./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-ci_file-91.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f119e1f-bba8-43f0-b7e0-ea876d9c659f/bin/utaipan-verify-SwPr7d2a91/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f119e1f-bba8-43f0-b7e0-ea876d9c659f/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_8f119e1f-bba8-43f0-b7e0-ea876d9c659f/bin/utaipan-verify-SwPr7d2a91/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f119e1f-bba8-43f0-b7e0-ea876d9c659f/bin/utaipan-verify-SwPr7d2a91/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-ci_file-91.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f119e1f-bba8-43f0-b7e0-ea876d9c659f/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_8f119e1f-bba8-43f0-b7e0-ea876d9c659f/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 9916bc30af46c6a2006e6c412aab0ec415cd340340da4b6958a1b37a130125d6 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-25 00:02:45,843 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-25 00:02:45,919 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f119e1f-bba8-43f0-b7e0-ea876d9c659f/bin/utaipan-verify-SwPr7d2a91/config/svcomp-Reach-32bit-Taipan_Default.epf [2023-11-25 00:02:45,925 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-25 00:02:45,926 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-25 00:02:45,957 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-25 00:02:45,959 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-25 00:02:45,960 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-25 00:02:45,961 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-25 00:02:45,962 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-25 00:02:45,963 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-25 00:02:45,964 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-25 00:02:45,965 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-25 00:02:45,967 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-25 00:02:45,968 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-25 00:02:45,969 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-25 00:02:45,970 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-25 00:02:45,974 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-25 00:02:45,975 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-25 00:02:45,976 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-25 00:02:45,976 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-25 00:02:45,977 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-25 00:02:45,978 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-25 00:02:45,978 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-25 00:02:45,978 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-25 00:02:45,979 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-25 00:02:45,979 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-25 00:02:45,980 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-25 00:02:45,980 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-25 00:02:45,980 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-25 00:02:45,981 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-25 00:02:45,981 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-25 00:02:45,982 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-25 00:02:45,982 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-25 00:02:45,982 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-25 00:02:45,982 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-25 00:02:45,982 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-25 00:02:45,983 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-25 00:02:45,983 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-25 00:02:45,983 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-25 00:02:45,983 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-25 00:02:45,984 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-25 00:02:45,984 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-25 00:02:45,984 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-25 00:02:45,984 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-25 00:02:45,985 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-25 00:02:45,985 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-25 00:02:45,985 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_8f119e1f-bba8-43f0-b7e0-ea876d9c659f/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f119e1f-bba8-43f0-b7e0-ea876d9c659f/bin/utaipan-verify-SwPr7d2a91 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9916bc30af46c6a2006e6c412aab0ec415cd340340da4b6958a1b37a130125d6 [2023-11-25 00:02:46,273 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-25 00:02:46,303 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-25 00:02:46,306 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-25 00:02:46,309 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-25 00:02:46,309 INFO L274 PluginConnector]: CDTParser initialized [2023-11-25 00:02:46,311 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f119e1f-bba8-43f0-b7e0-ea876d9c659f/bin/utaipan-verify-SwPr7d2a91/../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-ci_file-91.i [2023-11-25 00:02:49,432 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-25 00:02:49,733 INFO L384 CDTParser]: Found 1 translation units. [2023-11-25 00:02:49,733 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f119e1f-bba8-43f0-b7e0-ea876d9c659f/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-ci_file-91.i [2023-11-25 00:02:49,745 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f119e1f-bba8-43f0-b7e0-ea876d9c659f/bin/utaipan-verify-SwPr7d2a91/data/134d5b8ab/8a07f5b1bcb9433db73d456c3c1eea12/FLAGa308236da [2023-11-25 00:02:49,761 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f119e1f-bba8-43f0-b7e0-ea876d9c659f/bin/utaipan-verify-SwPr7d2a91/data/134d5b8ab/8a07f5b1bcb9433db73d456c3c1eea12 [2023-11-25 00:02:49,767 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-25 00:02:49,769 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-25 00:02:49,772 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-25 00:02:49,772 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-25 00:02:49,777 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-25 00:02:49,778 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 12:02:49" (1/1) ... [2023-11-25 00:02:49,779 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3f2c7af8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:02:49, skipping insertion in model container [2023-11-25 00:02:49,780 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 12:02:49" (1/1) ... [2023-11-25 00:02:49,813 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-25 00:02:49,980 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_8f119e1f-bba8-43f0-b7e0-ea876d9c659f/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-ci_file-91.i[919,932] [2023-11-25 00:02:50,077 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-25 00:02:50,097 INFO L202 MainTranslator]: Completed pre-run [2023-11-25 00:02:50,111 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_8f119e1f-bba8-43f0-b7e0-ea876d9c659f/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-ci_file-91.i[919,932] [2023-11-25 00:02:50,178 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-25 00:02:50,206 INFO L206 MainTranslator]: Completed translation [2023-11-25 00:02:50,206 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:02:50 WrapperNode [2023-11-25 00:02:50,206 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-25 00:02:50,207 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-25 00:02:50,207 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-25 00:02:50,208 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-25 00:02:50,214 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:02:50" (1/1) ... [2023-11-25 00:02:50,229 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:02:50" (1/1) ... [2023-11-25 00:02:50,282 INFO L138 Inliner]: procedures = 26, calls = 45, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 220 [2023-11-25 00:02:50,283 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-25 00:02:50,284 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-25 00:02:50,284 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-25 00:02:50,284 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-25 00:02:50,294 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:02:50" (1/1) ... [2023-11-25 00:02:50,295 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:02:50" (1/1) ... [2023-11-25 00:02:50,299 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:02:50" (1/1) ... [2023-11-25 00:02:50,300 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:02:50" (1/1) ... [2023-11-25 00:02:50,317 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:02:50" (1/1) ... [2023-11-25 00:02:50,321 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:02:50" (1/1) ... [2023-11-25 00:02:50,324 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:02:50" (1/1) ... [2023-11-25 00:02:50,327 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:02:50" (1/1) ... [2023-11-25 00:02:50,334 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-25 00:02:50,348 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-25 00:02:50,349 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-25 00:02:50,349 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-25 00:02:50,350 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:02:50" (1/1) ... [2023-11-25 00:02:50,356 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-25 00:02:50,380 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f119e1f-bba8-43f0-b7e0-ea876d9c659f/bin/utaipan-verify-SwPr7d2a91/z3 [2023-11-25 00:02:50,400 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f119e1f-bba8-43f0-b7e0-ea876d9c659f/bin/utaipan-verify-SwPr7d2a91/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-25 00:02:50,439 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f119e1f-bba8-43f0-b7e0-ea876d9c659f/bin/utaipan-verify-SwPr7d2a91/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-25 00:02:50,447 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-25 00:02:50,448 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-25 00:02:50,448 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-25 00:02:50,448 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-25 00:02:50,450 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-25 00:02:50,451 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-25 00:02:50,579 INFO L241 CfgBuilder]: Building ICFG [2023-11-25 00:02:50,581 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-25 00:02:51,090 INFO L282 CfgBuilder]: Performing block encoding [2023-11-25 00:02:51,434 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-25 00:02:51,434 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-25 00:02:51,436 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 12:02:51 BoogieIcfgContainer [2023-11-25 00:02:51,436 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-25 00:02:51,441 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-25 00:02:51,442 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-25 00:02:51,445 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-25 00:02:51,446 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.11 12:02:49" (1/3) ... [2023-11-25 00:02:51,447 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5bc72844 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 12:02:51, skipping insertion in model container [2023-11-25 00:02:51,448 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:02:50" (2/3) ... [2023-11-25 00:02:51,449 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5bc72844 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 12:02:51, skipping insertion in model container [2023-11-25 00:02:51,449 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 12:02:51" (3/3) ... [2023-11-25 00:02:51,451 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodestructure_filler-pr-ci_file-91.i [2023-11-25 00:02:51,473 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-25 00:02:51,474 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-25 00:02:51,546 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-25 00:02:51,555 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;@64e32a2b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-25 00:02:51,556 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-25 00:02:51,561 INFO L276 IsEmpty]: Start isEmpty. Operand has 59 states, 24 states have (on average 1.125) internal successors, (27), 25 states have internal predecessors, (27), 32 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 32 states have call predecessors, (32), 32 states have call successors, (32) [2023-11-25 00:02:51,579 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2023-11-25 00:02:51,579 INFO L187 NwaCegarLoop]: Found error trace [2023-11-25 00:02:51,580 INFO L195 NwaCegarLoop]: trace histogram [32, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 00:02:51,581 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-25 00:02:51,588 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-25 00:02:51,589 INFO L85 PathProgramCache]: Analyzing trace with hash 612730484, now seen corresponding path program 1 times [2023-11-25 00:02:51,600 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-25 00:02:51,600 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [929481370] [2023-11-25 00:02:51,601 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-25 00:02:51,601 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-25 00:02:51,875 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-25 00:02:51,876 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [389720433] [2023-11-25 00:02:51,876 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-25 00:02:51,876 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-25 00:02:51,877 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f119e1f-bba8-43f0-b7e0-ea876d9c659f/bin/utaipan-verify-SwPr7d2a91/z3 [2023-11-25 00:02:51,880 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f119e1f-bba8-43f0-b7e0-ea876d9c659f/bin/utaipan-verify-SwPr7d2a91/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-25 00:02:51,912 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f119e1f-bba8-43f0-b7e0-ea876d9c659f/bin/utaipan-verify-SwPr7d2a91/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-25 