./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-cn_file-30.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_c31e2de0-f739-4e33-9424-f9db1a24b574/bin/utaipan-verify-nQ1chXbOIh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c31e2de0-f739-4e33-9424-f9db1a24b574/bin/utaipan-verify-nQ1chXbOIh/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c31e2de0-f739-4e33-9424-f9db1a24b574/bin/utaipan-verify-nQ1chXbOIh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c31e2de0-f739-4e33-9424-f9db1a24b574/bin/utaipan-verify-nQ1chXbOIh/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-cn_file-30.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c31e2de0-f739-4e33-9424-f9db1a24b574/bin/utaipan-verify-nQ1chXbOIh/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c31e2de0-f739-4e33-9424-f9db1a24b574/bin/utaipan-verify-nQ1chXbOIh --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 efacc300cffec53724bdb282b9ebc4b6ca0f4c8a44ef6f260f07e3dddedde474 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 16:42:28,962 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 16:42:29,022 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c31e2de0-f739-4e33-9424-f9db1a24b574/bin/utaipan-verify-nQ1chXbOIh/config/svcomp-Reach-32bit-Taipan_Default.epf [2023-12-02 16:42:29,026 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-02 16:42:29,026 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-02 16:42:29,048 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 16:42:29,049 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-02 16:42:29,049 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-02 16:42:29,050 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 16:42:29,050 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-02 16:42:29,051 INFO L153 SettingsManager]: * User list type=DISABLED [2023-12-02 16:42:29,052 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-12-02 16:42:29,052 INFO L153 SettingsManager]: * Explicit value domain=true [2023-12-02 16:42:29,053 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-12-02 16:42:29,053 INFO L153 SettingsManager]: * Octagon Domain=false [2023-12-02 16:42:29,054 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-12-02 16:42:29,054 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-12-02 16:42:29,055 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-12-02 16:42:29,055 INFO L153 SettingsManager]: * Interval Domain=false [2023-12-02 16:42:29,056 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-12-02 16:42:29,056 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-12-02 16:42:29,060 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-12-02 16:42:29,061 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 16:42:29,061 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 16:42:29,061 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-02 16:42:29,062 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-02 16:42:29,062 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-02 16:42:29,062 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 16:42:29,063 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 16:42:29,063 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 16:42:29,064 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 16:42:29,064 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-02 16:42:29,064 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 16:42:29,064 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 16:42:29,065 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 16:42:29,065 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-02 16:42:29,065 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-02 16:42:29,065 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 16:42:29,065 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 16:42:29,066 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 16:42:29,066 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 16:42:29,066 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-12-02 16:42:29,066 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-02 16:42:29,067 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-02 16:42:29,067 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 16:42:29,067 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-12-02 16:42:29,067 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-02 16:42:29,067 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_c31e2de0-f739-4e33-9424-f9db1a24b574/bin/utaipan-verify-nQ1chXbOIh/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c31e2de0-f739-4e33-9424-f9db1a24b574/bin/utaipan-verify-nQ1chXbOIh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> efacc300cffec53724bdb282b9ebc4b6ca0f4c8a44ef6f260f07e3dddedde474 [2023-12-02 16:42:29,288 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 16:42:29,309 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 16:42:29,312 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 16:42:29,313 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 16:42:29,314 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 16:42:29,315 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c31e2de0-f739-4e33-9424-f9db1a24b574/bin/utaipan-verify-nQ1chXbOIh/../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-cn_file-30.i [2023-12-02 16:42:32,047 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 16:42:32,226 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 16:42:32,227 