigned_char_Array_0[2][1] - unsigned_char_Array_0[0][0]) - (8 + unsigned_char_Array_0[2][2])) > signed_long_int_Array_0[0]) ? (BOOL_unsigned_char_Array_0[0] == ((unsigned char) (! BOOL_unsigned_char_Array_0[1]))) : (BOOL_unsigned_char_Array_0[0] == ((unsigned char) BOOL_unsigned_char_Array_0[1])))) && (unsigned_long_int_Array_0[0] == ((unsigned long int) unsigned_char_Array_0[0][2]))) && (signed_long_int_Array_0[0] == ((signed long int) unsigned_char_Array_0[2][1])) [L107] EXPR ((((((float_Array_0[0][2] <= float_Array_0[1][1]) ? ((float_Array_0[1][1] < ((float_Array_0[0][1] - float_Array_0[1][0]) + 1.395f)) ? (float_Array_0[1][2] == ((float) float_Array_0[0][0])) : (float_Array_0[1][2] == ((float) float_Array_0[0][0]))) : (float_Array_0[1][2] == ((float) float_Array_0[0][0]))) && (BOOL_unsigned_char_Array_0[0] ? ((last_1_unsigned_char_Array_0_0__1_ != last_1_unsigned_char_Array_0_0__1_) ? (unsigned_char_Array_0[0][1] == ((unsigned char) ((unsigned_char_Array_0[1][1] - unsigned_char_Array_0[0][0]) - unsigned_char_Array_0[1][0]))) : (unsigned_char_Array_0[0][1] == ((unsigned char) (unsigned_char_Array_0[1][1] - (((((unsigned_char_Array_0[0][2]) > (unsigned_char_Array_0[1][2])) ? (unsigned_char_Array_0[0][2]) : (unsigned_char_Array_0[1][2]))) - unsigned_char_Array_0[0][0]))))) : 1)) && ((((unsigned_char_Array_0[2][1] - unsigned_char_Array_0[0][0]) - (8 + unsigned_char_Array_0[2][2])) > signed_long_int_Array_0[0]) ? (BOOL_unsigned_char_Array_0[0] == ((unsigned char) (! BOOL_unsigned_char_Array_0[1]))) : (BOOL_unsigned_char_Array_0[0] == ((unsigned char) BOOL_unsigned_char_Array_0[1])))) && (unsigned_long_int_Array_0[0] == ((unsigned long int) unsigned_char_Array_0[0][2]))) && (signed_long_int_Array_0[0] == ((signed long int) unsigned_char_Array_0[2][1]))) && (unsigned_char_Array_0[2][0] == ((unsigned char) 4)) [L107-L108] return ((((((float_Array_0[0][2] <= float_Array_0[1][1]) ? ((float_Array_0[1][1] < ((float_Array_0[0][1] - float_Array_0[1][0]) + 1.395f)) ? (float_Array_0[1][2] == ((float) float_Array_0[0][0])) : (float_Array_0[1][2] == ((float) float_Array_0[0][0]))) : (float_Array_0[1][2] == ((float) float_Array_0[0][0]))) && (BOOL_unsigned_char_Array_0[0] ? ((last_1_unsigned_char_Array_0_0__1_ != last_1_unsigned_char_Array_0_0__1_) ? (unsigned_char_Array_0[0][1] == ((unsigned char) ((unsigned_char_Array_0[1][1] - unsigned_char_Array_0[0][0]) - unsigned_char_Array_0[1][0]))) : (unsigned_char_Array_0[0][1] == ((unsigned char) (unsigned_char_Array_0[1][1] - (((((unsigned_char_Array_0[0][2]) > (unsigned_char_Array_0[1][2])) ? (unsigned_char_Array_0[0][2]) : (unsigned_char_Array_0[1][2]))) - unsigned_char_Array_0[0][0]))))) : 1)) && ((((unsigned_char_Array_0[2][1] - unsigned_char_Array_0[0][0]) - (8 + unsigned_char_Array_0[2][2])) > signed_long_int_Array_0[0]) ? (BOOL_unsigned_char_Array_0[0] == ((unsigned char) (! BOOL_unsigned_char_Array_0[1]))) : (BOOL_unsigned_char_Array_0[0] == ((unsigned char) BOOL_unsigned_char_Array_0[1])))) && (unsigned_long_int_Array_0[0] == ((unsigned long int) unsigned_char_Array_0[0][2]))) && (signed_long_int_Array_0[0] == ((signed long int) unsigned_char_Array_0[2][1]))) && (unsigned_char_Array_0[2][0] == ((unsigned char) 4)) ; [L117] RET, EXPR property() [L117] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=0, cond=0, float_Array_0={5:0}, isInitial=1, last_1_unsigned_char_Array_0_0__1_=5, signed_long_int_Array_0={6:0}, unsigned_char_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L19] reach_error() VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=0, cond=0, float_Array_0={5:0}, isInitial=1, last_1_unsigned_char_Array_0_0__1_=5, signed_long_int_Array_0={6:0}, unsigned_char_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 51 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 4.1s, OverallIterations: 1, TraceHistogramMax: 21, 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=51occurred 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, 2.3s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 88 NumberOfCodeBlocks, 88 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 00:10:32,353 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d7e45f9-6551-4225-96bf-f30aabb7187f/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_4d7e45f9-6551-4225-96bf-f30aabb7187f/bin/utaipan-verify-SwPr7d2a91/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d7e45f9-6551-4225-96bf-f30aabb7187f/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_4d7e45f9-6551-4225-96bf-f30aabb7187f/bin/utaipan-verify-SwPr7d2a91/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d7e45f9-6551-4225-96bf-f30aabb7187f/bin/utaipan-verify-SwPr7d2a91/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-48.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d7e45f9-6551-4225-96bf-f30aabb7187f/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_4d7e45f9-6551-4225-96bf-f30aabb7187f/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 b209b13322483f0de6355983dfc45de7dda6e23f708a5a679f61eb11dccb6a42 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-25 00:10:35,600 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-25 00:10:35,780 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d7e45f9-6551-4225-96bf-f30aabb7187f/bin/utaipan-verify-SwPr7d2a91/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2023-11-25 00:10:35,790 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-25 00:10:35,791 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-25 00:10:35,845 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-25 00:10:35,846 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-25 00:10:35,847 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-25 00:10:35,848 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-25 00:10:35,854 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-25 00:10:35,855 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-25 00:10:35,855 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-25 00:10:35,856 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-25 00:10:35,858 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-25 00:10:35,858 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-25 00:10:35,859 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-25 00:10:35,860 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-25 00:10:35,861 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-25 00:10:35,861 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-25 00:10:35,862 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-25 00:10:35,863 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-25 00:10:35,863 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-25 00:10:35,864 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-25 00:10:35,864 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-25 00:10:35,865 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-25 00:10:35,865 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-25 00:10:35,866 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-25 00:10:35,866 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-25 00:10:35,867 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-25 00:10:35,867 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-25 00:10:35,868 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-25 00:10:35,869 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-25 00:10:35,869 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-25 00:10:35,870 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-25 00:10:35,870 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-25 00:10:35,870 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-25 00:10:35,871 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-25 00:10:35,871 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-25 00:10:35,871 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-25 00:10:35,872 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-25 00:10:35,873 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-25 00:10:35,873 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-25 00:10:35,873 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-25 00:10:35,873 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-25 00:10:35,874 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_4d7e45f9-6551-4225-96bf-f30aabb7187f/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d7e45f9-6551-4225-96bf-f30aabb7187f/bin/utaipan-verify-SwPr7d2a91 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b209b13322483f0de6355983dfc45de7dda6e23f708a5a679f61eb11dccb6a42 [2023-11-25 00:10:36,295 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-25 00:10:36,327 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-25 00:10:36,331 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-25 00:10:36,332 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-25 00:10:36,333 INFO L274 PluginConnector]: CDTParser initialized [2023-11-25 00:10:36,335 