00:02:52,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-25 00:02:52,213 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-25 00:02:52,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-25 00:02:52,473 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2023-11-25 00:02:52,475 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-25 00:02:52,477 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-25 00:02:52,491 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f119e1f-bba8-43f0-b7e0-ea876d9c659f/bin/utaipan-verify-SwPr7d2a91/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-11-25 00:02:52,685 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f119e1f-bba8-43f0-b7e0-ea876d9c659f/bin/utaipan-verify-SwPr7d2a91/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-25 00:02:52,689 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-11-25 00:02:52,692 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-25 00:02:52,870 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.11 12:02:52 BoogieIcfgContainer [2023-11-25 00:02:52,870 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-25 00:02:52,871 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-25 00:02:52,871 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-25 00:02:52,871 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-25 00:02:52,872 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 12:02:51" (3/4) ... [2023-11-25 00:02:52,874 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-25 00:02:52,875 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-25 00:02:52,876 INFO L158 Benchmark]: Toolchain (without parser) took 3107.56ms. Allocated memory was 157.3MB in the beginning and 220.2MB in the end (delta: 62.9MB). Free memory was 124.4MB in the beginning and 120.6MB in the end (delta: 3.8MB). Peak memory consumption was 69.8MB. Max. memory is 16.1GB. [2023-11-25 00:02:52,877 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 115.3MB. Free memory is still 70.2MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-25 00:02:52,878 INFO L158 Benchmark]: CACSL2BoogieTranslator took 435.14ms. Allocated memory is still 157.3MB. Free memory was 123.6MB in the beginning and 108.1MB in the end (delta: 15.6MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-25 00:02:52,878 INFO L158 Benchmark]: Boogie Procedure Inliner took 75.75ms. Allocated memory is still 157.3MB. Free memory was 108.1MB in the beginning and 104.0MB in the end (delta: 4.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-25 00:02:52,879 INFO L158 Benchmark]: Boogie Preprocessor took 64.08ms. Allocated memory is still 157.3MB. Free memory was 103.4MB in the beginning and 101.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-25 00:02:52,880 INFO L158 Benchmark]: RCFGBuilder took 1088.17ms. Allocated memory was 157.3MB in the beginning and 220.2MB in the end (delta: 62.9MB). Free memory was 101.3MB in the beginning and 180.4MB in the end (delta: -79.1MB). Peak memory consumption was 61.5MB. Max. memory is 16.1GB. [2023-11-25 00:02:52,881 INFO L158 Benchmark]: TraceAbstraction took 1429.07ms. Allocated memory is still 220.2MB. Free memory was 180.4MB in the beginning and 121.7MB in the end (delta: 58.7MB). Peak memory consumption was 58.7MB. Max. memory is 16.1GB. [2023-11-25 00:02:52,881 INFO L158 Benchmark]: Witness Printer took 4.37ms. Allocated memory is still 220.2MB. Free memory was 121.7MB in the beginning and 120.6MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-25 00:02:52,885 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28ms. Allocated memory is still 115.3MB. Free memory is still 70.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 435.14ms. Allocated memory is still 157.3MB. Free memory was 123.6MB in the beginning and 108.1MB in the end (delta: 15.6MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 75.75ms. Allocated memory is still 157.3MB. Free memory was 108.1MB in the beginning and 104.0MB in the end (delta: 4.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 64.08ms. Allocated memory is still 157.3MB. Free memory was 103.4MB in the beginning and 101.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1088.17ms. Allocated memory was 157.3MB in the beginning and 220.2MB in the end (delta: 62.9MB). Free memory was 101.3MB in the beginning and 180.4MB in the end (delta: -79.1MB). Peak memory consumption was 61.5MB. Max. memory is 16.1GB. * TraceAbstraction took 1429.07ms. Allocated memory is still 220.2MB. Free memory was 180.4MB in the beginning and 121.7MB in the end (delta: 58.7MB). Peak memory consumption was 58.7MB. Max. memory is 16.1GB. * Witness Printer took 4.37ms. Allocated memory is still 220.2MB. Free memory was 121.7MB in the beginning and 120.6MB 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.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 86, overapproximation of someBinaryArithmeticDOUBLEoperation at line 96, overapproximation of someUnaryDOUBLEoperation at line 98, overapproximation of someBinaryDOUBLEComparisonOperation at line 98, overapproximation of someBinaryArithmeticFLOAToperation at line 101. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] signed short int var_1_1 = -64; [L23] signed short int var_1_5 = 8; [L24] signed short int var_1_6 = 8; [L25] signed short int var_1_7 = 5; [L26] signed short int var_1_8 = 0; [L27] signed char var_1_9 = 5; [L28] signed char var_1_11 = 16; [L29] signed short int var_1_12 = 25; [L30] signed short int var_1_13 = 64; [L31] unsigned char var_1_15 = 1; [L32] unsigned char var_1_16 = 16; [L33] float var_1_17 = 1.2; [L34] float var_1_18 = 5.8; [L35] float var_1_19 = 10.25; [L36] float var_1_20 = 2.5; [L37] signed short int var_1_21 = 200; [L38] unsigned char var_1_24 = 1; [L39] unsigned char var_1_25 = 0; [L40] signed char var_1_26 = -5; [L41] unsigned char var_1_27 = 1; [L42] unsigned char var_1_31 = 0; [L43] unsigned char var_1_32 = 0; [L44] unsigned char var_1_33 = 0; [L45] float var_1_39 = 10.5; [L46] signed short int var_1_41 = -1; [L47] float var_1_44 = 50.5; [L48] unsigned char var_1_45 = 64; [L49] signed char var_1_46 = 2; [L50] signed char var_1_47 = 16; [L51] unsigned short int var_1_48 = 2; [L52] double var_1_49 = 1.5; [L53] double var_1_50 = 999999.7; [L54] double var_1_51 = 15.5; [L55] unsigned long int var_1_52 = 64; [L56] float var_1_55 = 9.25; [L57] signed short int var_1_56 = -1; [L58] signed short int last_1_var_1_1 = -64; [L59] signed short int last_1_var_1_13 = 64; [L60] unsigned char last_1_var_1_15 = 1; [L61] signed char last_1_var_1_26 = -5; [L203] isInitial = 1 [L204] FCALL initially() [L205] COND TRUE 1 [L206] CALL updateLastVariables() [L193] last_1_var_1_1 = var_1_1 [L194] last_1_var_1_13 = var_1_13 [L195] last_1_var_1_15 = var_1_15 [L196] last_1_var_1_26 = var_1_26 [L206] RET updateLastVariables() [L207] CALL updateVariables() [L141] var_1_5 = __VERIFIER_nondet_short() [L142] CALL assume_abort_if_not(var_1_5 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=64, last_1_var_1_15=1, last_1_var_1_1=-64, last_1_var_1_26=-5, var_1_11=16, var_1_12=25, var_1_13=64, var_1_15=1, var_1_16=16, var_1_17=6/5, var_1_18=29/5, var_1_19=41/4, var_1_1=-64, var_1_20=5/2, var_1_21=200, var_1_24=1, var_1_25=0, var_1_26=-5, var_1_27=1, var_1_31=0, var_1_32=0, var_1_33=0, var_1_39=21/2, var_1_41=-1, var_1_44=101/2, var_1_45=64, var_1_46=2, var_1_47=16, var_1_48=2, var_1_49=3/2, var_1_50=9999997/10, var_1_51=31/2, var_1_52=64, var_1_55=37/4, var_1_56=-1, var_1_5=0, var_1_6=8, var_1_7=5, var_1_8=0, var_1_9=5] [L20] COND FALSE !(!cond) [L142] RET assume_abort_if_not(var_1_5 >= 0) VAL [isInitial=1, last_1_var_1_13=64, last_1_var_1_15=1, last_1_var_1_1=-64, last_1_var_1_26=-5, var_1_11=16, var_1_12=25, var_1_13=64, var_1_15=1, var_1_16=16, var_1_17=6/5, var_1_18=29/5, var_1_19=41/4, var_1_1=-64, var_1_20=5/2, var_1_21=200, var_1_24=1, var_1_25=0, var_1_26=-5, var_1_27=1, var_1_31=0, var_1_32=0, var_1_33=0, var_1_39=21/2, var_1_41=-1, var_1_44=101/2, var_1_45=64, var_1_46=2, var_1_47=16, var_1_48=2, var_1_49=3/2, var_1_50=9999997/10, var_1_51=31/2, var_1_52=64, var_1_55=37/4, var_1_56=-1, var_1_5=0, var_1_6=8, var_1_7=5, var_1_8=0, var_1_9=5] [L143] CALL assume_abort_if_not(var_1_5 <= 16383) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=64, last_1_var_1_15=1, last_1_var_1_1=-64, last_1_var_1_26=-5, var_1_11=16, var_1_12=25, var_1_13=64, var_1_15=1, var_1_16=16, var_1_17=6/5, var_1_18=29/5, var_1_19=41/4, var_1_1=-64, var_1_20=5/2, var_1_21=200, var_1_24=1, var_1_25=0, var_1_26=-5, var_1_27=1, var_1_31=0, var_1_32=0, var_1_33=0, var_1_39=21/2, var_1_41=-1, var_1_44=101/2, var_1_45=64, var_1_46=2, var_1_47=16, var_1_48=2, var_1_49=3/2, var_1_50=9999997/10, var_1_51=31/2, var_1_52=64, var_1_55=37/4, var_1_56=-1, var_1_5=0, var_1_6=8, var_1_7=5, var_1_8=0, var_1_9=5] [L20] COND FALSE !(!cond) [L143] RET assume_abort_if_not(var_1_5 <= 16383) VAL [isInitial=1, last_1_var_1_13=64, last_1_var_1_15=1, last_1_var_1_1=-64, last_1_var_1_26=-5, var_1_11=16, var_1_12=25, var_1_13=64, var_1_15=1, var_1_16=16, var_1_17=6/5, var_1_18=29/5, var_1_19=41/4, var_1_1=-64, var_1_20=5/2, var_1_21=200, var_1_24=1, var_1_25=0, var_1_26=-5, var_1_27=1, var_1_31=0, var_1_32=0, var_1_33=0, var_1_39=21/2, var_1_41=-1, var_1_44=101/2, var_1_45=64, var_1_46=2, var_1_47=16, var_1_48=2, var_1_49=3/2, var_1_50=9999997/10, var_1_51=31/2, var_1_52=64, var_1_55=37/4, var_1_56=-1, var_1_5=0, var_1_6=8, var_1_7=5, var_1_8=0, var_1_9=5] [L144] var_1_6 = __VERIFIER_nondet_short() [L145] CALL assume_abort_if_not(var_1_6 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=64, last_1_var_1_15=1, last_1_var_1_1=-64, last_1_var_1_26=-5, var_1_11=16, var_1_12=25, var_1_13=64, var_1_15=1, var_1_16=16, var_1_17=6/5, var_1_18=29/5, var_1_19=41/4, var_1_1=-64, var_1_20=5/2, var_1_21=200, var_1_24=1, var_1_25=0, var_1_26=-5, var_1_27=1, var_1_31=0, var_1_32=0, var_1_33=0, var_1_39=21/2, var_1_41=-1, var_1_44=101/2, var_1_45=64, var_1_46=2, var_1_47=16, var_1_48=2, var_1_49=3/2, var_1_50=9999997/10, var_1_51=31/2, var_1_52=64, var_1_55=37/4, var_1_56=-1, var_1_5=0, var_1_6=0, var_1_7=5, var_1_8=0, var_1_9=5] [L20] COND FALSE !(!cond) [L145] RET assume_abort_if_not(var_1_6 >= 0) VAL [isInitial=1, last_1_var_1_13=64, last_1_var_1_15=1, last_1_var_1_1=-64, last_1_var_1_26=-5, var_1_11=16, var_1_12=25, var_1_13=64, var_1_15=1, var_1_16=16, var_1_17=6/5, var_1_18=29/5, var_1_19=41/4, var_1_1=-64, var_1_20=5/2, var_1_21=200, var_1_24=1, var_1_25=0, var_1_26=-5, var_1_27=1, var_1_31=0, var_1_32=0, var_1_33=0, var_1_39=21/2, var_1_41=-1, var_1_44=101/2, var_1_45=64, var_1_46=2, var_1_47=16, var_1_48=2, var_1_49=3/2, var_1_50=9999997/10, var_1_51=31/2, var_1_52=64, var_1_55=37/4, var_1_56=-1, var_1_5=0, var_1_6=0, var_1_7=5, var_1_8=0, var_1_9=5] [L146] CALL assume_abort_if_not(var_1_6 <= 16383) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=64, last_1_var_1_15=1, last_1_var_1_1=-64, last_1_var_1_26=-5, var_1_11=16, var_1_12=25, var_1_13=64, var_1_15=1, var_1_16=16, var_1_17=6/5, var_1_18=29/5, var_1_19=41/4, var_1_1=-64, var_1_20=5/2, var_1_21=200, var_1_24=1, var_1_25=0, var_1_26=-5, var_1_27=1, var_1_31=0, var_1_32=0, var_1_33=0, var_1_39=21/2, var_1_41=-1, var_1_44=101/2, var_1_45=64, var_1_46=2, var_1_47=16, var_1_48=2, var_1_49=3/2, var_1_50=9999997/10, var_1_51=31/2, var_1_52=64, var_1_55=37/4, var_1_56=-1, var_1_5=0, var_1_6=0, var_1_7=5, var_1_8=0, var_1_9=5] [L20] COND FALSE !(!cond) [L146] RET assume_abort_if_not(var_1_6 <= 16383) VAL [isInitial=1, last_1_var_1_13=64, last_1_var_1_15=1, last_1_var_1_1=-64, last_1_var_1_26=-5, var_1_11=16, var_1_12=25, var_1_13=64, var_1_15=1, var_1_16=16, var_1_17=6/5, var_1_18=29/5, var_1_19=41/4, var_1_1=-64, var_1_20=5/2, var_1_21=200, var_1_24=1, var_1_25=0, var_1_26=-5, var_1_27=1, var_1_31=0, var_1_32=0, var_1_33=0, var_1_39=21/2, var_1_41=-1, var_1_44=101/2, var_1_45=64, var_1_46=2, var_1_47=16, var_1_48=2, var_1_49=3/2, var_1_50=9999997/10, var_1_51=31/2, var_1_52=64, var_1_55=37/4, var_1_56=-1, var_1_5=0, var_1_6=0, var_1_7=5, var_1_8=0, var_1_9=5] [L147] var_1_7 = __VERIFIER_nondet_short() [L148] CALL assume_abort_if_not(var_1_7 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=64, last_1_var_1_15=1, last_1_var_1_1=-64, last_1_var_1_26=-5, var_1_11=16, var_1_12=25, var_1_13=64, var_1_15=1, var_1_16=16, var_1_17=6/5, var_1_18=29/5, var_1_19=41/4, var_1_1=-64, var_1_20=5/2, var_1_21=200, var_1_24=1, var_1_25=0, var_1_26=-5, var_1_27=1, var_1_31=0, var_1_32=0, var_1_33=0, var_1_39=21/2, var_1_41=-1, var_1_44=101/2, var_1_45=64, var_1_46=2, var_1_47=16, var_1_48=2, var_1_49=3/2, var_1_50=9999997/10, var_1_51=31/2, var_1_52=64, var_1_55=37/4, var_1_56=-1, var_1_5=0, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=5] [L20] COND FALSE !(!cond) [L148] RET assume_abort_if_not(var_1_7 >= 0) VAL [isInitial=1, last_1_var_1_13=64, last_1_var_1_15=1, last_1_var_1_1=-64, last_1_var_1_26=-5, var_1_11=16, var_1_12=25, var_1_13=64, var_1_15=1, var_1_16=16, var_1_17=6/5, var_1_18=29/5, var_1_19=41/4, var_1_1=-64, var_1_20=5/2, var_1_21=200, var_1_24=1, var_1_25=0, var_1_26=-5, var_1_27=1, var_1_31=0, var_1_32=0, var_1_33=0, var_1_39=21/2, var_1_41=-1, var_1_44=101/2, var_1_45=64, var_1_46=2, var_1_47=16, var_1_48=2, var_1_49=3/2, var_1_50=9999997/10, var_1_51=31/2, var_1_52=64, var_1_55=37/4, var_1_56=-1, var_1_5=0, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=5] [L149] CALL assume_abort_if_not(var_1_7 <= 16383) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=64, last_1_var_1_15=1, last_1_var_1_1=-64, last_1_var_1_26=-5, var_1_11=16, var_1_12=25, var_1_13=64, var_1_15=1, var_1_16=16, var_1_17=6/5, var_1_18=29/5, var_1_19=41/4, var_1_1=-64, var_1_20=5/2, var_1_21=200, var_1_24=1, var_1_25=0, var_1_26=-5, var_1_27=1, var_1_31=0, var_1_32=0, var_1_33=0, var_1_39=21/2, var_1_41=-1, var_1_44=101/2, var_1_45=64, var_1_46=2, var_1_47=16, var_1_48=2, var_1_49=3/2, var_1_50=9999997/10, var_1_51=31/2, var_1_52=64, var_1_55=37/4, var_1_56=-1, var_1_5=0, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=5] [L20] COND FALSE !