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c31e2de0-f739-4e33-9424-f9db1a24b574/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-cn_file-30.i [2023-12-02 16:42:32,237 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c31e2de0-f739-4e33-9424-f9db1a24b574/bin/utaipan-verify-nQ1chXbOIh/data/2be999483/4ab00bcde40843f6b4382cbae9a8748e/FLAG31a3f7ec9 [2023-12-02 16:42:32,251 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c31e2de0-f739-4e33-9424-f9db1a24b574/bin/utaipan-verify-nQ1chXbOIh/data/2be999483/4ab00bcde40843f6b4382cbae9a8748e [2023-12-02 16:42:32,253 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 16:42:32,254 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 16:42:32,256 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 16:42:32,256 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 16:42:32,260 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 16:42:32,261 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 04:42:32" (1/1) ... [2023-12-02 16:42:32,262 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@264a3942 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:42:32, skipping insertion in model container [2023-12-02 16:42:32,262 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 04:42:32" (1/1) ... [2023-12-02 16:42:32,295 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 16:42:32,418 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_c31e2de0-f739-4e33-9424-f9db1a24b574/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-cn_file-30.i[919,932] [2023-12-02 16:42:32,483 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 16:42:32,494 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 16:42:32,506 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_c31e2de0-f739-4e33-9424-f9db1a24b574/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-cn_file-30.i[919,932] [2023-12-02 16:42:32,540 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 16:42:32,558 INFO L206 MainTranslator]: Completed translation [2023-12-02 16:42:32,558 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:42:32 WrapperNode [2023-12-02 16:42:32,558 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 16:42:32,559 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 16:42:32,560 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 16:42:32,560 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 16:42:32,567 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:42:32" (1/1) ... [2023-12-02 16:42:32,576 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:42:32" (1/1) ... [2023-12-02 16:42:32,610 INFO L138 Inliner]: procedures = 26, calls = 46, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 258 [2023-12-02 16:42:32,611 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 16:42:32,611 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 16:42:32,611 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 16:42:32,612 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 16:42:32,618 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:42:32" (1/1) ... [2023-12-02 16:42:32,619 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:42:32" (1/1) ... [2023-12-02 16:42:32,622 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:42:32" (1/1) ... [2023-12-02 16:42:32,622 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:42:32" (1/1) ... [2023-12-02 16:42:32,630 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:42:32" (1/1) ... [2023-12-02 16:42:32,634 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:42:32" (1/1) ... [2023-12-02 16:42:32,637 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:42:32" (1/1) ... [2023-12-02 16:42:32,639 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:42:32" (1/1) ... [2023-12-02 16:42:32,642 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 16:42:32,643 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 16:42:32,643 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 16:42:32,643 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 16:42:32,644 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:42:32" (1/1) ... [2023-12-02 16:42:32,650 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 16:42:32,664 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c31e2de0-f739-4e33-9424-f9db1a24b574/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 16:42:32,678 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c31e2de0-f739-4e33-9424-f9db1a24b574/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-12-02 16:42:32,681 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c31e2de0-f739-4e33-9424-f9db1a24b574/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-12-02 16:42:32,714 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 16:42:32,714 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-12-02 16:42:32,714 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-12-02 16:42:32,715 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-02 16:42:32,715 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 16:42:32,715 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 16:42:32,824 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 16:42:32,827 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 16:42:33,214 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 16:42:33,534 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 16:42:33,534 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-02 16:42:33,536 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 04:42:33 BoogieIcfgContainer [2023-12-02 16:42:33,536 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 