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d7e45f9-6551-4225-96bf-f30aabb7187f/bin/utaipan-verify-SwPr7d2a91/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-48.i [2023-11-25 00:10:39,896 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-25 00:10:40,213 INFO L384 CDTParser]: Found 1 translation units. [2023-11-25 00:10:40,214 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d7e45f9-6551-4225-96bf-f30aabb7187f/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-48.i [2023-11-25 00:10:40,239 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d7e45f9-6551-4225-96bf-f30aabb7187f/bin/utaipan-verify-SwPr7d2a91/data/9ca4f7fa4/251a9b6f79734f93abc1b0ec7d723186/FLAG82d7a1c66 [2023-11-25 00:10:40,258 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d7e45f9-6551-4225-96bf-f30aabb7187f/bin/utaipan-verify-SwPr7d2a91/data/9ca4f7fa4/251a9b6f79734f93abc1b0ec7d723186 [2023-11-25 00:10:40,261 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-25 00:10:40,263 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-25 00:10:40,265 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-25 00:10:40,265 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-25 00:10:40,272 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-25 00:10:40,273 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 12:10:40" (1/1) ... [2023-11-25 00:10:40,274 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@41ab0939 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:10:40, skipping insertion in model container [2023-11-25 00:10:40,275 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 12:10:40" (1/1) ... [2023-11-25 00:10:40,308 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-25 00:10:40,509 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_4d7e45f9-6551-4225-96bf-f30aabb7187f/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-48.i[916,929] [2023-11-25 00:10:40,702 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-25 00:10:40,722 INFO L202 MainTranslator]: Completed pre-run [2023-11-25 00:10:40,746 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d7e45f9-6551-4225-96bf-f30aabb7187f/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-48.i[916,929] [2023-11-25 00:10:40,824 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-25 00:10:40,872 INFO L206 MainTranslator]: Completed translation [2023-11-25 00:10:40,873 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:10:40 WrapperNode [2023-11-25 00:10:40,873 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-25 00:10:40,875 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-25 00:10:40,875 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-25 00:10:40,875 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-25 00:10:40,885 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:10:40" (1/1) ... [2023-11-25 00:10:40,920 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:10:40" (1/1) ... [2023-11-25 00:10:40,969 INFO L138 Inliner]: procedures = 33, calls = 180, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 456 [2023-11-25 00:10:40,970 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-25 00:10:40,971 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-25 00:10:40,971 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-25 00:10:40,971 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-25 00:10:40,981 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:10:40" (1/1) ... [2023-11-25 00:10:40,981 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:10:40" (1/1) ... [2023-11-25 00:10:40,997 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:10:40" (1/1) ... [2023-11-25 00:10:41,010 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:10:40" (1/1) ... [2023-11-25 00:10:41,073 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:10:40" (1/1) ... [2023-11-25 00:10:41,092 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:10:40" (1/1) ... [2023-11-25 00:10:41,102 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:10:40" (1/1) ... [2023-11-25 00:10:41,106 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:10:40" (1/1) ... [2023-11-25 00:10:41,122 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-25 00:10:41,130 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-25 00:10:41,131 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-25 00:10:41,131 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-25 00:10:41,132 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:10:40" (1/1) ... [2023-11-25 00:10:41,154 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-25 00:10:41,176 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d7e45f9-6551-4225-96bf-f30aabb7187f/bin/utaipan-verify-SwPr7d2a91/z3 [2023-11-25 00:10:41,196 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d7e45f9-6551-4225-96bf-f30aabb7187f/bin/utaipan-verify-SwPr7d2a91/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-25 00:10:41,216 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d7e45f9-6551-4225-96bf-f30aabb7187f/bin/utaipan-verify-SwPr7d2a91/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-25 00:10:41,257 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-25 00:10:41,258 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2023-11-25 00:10:41,258 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-25 00:10:41,259 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2023-11-25 00:10:41,259 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2023-11-25 00:10:41,259 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-11-25 00:10:41,260 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2023-11-25 00:10:41,262 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4 [2023-11-25 00:10:41,262 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-25 00:10:41,263 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-25 00:10:41,263 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-25 00:10:41,264 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-25 00:10:41,264 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2023-11-25 00:10:41,265 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-11-25 00:10:41,451 INFO L241 CfgBuilder]: Building ICFG [2023-11-25 00:10:41,455 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-25 00:10:43,424 INFO L282 CfgBuilder]: Performing block encoding [2023-11-25 00:10:43,482 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-25 00:10:43,482 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-25 00:10:43,483 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 12:10:43 BoogieIcfgContainer [2023-11-25 00:10:43,483 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-25 00:10:43,486 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-25 00:10:43,486 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-25 00:10:43,490 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-25 00:10:43,491 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.11 12:10:40" (1/3) ... [2023-11-25 00:10:43,492 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@779cb46 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 12:10:43, skipping insertion in model container [2023-11-25 00:10:43,492 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:10:40" (2/3) ... [2023-11-25 00:10:43,493 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@779cb46 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 12:10:43, skipping insertion in model container [2023-11-25 00:10:43,493 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 12:10:43" (3/3) ... [2023-11-25 00:10:43,495 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_wrapper-a_file-48.i [2023-11-25 00:10:43,519 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-25 00:10:43,519 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-25 00:10:43,594 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-25 00:10:43,604 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;@17ab1288, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-25 00:10:43,605 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-25 00:10:43,613 INFO L276 IsEmpty]: Start isEmpty. Operand has 111 states, 87 states have (on average 1.4252873563218391) internal successors, (124), 88 states have internal predecessors, (124), 21 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) [2023-11-25 00:10:43,648 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2023-11-25 00:10:43,649 INFO L187 NwaCegarLoop]: Found error trace [2023-11-25 00:10:43,651 INFO L195 NwaCegarLoop]: trace histogram [21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 00:10:43,652 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-25 00:10:43,662 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-25 00:10:43,662 INFO L85 PathProgramCache]: Analyzing trace with hash 198048389, now seen corresponding path program 1 times [2023-11-25 00:10:43,684 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-25 00:10:43,685 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [83568422] [2023-11-25 00:10:43,685 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-25 00:10:43,686 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 00:10:43,686 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d7e45f9-6551-4225-96bf-f30aabb7187f/bin/utaipan-verify-SwPr7d2a91/mathsat [2023-11-25 00:10:43,690 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d7e45f9-6551-4225-96bf-f30aabb7187f/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 00:10:43,700 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d7e45f9-6551-4225-96bf-f30aabb7187f/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 00:10:44,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-25 00:10:44,304 INFO L262 TraceCheckSpWp]: Trace formula consists of 349 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-25 00:10:44,319 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-25 00:10:44,378 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 376 proven. 