(!cond) [L149] RET assume_abort_if_not(var_1_7 <= 16383) VAL [isInitial=1, last_1_var_1_13=64, last_1_var_1_15=1, last_1_var_1_1=-64, last_1_var_1_26=-5, var_1_11=16, var_1_12=25, var_1_13=64, var_1_15=1, var_1_16=16, var_1_17=6/5, var_1_18=29/5, var_1_19=41/4, var_1_1=-64, var_1_20=5/2, var_1_21=200, var_1_24=1, var_1_25=0, var_1_26=-5, var_1_27=1, var_1_31=0, var_1_32=0, var_1_33=0, var_1_39=21/2, var_1_41=-1, var_1_44=101/2, var_1_45=64, var_1_46=2, var_1_47=16, var_1_48=2, var_1_49=3/2, var_1_50=9999997/10, var_1_51=31/2, var_1_52=64, var_1_55=37/4, var_1_56=-1, var_1_5=0, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=5] [L150] var_1_8 = __VERIFIER_nondet_short() [L151] CALL assume_abort_if_not(var_1_8 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=64, last_1_var_1_15=1, last_1_var_1_1=-64, last_1_var_1_26=-5, var_1_11=16, var_1_12=25, var_1_13=64, var_1_15=1, var_1_16=16, var_1_17=6/5, var_1_18=29/5, var_1_19=41/4, var_1_1=-64, var_1_20=5/2, var_1_21=200, var_1_24=1, var_1_25=0, var_1_26=-5, var_1_27=1, var_1_31=0, var_1_32=0, var_1_33=0, var_1_39=21/2, var_1_41=-1, var_1_44=101/2, var_1_45=64, var_1_46=2, var_1_47=16, var_1_48=2, var_1_49=3/2, var_1_50=9999997/10, var_1_51=31/2, var_1_52=64, var_1_55=37/4, var_1_56=-1, var_1_5=0, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=5] [L20] COND FALSE !(!cond) [L151] RET assume_abort_if_not(var_1_8 >= 0) VAL [isInitial=1, last_1_var_1_13=64, last_1_var_1_15=1, last_1_var_1_1=-64, last_1_var_1_26=-5, var_1_11=16, var_1_12=25, var_1_13=64, var_1_15=1, var_1_16=16, var_1_17=6/5, var_1_18=29/5, var_1_19=41/4, var_1_1=-64, var_1_20=5/2, var_1_21=200, var_1_24=1, var_1_25=0, var_1_26=-5, var_1_27=1, var_1_31=0, var_1_32=0, var_1_33=0, var_1_39=21/2, var_1_41=-1, var_1_44=101/2, var_1_45=64, var_1_46=2, var_1_47=16, var_1_48=2, var_1_49=3/2, var_1_50=9999997/10, var_1_51=31/2, var_1_52=64, var_1_55=37/4, var_1_56=-1, var_1_5=0, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=5] [L152] CALL assume_abort_if_not(var_1_8 <= 16383) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=64, last_1_var_1_15=1, last_1_var_1_1=-64, last_1_var_1_26=-5, var_1_11=16, var_1_12=25, var_1_13=64, var_1_15=1, var_1_16=16, var_1_17=6/5, var_1_18=29/5, var_1_19=41/4, var_1_1=-64, var_1_20=5/2, var_1_21=200, var_1_24=1, var_1_25=0, var_1_26=-5, var_1_27=1, var_1_31=0, var_1_32=0, var_1_33=0, var_1_39=21/2, var_1_41=-1, var_1_44=101/2, var_1_45=64, var_1_46=2, var_1_47=16, var_1_48=2, var_1_49=3/2, var_1_50=9999997/10, var_1_51=31/2, var_1_52=64, var_1_55=37/4, var_1_56=-1, var_1_5=0, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=5] [L20] COND FALSE !(!cond) [L152] RET assume_abort_if_not(var_1_8 <= 16383) VAL [isInitial=1, last_1_var_1_13=64, last_1_var_1_15=1, last_1_var_1_1=-64, last_1_var_1_26=-5, var_1_11=16, var_1_12=25, var_1_13=64, var_1_15=1, var_1_16=16, var_1_17=6/5, var_1_18=29/5, var_1_19=41/4, var_1_1=-64, var_1_20=5/2, var_1_21=200, var_1_24=1, var_1_25=0, var_1_26=-5, var_1_27=1, var_1_31=0, var_1_32=0, var_1_33=0, var_1_39=21/2, var_1_41=-1, var_1_44=101/2, var_1_45=64, var_1_46=2, var_1_47=16, var_1_48=2, var_1_49=3/2, var_1_50=9999997/10, var_1_51=31/2, var_1_52=64, var_1_55=37/4, var_1_56=-1, var_1_5=0, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=5] [L153] var_1_11 = __VERIFIER_nondet_char() [L154] CALL assume_abort_if_not(var_1_11 >= -127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=64, last_1_var_1_15=1, last_1_var_1_1=-64, last_1_var_1_26=-5, var_1_11=-65, var_1_12=25, var_1_13=64, var_1_15=1, var_1_16=16, var_1_17=6/5, var_1_18=29/5, var_1_19=41/4, var_1_1=-64, var_1_20=5/2, var_1_21=200, var_1_24=1, var_1_25=0, var_1_26=-5, var_1_27=1, var_1_31=0, var_1_32=0, var_1_33=0, var_1_39=21/2, var_1_41=-1, var_1_44=101/2, var_1_45=64, var_1_46=2, var_1_47=16, var_1_48=2, var_1_49=3/2, var_1_50=9999997/10, var_1_51=31/2, var_1_52=64, var_1_55=37/4, var_1_56=-1, var_1_5=0, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=5] [L20] COND FALSE !(!cond) [L154] RET assume_abort_if_not(var_1_11 >= -127) VAL [isInitial=1, last_1_var_1_13=64, last_1_var_1_15=1, last_1_var_1_1=-64, last_1_var_1_26=-5, var_1_11=-65, var_1_12=25, var_1_13=64, var_1_15=1, var_1_16=16, var_1_17=6/5, var_1_18=29/5, var_1_19=41/4, var_1_1=-64, var_1_20=5/2, var_1_21=200, var_1_24=1, var_1_25=0, var_1_26=-5, var_1_27=1, var_1_31=0, var_1_32=0, var_1_33=0, var_1_39=21/2, var_1_41=-1, var_1_44=101/2, var_1_45=64, var_1_46=2, var_1_47=16, var_1_48=2, var_1_49=3/2, var_1_50=9999997/10, var_1_51=31/2, var_1_52=64, var_1_55=37/4, var_1_56=-1, var_1_5=0, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=5] [L155] CALL assume_abort_if_not(var_1_11 <= 126) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=64, last_1_var_1_15=1, last_1_var_1_1=-64, last_1_var_1_26=-5, var_1_11=-65, var_1_12=25, var_1_13=64, var_1_15=1, var_1_16=16, var_1_17=6/5, var_1_18=29/5, var_1_19=41/4, var_1_1=-64, var_1_20=5/2, var_1_21=200, var_1_24=1, var_1_25=0, var_1_26=-5, var_1_27=1, var_1_31=0, var_1_32=0, var_1_33=0, var_1_39=21/2, var_1_41=-1, var_1_44=101/2, var_1_45=64, var_1_46=2, var_1_47=16, var_1_48=2, var_1_49=3/2, var_1_50=9999997/10, var_1_51=31/2, var_1_52=64, var_1_55=37/4, var_1_56=-1, var_1_5=0, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=5] [L20] COND FALSE !(!cond) [L155] RET assume_abort_if_not(var_1_11 <= 126) VAL [isInitial=1, last_1_var_1_13=64, last_1_var_1_15=1, last_1_var_1_1=-64, last_1_var_1_26=-5, var_1_11=-65, var_1_12=25, var_1_13=64, var_1_15=1, var_1_16=16, var_1_17=6/5, var_1_18=29/5, var_1_19=41/4, var_1_1=-64, var_1_20=5/2, var_1_21=200, var_1_24=1, var_1_25=0, var_1_26=-5, var_1_27=1, var_1_31=0, var_1_32=0, var_1_33=0, var_1_39=21/2, var_1_41=-1, var_1_44=101/2, var_1_45=64, var_1_46=2, var_1_47=16, var_1_48=2, var_1_49=3/2, var_1_50=9999997/10, var_1_51=31/2, var_1_52=64, var_1_55=37/4, var_1_56=-1, var_1_5=0, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=5] [L156] var_1_12 = __VERIFIER_nondet_short() [L157] CALL assume_abort_if_not(var_1_12 >= -32768) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=64, last_1_var_1_15=1, last_1_var_1_1=-64, last_1_var_1_26=-5, var_1_11=-65, var_1_12=3, var_1_13=64, var_1_15=1, var_1_16=16, var_1_17=6/5, var_1_18=29/5, var_1_19=41/4, var_1_1=-64, var_1_20=5/2, var_1_21=200, var_1_24=1, var_1_25=0, var_1_26=-5, var_1_27=1, var_1_31=0, var_1_32=0, var_1_33=0, var_1_39=21/2, var_1_41=-1, var_1_44=101/2, var_1_45=64, var_1_46=2, var_1_47=16, var_1_48=2, var_1_49=3/2, var_1_50=9999997/10, var_1_51=31/2, var_1_52=64, var_1_55=37/4, var_1_56=-1, var_1_5=0, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=5] [L20] COND FALSE !(!cond) [L157] RET assume_abort_if_not(var_1_12 >= -32768) VAL [isInitial=1, last_1_var_1_13=64, last_1_var_1_15=1, last_1_var_1_1=-64, last_1_var_1_26=-5, var_1_11=-65, var_1_12=3, var_1_13=64, var_1_15=1, var_1_16=16, var_1_17=6/5, var_1_18=29/5, var_1_19=41/4, var_1_1=-64, var_1_20=5/2, var_1_21=200, var_1_24=1, var_1_25=0, var_1_26=-5, var_1_27=1, var_1_31=0, var_1_32=0, var_1_33=0, var_1_39=21/2, var_1_41=-1, var_1_44=101/2, var_1_45=64, var_1_46=2, var_1_47=16, var_1_48=2, var_1_49=3/2, var_1_50=9999997/10, var_1_51=31/2, var_1_52=64, var_1_55=37/4, var_1_56=-1, var_1_5=0, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=5] [L158] CALL assume_abort_if_not(var_1_12 <= 32767) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=64, last_1_var_1_15=1, last_1_var_1_1=-64, last_1_var_1_26=-5, var_1_11=-65, var_1_12=3, var_1_13=64, var_1_15=1, var_1_16=16, var_1_17=6/5, var_1_18=29/5, var_1_19=41/4, var_1_1=-64, var_1_20=5/2, var_1_21=200, var_1_24=1, var_1_25=0, var_1_26=-5, var_1_27=1, var_1_31=0, var_1_32=0, var_1_33=0, var_1_39=21/2, var_1_41=-1, var_1_44=101/2, var_1_45=64, var_1_46=2, var_1_47=16, var_1_48=2, var_1_49=3/2, var_1_50=9999997/10, var_1_51=31/2, var_1_52=64, var_1_55=37/4, var_1_56=-1, var_1_5=0, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=5] [L20] COND FALSE !(!cond) [L158] RET assume_abort_if_not(var_1_12 <= 32767) VAL [isInitial=1, last_1_var_1_13=64, last_1_var_1_15=1, last_1_var_1_1=-64, last_1_var_1_26=-5, var_1_11=-65, var_1_12=3, var_1_13=64, var_1_15=1, var_1_16=16, var_1_17=6/5, var_1_18=29/5, var_1_19=41/4, var_1_1=-64, var_1_20=5/2, var_1_21=200, var_1_24=1, var_1_25=0, var_1_26=-5, var_1_27=1, var_1_31=0, var_1_32=0, var_1_33=0, var_1_39=21/2, var_1_41=-1, var_1_44=101/2, var_1_45=64, var_1_46=2, var_1_47=16, var_1_48=2, var_1_49=3/2, var_1_50=9999997/10, var_1_51=31/2, var_1_52=64, var_1_55=37/4, var_1_56=-1, var_1_5=0, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=5] [L159] CALL assume_abort_if_not(var_1_12 != 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=64, last_1_var_1_15=1, last_1_var_1_1=-64, last_1_var_1_26=-5, var_1_11=-65, var_1_12=3, var_1_13=64, var_1_15=1, var_1_16=16, var_1_17=6/5, var_1_18=29/5, var_1_19=41/4, var_1_1=-64, var_1_20=5/2, var_1_21=200, var_1_24=1, var_1_25=0, var_1_26=-5, var_1_27=1, var_1_31=0, var_1_32=0, var_1_33=0, var_1_39=21/2, var_1_41=-1, var_1_44=101/2, var_1_45=64, var_1_46=2, var_1_47=16, var_1_48=2, var_1_49=3/2, var_1_50=9999997/10, var_1_51=31/2, var_1_52=64, var_1_55=37/4, var_1_56=-1, var_1_5=0, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=5] [L20] COND FALSE !(!cond) [L159] RET assume_abort_if_not(var_1_12 != 0) VAL [isInitial=1, last_1_var_1_13=64, last_1_var_1_15=1, last_1_var_1_1=-64, last_1_var_1_26=-5, var_1_11=-65, var_1_12=3, var_1_13=64, var_1_15=1, var_1_16=16, var_1_17=6/5, var_1_18=29/5, var_1_19=41/4, var_1_1=-64, var_1_20=5/2, var_1_21=200, var_1_24=1, var_1_25=0, var_1_26=-5, var_1_27=1, var_1_31=0, var_1_32=0, var_1_33=0, var_1_39=21/2, var_1_41=-1, var_1_44=101/2, var_1_45=64, var_1_46=2, var_1_47=16, var_1_48=2, var_1_49=3/2, var_1_50=9999997/10, var_1_51=31/2, var_1_52=64, var_1_55=37/4, var_1_56=-1, var_1_5=0, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=5] [L160] var_1_16 = __VERIFIER_nondet_uchar() [L161] CALL assume_abort_if_not(var_1_16 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=64, last_1_var_1_15=1, last_1_var_1_1=-64, last_1_var_1_26=-5, var_1_11=-65, var_1_12=3, var_1_13=64, var_1_15=1, var_1_17=6/5, var_1_18=29/5, var_1_19=41/4, var_1_1=-64, var_1_20=5/2, var_1_21=200, var_1_24=1, var_1_25=0, var_1_26=-5, var_1_27=1, var_1_31=0, var_1_32=0, var_1_33=0, var_1_39=21/2, var_1_41=-1, var_1_44=101/2, var_1_45=64, var_1_46=2, var_1_47=16, var_1_48=2, var_1_49=3/2, var_1_50=9999997/10, var_1_51=31/2, var_1_52=64, var_1_55=37/4, var_1_56=-1, var_1_5=0, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=5] [L20] COND FALSE !(!cond) [L161] RET assume_abort_if_not(var_1_16 >= 0) VAL [isInitial=1, last_1_var_1_13=64, last_1_var_1_15=1, last_1_var_1_1=-64, last_1_var_1_26=-5, var_1_11=-65, var_1_12=3, var_1_13=64, var_1_15=1, var_1_17=6/5, var_1_18=29/5, var_1_19=41/4, var_1_1=-64, var_1_20=5/2, var_1_21=200, var_1_24=1, var_1_25=0, var_1_26=-5, var_1_27=1, var_1_31=0, var_1_32=0, var_1_33=0, var_1_39=21/2, var_1_41=-1, var_1_44=101/2, var_1_45=64, var_1_46=2, var_1_47=16, var_1_48=2, var_1_49=3/2, var_1_50=9999997/10, var_1_51=31/2, var_1_52=64, var_1_55=37/4, var_1_56=-1, var_1_5=0, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=5] [L162] CALL assume_abort_if_not(var_1_16 <= 254) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=64, last_1_var_1_15=1, last_1_var_1_1=-64, last_1_var_1_26=-5, var_1_11=-65, var_1_12=3, var_1_13=64, var_1_15=1, var_1_16=0, var_1_17=6/5, var_1_18=29/5, var_1_19=41/4, var_1_1=-64, var_1_20=5/2, var_1_21=200, var_1_24=1, var_1_25=0, var_1_26=-5, var_1_27=1, var_1_31=0, var_1_32=0, var_1_33=0, var_1_39=21/2, var_1_41=-1, var_1_44=101/2, var_1_45=64, var_1_46=2, var_1_47=16, var_1_48=2, var_1_49=3/2, var_1_50=9999997/10, var_1_51=31/2, var_1_52=64, var_1_55=37/4, var_1_56=-1, var_1_5=0, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=5] [L20] COND FALSE !(!cond) [L162] RET assume_abort_if_not(var_1_16 <= 254) VAL [isInitial=1, last_1_var_1_13=64, last_1_var_1_15=1, last_1_var_1_1=-64, last_1_var_1_26=-5, var_1_11=-65, var_1_12=3, var_1_13=64, var_1_15=1, var_1_16=0, var_1_17=6/5, var_1_18=29/5, var_1_19=41/4, var_1_1=-64, var_1_20=5/2, var_1_21=200, var_1_24=1, var_1_25=0, var_1_26=-5, var_1_27=1, var_1_31=0, var_1_32=0, var_1_33=0, var_1_39=21/2, var_1_41=-1, var_1_44=101/2, var_1_45=64, var_1_46=2, var_1_47=16, var_1_48=2, var_1_49=3/2, var_1_50=9999997/10, var_1_51=31/2, var_1_52=64, var_1_55=37/4, var_1_56=-1, var_1_5=0, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=5] [L163] var_1_18 = __VERIFIER_nondet_float() [L164] CALL assume_abort_if_not((var_1_18 >= -922337.2036854765600e+13F && var_1_18 <= -1.0e-20F) || (var_1_18 <= 9223372.036854765600e+12F && var_1_18 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=64, last_1_var_1_15=1, last_1_var_1_1=-64, last_1_var_1_26=-5, var_1_11=-65, var_1_12=3, var_1_13=64, var_1_15=1, var_1_16=0, var_1_17=6/5, var_1_19=41/4, var_1_1=-64, var_1_20=5/2, var_1_21=200, var_1_24=1, var_1_25=0, var_1_26=-5, var_1_27=1, var_1_31=0, var_1_32=0, var_1_33=0, var_1_39=21/2, var_1_41=-1, var_1_44=101/2, var_1_45=64, var_1_46=2, var_1_47=16, var_1_48=2, var_1_49=3/2, var_1_50=9999997/10, var_1_51=31/2, var_1_52=64, var_1_55=37/4, var_1_56=-1, var_1_5=0, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=5] [L20] COND FALSE !(!cond) [L164] RET assume_abort_if_not((var_1_18 >= -922337.2036854765600e+13F && var_1_18 <= -1.0e-20F) || (var_1_18 <= 9223372.036854765600e+12F && var_1_18 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_13=64, last_1_var_1_15=1, last_1_var_1_1=-64, last_1_var_1_26=-5, var_1_11=-65, var_1_12=3, var_1_13=64, var_1_15=1, var_1_16=0, var_1_17=6/5, var_1_19=41/4, var_1_1=-64, var_1_20=5/2, var_1_21=200, var_1_24=1, var_1_25=0, var_1_26=-5, var_1_27=1, var_1_31=0, var_1_32=0, var_1_33=0, var_1_39=21/2, var_1_41=-1, var_1_44=101/2, var_1_45=64, var_1_46=2, var_1_47=16, var_1_48=2, var_1_49=3/2, var_1_50=9999997/10, var_1_51=31/2, var_1_52=64, var_1_55=37/4, var_1_56=-1, var_1_5=0, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=5] [L165] var_1_19 = __VERIFIER_nondet_float() [L166] CALL assume_abort_if_not((var_1_19 >= 0.0F && var_1_19 <= -1.0e-20F) || (var_1_19 <= 9223372.036854765600e+12F && var_1_19 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=64, last_1_var_1_15=1, last_1_var_1_1=-64, last_1_var_1_26=-5, var_1_11=-65, var_1_12=3, var_1_13=64, var_1_15=1, var_1_16=0, var_1_17=6/5, var_1_1=-64, var_1_20=5/2, var_1_21=200, var_1_24=1, var_1_25=0, var_1_26=-5, var_1_27=1, var_1_31=0, var_1_32=0, var_1_33=0, var_1_39=21/2, var_1_41=-1, var_1_44=101/2, var_1_45=64, var_1_46=2, var_1_47=16, var_1_48=2, var_1_49=3/2, var_1_50=9999997/10, var_1_51=31/2, var_1_52=64, var_1_55=37/4, var_1_56=-1, var_1_5=0, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=5] [L20] COND FALSE !