16:42:33,538 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-02 16:42:33,538 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-02 16:42:33,542 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-02 16:42:33,542 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 04:42:32" (1/3) ... [2023-12-02 16:42:33,543 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4bd5f183 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 04:42:33, skipping insertion in model container [2023-12-02 16:42:33,543 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:42:32" (2/3) ... [2023-12-02 16:42:33,543 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4bd5f183 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 04:42:33, skipping insertion in model container [2023-12-02 16:42:33,543 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 04:42:33" (3/3) ... [2023-12-02 16:42:33,545 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodestructure_filler-pe-cn_file-30.i [2023-12-02 16:42:33,565 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-02 16:42:33,565 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-12-02 16:42:33,620 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-02 16:42:33,628 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;@291ab2db, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-02 16:42:33,628 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-12-02 16:42:33,633 INFO L276 IsEmpty]: Start isEmpty. Operand has 64 states, 28 states have (on average 1.1071428571428572) internal successors, (31), 29 states have internal predecessors, (31), 33 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 33 states have call predecessors, (33), 33 states have call successors, (33) [2023-12-02 16:42:33,650 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2023-12-02 16:42:33,650 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 16:42:33,651 INFO L195 NwaCegarLoop]: trace histogram [33, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 16:42:33,652 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 16:42:33,658 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 16:42:33,658 INFO L85 PathProgramCache]: Analyzing trace with hash -331892778, now seen corresponding path program 1 times [2023-12-02 16:42:33,669 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 16:42:33,670 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1456703236] [2023-12-02 16:42:33,670 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 16:42:33,671 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 16:42:34,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 16:42:34,073 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-02 16:42:34,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 16:42:34,311 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2023-12-02 16:42:34,313 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-12-02 16:42:34,314 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-12-02 16:42:34,316 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-12-02 16:42:34,321 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-12-02 16:42:34,326 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-12-02 16:42:34,435 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.12 04:42:34 BoogieIcfgContainer [2023-12-02 16:42:34,435 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-12-02 16:42:34,436 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-12-02 16:42:34,436 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-12-02 16:42:34,437 INFO L274 PluginConnector]: Witness Printer initialized [2023-12-02 16:42:34,437 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 04:42:33" (3/4) ... [2023-12-02 16:42:34,439 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-12-02 16:42:34,441 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-12-02 16:42:34,442 INFO L158 Benchmark]: Toolchain (without parser) took 2187.26ms. Allocated memory was 132.1MB in the beginning and 163.6MB in the end (delta: 31.5MB). Free memory was 90.2MB in the beginning and 90.3MB in the end (delta: -113.5kB). Peak memory consumption was 32.8MB. Max. memory is 16.1GB. [2023-12-02 16:42:34,443 INFO L158 Benchmark]: CDTParser took 0.21ms. Allocated memory is still 132.1MB. Free memory was 105.2MB in the beginning and 105.1MB in the end (delta: 142.9kB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 16:42:34,443 INFO L158 Benchmark]: CACSL2BoogieTranslator took 303.13ms. Allocated memory is still 132.1MB. Free memory was 90.2MB in the beginning and 74.6MB in the end (delta: 15.6MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-12-02 16:42:34,444 INFO L158 Benchmark]: Boogie Procedure Inliner took 51.44ms. Allocated memory is still 132.1MB. Free memory was 74.6MB in the beginning and 71.8MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-02 16:42:34,445 INFO L158 Benchmark]: Boogie Preprocessor took 30.75ms. Allocated memory is still 132.1MB. Free memory was 71.8MB in the beginning and 69.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-02 16:42:34,445 INFO L158 Benchmark]: RCFGBuilder took 893.45ms. Allocated memory was 132.1MB in the beginning and 163.6MB in the end (delta: 31.5MB). Free memory was 69.7MB in the beginning and 97.1MB in the end (delta: -27.4MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2023-12-02 16:42:34,446 INFO L158 Benchmark]: TraceAbstraction took 897.31ms. Allocated memory is still 163.6MB. Free memory was 96.0MB in the beginning and 90.3MB in the end (delta: 5.6MB). Peak memory consumption was 5.5MB. Max. memory is 16.1GB. [2023-12-02 16:42:34,446 INFO L158 Benchmark]: Witness Printer took 4.71ms. Allocated memory is still 163.6MB. Free memory is still 90.3MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 16:42:34,449 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21ms. Allocated memory is still 132.1MB. Free memory was 105.2MB in the beginning and 105.1MB in the end (delta: 142.