0 refuted. 0 times theorem prover too weak. 464 trivial. 0 not checked. [2023-11-25 00:10:44,379 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-25 00:10:44,380 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-25 00:10:44,380 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [83568422] [2023-11-25 00:10:44,381 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [83568422] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-25 00:10:44,381 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-25 00:10:44,382 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-25 00:10:44,384 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [25011436] [2023-11-25 00:10:44,385 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-25 00:10:44,392 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-25 00:10:44,392 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-25 00:10:44,429 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-25 00:10:44,430 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-25 00:10:44,433 INFO L87 Difference]: Start difference. First operand has 111 states, 87 states have (on average 1.4252873563218391) internal successors, (124), 88 states have internal predecessors, (124), 21 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) Second operand has 2 states, 2 states have (on average 32.5) internal successors, (65), 2 states have internal predecessors, (65), 2 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2023-11-25 00:10:44,507 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-25 00:10:44,507 INFO L93 Difference]: Finished difference Result 219 states and 351 transitions. [2023-11-25 00:10:44,509 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-25 00:10:44,511 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 32.5) internal successors, (65), 2 states have internal predecessors, (65), 2 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) Word has length 163 [2023-11-25 00:10:44,512 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-25 00:10:44,522 INFO L225 Difference]: With dead ends: 219 [2023-11-25 00:10:44,523 INFO L226 Difference]: Without dead ends: 109 [2023-11-25 00:10:44,528 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 162 GetRequests, 162 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 00:10:44,532 INFO L413 NwaCegarLoop]: 155 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, 155 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 00:10:44,534 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 155 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-25 00:10:44,580 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 109 states. [2023-11-25 00:10:44,611 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 109 to 109. [2023-11-25 00:10:44,613 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 109 states, 86 states have (on average 1.3604651162790697) internal successors, (117), 86 states have internal predecessors, (117), 21 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) [2023-11-25 00:10:44,616 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 109 states and 159 transitions. [2023-11-25 00:10:44,618 INFO L78 Accepts]: Start accepts. Automaton has 109 states and 159 transitions. Word has length 163 [2023-11-25 00:10:44,619 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-25 00:10:44,619 INFO L495 AbstractCegarLoop]: Abstraction has 109 states and 159 transitions. [2023-11-25 00:10:44,620 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 32.5) internal successors, (65), 2 states have internal predecessors, (65), 2 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2023-11-25 00:10:44,620 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 159 transitions. [2023-11-25 00:10:44,625 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2023-11-25 00:10:44,625 INFO L187 NwaCegarLoop]: Found error trace [2023-11-25 00:10:44,626 INFO L195 NwaCegarLoop]: trace histogram [21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 00:10:44,642 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d7e45f9-6551-4225-96bf-f30aabb7187f/bin/utaipan-verify-SwPr7d2a91/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2023-11-25 00:10:44,835 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d7e45f9-6551-4225-96bf-f30aabb7187f/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 00:10:44,836 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-25 00:10:44,836 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-25 00:10:44,837 INFO L85 PathProgramCache]: Analyzing trace with hash 1385483563, now seen corresponding path program 1 times [2023-11-25 00:10:44,838 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-25 00:10:44,838 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1545018308] [2023-11-25 00:10:44,838 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-25 00:10:44,838 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-25 00:10:44,839 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d7e45f9-6551-4225-96bf-f30aabb7187f/bin/utaipan-verify-SwPr7d2a91/mathsat [2023-11-25 00:10:44,871 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d7e45f9-6551-4225-96bf-f30aabb7187f/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 00:10:44,903 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d7e45f9-6551-4225-96bf-f30aabb7187f/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 00:10:45,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-25 00:10:45,317 INFO L262 TraceCheckSpWp]: Trace formula consists of 349 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-25 00:10:45,326 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-25 00:10:45,396 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 360 proven. 0 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2023-11-25 00:10:45,397 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-25 00:10:45,397 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-25 00:10:45,397 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1545018308] [2023-11-25 00:10:45,398 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1545018308] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-25 00:10:45,398 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-25 00:10:45,399 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-25 00:10:45,399 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1334376392] [2023-11-25 00:10:45,400 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-25 00:10:45,402 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-25 00:10:45,404 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-25 00:10:45,407 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-25 00:10:45,408 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-25 00:10:45,408 INFO L87 Difference]: Start difference. First operand 109 states and 159 transitions. Second operand has 4 states, 4 states have (on average 16.0) internal successors, (64), 4 states have internal predecessors, (64), 2 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2023-11-25 00:10:45,538 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-25 00:10:45,539 INFO L93 Difference]: Finished difference Result 223 states and 326 transitions. [2023-11-25 00:10:45,540 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-25 00:10:45,540 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 16.0) internal successors, (64), 4 states have internal predecessors, (64), 2 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) Word has length 163 [2023-11-25 00:10:45,541 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-25 00:10:45,543 INFO L225 Difference]: With dead ends: 223 [2023-11-25 00:10:45,543 INFO L226 Difference]: Without dead ends: 115 [2023-11-25 00:10:45,545 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 163 GetRequests, 160 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 00:10:45,547 INFO L413 NwaCegarLoop]: 