(!cond) [L166] RET assume_abort_if_not((var_1_19 >= 0.0F && var_1_19 <= -1.0e-20F) || (var_1_19 <= 9223372.036854765600e+12F && var_1_19 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_13=64, last_1_var_1_15=1, last_1_var_1_1=-64, last_1_var_1_26=-5, var_1_11=-65, var_1_12=3, var_1_13=64, var_1_15=1, var_1_16=0, var_1_17=6/5, var_1_1=-64, var_1_20=5/2, var_1_21=200, var_1_24=1, var_1_25=0, var_1_26=-5, var_1_27=1, var_1_31=0, var_1_32=0, var_1_33=0, var_1_39=21/2, var_1_41=-1, var_1_44=101/2, var_1_45=64, var_1_46=2, var_1_47=16, var_1_48=2, var_1_49=3/2, var_1_50=9999997/10, var_1_51=31/2, var_1_52=64, var_1_55=37/4, var_1_56=-1, var_1_5=0, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=5] [L167] var_1_20 = __VERIFIER_nondet_float() [L168] CALL assume_abort_if_not((var_1_20 >= 0.0F && var_1_20 <= -1.0e-20F) || (var_1_20 <= 9223372.036854765600e+12F && var_1_20 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=64, last_1_var_1_15=1, last_1_var_1_1=-64, last_1_var_1_26=-5, var_1_11=-65, var_1_12=3, var_1_13=64, var_1_15=1, var_1_16=0, var_1_17=6/5, var_1_1=-64, var_1_21=200, var_1_24=1, var_1_25=0, var_1_26=-5, var_1_27=1, var_1_31=0, var_1_32=0, var_1_33=0, var_1_39=21/2, var_1_41=-1, var_1_44=101/2, var_1_45=64, var_1_46=2, var_1_47=16, var_1_48=2, var_1_49=3/2, var_1_50=9999997/10, var_1_51=31/2, var_1_52=64, var_1_55=37/4, var_1_56=-1, var_1_5=0, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=5] [L20] COND FALSE !(!cond) [L168] RET assume_abort_if_not((var_1_20 >= 0.0F && var_1_20 <= -1.0e-20F) || (var_1_20 <= 9223372.036854765600e+12F && var_1_20 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_13=64, last_1_var_1_15=1, last_1_var_1_1=-64, last_1_var_1_26=-5, var_1_11=-65, var_1_12=3, var_1_13=64, var_1_15=1, var_1_16=0, var_1_17=6/5, var_1_1=-64, var_1_21=200, var_1_24=1, var_1_25=0, var_1_26=-5, var_1_27=1, var_1_31=0, var_1_32=0, var_1_33=0, var_1_39=21/2, var_1_41=-1, var_1_44=101/2, var_1_45=64, var_1_46=2, var_1_47=16, var_1_48=2, var_1_49=3/2, var_1_50=9999997/10, var_1_51=31/2, var_1_52=64, var_1_55=37/4, var_1_56=-1, var_1_5=0, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=5] [L169] var_1_25 = __VERIFIER_nondet_uchar() [L170] CALL assume_abort_if_not(var_1_25 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=64, last_1_var_1_15=1, last_1_var_1_1=-64, last_1_var_1_26=-5, var_1_11=-65, var_1_12=3, var_1_13=64, var_1_15=1, var_1_16=0, var_1_17=6/5, var_1_1=-64, var_1_21=200, var_1_24=1, var_1_26=-5, var_1_27=1, var_1_31=0, var_1_32=0, var_1_33=0, var_1_39=21/2, var_1_41=-1, var_1_44=101/2, var_1_45=64, var_1_46=2, var_1_47=16, var_1_48=2, var_1_49=3/2, var_1_50=9999997/10, var_1_51=31/2, var_1_52=64, var_1_55=37/4, var_1_56=-1, var_1_5=0, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=5] [L20] COND FALSE !(!cond) [L170] RET assume_abort_if_not(var_1_25 >= 0) VAL [isInitial=1, last_1_var_1_13=64, last_1_var_1_15=1, last_1_var_1_1=-64, last_1_var_1_26=-5, var_1_11=-65, var_1_12=3, var_1_13=64, var_1_15=1, var_1_16=0, var_1_17=6/5, var_1_1=-64, var_1_21=200, var_1_24=1, var_1_26=-5, var_1_27=1, var_1_31=0, var_1_32=0, var_1_33=0, var_1_39=21/2, var_1_41=-1, var_1_44=101/2, var_1_45=64, var_1_46=2, var_1_47=16, var_1_48=2, var_1_49=3/2, var_1_50=9999997/10, var_1_51=31/2, var_1_52=64, var_1_55=37/4, var_1_56=-1, var_1_5=0, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=5] [L171] CALL assume_abort_if_not(var_1_25 <= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=64, last_1_var_1_15=1, last_1_var_1_1=-64, last_1_var_1_26=-5, var_1_11=-65, var_1_12=3, var_1_13=64, var_1_15=1, var_1_16=0, var_1_17=6/5, var_1_1=-64, var_1_21=200, var_1_24=1, var_1_25=0, var_1_26=-5, var_1_27=1, var_1_31=0, var_1_32=0, var_1_33=0, var_1_39=21/2, var_1_41=-1, var_1_44=101/2, var_1_45=64, var_1_46=2, var_1_47=16, var_1_48=2, var_1_49=3/2, var_1_50=9999997/10, var_1_51=31/2, var_1_52=64, var_1_55=37/4, var_1_56=-1, var_1_5=0, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=5] [L20] COND FALSE !(!cond) [L171] RET assume_abort_if_not(var_1_25 <= 0) VAL [isInitial=1, last_1_var_1_13=64, last_1_var_1_15=1, last_1_var_1_1=-64, last_1_var_1_26=-5, var_1_11=-65, var_1_12=3, var_1_13=64, var_1_15=1, var_1_16=0, var_1_17=6/5, var_1_1=-64, var_1_21=200, var_1_24=1, var_1_25=0, var_1_26=-5, var_1_27=1, var_1_31=0, var_1_32=0, var_1_33=0, var_1_39=21/2, var_1_41=-1, var_1_44=101/2, var_1_45=64, var_1_46=2, var_1_47=16, var_1_48=2, var_1_49=3/2, var_1_50=9999997/10, var_1_51=31/2, var_1_52=64, var_1_55=37/4, var_1_56=-1, var_1_5=0, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=5] [L172] var_1_31 = __VERIFIER_nondet_uchar() [L173] CALL assume_abort_if_not(var_1_31 >= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=64, last_1_var_1_15=1, last_1_var_1_1=-64, last_1_var_1_26=-5, var_1_11=-65, var_1_12=3, var_1_13=64, var_1_15=1, var_1_16=0, var_1_17=6/5, var_1_1=-64, var_1_21=200, var_1_24=1, var_1_25=0, var_1_26=-5, var_1_27=1, var_1_31=1, var_1_32=0, var_1_33=0, var_1_39=21/2, var_1_41=-1, var_1_44=101/2, var_1_45=64, var_1_46=2, var_1_47=16, var_1_48=2, var_1_49=3/2, var_1_50=9999997/10, var_1_51=31/2, var_1_52=64, var_1_55=37/4, var_1_56=-1, var_1_5=0, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=5] [L20] COND FALSE !(!cond) [L173] RET assume_abort_if_not(var_1_31 >= 1) VAL [isInitial=1, last_1_var_1_13=64, last_1_var_1_15=1, last_1_var_1_1=-64, last_1_var_1_26=-5, var_1_11=-65, var_1_12=3, var_1_13=64, var_1_15=1, var_1_16=0, var_1_17=6/5, var_1_1=-64, var_1_21=200, var_1_24=1, var_1_25=0, var_1_26=-5, var_1_27=1, var_1_31=1, var_1_32=0, var_1_33=0, var_1_39=21/2, var_1_41=-1, var_1_44=101/2, var_1_45=64, var_1_46=2, var_1_47=16, var_1_48=2, var_1_49=3/2, var_1_50=9999997/10, var_1_51=31/2, var_1_52=64, var_1_55=37/4, var_1_56=-1, var_1_5=0, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=5] [L174] CALL assume_abort_if_not(var_1_31 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=64, last_1_var_1_15=1, last_1_var_1_1=-64, last_1_var_1_26=-5, var_1_11=-65, var_1_12=3, var_1_13=64, var_1_15=1, var_1_16=0, var_1_17=6/5, var_1_1=-64, var_1_21=200, var_1_24=1, var_1_25=0, var_1_26=-5, var_1_27=1, var_1_31=1, var_1_32=0, var_1_33=0, var_1_39=21/2, var_1_41=-1, var_1_44=101/2, var_1_45=64, var_1_46=2, var_1_47=16, var_1_48=2, var_1_49=3/2, var_1_50=9999997/10, var_1_51=31/2, var_1_52=64, var_1_55=37/4, var_1_56=-1, var_1_5=0, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=5] [L20] COND FALSE !(!cond) [L174] RET assume_abort_if_not(var_1_31 <= 1) VAL [isInitial=1, last_1_var_1_13=64, last_1_var_1_15=1, last_1_var_1_1=-64, last_1_var_1_26=-5, var_1_11=-65, var_1_12=3, var_1_13=64, var_1_15=1, var_1_16=0, var_1_17=6/5, var_1_1=-64, var_1_21=200, var_1_24=1, var_1_25=0, var_1_26=-5, var_1_27=1, var_1_31=1, var_1_32=0, var_1_33=0, var_1_39=21/2, var_1_41=-1, var_1_44=101/2, var_1_45=64, var_1_46=2, var_1_47=16, var_1_48=2, var_1_49=3/2, var_1_50=9999997/10, var_1_51=31/2, var_1_52=64, var_1_55=37/4, var_1_56=-1, var_1_5=0, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=5] [L175] var_1_32 = __VERIFIER_nondet_uchar() [L176] CALL assume_abort_if_not(var_1_32 >= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=64, last_1_var_1_15=1, last_1_var_1_1=-64, last_1_var_1_26=-5, var_1_11=-65, var_1_12=3, var_1_13=64, var_1_15=1, var_1_16=0, var_1_17=6/5, var_1_1=-64, var_1_21=200, var_1_24=1, var_1_25=0, var_1_26=-5, var_1_27=1, var_1_31=1, var_1_32=1, var_1_33=0, var_1_39=21/2, var_1_41=-1, var_1_44=101/2, var_1_45=64, var_1_46=2, var_1_47=16, var_1_48=2, var_1_49=3/2, var_1_50=9999997/10, var_1_51=31/2, var_1_52=64, var_1_55=37/4, var_1_56=-1, var_1_5=0, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=5] [L20] COND FALSE !(!cond) [L176] RET assume_abort_if_not(var_1_32 >= 1) VAL [isInitial=1, last_1_var_1_13=64, last_1_var_1_15=1, last_1_var_1_1=-64, last_1_var_1_26=-5, var_1_11=-65, var_1_12=3, var_1_13=64, var_1_15=1, var_1_16=0, var_1_17=6/5, var_1_1=-64, var_1_21=200, var_1_24=1, var_1_25=0, var_1_26=-5, var_1_27=1, var_1_31=1, var_1_32=1, var_1_33=0, var_1_39=21/2, var_1_41=-1, var_1_44=101/2, var_1_45=64, var_1_46=2, var_1_47=16, var_1_48=2, var_1_49=3/2, var_1_50=9999997/10, var_1_51=31/2, var_1_52=64, var_1_55=37/4, var_1_56=-1, var_1_5=0, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=5] [L177] CALL assume_abort_if_not(var_1_32 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=64, last_1_var_1_15=1, last_1_var_1_1=-64, last_1_var_1_26=-5, var_1_11=-65, var_1_12=3, var_1_13=64, var_1_15=1, var_1_16=0, var_1_17=6/5, var_1_1=-64, var_1_21=200, var_1_24=1, var_1_25=0, var_1_26=-5, var_1_27=1, var_1_31=1, var_1_32=1, var_1_33=0, var_1_39=21/2, var_1_41=-1, var_1_44=101/2, var_1_45=64, var_1_46=2, var_1_47=16, var_1_48=2, var_1_49=3/2, var_1_50=9999997/10, var_1_51=31/2, var_1_52=64, var_1_55=37/4, var_1_56=-1, var_1_5=0, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=5] [L20] COND FALSE !(!cond) [L177] RET assume_abort_if_not(var_1_32 <= 1) VAL [isInitial=1, last_1_var_1_13=64, last_1_var_1_15=1, last_1_var_1_1=-64, last_1_var_1_26=-5, var_1_11=-65, var_1_12=3, var_1_13=64, var_1_15=1, var_1_16=0, var_1_17=6/5, var_1_1=-64, var_1_21=200, var_1_24=1, var_1_25=0, var_1_26=-5, var_1_27=1, var_1_31=1, var_1_32=1, var_1_33=0, var_1_39=21/2, var_1_41=-1, var_1_44=101/2, var_1_45=64, var_1_46=2, var_1_47=16, var_1_48=2, var_1_49=3/2, var_1_50=9999997/10, var_1_51=31/2, var_1_52=64, var_1_55=37/4, var_1_56=-1, var_1_5=0, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=5] [L178] var_1_33 = __VERIFIER_nondet_uchar() [L179] CALL assume_abort_if_not(var_1_33 >= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=64, last_1_var_1_15=1, last_1_var_1_1=-64, last_1_var_1_26=-5, var_1_11=-65, var_1_12=3, var_1_13=64, var_1_15=1, var_1_16=0, var_1_17=6/5, var_1_1=-64, var_1_21=200, var_1_24=1, var_1_25=0, var_1_26=-5, var_1_27=1, var_1_31=1, var_1_32=1, var_1_33=1, var_1_39=21/2, var_1_41=-1, var_1_44=101/2, var_1_45=64, var_1_46=2, var_1_47=16, var_1_48=2, var_1_49=3/2, var_1_50=9999997/10, var_1_51=31/2, var_1_52=64, var_1_55=37/4, var_1_56=-1, var_1_5=0, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=5] [L20] COND FALSE !(!cond) [L179] RET assume_abort_if_not(var_1_33 >= 1) VAL [isInitial=1, last_1_var_1_13=64, last_1_var_1_15=1, last_1_var_1_1=-64, last_1_var_1_26=-5, var_1_11=-65, var_1_12=3, var_1_13=64, var_1_15=1, var_1_16=0, var_1_17=6/5, var_1_1=-64, var_1_21=200, var_1_24=1, var_1_25=0, var_1_26=-5, var_1_27=1, var_1_31=1, var_1_32=1, var_1_33=1, var_1_39=21/2, var_1_41=-1, var_1_44=101/2, var_1_45=64, var_1_46=2, var_1_47=16, var_1_48=2, var_1_49=3/2, var_1_50=9999997/10, var_1_51=31/2, var_1_52=64, var_1_55=37/4, var_1_56=-1, var_1_5=0, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=5] [L180] CALL assume_abort_if_not(var_1_33 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=64, last_1_var_1_15=1, last_1_var_1_1=-64, last_1_var_1_26=-5, var_1_11=-65, var_1_12=3, var_1_13=64, var_1_15=1, var_1_16=0, var_1_17=6/5, var_1_1=-64, var_1_21=200, var_1_24=1, var_1_25=0, var_1_26=-5, var_1_27=1, var_1_31=1, var_1_32=1, var_1_33=1, var_1_39=21/2, var_1_41=-1, var_1_44=101/2, var_1_45=64, var_1_46=2, var_1_47=16, var_1_48=2, var_1_49=3/2, var_1_50=9999997/10, var_1_51=31/2, var_1_52=64, var_1_55=37/4, var_1_56=-1, var_1_5=0, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=5] [L20] COND FALSE !(!cond) [L180] RET assume_abort_if_not(var_1_33 <= 1) VAL [isInitial=1, last_1_var_1_13=64, last_1_var_1_15=1, last_1_var_1_1=-64, last_1_var_1_26=-5, var_1_11=-65, var_1_12=3, var_1_13=64, var_1_15=1, var_1_16=0, var_1_17=6/5, var_1_1=-64, var_1_21=200, var_1_24=1, var_1_25=0, var_1_26=-5, var_1_27=1, var_1_31=1, var_1_32=1, var_1_33=1, var_1_39=21/2, var_1_41=-1, var_1_44=101/2, var_1_45=64, var_1_46=2, var_1_47=16, var_1_48=2, var_1_49=3/2, var_1_50=9999997/10, var_1_51=31/2, var_1_52=64, var_1_55=37/4, var_1_56=-1, var_1_5=0, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=5] [L181] var_1_46 = __VERIFIER_nondet_char() [L182] CALL assume_abort_if_not(var_1_46 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=64, last_1_var_1_15=1, last_1_var_1_1=-64, last_1_var_1_26=-5, var_1_11=-65, var_1_12=3, var_1_13=64, var_1_15=1, var_1_16=0, var_1_17=6/5, var_1_1=-64, var_1_21=200, var_1_24=1, var_1_25=0, var_1_26=-5, var_1_27=1, var_1_31=1, var_1_32=1, var_1_33=1, var_1_39=21/2, var_1_41=-1, var_1_44=101/2, var_1_45=64, var_1_46=127, var_1_47=16, var_1_48=2, var_1_49=3/2, var_1_50=9999997/10, var_1_51=31/2, var_1_52=64, var_1_55=37/4, var_1_56=-1, var_1_5=0, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=5] [L20] COND FALSE !(!cond) [L182] RET assume_abort_if_not(var_1_46 >= 0) VAL [isInitial=1, last_1_var_1_13=64, last_1_var_1_15=1, last_1_var_1_1=-64, last_1_var_1_26=-5, var_1_11=-65, var_1_12=3, var_1_13=64, var_1_15=1, var_1_16=0, var_1_17=6/5, var_1_1=-64, var_1_21=200, var_1_24=1, var_1_25=0, var_1_26=-5, var_1_27=1, var_1_31=1, var_1_32=1, var_1_33=1, var_1_39=21/2, var_1_41=-1, var_1_44=101/2, var_1_45=64, var_1_46=127, var_1_47=16, var_1_48=2, var_1_49=3/2, var_1_50=9999997/10, var_1_51=31/2, var_1_52=64, var_1_55=37/4, var_1_56=-1, var_1_5=0, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=5] [L183] CALL assume_abort_if_not(var_1_46 <= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=64, last_1_var_1_15=1, last_1_var_1_1=-64, last_1_var_1_26=-5, var_1_11=-65, var_1_12=3, var_1_13=64, var_1_15=1, var_1_16=0, var_1_17=6/5, var_1_1=-64, var_1_21=200, var_1_24=1, var_1_25=0, var_1_26=-5, var_1_27=1, var_1_31=1, var_1_32=1, var_1_33=1, var_1_39=21/2, var_1_41=-1, var_1_44=101/2, var_1_45=64, var_1_46=127, var_1_47=16, var_1_48=2, var_1_49=3/2, var_1_50=9999997/10, var_1_51=31/2, var_1_52=64, var_1_55=37/4, var_1_56=-1, var_1_5=0, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=5] [L20] COND FALSE !