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 303.13ms. Allocated memory is still 132.1MB. Free memory was 90.2MB in the beginning and 74.6MB in the end (delta: 15.6MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 51.44ms. Allocated memory is still 132.1MB. Free memory was 74.6MB in the beginning and 71.8MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 30.75ms. Allocated memory is still 132.1MB. Free memory was 71.8MB in the beginning and 69.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 893.45ms. Allocated memory was 132.1MB in the beginning and 163.6MB in the end (delta: 31.5MB). Free memory was 69.7MB in the beginning and 97.1MB in the end (delta: -27.4MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. * TraceAbstraction took 897.31ms. Allocated memory is still 163.6MB. Free memory was 96.0MB in the beginning and 90.3MB in the end (delta: 5.6MB). Peak memory consumption was 5.5MB. Max. memory is 16.1GB. * Witness Printer took 4.71ms. Allocated memory is still 163.6MB. Free memory is still 90.3MB. There was no memory consumed. 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 someBinaryArithmeticDOUBLEoperation at line 100, overapproximation of someBinaryFLOATComparisonOperation at line 136, overapproximation of someUnaryDOUBLEoperation at line 39, overapproximation of bitwiseAnd at line 86, overapproximation of someBinaryDOUBLEComparisonOperation at line 65, overapproximation of someUnaryFLOAToperation at line 136, overapproximation of someBinaryArithmeticFLOAToperation at line 141. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] unsigned char var_1_1 = 1; [L23] unsigned char var_1_4 = 0; [L24] double var_1_5 = 127.5; [L25] double var_1_7 = 10000000000000.125; [L26] double var_1_8 = 1.25; [L27] double var_1_10 = 25.7; [L28] signed long int var_1_11 = -2; [L29] signed long int var_1_13 = 5; [L30] signed long int var_1_14 = 128; [L31] signed long int var_1_15 = 1000; [L32] double var_1_16 = 0.2; [L33] double var_1_17 = 0.25; [L34] double var_1_18 = 99999999999999.5; [L35] signed short int var_1_19 = -64; [L36] double var_1_20 = 256.75; [L37] double var_1_21 = 100.4; [L38] double var_1_22 = 4.5; [L39] double var_1_23 = -0.5; [L40] signed long int var_1_24 = 10; [L41] signed char var_1_25 = -8; [L42] double var_1_26 = 9.75; [L43] unsigned char var_1_27 = 1; [L44] signed char var_1_28 = 8; [L45] unsigned long int var_1_29 = 16; [L46] unsigned long int var_1_30 = 1; [L47] float var_1_31 = 16.6; [L48] unsigned char var_1_32 = 0; [L49] float var_1_33 = 0.25; [L50] float var_1_34 = 99.8; [L51] signed short int var_1_35 = 256; [L52] unsigned long int var_1_36 = 16; [L53] double var_1_37 = 8.5; [L54] unsigned long int var_1_38 = 3569725445; [L55] unsigned long int var_1_39 = 3551809449; [L56] unsigned long int var_1_40 = 10000000; [L57] unsigned char last_1_var_1_1 = 1; [L58] signed long int last_1_var_1_11 = -2; [L59] signed long int last_1_var_1_15 = 1000; [L60] double last_1_var_1_16 = 0.2; [L225] isInitial = 1 [L226] FCALL initially() [L227] COND TRUE 1 [L228] CALL updateLastVariables() [L215] last_1_var_1_1 = var_1_1 [L216] last_1_var_1_11 = var_1_11 [L217] last_1_var_1_15 = var_1_15 [L218] last_1_var_1_16 = var_1_16 [L228] RET updateLastVariables() [L229] CALL updateVariables() [L158] var_1_4 = __VERIFIER_nondet_uchar() [L159] CALL assume_abort_if_not(var_1_4 >= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=-2, last_1_var_1_15=1000, last_1_var_1_16=1/5, last_1_var_1_1=1, var_1_10=257/10, var_1_11=-2, var_1_13=5, var_1_14=128, var_1_15=1000, var_1_16=1/5, var_1_17=1/4, var_1_18=199999999999999/2, var_1_19=-64, var_1_1=1, var_1_20=1027/4, var_1_21=502/5, var_1_22=9/2, var_1_24=10, var_1_25=-8, var_1_26=39/4, var_1_27=1, var_1_28=8, var_1_29=16, var_1_30=1, var_1_31=83/5, var_1_32=0, var_1_33=1/4, var_1_34=499/5, var_1_35=256, var_1_36=16, var_1_37=17/2, var_1_38=3569725445, var_1_39=3551809449, var_1_40=10000000, var_1_4=1, var_1_5=255/2, var_1_7=80000000000001/8, var_1_8=5/4] [L20] COND FALSE !(!cond) [L159] RET assume_abort_if_not(var_1_4 >= 1) VAL [isInitial=1, last_1_var_1_11=-2, last_1_var_1_15=1000, last_1_var_1_16=1/5, last_1_var_1_1=1, var_1_10=257/10, var_1_11=-2, var_1_13=5, var_1_14=128, var_1_15=1000, var_1_16=1/5, var_1_17=1/4, var_1_18=199999999999999/2, var_1_19=-64, var_1_1=1, var_1_20=1027/4, var_1_21=502/5, var_1_22=9/2, var_1_24=10, var_1_25=-8, var_1_26=39/4, var_1_27=1, var_1_28=8, var_1_29=16, var_1_30=1, var_1_31=83/5, var_1_32=0, var_1_33=1/4, var_1_34=499/5, var_1_35=256, var_1_36=16, var_1_37=17/2, var_1_38=3569725445, var_1_39=3551809449, var_1_40=10000000, var_1_4=1, var_1_5=255/2, var_1_7=80000000000001/8, var_1_8=5/4] [L160] CALL assume_abort_if_not(var_1_4 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=-2, last_1_var_1_15=1000, last_1_var_1_16=1/5, last_1_var_1_1=1, var_1_10=257/10, var_1_11=-2, var_1_13=5, var_1_14=128, var_1_15=1000, var_1_16=1/5, var_1_17=1/4, var_1_18=199999999999999/2, var_1_19=-64, var_1_1=1, var_1_20=1027/4, var_1_21=502/5, var_1_22=9/2, var_1_24=10, var_1_25=-8, var_1_26=39/4, var_1_27=1, var_1_28=8, var_1_29=16, var_1_30=1, var_1_31=83/5, var_1_32=0, var_1_33=1/4, var_1_34=499/5, var_1_35=256, var_1_36=16, var_1_37=17/2, var_1_38=3569725445, var_1_39=3551809449, var_1_40=10000000, var_1_4=1, var_1_5=255/2, var_1_7=80000000000001/8, var_1_8=5/4] [L20] COND FALSE !