156 mSDtfsCounter, 10 mSDsluCounter, 301 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 457 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 00:10:45,548 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [11 Valid, 457 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-25 00:10:45,549 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 115 states. [2023-11-25 00:10:45,586 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 115 to 111. [2023-11-25 00:10:45,587 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 111 states, 88 states have (on average 1.3522727272727273) internal successors, (119), 88 states have internal predecessors, (119), 21 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) [2023-11-25 00:10:45,588 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 111 states and 161 transitions. [2023-11-25 00:10:45,589 INFO L78 Accepts]: Start accepts. Automaton has 111 states and 161 transitions. Word has length 163 [2023-11-25 00:10:45,590 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-25 00:10:45,590 INFO L495 AbstractCegarLoop]: Abstraction has 111 states and 161 transitions. [2023-11-25 00:10:45,590 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 16.0) internal successors, (64), 4 states have internal predecessors, (64), 2 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2023-11-25 00:10:45,591 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 161 transitions. [2023-11-25 00:10:45,594 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2023-11-25 00:10:45,595 INFO L187 NwaCegarLoop]: Found error trace [2023-11-25 00:10:45,595 INFO L195 NwaCegarLoop]: trace histogram [21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 00:10:45,611 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d7e45f9-6551-4225-96bf-f30aabb7187f/bin/utaipan-verify-SwPr7d2a91/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Ended with exit code 0 [2023-11-25 00:10:45,804 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d7e45f9-6551-4225-96bf-f30aabb7187f/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 00:10:45,805 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-25 00:10:45,805 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-25 00:10:45,806 INFO L85 PathProgramCache]: Analyzing trace with hash -341661399, now seen corresponding path program 1 times [2023-11-25 00:10:45,807 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-25 00:10:45,807 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1877662511] [2023-11-25 00:10:45,807 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-25 00:10:45,808 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 00:10:45,808 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d7e45f9-6551-4225-96bf-f30aabb7187f/bin/utaipan-verify-SwPr7d2a91/mathsat [2023-11-25 00:10:45,810 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d7e45f9-6551-4225-96bf-f30aabb7187f/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 00:10:45,816 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d7e45f9-6551-4225-96bf-f30aabb7187f/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 00:10:46,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-25 00:10:46,249 INFO L262 TraceCheckSpWp]: Trace formula consists of 351 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-25 00:10:46,256 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-25 00:10:46,303 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 840 trivial. 0 not checked. [2023-11-25 00:10:46,303 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-25 00:10:46,304 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-25 00:10:46,304 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1877662511] [2023-11-25 00:10:46,305 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1877662511] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-25 00:10:46,305 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-25 00:10:46,305 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-25 00:10:46,306 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [133047019] [2023-11-25 00:10:46,306 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-25 00:10:46,307 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-25 00:10:46,308 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-25 00:10:46,309 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-25 00:10:46,309 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-25 00:10:46,310 INFO L87 Difference]: Start difference. First operand 111 states and 161 transitions. Second operand has 5 states, 5 states have (on average 12.2) internal successors, (61), 5 states have internal predecessors, (61), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) [2023-11-25 00:10:46,460 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-25 00:10:46,460 INFO L93 Difference]: Finished difference Result 242 states and 351 transitions. [2023-11-25 00:10:46,461 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-11-25 00:10:46,461 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.2) internal successors, (61), 5 states have internal predecessors, (61), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) Word has length 163 [2023-11-25 00:10:46,462 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-25 00:10:46,465 INFO L225 Difference]: With dead ends: 242 [2023-11-25 00:10:46,469 INFO L226 Difference]: Without dead ends: 132 [2023-11-25 00:10:46,471 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 165 GetRequests, 159 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2023-11-25 00:10:46,475 INFO L413 NwaCegarLoop]: 150 mSDtfsCounter, 46 mSDsluCounter, 448 mSDsCounter, 0 mSdLazyCounter, 41 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 46 SdHoareTripleChecker+Valid, 598 SdHoareTripleChecker+Invalid, 44 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 41 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-25 00:10:46,476 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [46 Valid, 598 Invalid, 44 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 41 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-25 00:10:46,477 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 132 states. [2023-11-25 00:10:46,498 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 132 to 115. [2023-11-25 00:10:46,498 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 115 states, 92 states have (on average 1.3369565217391304) internal successors, (123), 92 states have internal predecessors, (123), 21 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) [2023-11-25 00:10:46,502 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 115 states and 165 transitions. [2023-11-25 00:10:46,502 INFO L78 Accepts]: Start accepts. Automaton has 115 states and 165 transitions. Word has length 163 [2023-11-25 00:10:46,506 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-25 00:10:46,507 INFO L495 AbstractCegarLoop]: Abstraction has 115 states and 165 transitions. [2023-11-25 00:10:46,508 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.2) internal successors, (61), 5 states have internal predecessors, (61), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) [2023-11-25 00:10:46,508 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 165 transitions. [2023-11-25 00:10:46,513 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2023-11-25 00:10:46,516 INFO L187 NwaCegarLoop]: Found error trace [2023-11-25 00:10:46,516 INFO L195 NwaCegarLoop]: trace histogram [21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 00:10:46,533 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d7e45f9-6551-4225-96bf-f30aabb7187f/bin/utaipan-verify-SwPr7d2a91/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2023-11-25 00:10:46,734 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d7e45f9-6551-4225-96bf-f30aabb7187f/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 00:10:46,734 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-25 00:10:46,735 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-25 00:10:46,735 INFO L85 PathProgramCache]: Analyzing trace with hash -1151008025, now seen corresponding path program 1 times [2023-11-25 00:10:46,736 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-25 00:10:46,736 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2086095601] [2023-11-25 00:10:46,737 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-25 00:10:46,737 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 00:10:46,737 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d7e45f9-6551-4225-96bf-f30aabb7187f/bin/utaipan-verify-SwPr7d2a91/mathsat [2023-11-25 00:10:46,738 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d7e45f9-6551-4225-96bf-f30aabb7187f/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 00:10:46,778 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d7e45f9-6551-4225-96bf-f30aabb7187f/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 00:10:47,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-25 00:10:47,241 INFO L262 TraceCheckSpWp]: Trace formula consists of 348 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-25 00:10:47,247 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-25 00:10:47,296 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 840 trivial. 