(!cond) [L183] RET assume_abort_if_not(var_1_46 <= 127) VAL [isInitial=1, last_1_var_1_13=64, last_1_var_1_15=1, last_1_var_1_1=-64, last_1_var_1_26=-5, var_1_11=-65, var_1_12=3, var_1_13=64, var_1_15=1, var_1_16=0, var_1_17=6/5, var_1_1=-64, var_1_21=200, var_1_24=1, var_1_25=0, var_1_26=-5, var_1_27=1, var_1_31=1, var_1_32=1, var_1_33=1, var_1_39=21/2, var_1_41=-1, var_1_44=101/2, var_1_45=64, var_1_46=127, var_1_47=16, var_1_48=2, var_1_49=3/2, var_1_50=9999997/10, var_1_51=31/2, var_1_52=64, var_1_55=37/4, var_1_56=-1, var_1_5=0, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=5] [L184] var_1_47 = __VERIFIER_nondet_char() [L185] CALL assume_abort_if_not(var_1_47 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=64, last_1_var_1_15=1, last_1_var_1_1=-64, last_1_var_1_26=-5, var_1_11=-65, var_1_12=3, var_1_13=64, var_1_15=1, var_1_16=0, var_1_17=6/5, var_1_1=-64, var_1_21=200, var_1_24=1, var_1_25=0, var_1_26=-5, var_1_27=1, var_1_31=1, var_1_32=1, var_1_33=1, var_1_39=21/2, var_1_41=-1, var_1_44=101/2, var_1_45=64, var_1_46=127, var_1_47=127, var_1_48=2, var_1_49=3/2, var_1_50=9999997/10, var_1_51=31/2, var_1_52=64, var_1_55=37/4, var_1_56=-1, var_1_5=0, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=5] [L20] COND FALSE !(!cond) [L185] RET assume_abort_if_not(var_1_47 >= 0) VAL [isInitial=1, last_1_var_1_13=64, last_1_var_1_15=1, last_1_var_1_1=-64, last_1_var_1_26=-5, var_1_11=-65, var_1_12=3, var_1_13=64, var_1_15=1, var_1_16=0, var_1_17=6/5, var_1_1=-64, var_1_21=200, var_1_24=1, var_1_25=0, var_1_26=-5, var_1_27=1, var_1_31=1, var_1_32=1, var_1_33=1, var_1_39=21/2, var_1_41=-1, var_1_44=101/2, var_1_45=64, var_1_46=127, var_1_47=127, var_1_48=2, var_1_49=3/2, var_1_50=9999997/10, var_1_51=31/2, var_1_52=64, var_1_55=37/4, var_1_56=-1, var_1_5=0, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=5] [L186] CALL assume_abort_if_not(var_1_47 <= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=64, last_1_var_1_15=1, last_1_var_1_1=-64, last_1_var_1_26=-5, var_1_11=-65, var_1_12=3, var_1_13=64, var_1_15=1, var_1_16=0, var_1_17=6/5, var_1_1=-64, var_1_21=200, var_1_24=1, var_1_25=0, var_1_26=-5, var_1_27=1, var_1_31=1, var_1_32=1, var_1_33=1, var_1_39=21/2, var_1_41=-1, var_1_44=101/2, var_1_45=64, var_1_46=127, var_1_47=127, var_1_48=2, var_1_49=3/2, var_1_50=9999997/10, var_1_51=31/2, var_1_52=64, var_1_55=37/4, var_1_56=-1, var_1_5=0, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=5] [L20] COND FALSE !(!cond) [L186] RET assume_abort_if_not(var_1_47 <= 127) VAL [isInitial=1, last_1_var_1_13=64, last_1_var_1_15=1, last_1_var_1_1=-64, last_1_var_1_26=-5, var_1_11=-65, var_1_12=3, var_1_13=64, var_1_15=1, var_1_16=0, var_1_17=6/5, var_1_1=-64, var_1_21=200, var_1_24=1, var_1_25=0, var_1_26=-5, var_1_27=1, var_1_31=1, var_1_32=1, var_1_33=1, var_1_39=21/2, var_1_41=-1, var_1_44=101/2, var_1_45=64, var_1_46=127, var_1_47=127, var_1_48=2, var_1_49=3/2, var_1_50=9999997/10, var_1_51=31/2, var_1_52=64, var_1_55=37/4, var_1_56=-1, var_1_5=0, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=5] [L187] var_1_50 = __VERIFIER_nondet_double() [L188] CALL assume_abort_if_not((var_1_50 >= -461168.6018427382800e+13F && var_1_50 <= -1.0e-20F) || (var_1_50 <= 4611686.018427382800e+12F && var_1_50 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=64, last_1_var_1_15=1, last_1_var_1_1=-64, last_1_var_1_26=-5, var_1_11=-65, var_1_12=3, var_1_13=64, var_1_15=1, var_1_16=0, var_1_17=6/5, var_1_1=-64, var_1_21=200, var_1_24=1, var_1_25=0, var_1_26=-5, var_1_27=1, var_1_31=1, var_1_32=1, var_1_33=1, var_1_39=21/2, var_1_41=-1, var_1_44=101/2, var_1_45=64, var_1_46=127, var_1_47=127, var_1_48=2, var_1_49=3/2, var_1_51=31/2, var_1_52=64, var_1_55=37/4, var_1_56=-1, var_1_5=0, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=5] [L20] COND FALSE !(!cond) [L188] RET assume_abort_if_not((var_1_50 >= -461168.6018427382800e+13F && var_1_50 <= -1.0e-20F) || (var_1_50 <= 4611686.018427382800e+12F && var_1_50 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_13=64, last_1_var_1_15=1, last_1_var_1_1=-64, last_1_var_1_26=-5, var_1_11=-65, var_1_12=3, var_1_13=64, var_1_15=1, var_1_16=0, var_1_17=6/5, var_1_1=-64, var_1_21=200, var_1_24=1, var_1_25=0, var_1_26=-5, var_1_27=1, var_1_31=1, var_1_32=1, var_1_33=1, var_1_39=21/2, var_1_41=-1, var_1_44=101/2, var_1_45=64, var_1_46=127, var_1_47=127, var_1_48=2, var_1_49=3/2, var_1_51=31/2, var_1_52=64, var_1_55=37/4, var_1_56=-1, var_1_5=0, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=5] [L189] var_1_51 = __VERIFIER_nondet_double() [L190] CALL assume_abort_if_not((var_1_51 >= -461168.6018427382800e+13F && var_1_51 <= -1.0e-20F) || (var_1_51 <= 4611686.018427382800e+12F && var_1_51 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=64, last_1_var_1_15=1, last_1_var_1_1=-64, last_1_var_1_26=-5, var_1_11=-65, var_1_12=3, var_1_13=64, var_1_15=1, var_1_16=0, var_1_17=6/5, var_1_1=-64, var_1_21=200, var_1_24=1, var_1_25=0, var_1_26=-5, var_1_27=1, var_1_31=1, var_1_32=1, var_1_33=1, var_1_39=21/2, var_1_41=-1, var_1_44=101/2, var_1_45=64, var_1_46=127, var_1_47=127, var_1_48=2, var_1_49=3/2, var_1_52=64, var_1_55=37/4, var_1_56=-1, var_1_5=0, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=5] [L20] COND FALSE !(!cond) [L190] RET assume_abort_if_not((var_1_51 >= -461168.6018427382800e+13F && var_1_51 <= -1.0e-20F) || (var_1_51 <= 4611686.018427382800e+12F && var_1_51 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_13=64, last_1_var_1_15=1, last_1_var_1_1=-64, last_1_var_1_26=-5, var_1_11=-65, var_1_12=3, var_1_13=64, var_1_15=1, var_1_16=0, var_1_17=6/5, var_1_1=-64, var_1_21=200, var_1_24=1, var_1_25=0, var_1_26=-5, var_1_27=1, var_1_31=1, var_1_32=1, var_1_33=1, var_1_39=21/2, var_1_41=-1, var_1_44=101/2, var_1_45=64, var_1_46=127, var_1_47=127, var_1_48=2, var_1_49=3/2, var_1_52=64, var_1_55=37/4, var_1_56=-1, var_1_5=0, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=5] [L207] RET updateVariables() [L208] CALL step() [L65] COND FALSE !(last_1_var_1_13 == last_1_var_1_1) [L72] signed long int stepLocal_3 = (var_1_6 + var_1_8) - var_1_5; [L73] signed short int stepLocal_2 = var_1_1; [L74] COND TRUE var_1_11 < stepLocal_2 [L75] COND TRUE var_1_7 == stepLocal_3 [L76] var_1_15 = var_1_16 [L83] COND FALSE !((! (var_1_24 || var_1_25)) && var_1_25) [L86] COND FALSE !(((((var_1_18) < 0 ) ? -(var_1_18) : (var_1_18))) < var_1_20) [L89] var_1_27 = var_1_31 [L92] var_1_39 = var_1_18 [L93] COND FALSE !((((((-100) < 0 ) ? -(-100) : (-100))) - ((((var_1_46) > (var_1_47)) ? (var_1_46) : (var_1_47)))) >= var_1_7) [L96] var_1_49 = (var_1_50 + var_1_51) [L97] COND TRUE \read(var_1_24) [L98] var_1_55 = ((((var_1_51) < 0 ) ? -(var_1_51) : (var_1_51))) [L100] COND TRUE var_1_11 < 5 [L101] var_1_17 = ((((var_1_18) > ((var_1_19 - var_1_20))) ? (var_1_18) : ((var_1_19 - var_1_20)))) [L103] COND FALSE !(\read(var_1_25)) [L106] COND FALSE !(var_1_20 >= var_1_20) [L109] var_1_24 = var_1_25 [L110] COND TRUE var_1_33 && var_1_32 [L111] var_1_41 = ((((var_1_15) < (var_1_11)) ? (var_1_15) : (var_1_11))) [L113] var_1_44 = var_1_18 [L114] var_1_26 = var_1_11 [L115] COND TRUE (var_1_19 - var_1_20) >= ((- var_1_51) * ((((var_1_20) < 0 ) ? -(var_1_20) : (var_1_20)))) [L116] var_1_52 = ((((8u) < 0 ) ? -(8u) : (8u))) [L118] COND FALSE !(\read(var_1_24)) [L123] var_1_21 = (var_1_15 - 2) [L125] unsigned char stepLocal_0 = var_1_15; [L126] COND FALSE !(\read(var_1_24)) [L129] COND TRUE stepLocal_0 <= (var_1_21 / var_1_12) [L130] var_1_9 = var_1_11 [L135] signed long int stepLocal_1 = var_1_1 * (var_1_15 % var_1_12); [L136] COND TRUE (- var_1_15) >= stepLocal_1 [L137] var_1_13 = var_1_26 [L208] RET step() [L209] CALL, EXPR property() [L199-L200] return ((((((((last_1_var_1_13 == last_1_var_1_1) ? ((last_1_var_1_1 <= ((((last_1_var_1_13) > (last_1_var_1_26)) ? (last_1_var_1_13) : (last_1_var_1_26)))) ? (var_1_1 == ((signed short int) (last_1_var_1_1 + (((((last_1_var_1_15 - last_1_var_1_15)) < ((last_1_var_1_15 - last_1_var_1_15))) ? ((last_1_var_1_15 - last_1_var_1_15)) : ((last_1_var_1_15 - last_1_var_1_15))))))) : (var_1_1 == ((signed short int) (((((last_1_var_1_15 - last_1_var_1_15)) < (((last_1_var_1_15 - last_1_var_1_15) + -256))) ? ((last_1_var_1_15 - last_1_var_1_15)) : (((last_1_var_1_15 - last_1_var_1_15) + -256))))))) : 1) && (var_1_24 ? (var_1_9 == ((signed char) var_1_11)) : ((var_1_15 <= (var_1_21 / var_1_12)) ? (var_1_9 == ((signed char) var_1_11)) : (var_1_9 == ((signed char) var_1_11))))) && (((- var_1_15) >= (var_1_1 * (var_1_15 % var_1_12))) ? (var_1_13 == ((signed short int) var_1_26)) : 1)) && ((var_1_11 < var_1_1) ? ((var_1_7 == ((var_1_6 + var_1_8) - var_1_5)) ? (var_1_15 == ((unsigned char) var_1_16)) : (var_1_15 == ((unsigned char) var_1_16))) : (var_1_15 == ((unsigned char) var_1_16)))) && ((var_1_11 < 5) ? (var_1_17 == ((float) ((((var_1_18) > ((var_1_19 - var_1_20))) ? (var_1_18) : ((var_1_19 - var_1_20)))))) : 1)) && (var_1_24 ? ((var_1_24 && var_1_24) ? (var_1_21 == ((signed short int) var_1_15)) : 1) : (var_1_21 == ((signed short int) (var_1_15 - 2))))) && (var_1_24 == ((unsigned char) var_1_25))) && (var_1_26 == ((signed char) var_1_11)) ; [L209] RET, EXPR property() [L209] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_13=64, last_1_var_1_15=1, last_1_var_1_1=-64, last_1_var_1_26=-5, var_1_11=-65, var_1_12=3, var_1_13=-65, var_1_15=0, var_1_16=0, var_1_17=2, var_1_18=2, var_1_1=-64, var_1_21=-2, var_1_24=0, var_1_25=0, var_1_26=-65, var_1_27=1, var_1_31=1, var_1_32=1, var_1_33=1, var_1_39=2, var_1_41=-65, var_1_44=2, var_1_45=64, var_1_46=127, var_1_47=127, var_1_48=2, var_1_51=0, var_1_52=8, var_1_55=3, var_1_56=-1, var_1_5=0, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=-65] [L19] reach_error() VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_13=64, last_1_var_1_15=1, last_1_var_1_1=-64, last_1_var_1_26=-5, var_1_11=-65, var_1_12=3, var_1_13=-65, var_1_15=0, var_1_16=0, var_1_17=2, var_1_18=2, var_1_1=-64, var_1_21=-2, var_1_24=0, var_1_25=0, var_1_26=-65, var_1_27=1, var_1_31=1, var_1_32=1, var_1_33=1, var_1_39=2, var_1_41=-65, var_1_44=2, var_1_45=64, var_1_46=127, var_1_47=127, var_1_48=2, var_1_51=0, var_1_52=8, var_1_55=3, var_1_56=-1, var_1_5=0, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=-65] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 59 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.2s, OverallIterations: 1, TraceHistogramMax: 32, 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=59occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 118 NumberOfCodeBlocks, 118 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 00:02:52,920 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f119e1f-bba8-43f0-b7e0-ea876d9c659f/bin/utaipan-verify-SwPr7d2a91/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f119e1f-bba8-43f0-b7e0-ea876d9c659f/bin/utaipan-verify-SwPr7d2a91/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f119e1f-bba8-43f0-b7e0-ea876d9c659f/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_8f119e1f-bba8-43f0-b7e0-ea876d9c659f/bin/utaipan-verify-SwPr7d2a91/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f119e1f-bba8-43f0-b7e0-ea876d9c659f/bin/utaipan-verify-SwPr7d2a91/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-ci_file-91.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f119e1f-bba8-43f0-b7e0-ea876d9c659f/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_8f119e1f-bba8-43f0-b7e0-ea876d9c659f/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 9916bc30af46c6a2006e6c412aab0ec415cd340340da4b6958a1b37a130125d6 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-25 00:02:55,479 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-25 00:02:55,606 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f119e1f-bba8-43f0-b7e0-ea876d9c659f/bin/utaipan-verify-SwPr7d2a91/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2023-11-25 00:02:55,617 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-25 00:02:55,618 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-25 00:02:55,668 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-25 00:02:55,669 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-25 00:02:55,670 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-25 00:02:55,673 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-25 00:02:55,678 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-25 00:02:55,679 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-25 00:02:55,679 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-25 00:02:55,680 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-25 00:02:55,681 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-25 00:02:55,682 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-25 00:02:55,682 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-25 00:02:55,683 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-25 00:02:55,684 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-25 00:02:55,684 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-25 00:02:55,685 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-25 00:02:55,685 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-25 00:02:55,686 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-25 00:02:55,686 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-25 00:02:55,687 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-25 00:02:55,687 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-25 00:02:55,688 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-25 00:02:55,688 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-25 00:02:55,688 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-25 00:02:55,689 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-25 00:02:55,689 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-25 00:02:55,691 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-25 00:02:55,691 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-25 00:02:55,691 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-25 00:02:55,692 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-25 00:02:55,693 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-25 00:02:55,693 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-25 00:02:55,693 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-25 00:02:55,693 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-25 00:02:55,694 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-25 00:02:55,695 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-25 00:02:55,695 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-25 00:02:55,696 