(!cond) [L160] RET assume_abort_if_not(var_1_4 <= 1) VAL [isInitial=1, last_1_var_1_11=-2, last_1_var_1_15=1000, last_1_var_1_16=1/5, last_1_var_1_1=1, var_1_10=257/10, var_1_11=-2, var_1_13=5, var_1_14=128, var_1_15=1000, var_1_16=1/5, var_1_17=1/4, var_1_18=199999999999999/2, var_1_19=-64, var_1_1=1, var_1_20=1027/4, var_1_21=502/5, var_1_22=9/2, var_1_24=10, var_1_25=-8, var_1_26=39/4, var_1_27=1, var_1_28=8, var_1_29=16, var_1_30=1, var_1_31=83/5, var_1_32=0, var_1_33=1/4, var_1_34=499/5, var_1_35=256, var_1_36=16, var_1_37=17/2, var_1_38=3569725445, var_1_39=3551809449, var_1_40=10000000, var_1_4=1, var_1_5=255/2, var_1_7=80000000000001/8, var_1_8=5/4] [L161] var_1_7 = __VERIFIER_nondet_double() [L162] CALL assume_abort_if_not((var_1_7 >= -922337.2036854765600e+13F && var_1_7 <= -1.0e-20F) || (var_1_7 <= 9223372.036854765600e+12F && var_1_7 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=-2, last_1_var_1_15=1000, last_1_var_1_16=1/5, last_1_var_1_1=1, var_1_10=257/10, var_1_11=-2, var_1_13=5, var_1_14=128, var_1_15=1000, var_1_16=1/5, var_1_17=1/4, var_1_18=199999999999999/2, var_1_19=-64, var_1_1=1, var_1_20=1027/4, var_1_21=502/5, var_1_22=9/2, var_1_24=10, var_1_25=-8, var_1_26=39/4, var_1_27=1, var_1_28=8, var_1_29=16, var_1_30=1, var_1_31=83/5, var_1_32=0, var_1_33=1/4, var_1_34=499/5, var_1_35=256, var_1_36=16, var_1_37=17/2, var_1_38=3569725445, var_1_39=3551809449, var_1_40=10000000, var_1_4=1, var_1_5=255/2, var_1_8=5/4] [L20] COND FALSE !(!cond) [L162] RET assume_abort_if_not((var_1_7 >= -922337.2036854765600e+13F && var_1_7 <= -1.0e-20F) || (var_1_7 <= 9223372.036854765600e+12F && var_1_7 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_11=-2, last_1_var_1_15=1000, last_1_var_1_16=1/5, last_1_var_1_1=1, var_1_10=257/10, var_1_11=-2, var_1_13=5, var_1_14=128, var_1_15=1000, var_1_16=1/5, var_1_17=1/4, var_1_18=199999999999999/2, var_1_19=-64, var_1_1=1, var_1_20=1027/4, var_1_21=502/5, var_1_22=9/2, var_1_24=10, var_1_25=-8, var_1_26=39/4, var_1_27=1, var_1_28=8, var_1_29=16, var_1_30=1, var_1_31=83/5, var_1_32=0, var_1_33=1/4, var_1_34=499/5, var_1_35=256, var_1_36=16, var_1_37=17/2, var_1_38=3569725445, var_1_39=3551809449, var_1_40=10000000, var_1_4=1, var_1_5=255/2, var_1_8=5/4] [L163] var_1_10 = __VERIFIER_nondet_double() [L164] CALL assume_abort_if_not((var_1_10 >= -922337.2036854765600e+13F && var_1_10 <= -1.0e-20F) || (var_1_10 <= 9223372.036854765600e+12F && var_1_10 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=-2, last_1_var_1_15=1000, last_1_var_1_16=1/5, last_1_var_1_1=1, var_1_11=-2, var_1_13=5, var_1_14=128, var_1_15=1000, var_1_16=1/5, var_1_17=1/4, var_1_18=199999999999999/2, var_1_19=-64, var_1_1=1, var_1_20=1027/4, var_1_21=502/5, var_1_22=9/2, var_1_24=10, var_1_25=-8, var_1_26=39/4, var_1_27=1, var_1_28=8, var_1_29=16, var_1_30=1, var_1_31=83/5, var_1_32=0, var_1_33=1/4, var_1_34=499/5, var_1_35=256, var_1_36=16, var_1_37=17/2, var_1_38=3569725445, var_1_39=3551809449, var_1_40=10000000, var_1_4=1, var_1_5=255/2, var_1_8=5/4] [L20] COND FALSE !(!cond) [L164] RET assume_abort_if_not((var_1_10 >= -922337.2036854765600e+13F && var_1_10 <= -1.0e-20F) || (var_1_10 <= 9223372.036854765600e+12F && var_1_10 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_11=-2, last_1_var_1_15=1000, last_1_var_1_16=1/5, last_1_var_1_1=1, var_1_11=-2, var_1_13=5, var_1_14=128, var_1_15=1000, var_1_16=1/5, var_1_17=1/4, var_1_18=199999999999999/2, var_1_19=-64, var_1_1=1, var_1_20=1027/4, var_1_21=502/5, var_1_22=9/2, var_1_24=10, var_1_25=-8, var_1_26=39/4, var_1_27=1, var_1_28=8, var_1_29=16, var_1_30=1, var_1_31=83/5, var_1_32=0, var_1_33=1/4, var_1_34=499/5, var_1_35=256, var_1_36=16, var_1_37=17/2, var_1_38=3569725445, var_1_39=3551809449, var_1_40=10000000, var_1_4=1, var_1_5=255/2, var_1_8=5/4] [L165] var_1_13 = __VERIFIER_nondet_long() [L166] CALL assume_abort_if_not(var_1_13 >= -1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=-2, last_1_var_1_15=1000, last_1_var_1_16=1/5, last_1_var_1_1=1, var_1_11=-2, var_1_13=1, var_1_14=128, var_1_15=1000, var_1_16=1/5, var_1_17=1/4, var_1_18=199999999999999/2, var_1_19=-64, var_1_1=1, var_1_20=1027/4, var_1_21=502/5, var_1_22=9/2, var_1_24=10, var_1_25=-8, var_1_26=39/4, var_1_27=1, var_1_28=8, var_1_29=16, var_1_30=1, var_1_31=83/5, var_1_32=0, var_1_33=1/4, var_1_34=499/5, var_1_35=256, var_1_36=16, var_1_37=17/2, var_1_38=3569725445, var_1_39=3551809449, var_1_40=10000000, var_1_4=1, var_1_5=255/2, var_1_8=5/4] [L20] COND FALSE !(!cond) [L166] RET assume_abort_if_not(var_1_13 >= -1) VAL [isInitial=1, last_1_var_1_11=-2, last_1_var_1_15=1000, last_1_var_1_16=1/5, last_1_var_1_1=1, var_1_11=-2, var_1_13=1, var_1_14=128, var_1_15=1000, var_1_16=1/5, var_1_17=1/4, var_1_18=199999999999999/2, var_1_19=-64, var_1_1=1, var_1_20=1027/4, var_1_21=502/5, var_1_22=9/2, var_1_24=10, var_1_25=-8, var_1_26=39/4, var_1_27=1, var_1_28=8, var_1_29=16, var_1_30=1, var_1_31=83/5, var_1_32=0, var_1_33=1/4, var_1_34=499/5, var_1_35=256, var_1_36=16, var_1_37=17/2, var_1_38=3569725445, var_1_39=3551809449, var_1_40=10000000, var_1_4=1, var_1_5=255/2, var_1_8=5/4] [L167] CALL assume_abort_if_not(var_1_13 <= 2147483646) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=-2, last_1_var_1_15=1000, last_1_var_1_16=1/5, last_1_var_1_1=1, var_1_11=-2, var_1_13=1, var_1_14=128, var_1_15=1000, var_1_16=1/5, var_1_17=1/4, var_1_18=199999999999999/2, var_1_19=-64, var_1_1=1, var_1_20=1027/4, var_1_21=502/5, var_1_22=9/2, var_1_24=10, var_1_25=-8, var_1_26=39/4, var_1_27=1, var_1_28=8, var_1_29=16, var_1_30=1, var_1_31=83/5, var_1_32=0, var_1_33=1/4, var_1_34=499/5, var_1_35=256, var_1_36=16, var_1_37=17/2, var_1_38=3569725445, var_1_39=3551809449, var_1_40=10000000, var_1_4=1, var_1_5=255/2, var_1_8=5/4] [L20] COND FALSE !