0 not checked. [2023-11-25 00:10:47,297 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-25 00:10:47,297 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-25 00:10:47,297 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2086095601] [2023-11-25 00:10:47,298 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2086095601] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-25 00:10:47,298 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-25 00:10:47,298 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-25 00:10:47,299 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1486162796] [2023-11-25 00:10:47,299 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-25 00:10:47,300 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-25 00:10:47,300 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-25 00:10:47,301 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-25 00:10:47,301 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-11-25 00:10:47,302 INFO L87 Difference]: Start difference. First operand 115 states and 165 transitions. Second operand has 6 states, 6 states have (on average 10.166666666666666) internal successors, (61), 6 states have internal predecessors, (61), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) [2023-11-25 00:10:47,510 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-25 00:10:47,510 INFO L93 Difference]: Finished difference Result 249 states and 356 transitions. [2023-11-25 00:10:47,511 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-11-25 00:10:47,512 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 10.166666666666666) internal successors, (61), 6 states have internal predecessors, (61), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) Word has length 163 [2023-11-25 00:10:47,513 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-25 00:10:47,514 INFO L225 Difference]: With dead ends: 249 [2023-11-25 00:10:47,514 INFO L226 Difference]: Without dead ends: 135 [2023-11-25 00:10:47,515 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 168 GetRequests, 158 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2023-11-25 00:10:47,516 INFO L413 NwaCegarLoop]: 148 mSDtfsCounter, 49 mSDsluCounter, 593 mSDsCounter, 0 mSdLazyCounter, 61 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 49 SdHoareTripleChecker+Valid, 741 SdHoareTripleChecker+Invalid, 64 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 61 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-25 00:10:47,517 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [49 Valid, 741 Invalid, 64 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 61 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-25 00:10:47,521 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 135 states. [2023-11-25 00:10:47,535 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 135 to 117. [2023-11-25 00:10:47,536 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 117 states, 94 states have (on average 1.3297872340425532) internal successors, (125), 94 states have internal predecessors, (125), 21 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) [2023-11-25 00:10:47,537 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 117 states and 167 transitions. [2023-11-25 00:10:47,537 INFO L78 Accepts]: Start accepts. Automaton has 117 states and 167 transitions. Word has length 163 [2023-11-25 00:10:47,538 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-25 00:10:47,538 INFO L495 AbstractCegarLoop]: Abstraction has 117 states and 167 transitions. [2023-11-25 00:10:47,538 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.166666666666666) internal successors, (61), 6 states have internal predecessors, (61), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) [2023-11-25 00:10:47,539 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 167 transitions. [2023-11-25 00:10:47,541 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2023-11-25 00:10:47,541 INFO L187 NwaCegarLoop]: Found error trace [2023-11-25 00:10:47,541 INFO L195 NwaCegarLoop]: trace histogram [21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 00:10:47,552 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d7e45f9-6551-4225-96bf-f30aabb7187f/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 00:10:47,751 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d7e45f9-6551-4225-96bf-f30aabb7187f/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 00:10:47,751 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-25 00:10:47,751 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-25 00:10:47,752 INFO L85 PathProgramCache]: Analyzing trace with hash -1093749723, now seen corresponding path program 1 times [2023-11-25 00:10:47,753 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-25 00:10:47,753 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2069828332] [2023-11-25 00:10:47,753 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-25 00:10:47,753 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 00:10:47,753 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d7e45f9-6551-4225-96bf-f30aabb7187f/bin/utaipan-verify-SwPr7d2a91/mathsat [2023-11-25 00:10:47,756 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d7e45f9-6551-4225-96bf-f30aabb7187f/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 00:10:47,761 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d7e45f9-6551-4225-96bf-f30aabb7187f/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 00:10:48,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-25 00:10:48,117 INFO L262 TraceCheckSpWp]: Trace formula consists of 345 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-25 00:10:48,122 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-25 00:10:48,194 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 840 trivial. 0 not checked. [2023-11-25 00:10:48,194 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-25 00:10:48,194 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-25 00:10:48,195 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2069828332] [2023-11-25 00:10:48,195 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2069828332] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-25 00:10:48,195 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-25 00:10:48,196 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-11-25 00:10:48,196 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2101932513] [2023-11-25 00:10:48,196 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-25 00:10:48,197 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-25 00:10:48,197 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-25 00:10:48,198 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-25 00:10:48,199 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2023-11-25 00:10:48,199 INFO L87 Difference]: Start difference. First operand 117 states and 167 transitions. Second operand has 7 states, 7 states have (on average 8.714285714285714) internal successors, (61), 7 states have internal predecessors, (61), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) [2023-11-25 00:10:48,477 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-25 00:10:48,477 INFO L93 Difference]: Finished difference Result 252 states and 356 transitions. [2023-11-25 00:10:48,478 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2023-11-25 00:10:48,478 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 8.714285714285714) internal successors, (61), 7 states have internal predecessors, (61), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) Word has length 163 [2023-11-25 00:10:48,479 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-25 00:10:48,480 INFO L225 Difference]: With dead ends: 252 [2023-11-25 00:10:48,481 INFO L226 Difference]: Without dead ends: 136 [2023-11-25 00:10:48,481 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 172 GetRequests, 157 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=86, Invalid=186, Unknown=0, NotChecked=0, Total=272 [2023-11-25 00:10:48,482 INFO L413 NwaCegarLoop]: 147 mSDtfsCounter, 40 mSDsluCounter, 731 mSDsCounter, 0 mSdLazyCounter, 79 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 40 SdHoareTripleChecker+Valid, 878 SdHoareTripleChecker+Invalid, 83 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 79 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-25 00:10:48,483 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [40 Valid, 878 Invalid, 83 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 79 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-25 