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-25 00:02:55,696 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-25 00:02:55,698 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-25 00:02:55,699 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_8f119e1f-bba8-43f0-b7e0-ea876d9c659f/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f119e1f-bba8-43f0-b7e0-ea876d9c659f/bin/utaipan-verify-SwPr7d2a91 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9916bc30af46c6a2006e6c412aab0ec415cd340340da4b6958a1b37a130125d6 [2023-11-25 00:02:56,099 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-25 00:02:56,124 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-25 00:02:56,127 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-25 00:02:56,128 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-25 00:02:56,132 INFO L274 PluginConnector]: CDTParser initialized [2023-11-25 00:02:56,133 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f119e1f-bba8-43f0-b7e0-ea876d9c659f/bin/utaipan-verify-SwPr7d2a91/../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-ci_file-91.i [2023-11-25 00:02:59,675 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-25 00:03:00,028 INFO L384 CDTParser]: Found 1 translation units. [2023-11-25 00:03:00,029 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f119e1f-bba8-43f0-b7e0-ea876d9c659f/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-ci_file-91.i [2023-11-25 00:03:00,040 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f119e1f-bba8-43f0-b7e0-ea876d9c659f/bin/utaipan-verify-SwPr7d2a91/data/cfceae68c/391c60dfa61249128b9fb833b9b48151/FLAG364392069 [2023-11-25 00:03:00,058 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f119e1f-bba8-43f0-b7e0-ea876d9c659f/bin/utaipan-verify-SwPr7d2a91/data/cfceae68c/391c60dfa61249128b9fb833b9b48151 [2023-11-25 00:03:00,066 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-25 00:03:00,069 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-25 00:03:00,075 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-25 00:03:00,076 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-25 00:03:00,082 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-25 00:03:00,082 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 12:03:00" (1/1) ... [2023-11-25 00:03:00,084 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@270b0e05 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:03:00, skipping insertion in model container [2023-11-25 00:03:00,084 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 12:03:00" (1/1) ... [2023-11-25 00:03:00,142 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-25 00:03:00,356 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_8f119e1f-bba8-43f0-b7e0-ea876d9c659f/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-ci_file-91.i[919,932] [2023-11-25 00:03:00,494 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-25 00:03:00,536 INFO L202 MainTranslator]: Completed pre-run [2023-11-25 00:03:00,561 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_8f119e1f-bba8-43f0-b7e0-ea876d9c659f/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-ci_file-91.i[919,932] [2023-11-25 00:03:00,663 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-25 00:03:00,686 INFO L206 MainTranslator]: Completed translation [2023-11-25 00:03:00,687 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:03:00 WrapperNode [2023-11-25 00:03:00,687 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-25 00:03:00,689 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-25 00:03:00,689 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-25 00:03:00,689 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-25 00:03:00,698 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:03:00" (1/1) ... [2023-11-25 00:03:00,731 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:03:00" (1/1) ... [2023-11-25 00:03:00,792 INFO L138 Inliner]: procedures = 27, calls = 45, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 212 [2023-11-25 00:03:00,795 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-25 00:03:00,796 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-25 00:03:00,796 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-25 00:03:00,797 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-25 00:03:00,808 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:03:00" (1/1) ... [2023-11-25 00:03:00,809 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:03:00" (1/1) ... [2023-11-25 00:03:00,828 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:03:00" (1/1) ... [2023-11-25 00:03:00,831 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:03:00" (1/1) ... [2023-11-25 00:03:00,854 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:03:00" (1/1) ... [2023-11-25 00:03:00,872 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:03:00" (1/1) ... [2023-11-25 00:03:00,891 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:03:00" (1/1) ... [2023-11-25 00:03:00,894 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:03:00" (1/1) ... [2023-11-25 00:03:00,900 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-25 00:03:00,901 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-25 00:03:00,901 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-25 00:03:00,912 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-25 00:03:00,913 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:03:00" (1/1) ... [2023-11-25 00:03:00,920 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-25 00:03:00,934 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f119e1f-bba8-43f0-b7e0-ea876d9c659f/bin/utaipan-verify-SwPr7d2a91/z3 [2023-11-25 00:03:00,955 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f119e1f-bba8-43f0-b7e0-ea876d9c659f/bin/utaipan-verify-SwPr7d2a91/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-25 00:03:00,983 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f119e1f-bba8-43f0-b7e0-ea876d9c659f/bin/utaipan-verify-SwPr7d2a91/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-25 00:03:01,009 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-25 00:03:01,009 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-25 00:03:01,010 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-25 00:03:01,010 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-25 00:03:01,010 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-25 00:03:01,011 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-25 00:03:01,128 INFO L241 CfgBuilder]: Building ICFG [2023-11-25 00:03:01,131 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-25 00:03:06,332 INFO L282 CfgBuilder]: Performing block encoding [2023-11-25 00:03:06,384 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-25 00:03:06,385 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-25 00:03:06,385 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 12:03:06 BoogieIcfgContainer [2023-11-25 00:03:06,386 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-25 00:03:06,389 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-25 00:03:06,389 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-25 00:03:06,392 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-25 00:03:06,392 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.11 12:03:00" (1/3) ... [2023-11-25 00:03:06,393 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@62e94948 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 12:03:06, skipping insertion in model container [2023-11-25 00:03:06,393 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:03:00" (2/3) ... [2023-11-25 00:03:06,394 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@62e94948 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 12:03:06, skipping insertion in model container [2023-11-25 00:03:06,394 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 12:03:06" (3/3) ... [2023-11-25 00:03:06,395 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodestructure_filler-pr-ci_file-91.i [2023-11-25 00:03:06,415 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-25 00:03:06,415 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-25 00:03:06,467 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-25 00:03:06,474 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;@4e1a6007, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-25 00:03:06,474 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-25 00:03:06,479 INFO L276 IsEmpty]: Start isEmpty. Operand has 88 states, 53 states have (on average 1.4339622641509433) internal successors, (76), 54 states have internal predecessors, (76), 32 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 32 states have call predecessors, (32), 32 states have call successors, (32) [2023-11-25 00:03:06,498 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 204 [2023-11-25 00:03:06,499 INFO L187 NwaCegarLoop]: Found error trace [2023-11-25 00:03:06,499 INFO L195 NwaCegarLoop]: trace histogram [32, 32, 32, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 00:03:06,500 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-25 00:03:06,505 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-25 00:03:06,506 INFO L85 PathProgramCache]: Analyzing trace with hash 217598109, now seen corresponding path program 1 times [2023-11-25 00:03:06,519 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-25 00:03:06,520 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1675014441] [2023-11-25 00:03:06,520 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-25 00:03:06,520 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 00:03:06,521 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f119e1f-bba8-43f0-b7e0-ea876d9c659f/bin/utaipan-verify-SwPr7d2a91/mathsat [2023-11-25 00:03:06,523 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f119e1f-bba8-43f0-b7e0-ea876d9c659f/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 00:03:06,533 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f119e1f-bba8-43f0-b7e0-ea876d9c659f/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 00:03:07,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-25 00:03:07,249 INFO L262 TraceCheckSpWp]: Trace formula consists of 340 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-25 00:03:07,276 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-25 00:03:07,372 INFO L134 CoverageAnalysis]: Checked inductivity of 1984 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1984 trivial. 0 not checked. [2023-11-25 00:03:07,389 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-25 00:03:07,390 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-25 00:03:07,390 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1675014441] [2023-11-25 00:03:07,391 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1675014441] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-25 00:03:07,391 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-25 00:03:07,391 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-25 00:03:07,393 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1827778952] [2023-11-25 00:03:07,394 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-25 00:03:07,401 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-25 00:03:07,411 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-25 00:03:07,452 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-25 00:03:07,453 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-25 00:03:07,456 INFO L87 Difference]: Start difference. First operand has 88 states, 53 states have (on average 1.4339622641509433) internal successors, (76), 54 states have internal predecessors, (76), 32 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 32 states have call predecessors, (32), 32 states have call successors, (32) Second operand has 2 states, 2 states have (on average 23.0) internal successors, (46), 2 states have internal predecessors, (46), 1 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) [2023-11-25 00:03:07,695 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-25 00:03:07,695 INFO L93 Difference]: Finished difference Result 173 states and 310 transitions. [2023-11-25 00:03:07,708 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-25 00:03:07,709 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 23.0) internal successors, (46), 2 states have internal predecessors, (46), 1 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) Word has length 203 [2023-11-25 00:03:07,710 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-25 00:03:07,719 INFO L225 Difference]: With dead ends: 173 [2023-11-25 00:03:07,720 INFO L226 Difference]: Without dead ends: 86 [2023-11-25 00:03:07,725 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 202 GetRequests, 202 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 00:03:07,730 INFO L413 NwaCegarLoop]: 131 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 131 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-25 00:03:07,731 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 131 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-25 00:03:07,749 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 86 states. [2023-11-25 00:03:07,780 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 86 to 86. [2023-11-25 00:03:07,782 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 86 states, 52 states have (on average 1.3461538461538463) internal successors, (70), 52 states have internal predecessors, (70), 32 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 32 states have call predecessors, (32), 32 states have call successors, (32) [2023-11-25 00:03:07,784 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 86 states and 134 transitions. [2023-11-25 00:03:07,786 INFO L78 Accepts]: Start accepts. Automaton has 86 states and 134 transitions. Word has length 203 [2023-11-25 00:03:07,787 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-25 00:03:07,787 INFO L495 AbstractCegarLoop]: Abstraction has 86 states and 134 transitions. [2023-11-25 00:03:07,788 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 23.0) internal successors, (46), 2 states have internal predecessors, (46), 1 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) [2023-11-25 00:03:07,788 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 134 transitions. [2023-11-25 00:03:07,794 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 205 [2023-11-25 00:03:07,794 INFO L187 NwaCegarLoop]: Found error trace [2023-11-25 00:03:07,795 INFO L195 NwaCegarLoop]: trace histogram [32, 32, 32, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 00:03:07,816 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f119e1f-bba8-43f0-b7e0-ea876d9c659f/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 00:03:08,010 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f119e1f-bba8-43f0-b7e0-ea876d9c659f/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 00:03:08,011 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-25 00:03:08,012 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-25 00:03:08,012 INFO L85 PathProgramCache]: Analyzing trace with hash 920944474, now seen corresponding path program 1 times [2023-11-25 00:03:08,013 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-25 00:03:08,013 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [321319021] [2023-11-25 00:03:08,014 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-25 00:03:08,014 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 00:03:08,014 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f119e1f-bba8-43f0-b7e0-ea876d9c659f/bin/utaipan-verify-SwPr7d2a91/mathsat [2023-11-25 00:03:08,016 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f119e1f-bba8-43f0-b7e0-ea876d9c659f/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 00:03:08,048 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f119e1f-bba8-43f0-b7e0-ea876d9c659f/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 00:03:08,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-25 00:03:08,793 INFO L262 TraceCheckSpWp]: Trace formula consists of 342 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-25 00:03:08,804 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-25 00:03:09,547 INFO L134 CoverageAnalysis]: Checked inductivity of 1984 backedges. 