(!cond) [L167] RET assume_abort_if_not(var_1_13 <= 2147483646) VAL [isInitial=1, last_1_var_1_11=-2, last_1_var_1_15=1000, last_1_var_1_16=1/5, last_1_var_1_1=1, var_1_11=-2, var_1_13=1, var_1_14=128, var_1_15=1000, var_1_16=1/5, var_1_17=1/4, var_1_18=199999999999999/2, var_1_19=-64, var_1_1=1, var_1_20=1027/4, var_1_21=502/5, var_1_22=9/2, var_1_24=10, var_1_25=-8, var_1_26=39/4, var_1_27=1, var_1_28=8, var_1_29=16, var_1_30=1, var_1_31=83/5, var_1_32=0, var_1_33=1/4, var_1_34=499/5, var_1_35=256, var_1_36=16, var_1_37=17/2, var_1_38=3569725445, var_1_39=3551809449, var_1_40=10000000, var_1_4=1, var_1_5=255/2, var_1_8=5/4] [L168] var_1_14 = __VERIFIER_nondet_long() [L169] CALL assume_abort_if_not(var_1_14 >= -2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=-2, last_1_var_1_15=1000, last_1_var_1_16=1/5, last_1_var_1_1=1, var_1_11=-2, var_1_13=1, var_1_14=0, var_1_15=1000, var_1_16=1/5, var_1_17=1/4, var_1_18=199999999999999/2, var_1_19=-64, var_1_1=1, var_1_20=1027/4, var_1_21=502/5, var_1_22=9/2, var_1_24=10, var_1_25=-8, var_1_26=39/4, var_1_27=1, var_1_28=8, var_1_29=16, var_1_30=1, var_1_31=83/5, var_1_32=0, var_1_33=1/4, var_1_34=499/5, var_1_35=256, var_1_36=16, var_1_37=17/2, var_1_38=3569725445, var_1_39=3551809449, var_1_40=10000000, var_1_4=1, var_1_5=255/2, var_1_8=5/4] [L20] COND FALSE !(!cond) [L169] RET assume_abort_if_not(var_1_14 >= -2147483647) VAL [isInitial=1, last_1_var_1_11=-2, last_1_var_1_15=1000, last_1_var_1_16=1/5, last_1_var_1_1=1, var_1_11=-2, var_1_13=1, var_1_14=0, var_1_15=1000, var_1_16=1/5, var_1_17=1/4, var_1_18=199999999999999/2, var_1_19=-64, var_1_1=1, var_1_20=1027/4, var_1_21=502/5, var_1_22=9/2, var_1_24=10, var_1_25=-8, var_1_26=39/4, var_1_27=1, var_1_28=8, var_1_29=16, var_1_30=1, var_1_31=83/5, var_1_32=0, var_1_33=1/4, var_1_34=499/5, var_1_35=256, var_1_36=16, var_1_37=17/2, var_1_38=3569725445, var_1_39=3551809449, var_1_40=10000000, var_1_4=1, var_1_5=255/2, var_1_8=5/4] [L170] CALL assume_abort_if_not(var_1_14 <= 2147483646) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=-2, last_1_var_1_15=1000, last_1_var_1_16=1/5, last_1_var_1_1=1, var_1_11=-2, var_1_13=1, var_1_14=0, var_1_15=1000, var_1_16=1/5, var_1_17=1/4, var_1_18=199999999999999/2, var_1_19=-64, var_1_1=1, var_1_20=1027/4, var_1_21=502/5, var_1_22=9/2, var_1_24=10, var_1_25=-8, var_1_26=39/4, var_1_27=1, var_1_28=8, var_1_29=16, var_1_30=1, var_1_31=83/5, var_1_32=0, var_1_33=1/4, var_1_34=499/5, var_1_35=256, var_1_36=16, var_1_37=17/2, var_1_38=3569725445, var_1_39=3551809449, var_1_40=10000000, var_1_4=1, var_1_5=255/2, var_1_8=5/4] [L20] COND FALSE !(!cond) [L170] RET assume_abort_if_not(var_1_14 <= 2147483646) VAL [isInitial=1, last_1_var_1_11=-2, last_1_var_1_15=1000, last_1_var_1_16=1/5, last_1_var_1_1=1, var_1_11=-2, var_1_13=1, var_1_14=0, var_1_15=1000, var_1_16=1/5, var_1_17=1/4, var_1_18=199999999999999/2, var_1_19=-64, var_1_1=1, var_1_20=1027/4, var_1_21=502/5, var_1_22=9/2, var_1_24=10, var_1_25=-8, var_1_26=39/4, var_1_27=1, var_1_28=8, var_1_29=16, var_1_30=1, var_1_31=83/5, var_1_32=0, var_1_33=1/4, var_1_34=499/5, var_1_35=256, var_1_36=16, var_1_37=17/2, var_1_38=3569725445, var_1_39=3551809449, var_1_40=10000000, var_1_4=1, var_1_5=255/2, var_1_8=5/4] [L171] var_1_17 = __VERIFIER_nondet_double() [L172] CALL assume_abort_if_not((var_1_17 >= -461168.6018427382800e+13F && var_1_17 <= -1.0e-20F) || (var_1_17 <= 4611686.018427382800e+12F && var_1_17 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=-2, last_1_var_1_15=1000, last_1_var_1_16=1/5, last_1_var_1_1=1, var_1_11=-2, var_1_13=1, var_1_14=0, var_1_15=1000, var_1_16=1/5, var_1_18=199999999999999/2, var_1_19=-64, var_1_1=1, var_1_20=1027/4, var_1_21=502/5, var_1_22=9/2, var_1_24=10, var_1_25=-8, var_1_26=39/4, var_1_27=1, var_1_28=8, var_1_29=16, var_1_30=1, var_1_31=83/5, var_1_32=0, var_1_33=1/4, var_1_34=499/5, var_1_35=256, var_1_36=16, var_1_37=17/2, var_1_38=3569725445, var_1_39=3551809449, var_1_40=10000000, var_1_4=1, var_1_5=255/2, var_1_8=5/4] [L20] COND FALSE !(!cond) [L172] RET assume_abort_if_not((var_1_17 >= -461168.6018427382800e+13F && var_1_17 <= -1.0e-20F) || (var_1_17 <= 4611686.018427382800e+12F && var_1_17 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_11=-2, last_1_var_1_15=1000, last_1_var_1_16=1/5, last_1_var_1_1=1, var_1_11=-2, var_1_13=1, var_1_14=0, var_1_15=1000, var_1_16=1/5, var_1_18=199999999999999/2, var_1_19=-64, var_1_1=1, var_1_20=1027/4, var_1_21=502/5, var_1_22=9/2, var_1_24=10, var_1_25=-8, var_1_26=39/4, var_1_27=1, var_1_28=8, var_1_29=16, var_1_30=1, var_1_31=83/5, var_1_32=0, var_1_33=1/4, var_1_34=499/5, var_1_35=256, var_1_36=16, var_1_37=17/2, var_1_38=3569725445, var_1_39=3551809449, var_1_40=10000000, var_1_4=1, var_1_5=255/2, var_1_8=5/4] [L173] var_1_18 = __VERIFIER_nondet_double() [L174] CALL assume_abort_if_not((var_1_18 >= -230584.3009213691390e+13F && var_1_18 <= -1.0e-20F) || (var_1_18 <= 2305843.009213691390e+12F && var_1_18 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=-2, last_1_var_1_15=1000, last_1_var_1_16=1/5, last_1_var_1_1=1, var_1_11=-2, var_1_13=1, var_1_14=0, var_1_15=1000, var_1_16=1/5, var_1_19=-64, var_1_1=1, var_1_20=1027/4, var_1_21=502/5, var_1_22=9/2, var_1_24=10, var_1_25=-8, var_1_26=39/4, var_1_27=1, var_1_28=8, var_1_29=16, var_1_30=1, var_1_31=83/5, var_1_32=0, var_1_33=1/4, var_1_34=499/5, var_1_35=256, var_1_36=16, var_1_37=17/2, var_1_38=3569725445, var_1_39=3551809449, var_1_40=10000000, var_1_4=1, var_1_5=255/2, var_1_8=5/4] [L20] COND FALSE !