00:10:48,484 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 136 states. [2023-11-25 00:10:48,493 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 136 to 119. [2023-11-25 00:10:48,493 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 119 states, 96 states have (on average 1.3229166666666667) internal successors, (127), 96 states have internal predecessors, (127), 21 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) [2023-11-25 00:10:48,494 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 119 states and 169 transitions. [2023-11-25 00:10:48,495 INFO L78 Accepts]: Start accepts. Automaton has 119 states and 169 transitions. Word has length 163 [2023-11-25 00:10:48,495 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-25 00:10:48,496 INFO L495 AbstractCegarLoop]: Abstraction has 119 states and 169 transitions. [2023-11-25 00:10:48,496 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 8.714285714285714) internal successors, (61), 7 states have internal predecessors, (61), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) [2023-11-25 00:10:48,496 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 169 transitions. [2023-11-25 00:10:48,498 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2023-11-25 00:10:48,499 INFO L187 NwaCegarLoop]: Found error trace [2023-11-25 00:10:48,499 INFO L195 NwaCegarLoop]: trace histogram [21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 00:10:48,513 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d7e45f9-6551-4225-96bf-f30aabb7187f/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 00:10:48,707 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d7e45f9-6551-4225-96bf-f30aabb7187f/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 00:10:48,708 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-25 00:10:48,709 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-25 00:10:48,709 INFO L85 PathProgramCache]: Analyzing trace with hash -1093690141, now seen corresponding path program 1 times [2023-11-25 00:10:48,710 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-25 00:10:48,710 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1114727283] [2023-11-25 00:10:48,710 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-25 00:10:48,711 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 00:10:48,711 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d7e45f9-6551-4225-96bf-f30aabb7187f/bin/utaipan-verify-SwPr7d2a91/mathsat [2023-11-25 00:10:48,712 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d7e45f9-6551-4225-96bf-f30aabb7187f/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 00:10:48,755 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d7e45f9-6551-4225-96bf-f30aabb7187f/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 00:10:49,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-25 00:10:49,122 INFO L262 TraceCheckSpWp]: Trace formula consists of 343 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-25 00:10:49,130 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-25 00:10:49,342 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 95 treesize of output 41 [2023-11-25 00:10:49,406 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 216 proven. 0 refuted. 0 times theorem prover too weak. 624 trivial. 0 not checked. [2023-11-25 00:10:49,407 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-25 00:10:49,407 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-25 00:10:49,407 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1114727283] [2023-11-25 00:10:49,407 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1114727283] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-25 00:10:49,408 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-25 00:10:49,408 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-25 00:10:49,408 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1868407729] [2023-11-25 00:10:49,408 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-25 00:10:49,410 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-25 00:10:49,411 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-25 00:10:49,412 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-25 00:10:49,412 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2023-11-25 00:10:49,412 INFO L87 Difference]: Start difference. First operand 119 states and 169 transitions. Second operand has 6 states, 6 states have (on average 10.666666666666666) internal successors, (64), 5 states have internal predecessors, (64), 2 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2023-11-25 00:10:52,073 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-25 00:10:52,073 INFO L93 Difference]: Finished difference Result 243 states and 346 transitions. [2023-11-25 00:10:52,074 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-11-25 00:10:52,074 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 10.666666666666666) internal successors, (64), 5 states have internal predecessors, (64), 2 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) Word has length 163 [2023-11-25 00:10:52,075 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-25 00:10:52,076 INFO L225 Difference]: With dead ends: 243 [2023-11-25 00:10:52,076 INFO L226 Difference]: Without dead ends: 125 [2023-11-25 00:10:52,077 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 166 GetRequests, 158 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 00:10:52,080 INFO L413 NwaCegarLoop]: 131 mSDtfsCounter, 154 mSDsluCounter, 300 mSDsCounter, 0 mSdLazyCounter, 197 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 154 SdHoareTripleChecker+Valid, 431 SdHoareTripleChecker+Invalid, 202 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 197 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2023-11-25 00:10:52,081 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [154 Valid, 431 Invalid, 202 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 197 Invalid, 0 Unknown, 0 Unchecked, 2.5s Time] [2023-11-25 00:10:52,082 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 125 states. [2023-11-25 00:10:52,091 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 125 to 119. [2023-11-25 00:10:52,092 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 119 states, 96 states have (on average 1.3125) internal successors, (126), 96 states have internal predecessors, (126), 21 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) [2023-11-25 00:10:52,093 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 119 states and 168 transitions. [2023-11-25 00:10:52,093 INFO L78 Accepts]: Start accepts. Automaton has 119 states and 168 transitions. Word has length 163 [2023-11-25 00:10:52,094 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-25 00:10:52,094 INFO L495 AbstractCegarLoop]: Abstraction has 119 states and 168 transitions. [2023-11-25 00:10:52,094 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.666666666666666) internal successors, (64), 5 states have internal predecessors, (64), 2 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2023-11-25 00:10:52,095 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 168 transitions. [2023-11-25 00:10:52,097 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2023-11-25 00:10:52,097 INFO L187 NwaCegarLoop]: Found error trace [2023-11-25 00:10:52,097 INFO L195 NwaCegarLoop]: trace histogram [21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 00:10:52,115 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d7e45f9-6551-4225-96bf-f30aabb7187f/bin/utaipan-verify-SwPr7d2a91/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0 [2023-11-25 00:10:52,307 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d7e45f9-6551-4225-96bf-f30aabb7187f/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 00:10:52,307 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-25 00:10:52,307 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-25 00:10:52,308 INFO L85 PathProgramCache]: Analyzing trace with hash 702326621, now seen corresponding path program 1 times [2023-11-25 00:10:52,308 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-25 00:10:52,309 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [509975904] [2023-11-25 00:10:52,309 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-25 00:10:52,309 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 00:10:52,309 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d7e45f9-6551-4225-96bf-f30aabb7187f/bin/utaipan-verify-SwPr7d2a91/mathsat [2023-11-25 00:10:52,310 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d7e45f9-6551-4225-96bf-f30aabb7187f/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 00:10:52,346 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d7e45f9-6551-4225-96bf-f30aabb7187f/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 00:10:52,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-25 00:10:52,685 INFO L262 TraceCheckSpWp]: Trace formula consists of 349 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-25 00:10:52,692 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-25 00:10:52,857 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 95 treesize of output 41 [2023-11-25 00:10:52,893 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 272 proven. 