981 proven. 36 refuted. 0 times theorem prover too weak. 967 trivial. 0 not checked. [2023-11-25 00:03:09,547 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-25 00:03:10,120 INFO L134 CoverageAnalysis]: Checked inductivity of 1984 backedges. 57 proven. 36 refuted. 0 times theorem prover too weak. 1891 trivial. 0 not checked. [2023-11-25 00:03:10,121 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-25 00:03:10,121 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [321319021] [2023-11-25 00:03:10,121 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [321319021] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-25 00:03:10,121 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1883951833] [2023-11-25 00:03:10,122 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-25 00:03:10,122 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-25 00:03:10,122 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f119e1f-bba8-43f0-b7e0-ea876d9c659f/bin/utaipan-verify-SwPr7d2a91/cvc4 [2023-11-25 00:03:10,125 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f119e1f-bba8-43f0-b7e0-ea876d9c659f/bin/utaipan-verify-SwPr7d2a91/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-25 00:03:10,145 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f119e1f-bba8-43f0-b7e0-ea876d9c659f/bin/utaipan-verify-SwPr7d2a91/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2023-11-25 00:03:10,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-25 00:03:10,691 INFO L262 TraceCheckSpWp]: Trace formula consists of 342 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-25 00:03:10,697 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-25 00:03:10,765 INFO L134 CoverageAnalysis]: Checked inductivity of 1984 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1984 trivial. 0 not checked. [2023-11-25 00:03:10,765 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-25 00:03:10,766 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1883951833] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-25 00:03:10,766 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2023-11-25 00:03:10,766 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5, 5] total 8 [2023-11-25 00:03:10,767 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [953914805] [2023-11-25 00:03:10,768 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-25 00:03:10,769 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-25 00:03:10,769 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-25 00:03:10,774 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-25 00:03:10,774 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2023-11-25 00:03:10,775 INFO L87 Difference]: Start difference. First operand 86 states and 134 transitions. Second operand has 3 states, 3 states have (on average 15.666666666666666) internal successors, (47), 3 states have internal predecessors, (47), 1 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) [2023-11-25 00:03:11,468 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-25 00:03:11,468 INFO L93 Difference]: Finished difference Result 250 states and 389 transitions. [2023-11-25 00:03:11,469 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-25 00:03:11,469 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 15.666666666666666) internal successors, (47), 3 states have internal predecessors, (47), 1 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) Word has length 204 [2023-11-25 00:03:11,472 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-25 00:03:11,476 INFO L225 Difference]: With dead ends: 250 [2023-11-25 00:03:11,476 INFO L226 Difference]: Without dead ends: 165 [2023-11-25 00:03:11,478 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 609 GetRequests, 602 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2023-11-25 00:03:11,484 INFO L413 NwaCegarLoop]: 245 mSDtfsCounter, 119 mSDsluCounter, 120 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 119 SdHoareTripleChecker+Valid, 365 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2023-11-25 00:03:11,486 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [119 Valid, 365 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2023-11-25 00:03:11,490 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 165 states. [2023-11-25 00:03:11,570 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 165 to 159. [2023-11-25 00:03:11,574 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 159 states, 92 states have (on average 1.2826086956521738) internal successors, (118), 92 states have internal predecessors, (118), 64 states have call successors, (64), 2 states have call predecessors, (64), 2 states have return successors, (64), 64 states have call predecessors, (64), 64 states have call successors, (64) [2023-11-25 00:03:11,581 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159 states to 159 states and 246 transitions. [2023-11-25 00:03:11,581 INFO L78 Accepts]: Start accepts. Automaton has 159 states and 246 transitions. Word has length 204 [2023-11-25 00:03:11,586 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-25 00:03:11,587 INFO L495 AbstractCegarLoop]: Abstraction has 159 states and 246 transitions. [2023-11-25 00:03:11,587 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 15.666666666666666) internal successors, (47), 3 states have internal predecessors, (47), 1 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) [2023-11-25 00:03:11,587 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 246 transitions. [2023-11-25 00:03:11,602 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 206 [2023-11-25 00:03:11,603 INFO L187 NwaCegarLoop]: Found error trace [2023-11-25 00:03:11,604 INFO L195 NwaCegarLoop]: trace histogram [32, 32, 32, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 00:03:11,624 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f119e1f-bba8-43f0-b7e0-ea876d9c659f/bin/utaipan-verify-SwPr7d2a91/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2023-11-25 00:03:11,823 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f119e1f-bba8-43f0-b7e0-ea876d9c659f/bin/utaipan-verify-SwPr7d2a91/cvc4 --incremental --print-success --lang smt (4)] Forceful destruction successful, exit code 0 [2023-11-25 00:03:12,020 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f119e1f-bba8-43f0-b7e0-ea876d9c659f/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 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f119e1f-bba8-43f0-b7e0-ea876d9c659f/bin/utaipan-verify-SwPr7d2a91/cvc4 --incremental --print-success --lang smt [2023-11-25 00:03:12,021 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-25 00:03:12,021 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-25 00:03:12,022 INFO L85 PathProgramCache]: Analyzing trace with hash 2113545128, now seen corresponding path program 1 times [2023-11-25 00:03:12,023 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-25 00:03:12,023 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1612320984] [2023-11-25 00:03:12,023 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-25 00:03:12,024 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 00:03:12,024 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f119e1f-bba8-43f0-b7e0-ea876d9c659f/bin/utaipan-verify-SwPr7d2a91/mathsat [2023-11-25 00:03:12,027 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f119e1f-bba8-43f0-b7e0-ea876d9c659f/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 00:03:12,033 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f119e1f-bba8-43f0-b7e0-ea876d9c659f/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 00:03:12,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-25 00:03:12,730 INFO L262 TraceCheckSpWp]: Trace formula consists of 343 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-25 00:03:12,738 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-25 00:03:13,456 INFO L134 CoverageAnalysis]: Checked inductivity of 1984 backedges. 981 proven. 36 refuted. 0 times theorem prover too weak. 967 trivial. 0 not checked. [2023-11-25 00:03:13,457 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-25 00:03:14,120 INFO L134 CoverageAnalysis]: Checked inductivity of 1984 backedges. 57 proven. 36 refuted. 0 times theorem prover too weak. 1891 trivial. 0 not checked. [2023-11-25 00:03:14,121 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-25 00:03:14,124 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1612320984] [2023-11-25 00:03:14,124 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1612320984] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-25 00:03:14,125 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [172590323] [2023-11-25 00:03:14,125 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-25 00:03:14,125 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-25 00:03:14,126 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f119e1f-bba8-43f0-b7e0-ea876d9c659f/bin/utaipan-verify-SwPr7d2a91/cvc4 [2023-11-25 00:03:14,127 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f119e1f-bba8-43f0-b7e0-ea876d9c659f/bin/utaipan-verify-SwPr7d2a91/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-25 00:03:14,156 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f119e1f-bba8-43f0-b7e0-ea876d9c659f/bin/utaipan-verify-SwPr7d2a91/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2023-11-25 00:03:15,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-25 00:03:15,565 INFO L262 TraceCheckSpWp]: Trace formula consists of 343 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-25 00:03:15,571 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-25 00:03:16,090 INFO L134 CoverageAnalysis]: Checked inductivity of 1984 backedges. 981 proven. 36 refuted. 0 times theorem prover too weak. 967 trivial. 0 not checked. [2023-11-25 00:03:16,091 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-25 00:03:16,603 INFO L134 CoverageAnalysis]: Checked inductivity of 1984 backedges. 57 proven. 36 refuted. 0 times theorem prover too weak. 1891 trivial. 0 not checked. [2023-11-25 00:03:16,604 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [172590323] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-25 00:03:16,604 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1221362402] [2023-11-25 00:03:16,604 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-25 00:03:16,605 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-25 00:03:16,605 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f119e1f-bba8-43f0-b7e0-ea876d9c659f/bin/utaipan-verify-SwPr7d2a91/z3 [2023-11-25 00:03:16,609 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f119e1f-bba8-43f0-b7e0-ea876d9c659f/bin/utaipan-verify-SwPr7d2a91/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-25 00:03:16,636 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f119e1f-bba8-43f0-b7e0-ea876d9c659f/bin/utaipan-verify-SwPr7d2a91/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2023-11-25 00:03:17,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-25 00:03:17,349 INFO L262 TraceCheckSpWp]: Trace formula consists of 343 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-25 00:03:17,354 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-25 00:03:17,971 INFO L134 CoverageAnalysis]: Checked inductivity of 1984 backedges. 981 proven. 36 refuted. 0 times theorem prover too weak. 967 trivial. 0 not checked. [2023-11-25 00:03:17,971 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-25 00:03:18,468 INFO L134 CoverageAnalysis]: Checked inductivity of 1984 backedges. 57 proven. 36 refuted. 0 times theorem prover too weak. 1891 trivial. 