(!cond) [L174] RET assume_abort_if_not((var_1_18 >= -230584.3009213691390e+13F && var_1_18 <= -1.0e-20F) || (var_1_18 <= 2305843.009213691390e+12F && var_1_18 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_11=-2, last_1_var_1_15=1000, last_1_var_1_16=1/5, last_1_var_1_1=1, var_1_11=-2, var_1_13=1, var_1_14=0, var_1_15=1000, var_1_16=1/5, var_1_19=-64, var_1_1=1, var_1_20=1027/4, var_1_21=502/5, var_1_22=9/2, var_1_24=10, var_1_25=-8, var_1_26=39/4, var_1_27=1, var_1_28=8, var_1_29=16, var_1_30=1, var_1_31=83/5, var_1_32=0, var_1_33=1/4, var_1_34=499/5, var_1_35=256, var_1_36=16, var_1_37=17/2, var_1_38=3569725445, var_1_39=3551809449, var_1_40=10000000, var_1_4=1, var_1_5=255/2, var_1_8=5/4] [L175] var_1_20 = __VERIFIER_nondet_double() [L176] CALL assume_abort_if_not((var_1_20 >= -922337.2036854776000e+13F && var_1_20 <= -1.0e-20F) || (var_1_20 <= 9223372.036854776000e+12F && var_1_20 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=-2, last_1_var_1_15=1000, last_1_var_1_16=1/5, last_1_var_1_1=1, var_1_11=-2, var_1_13=1, var_1_14=0, var_1_15=1000, var_1_16=1/5, var_1_19=-64, var_1_1=1, var_1_21=502/5, var_1_22=9/2, var_1_24=10, var_1_25=-8, var_1_26=39/4, var_1_27=1, var_1_28=8, var_1_29=16, var_1_30=1, var_1_31=83/5, var_1_32=0, var_1_33=1/4, var_1_34=499/5, var_1_35=256, var_1_36=16, var_1_37=17/2, var_1_38=3569725445, var_1_39=3551809449, var_1_40=10000000, var_1_4=1, var_1_5=255/2, var_1_8=5/4] [L20] COND FALSE !(!cond) [L176] RET assume_abort_if_not((var_1_20 >= -922337.2036854776000e+13F && var_1_20 <= -1.0e-20F) || (var_1_20 <= 9223372.036854776000e+12F && var_1_20 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_11=-2, last_1_var_1_15=1000, last_1_var_1_16=1/5, last_1_var_1_1=1, var_1_11=-2, var_1_13=1, var_1_14=0, var_1_15=1000, var_1_16=1/5, var_1_19=-64, var_1_1=1, var_1_21=502/5, var_1_22=9/2, var_1_24=10, var_1_25=-8, var_1_26=39/4, var_1_27=1, var_1_28=8, var_1_29=16, var_1_30=1, var_1_31=83/5, var_1_32=0, var_1_33=1/4, var_1_34=499/5, var_1_35=256, var_1_36=16, var_1_37=17/2, var_1_38=3569725445, var_1_39=3551809449, var_1_40=10000000, var_1_4=1, var_1_5=255/2, var_1_8=5/4] [L177] var_1_21 = __VERIFIER_nondet_double() [L178] CALL assume_abort_if_not((var_1_21 >= 0.0F && var_1_21 <= -1.0e-20F) || (var_1_21 <= 9223372.036854776000e+12F && var_1_21 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=-2, last_1_var_1_15=1000, last_1_var_1_16=1/5, last_1_var_1_1=1, var_1_11=-2, var_1_13=1, var_1_14=0, var_1_15=1000, var_1_16=1/5, var_1_19=-64, var_1_1=1, var_1_22=9/2, var_1_24=10, var_1_25=-8, var_1_26=39/4, var_1_27=1, var_1_28=8, var_1_29=16, var_1_30=1, var_1_31=83/5, var_1_32=0, var_1_33=1/4, var_1_34=499/5, var_1_35=256, var_1_36=16, var_1_37=17/2, var_1_38=3569725445, var_1_39=3551809449, var_1_40=10000000, var_1_4=1, var_1_5=255/2, var_1_8=5/4] [L20] COND FALSE !(!cond) [L178] RET assume_abort_if_not((var_1_21 >= 0.0F && var_1_21 <= -1.0e-20F) || (var_1_21 <= 9223372.036854776000e+12F && var_1_21 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_11=-2, last_1_var_1_15=1000, last_1_var_1_16=1/5, last_1_var_1_1=1, var_1_11=-2, var_1_13=1, var_1_14=0, var_1_15=1000, var_1_16=1/5, var_1_19=-64, var_1_1=1, var_1_22=9/2, var_1_24=10, var_1_25=-8, var_1_26=39/4, var_1_27=1, var_1_28=8, var_1_29=16, var_1_30=1, var_1_31=83/5, var_1_32=0, var_1_33=1/4, var_1_34=499/5, var_1_35=256, var_1_36=16, var_1_37=17/2, var_1_38=3569725445, var_1_39=3551809449, var_1_40=10000000, var_1_4=1, var_1_5=255/2, var_1_8=5/4] [L179] var_1_22 = __VERIFIER_nondet_double() [L180] CALL assume_abort_if_not((var_1_22 >= -922337.2036854776000e+13F && var_1_22 <= -1.0e-20F) || (var_1_22 <= 9223372.036854776000e+12F && var_1_22 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=-2, last_1_var_1_15=1000, last_1_var_1_16=1/5, last_1_var_1_1=1, var_1_11=-2, var_1_13=1, var_1_14=0, var_1_15=1000, var_1_16=1/5, var_1_19=-64, var_1_1=1, var_1_24=10, var_1_25=-8, var_1_26=39/4, var_1_27=1, var_1_28=8, var_1_29=16, var_1_30=1, var_1_31=83/5, var_1_32=0, var_1_33=1/4, var_1_34=499/5, var_1_35=256, var_1_36=16, var_1_37=17/2, var_1_38=3569725445, var_1_39=3551809449, var_1_40=10000000, var_1_4=1, var_1_5=255/2, var_1_8=5/4] [L20] COND FALSE !(!cond) [L180] RET assume_abort_if_not((var_1_22 >= -922337.2036854776000e+13F && var_1_22 <= -1.0e-20F) || (var_1_22 <= 9223372.036854776000e+12F && var_1_22 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_11=-2, last_1_var_1_15=1000, last_1_var_1_16=1/5, last_1_var_1_1=1, var_1_11=-2, var_1_13=1, var_1_14=0, var_1_15=1000, var_1_16=1/5, var_1_19=-64, var_1_1=1, var_1_24=10, var_1_25=-8, var_1_26=39/4, var_1_27=1, var_1_28=8, var_1_29=16, var_1_30=1, var_1_31=83/5, var_1_32=0, var_1_33=1/4, var_1_34=499/5, var_1_35=256, var_1_36=16, var_1_37=17/2, var_1_38=3569725445, var_1_39=3551809449, var_1_40=10000000, var_1_4=1, var_1_5=255/2, var_1_8=5/4] [L181] var_1_23 = __VERIFIER_nondet_double() [L182] CALL assume_abort_if_not((var_1_23 >= -922337.2036854776000e+13F && var_1_23 <= -1.0e-20F) || (var_1_23 <= 9223372.036854776000e+12F && var_1_23 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=-2, last_1_var_1_15=1000, last_1_var_1_16=1/5, last_1_var_1_1=1, var_1_11=-2, var_1_13=1, var_1_14=0, var_1_15=1000, var_1_16=1/5, var_1_19=-64, var_1_1=1, var_1_24=10, var_1_25=-8, var_1_26=39/4, var_1_27=1, var_1_28=8, var_1_29=16, var_1_30=1, var_1_31=83/5, var_1_32=0, var_1_33=1/4, var_1_34=499/5, var_1_35=256, var_1_36=16, var_1_37=17/2, var_1_38=3569725445, var_1_39=3551809449, var_1_40=10000000, var_1_4=1, var_1_5=255/2, var_1_8=5/4] [L20] COND FALSE !