0 refuted. 0 times theorem prover too weak. 568 trivial. 0 not checked. [2023-11-25 00:10:52,894 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-25 00:10:52,894 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-25 00:10:52,894 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [509975904] [2023-11-25 00:10:52,894 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [509975904] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-25 00:10:52,895 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-25 00:10:52,895 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-25 00:10:52,895 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1869432210] [2023-11-25 00:10:52,895 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-25 00:10:52,896 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-25 00:10:52,896 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-25 00:10:52,897 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-25 00:10:52,897 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2023-11-25 00:10:52,897 INFO L87 Difference]: Start difference. First operand 119 states and 168 transitions. Second operand has 6 states, 6 states have (on average 11.0) internal successors, (66), 5 states have internal predecessors, (66), 2 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2023-11-25 00:10:54,895 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-25 00:10:54,895 INFO L93 Difference]: Finished difference Result 243 states and 344 transitions. [2023-11-25 00:10:54,896 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-11-25 00:10:54,897 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 11.0) internal successors, (66), 5 states have internal predecessors, (66), 2 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) Word has length 165 [2023-11-25 00:10:54,897 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-25 00:10:54,898 INFO L225 Difference]: With dead ends: 243 [2023-11-25 00:10:54,898 INFO L226 Difference]: Without dead ends: 125 [2023-11-25 00:10:54,899 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 168 GetRequests, 160 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=35, Invalid=55, Unknown=0, NotChecked=0, Total=90 [2023-11-25 00:10:54,900 INFO L413 NwaCegarLoop]: 131 mSDtfsCounter, 144 mSDsluCounter, 299 mSDsCounter, 0 mSdLazyCounter, 200 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 144 SdHoareTripleChecker+Valid, 430 SdHoareTripleChecker+Invalid, 204 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 200 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2023-11-25 00:10:54,901 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [144 Valid, 430 Invalid, 204 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 200 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2023-11-25 00:10:54,902 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 125 states. [2023-11-25 00:10:54,910 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 125 to 119. [2023-11-25 00:10:54,910 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 119 states, 96 states have (on average 1.3020833333333333) internal successors, (125), 96 states have internal predecessors, (125), 21 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) [2023-11-25 00:10:54,912 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 119 states and 167 transitions. [2023-11-25 00:10:54,912 INFO L78 Accepts]: Start accepts. Automaton has 119 states and 167 transitions. Word has length 165 [2023-11-25 00:10:54,912 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-25 00:10:54,913 INFO L495 AbstractCegarLoop]: Abstraction has 119 states and 167 transitions. [2023-11-25 00:10:54,913 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 11.0) internal successors, (66), 5 states have internal predecessors, (66), 2 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2023-11-25 00:10:54,913 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 167 transitions. [2023-11-25 00:10:54,915 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2023-11-25 00:10:54,915 INFO L187 NwaCegarLoop]: Found error trace [2023-11-25 00:10:54,916 INFO L195 NwaCegarLoop]: trace histogram [21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 00:10:54,934 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d7e45f9-6551-4225-96bf-f30aabb7187f/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 00:10:55,122 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d7e45f9-6551-4225-96bf-f30aabb7187f/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 00:10:55,122 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-25 00:10:55,122 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-25 00:10:55,123 INFO L85 PathProgramCache]: Analyzing trace with hash -1090893279, now seen corresponding path program 1 times [2023-11-25 00:10:55,123 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-25 00:10:55,123 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2063624146] [2023-11-25 00:10:55,123 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-25 00:10:55,124 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 00:10:55,124 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d7e45f9-6551-4225-96bf-f30aabb7187f/bin/utaipan-verify-SwPr7d2a91/mathsat [2023-11-25 00:10:55,126 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d7e45f9-6551-4225-96bf-f30aabb7187f/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 00:10:55,127 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d7e45f9-6551-4225-96bf-f30aabb7187f/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 00:10:55,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-25 00:10:55,527 INFO L262 TraceCheckSpWp]: Trace formula consists of 353 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-25 00:10:55,532 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-25 00:10:55,589 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 332 proven. 0 refuted. 0 times theorem prover too weak. 508 trivial. 0 not checked. [2023-11-25 00:10:55,589 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-25 00:10:55,594 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-25 00:10:55,594 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2063624146] [2023-11-25 00:10:55,595 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2063624146] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-25 00:10:55,595 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-25 00:10:55,595 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-25 00:10:55,595 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [35972075] [2023-11-25 00:10:55,595 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-25 00:10:55,596 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-25 00:10:55,598 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-25 00:10:55,599 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-25 00:10:55,599 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-11-25 00:10:55,600 INFO L87 Difference]: Start difference. First operand 119 states and 167 transitions. Second operand has 6 states, 5 states have (on average 14.2) internal successors, (71), 6 states have internal predecessors, (71), 3 states have call successors, (21), 2 states have call predecessors, (21), 3 states have return successors, (21), 2 states have call predecessors, (21), 3 states have call successors, (21) [2023-11-25 00:10:55,878 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-25 00:10:55,878 INFO L93 Difference]: Finished difference Result 241 states and 338 transitions. [2023-11-25 00:10:55,879 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-25 00:10:55,879 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 14.2) internal successors, (71), 6 states have internal predecessors, (71), 3 states have call successors, (21), 2 states have call predecessors, (21), 3 states have return successors, (21), 2 states have call predecessors, (21), 3 states have call successors, (21) Word has length 167 [2023-11-25 00:10:55,880 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-25 00:10:55,881 INFO L225 Difference]: With dead ends: 241 [2023-11-25 00:10:55,881 INFO L226 Difference]: Without dead ends: 121 [2023-11-25 00:10:55,882 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 168 GetRequests, 162 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2023-11-25 00:10:55,883 INFO L413 NwaCegarLoop]: 129 mSDtfsCounter, 7 mSDsluCounter, 463 mSDsCounter, 0 mSdLazyCounter, 179 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 592 SdHoareTripleChecker+Invalid, 185 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 