0 not checked. [2023-11-25 00:03:18,469 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1221362402] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-25 00:03:18,469 INFO L185 FreeRefinementEngine]: Found 0 perfect and 6 imperfect interpolant sequences. [2023-11-25 00:03:18,469 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5, 5, 5, 5] total 7 [2023-11-25 00:03:18,470 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1869420566] [2023-11-25 00:03:18,470 INFO L85 oduleStraightlineAll]: Using 6 imperfect interpolants to construct interpolant automaton [2023-11-25 00:03:18,472 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-25 00:03:18,474 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-25 00:03:18,475 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-25 00:03:18,476 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2023-11-25 00:03:18,477 INFO L87 Difference]: Start difference. First operand 159 states and 246 transitions. Second operand has 7 states, 7 states have (on average 8.142857142857142) internal successors, (57), 7 states have internal predecessors, (57), 2 states have call successors, (44), 2 states have call predecessors, (44), 4 states have return successors, (45), 2 states have call predecessors, (45), 2 states have call successors, (45) [2023-11-25 00:03:19,682 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-25 00:03:19,682 INFO L93 Difference]: Finished difference Result 333 states and 505 transitions. [2023-11-25 00:03:19,694 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-11-25 00:03:19,694 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 8.142857142857142) internal successors, (57), 7 states have internal predecessors, (57), 2 states have call successors, (44), 2 states have call predecessors, (44), 4 states have return successors, (45), 2 states have call predecessors, (45), 2 states have call successors, (45) Word has length 205 [2023-11-25 00:03:19,695 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-25 00:03:19,697 INFO L225 Difference]: With dead ends: 333 [2023-11-25 00:03:19,697 INFO L226 Difference]: Without dead ends: 175 [2023-11-25 00:03:19,699 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1228 GetRequests, 1216 SyntacticMatches, 3 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=45, Invalid=65, Unknown=0, NotChecked=0, Total=110 [2023-11-25 00:03:19,700 INFO L413 NwaCegarLoop]: 94 mSDtfsCounter, 163 mSDsluCounter, 119 mSDsCounter, 0 mSdLazyCounter, 179 mSolverCounterSat, 79 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 181 SdHoareTripleChecker+Valid, 213 SdHoareTripleChecker+Invalid, 258 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 79 IncrementalHoareTripleChecker+Valid, 179 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2023-11-25 00:03:19,701 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [181 Valid, 213 Invalid, 258 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [79 Valid, 179 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2023-11-25 00:03:19,702 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 175 states. [2023-11-25 00:03:19,733 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 175 to 167. [2023-11-25 00:03:19,733 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 167 states, 98 states have (on average 1.2551020408163265) internal successors, (123), 98 states have internal predecessors, (123), 64 states have call successors, (64), 4 states have call predecessors, (64), 4 states have return successors, (64), 64 states have call predecessors, (64), 64 states have call successors, (64) [2023-11-25 00:03:19,736 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 167 states to 167 states and 251 transitions. [2023-11-25 00:03:19,736 INFO L78 Accepts]: Start accepts. Automaton has 167 states and 251 transitions. Word has length 205 [2023-11-25 00:03:19,737 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-25 00:03:19,737 INFO L495 AbstractCegarLoop]: Abstraction has 167 states and 251 transitions. [2023-11-25 00:03:19,740 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 8.142857142857142) internal successors, (57), 7 states have internal predecessors, (57), 2 states have call successors, (44), 2 states have call predecessors, (44), 4 states have return successors, (45), 2 states have call predecessors, (45), 2 states have call successors, (45) [2023-11-25 00:03:19,741 INFO L276 IsEmpty]: Start isEmpty. Operand 167 states and 251 transitions. [2023-11-25 00:03:19,744 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 206 [2023-11-25 00:03:19,744 INFO L187 NwaCegarLoop]: Found error trace [2023-11-25 00:03:19,744 INFO L195 NwaCegarLoop]: trace histogram [32, 32, 32, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 00:03:19,789 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f119e1f-bba8-43f0-b7e0-ea876d9c659f/bin/utaipan-verify-SwPr7d2a91/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2023-11-25 00:03:19,951 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f119e1f-bba8-43f0-b7e0-ea876d9c659f/bin/utaipan-verify-SwPr7d2a91/cvc4 --incremental --print-success --lang smt (6)] Forceful destruction successful, exit code 0 [2023-11-25 00:03:20,155 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f119e1f-bba8-43f0-b7e0-ea876d9c659f/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 00:03:20,345 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f119e1f-bba8-43f0-b7e0-ea876d9c659f/bin/utaipan-verify-SwPr7d2a91/z3 -smt2 -in SMTLIB2_COMPLIANT=true,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f119e1f-bba8-43f0-b7e0-ea876d9c659f/bin/utaipan-verify-SwPr7d2a91/cvc4 --incremental --print-success --lang smt,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f119e1f-bba8-43f0-b7e0-ea876d9c659f/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 00:03:20,345 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-25 00:03:20,346 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-25 00:03:20,346 INFO L85 PathProgramCache]: Analyzing trace with hash 833681450, now seen corresponding path program 1 times [2023-11-25 00:03:20,347 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-25 00:03:20,347 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1234365222] [2023-11-25 00:03:20,347 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-25 00:03:20,347 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 00:03:20,347 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f119e1f-bba8-43f0-b7e0-ea876d9c659f/bin/utaipan-verify-SwPr7d2a91/mathsat [2023-11-25 00:03:20,348 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f119e1f-bba8-43f0-b7e0-ea876d9c659f/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 00:03:20,350 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f119e1f-bba8-43f0-b7e0-ea876d9c659f/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 00:03:20,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-25 00:03:20,964 INFO L262 TraceCheckSpWp]: Trace formula consists of 342 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-25 00:03:20,979 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-25 00:03:21,625 INFO L134 CoverageAnalysis]: Checked inductivity of 1984 backedges. 981 proven. 36 refuted. 0 times theorem prover too weak. 967 trivial. 0 not checked. [2023-11-25 00:03:21,625 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-25 00:03:22,237 INFO L134 CoverageAnalysis]: Checked inductivity of 1984 backedges. 57 proven. 36 refuted. 0 times theorem prover too weak. 1891 trivial. 0 not checked. [2023-11-25 00:03:22,237 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-25 00:03:22,237 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1234365222] [2023-11-25 00:03:22,238 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1234365222] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-25 00:03:22,238 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1169258614] [2023-11-25 00:03:22,238 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-25 00:03:22,239 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-25 00:03:22,239 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f119e1f-bba8-43f0-b7e0-ea876d9c659f/bin/utaipan-verify-SwPr7d2a91/cvc4 [2023-11-25 00:03:22,241 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f119e1f-bba8-43f0-b7e0-ea876d9c659f/bin/utaipan-verify-SwPr7d2a91/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-25 00:03:22,272 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f119e1f-bba8-43f0-b7e0-ea876d9c659f/bin/utaipan-verify-SwPr7d2a91/cvc4 --incremental --print-success --lang smt (9)] Waiting until timeout for monitored process [2023-11-25 00:03:22,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-25 00:03:22,799 INFO L262 TraceCheckSpWp]: Trace formula consists of 342 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-25 00:03:22,803 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-25 00:03:22,889 INFO L134 CoverageAnalysis]: Checked inductivity of 1984 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1984 trivial. 0 not checked. [2023-11-25 00:03:22,889 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-25 00:03:22,890 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1169258614] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-25 00:03:22,890 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2023-11-25 00:03:22,890 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [6, 6] total 8 [2023-11-25 00:03:22,890 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1140220564] [2023-11-25 00:03:22,891 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-25 00:03:22,892 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-25 00:03:22,892 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-25 00:03:22,893 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-25 00:03:22,893 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2023-11-25 00:03:22,893 INFO L87 Difference]: Start difference. First operand 167 states and 251 transitions. Second operand has 4 states, 4 states have (on average 12.0) internal successors, (48), 4 states have internal predecessors, (48), 1 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) [2023-11-25 00:03:23,540 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-25 00:03:23,540 INFO L93 Difference]: Finished difference Result 337 states and 501 transitions. [2023-11-25 00:03:23,541 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-25 00:03:23,541 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 12.0) internal successors, (48), 4 states have internal predecessors, (48), 1 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) Word has length 205 [2023-11-25 00:03:23,542 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-25 00:03:23,545 INFO L225 Difference]: With dead ends: 337 [2023-11-25 00:03:23,545 INFO L226 Difference]: Without dead ends: 171 [2023-11-25 00:03:23,546 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 614 GetRequests, 605 SyntacticMatches, 2 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2023-11-25 00:03:23,548 INFO L413 NwaCegarLoop]: 229 mSDtfsCounter, 157 mSDsluCounter, 216 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 39 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 157 SdHoareTripleChecker+Valid, 445 SdHoareTripleChecker+Invalid, 60 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 39 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2023-11-25 00:03:23,549 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [157 Valid, 445 Invalid, 60 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [39 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2023-11-25 00:03:23,550 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 171 states. [2023-11-25 00:03:23,572 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 171 to 167. [2023-11-25 00:03:23,573 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 167 states, 96 states have (on average 1.2083333333333333) internal successors, (116), 96 states have internal predecessors, (116), 64 states have call successors, (64), 6 states have call predecessors, (64), 6 states have return successors, (64), 64 states have call predecessors, (64), 64 states have call successors, (64) [2023-11-25 00:03:23,575 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 167 states to 167 states and 244 transitions. [2023-11-25 00:03:23,576 INFO L78 Accepts]: Start accepts. Automaton has 167 states and 244 transitions. Word has length 205 [2023-11-25 00:03:23,577 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-25 00:03:23,577 INFO L495 AbstractCegarLoop]: Abstraction has 167 states and 244 transitions. [2023-11-25 00:03:23,578 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.0) internal successors, (48), 4 states have internal predecessors, (48), 1 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) [2023-11-25 00:03:23,578 INFO L276 IsEmpty]: Start isEmpty. Operand 167 states and 244 transitions. [2023-11-25 00:03:23,582 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 206 [2023-11-25 00:03:23,582 INFO L187 NwaCegarLoop]: Found error trace [2023-11-25 00:03:23,583 INFO L195 NwaCegarLoop]: trace histogram [32, 32, 32, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 00:03:23,594 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f119e1f-bba8-43f0-b7e0-ea876d9c659f/bin/utaipan-verify-SwPr7d2a91/cvc4 --incremental --print-success --lang smt (9)] Forceful destruction successful, exit code 0 [2023-11-25 00:03:23,799 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f119e1f-bba8-43f0-b7e0-ea876d9c659f/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 00:03:23,987 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f119e1f-bba8-43f0-b7e0-ea876d9c659f/bin/utaipan-verify-SwPr7d2a91/cvc4 --incremental --print-success --lang smt,8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f119e1f-bba8-43f0-b7e0-ea876d9c659f/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 00:03:23,988 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-25 00:03:23,988 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-25 00:03:23,988 INFO L85 PathProgramCache]: Analyzing trace with hash -1140585045, now seen corresponding path program 1 times [2023-11-25 00:03:23,989 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-25 00:03:23,990 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [640918788] [2023-11-25 00:03:23,990 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-25 00:03:23,990 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 00:03:23,991 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f119e1f-bba8-43f0-b7e0-ea876d9c659f/bin/utaipan-verify-SwPr7d2a91/mathsat [2023-11-25 00:03:23,992 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f119e1f-bba8-43f0-b7e0-ea876d9c659f/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 00:03:23,996 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f119e1f-bba8-43f0-b7e0-ea876d9c659f/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 00:03:24,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-25 00:03:24,841 INFO L262 TraceCheckSpWp]: Trace formula consists of 342 conjuncts, 24 conjunts are in the unsatisfiable core [2023-11-25 00:03:24,862 INFO L285 TraceCheckSpWp]: Computing forward predicates...