179 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-25 00:10:55,883 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7 Valid, 592 Invalid, 185 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 179 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-25 00:10:55,884 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 121 states. [2023-11-25 00:10:55,891 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 121 to 119. [2023-11-25 00:10:55,891 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 119 states, 96 states have (on average 1.2916666666666667) internal successors, (124), 96 states have internal predecessors, (124), 21 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) [2023-11-25 00:10:55,893 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 119 states and 166 transitions. [2023-11-25 00:10:55,893 INFO L78 Accepts]: Start accepts. Automaton has 119 states and 166 transitions. Word has length 167 [2023-11-25 00:10:55,893 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-25 00:10:55,893 INFO L495 AbstractCegarLoop]: Abstraction has 119 states and 166 transitions. [2023-11-25 00:10:55,894 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 14.2) internal successors, (71), 6 states have internal predecessors, (71), 3 states have call successors, (21), 2 states have call predecessors, (21), 3 states have return successors, (21), 2 states have call predecessors, (21), 3 states have call successors, (21) [2023-11-25 00:10:55,894 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 166 transitions. [2023-11-25 00:10:55,896 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2023-11-25 00:10:55,896 INFO L187 NwaCegarLoop]: Found error trace [2023-11-25 00:10:55,897 INFO L195 NwaCegarLoop]: trace histogram [21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 00:10:55,910 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d7e45f9-6551-4225-96bf-f30aabb7187f/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)] Forceful destruction successful, exit code 0 [2023-11-25 00:10:56,105 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d7e45f9-6551-4225-96bf-f30aabb7187f/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 00:10:56,106 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-25 00:10:56,106 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-25 00:10:56,106 INFO L85 PathProgramCache]: Analyzing trace with hash -1766053405, now seen corresponding path program 1 times [2023-11-25 00:10:56,106 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-25 00:10:56,107 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2145015963] [2023-11-25 00:10:56,107 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-25 00:10:56,107 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 00:10:56,107 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d7e45f9-6551-4225-96bf-f30aabb7187f/bin/utaipan-verify-SwPr7d2a91/mathsat [2023-11-25 00:10:56,108 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d7e45f9-6551-4225-96bf-f30aabb7187f/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 00:10:56,121 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d7e45f9-6551-4225-96bf-f30aabb7187f/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 00:10:56,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-25 00:10:56,775 INFO L262 TraceCheckSpWp]: Trace formula consists of 355 conjuncts, 42 conjunts are in the unsatisfiable core [2023-11-25 00:10:56,789 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-25 00:10:57,404 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2023-11-25 00:10:58,275 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 68 treesize of output 32 [2023-11-25 00:10:58,840 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 68 treesize of output 32 [2023-11-25 00:10:59,353 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 68 treesize of output 32 [2023-11-25 00:10:59,805 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 68 treesize of output 32 [2023-11-25 00:11:00,208 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 57 treesize of output 42 [2023-11-25 00:11:00,752 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 57 treesize of output 42 [2023-11-25 00:11:01,252 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 57 treesize of output 42 [2023-11-25 00:11:01,806 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 57 treesize of output 42 [2023-11-25 00:11:02,338 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 57 treesize of output 42 [2023-11-25 00:11:02,890 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 57 treesize of output 42 [2023-11-25 00:11:03,394 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 57 treesize of output 42 [2023-11-25 00:11:03,917 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 113 treesize of output 65 [2023-11-25 00:11:04,044 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-25 00:11:04,044 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 115 treesize of output 76 [2023-11-25 00:11:04,051 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 107 treesize of output 75 [2023-11-25 00:11:04,149 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 102 treesize of output 75 [2023-11-25 00:11:04,325 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-25 00:11:04,325 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 194 treesize of output 80 [2023-11-25 00:11:04,429 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 0 proven. 152 refuted. 0 times theorem prover too weak. 688 trivial. 0 not checked. [2023-11-25 00:11:04,429 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-25 00:11:07,259 WARN L854 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_344 (Array (_ BitVec 32) (_ BitVec 32))) (v_ArrVal_345 (Array (_ BitVec 32) (_ BitVec 32))) (v_ArrVal_346 (Array (_ BitVec 32) (_ BitVec 32))) (|v_skolemized_q#valueAsBitvector_77| (_ BitVec 32)) (|~#unsigned_long_int_Array_0~0.offset| (_ BitVec 32)) (v_ArrVal_343 (_ BitVec 32))) (let ((.cse5 (select |c_#memory_int| |c_~#float_Array_0~0.base|))) (or (let ((.cse2 (bvadd |c_~#float_Array_0~0.offset| (_ bv20 32)))) (let ((.cse1 (select (store (store (store (let ((.cse4 (store |c_#memory_int| |c_~#float_Array_0~0.base| (store .cse5 .cse2 |v_skolemized_q#valueAsBitvector_77|)))) (store .cse4 |c_~#unsigned_long_int_Array_0~0.base| (store (select .cse4 |c_~#unsigned_long_int_Array_0~0.base|) |~#unsigned_long_int_Array_0~0.offset| v_ArrVal_343))) |c_~#signed_long_int_Array_0~0.base| v_ArrVal_344) |c_~#unsigned_char_Array_0~0.base| v_ArrVal_345) |c_~#BOOL_unsigned_char_Array_0~0.base| v_ArrVal_346) |c_~#float_Array_0~0.base|))) (fp.eq (let ((.cse0 (select .cse1 .cse2))) (fp ((_ extract 31 31) .cse0) ((_ extract 30 23) .cse0) ((_ extract 22 0) .cse0))) (let ((.cse3 (select .cse1 |c_~#float_Array_0~0.offset|))) (fp ((_ extract 31 31) .cse3) ((_ extract 30 23) .cse3) ((_ extract 22 0) .cse3)))))) (not (= (let ((.cse6 (select .cse5 |c_~#float_Array_0~0.offset|))) (fp ((_ extract 31 31) .cse6) ((_ extract 30 23) .cse6) ((_ extract 22 0) .cse6))) (fp ((_ extract 31 31) |v_skolemized_q#valueAsBitvector_77|) ((_ extract 30 23) |v_skolemized_q#valueAsBitvector_77|) ((_ extract 22 0) |v_skolemized_q#valueAsBitvector_77|))))))) is different from false [2023-11-25 00:11:07,404 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-25 00:11:07,404 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2145015963] [2023-11-25 00:11:07,404 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2145015963] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-25 00:11:07,405 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1348294252] [2023-11-25 00:11:07,405 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-25 00:11:07,405 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-25 00:11:07,405 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d7e45f9-6551-4225-96bf-f30aabb7187f/bin/utaipan-verify-SwPr7d2a91/cvc4 [2023-11-25 00:11:07,406 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d7e45f9-6551-4225-96bf-f30aabb7187f/bin/utaipan-verify-SwPr7d2a91/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-25 00:11:07,408 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d7e45f9-6551-4225-96bf-f30aabb7187f/bin/utaipan-verify-SwPr7d2a91/cvc4 --incremental --print-success --lang smt (11)] Waiting until timeout for monitored process [2023-11-25 00:11:09,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-25 00:11:09,897 INFO L262 TraceCheckSpWp]: Trace formula consists of 355 conjuncts, 43 conjunts are in the unsatisfiable core [2023-11-25 00:11:09,917 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-25 00:11:11,138 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2023-11-25 00:11:12,970 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 64 treesize of output 32 [2023-11-25 00:11:13,947 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 64 treesize of output 32