(!cond) [L182] RET assume_abort_if_not((var_1_23 >= -922337.2036854776000e+13F && var_1_23 <= -1.0e-20F) || (var_1_23 <= 9223372.036854776000e+12F && var_1_23 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_11=-2, last_1_var_1_15=1000, last_1_var_1_16=1/5, last_1_var_1_1=1, var_1_11=-2, var_1_13=1, var_1_14=0, var_1_15=1000, var_1_16=1/5, var_1_19=-64, var_1_1=1, var_1_24=10, var_1_25=-8, var_1_26=39/4, var_1_27=1, var_1_28=8, var_1_29=16, var_1_30=1, var_1_31=83/5, var_1_32=0, var_1_33=1/4, var_1_34=499/5, var_1_35=256, var_1_36=16, var_1_37=17/2, var_1_38=3569725445, var_1_39=3551809449, var_1_40=10000000, var_1_4=1, var_1_5=255/2, var_1_8=5/4] [L183] var_1_26 = __VERIFIER_nondet_double() [L184] CALL assume_abort_if_not((var_1_26 >= -922337.2036854776000e+13F && var_1_26 <= -1.0e-20F) || (var_1_26 <= 9223372.036854776000e+12F && var_1_26 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=-2, last_1_var_1_15=1000, last_1_var_1_16=1/5, last_1_var_1_1=1, var_1_11=-2, var_1_13=1, var_1_14=0, var_1_15=1000, var_1_16=1/5, var_1_19=-64, var_1_1=1, var_1_24=10, var_1_25=-8, var_1_27=1, var_1_28=8, var_1_29=16, var_1_30=1, var_1_31=83/5, var_1_32=0, var_1_33=1/4, var_1_34=499/5, var_1_35=256, var_1_36=16, var_1_37=17/2, var_1_38=3569725445, var_1_39=3551809449, var_1_40=10000000, var_1_4=1, var_1_5=255/2, var_1_8=5/4] [L20] COND FALSE !(!cond) [L184] RET assume_abort_if_not((var_1_26 >= -922337.2036854776000e+13F && var_1_26 <= -1.0e-20F) || (var_1_26 <= 9223372.036854776000e+12F && var_1_26 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_11=-2, last_1_var_1_15=1000, last_1_var_1_16=1/5, last_1_var_1_1=1, var_1_11=-2, var_1_13=1, var_1_14=0, var_1_15=1000, var_1_16=1/5, var_1_19=-64, var_1_1=1, var_1_24=10, var_1_25=-8, var_1_27=1, var_1_28=8, var_1_29=16, var_1_30=1, var_1_31=83/5, var_1_32=0, var_1_33=1/4, var_1_34=499/5, var_1_35=256, var_1_36=16, var_1_37=17/2, var_1_38=3569725445, var_1_39=3551809449, var_1_40=10000000, var_1_4=1, var_1_5=255/2, var_1_8=5/4] [L185] CALL assume_abort_if_not(var_1_26 != 0.0F) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=-2, last_1_var_1_15=1000, last_1_var_1_16=1/5, last_1_var_1_1=1, var_1_11=-2, var_1_13=1, var_1_14=0, var_1_15=1000, var_1_16=1/5, var_1_19=-64, var_1_1=1, var_1_24=10, var_1_25=-8, var_1_27=1, var_1_28=8, var_1_29=16, var_1_30=1, var_1_31=83/5, var_1_32=0, var_1_33=1/4, var_1_34=499/5, var_1_35=256, var_1_36=16, var_1_37=17/2, var_1_38=3569725445, var_1_39=3551809449, var_1_40=10000000, var_1_4=1, var_1_5=255/2, var_1_8=5/4] [L20] COND FALSE !(!cond) [L185] RET assume_abort_if_not(var_1_26 != 0.0F) VAL [isInitial=1, last_1_var_1_11=-2, last_1_var_1_15=1000, last_1_var_1_16=1/5, last_1_var_1_1=1, var_1_11=-2, var_1_13=1, var_1_14=0, var_1_15=1000, var_1_16=1/5, var_1_19=-64, var_1_1=1, var_1_24=10, var_1_25=-8, var_1_27=1, var_1_28=8, var_1_29=16, var_1_30=1, var_1_31=83/5, var_1_32=0, var_1_33=1/4, var_1_34=499/5, var_1_35=256, var_1_36=16, var_1_37=17/2, var_1_38=3569725445, var_1_39=3551809449, var_1_40=10000000, var_1_4=1, var_1_5=255/2, var_1_8=5/4] [L186] var_1_27 = __VERIFIER_nondet_uchar() [L187] CALL assume_abort_if_not(var_1_27 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=-2, last_1_var_1_15=1000, last_1_var_1_16=1/5, last_1_var_1_1=1, var_1_11=-2, var_1_13=1, var_1_14=0, var_1_15=1000, var_1_16=1/5, var_1_19=-64, var_1_1=1, var_1_24=10, var_1_25=-8, var_1_28=8, var_1_29=16, var_1_30=1, var_1_31=83/5, var_1_32=0, var_1_33=1/4, var_1_34=499/5, var_1_35=256, var_1_36=16, var_1_37=17/2, var_1_38=3569725445, var_1_39=3551809449, var_1_40=10000000, var_1_4=1, var_1_5=255/2, var_1_8=5/4] [L20] COND FALSE !(!cond) [L187] RET assume_abort_if_not(var_1_27 >= 0) VAL [isInitial=1, last_1_var_1_11=-2, last_1_var_1_15=1000, last_1_var_1_16=1/5, last_1_var_1_1=1, var_1_11=-2, var_1_13=1, var_1_14=0, var_1_15=1000, var_1_16=1/5, var_1_19=-64, var_1_1=1, var_1_24=10, var_1_25=-8, var_1_28=8, var_1_29=16, var_1_30=1, var_1_31=83/5, var_1_32=0, var_1_33=1/4, var_1_34=499/5, var_1_35=256, var_1_36=16, var_1_37=17/2, var_1_38=3569725445, var_1_39=3551809449, var_1_40=10000000, var_1_4=1, var_1_5=255/2, var_1_8=5/4] [L188] CALL assume_abort_if_not(var_1_27 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=-2, last_1_var_1_15=1000, last_1_var_1_16=1/5, last_1_var_1_1=1, var_1_11=-2, var_1_13=1, var_1_14=0, var_1_15=1000, var_1_16=1/5, var_1_19=-64, var_1_1=1, var_1_24=10, var_1_25=-8, var_1_27=0, var_1_28=8, var_1_29=16, var_1_30=1, var_1_31=83/5, var_1_32=0, var_1_33=1/4, var_1_34=499/5, var_1_35=256, var_1_36=16, var_1_37=17/2, var_1_38=3569725445, var_1_39=3551809449, var_1_40=10000000, var_1_4=1, var_1_5=255/2, var_1_8=5/4] [L20] COND FALSE !(!cond) [L188] RET assume_abort_if_not(var_1_27 <= 1) VAL [isInitial=1, last_1_var_1_11=-2, last_1_var_1_15=1000, last_1_var_1_16=1/5, last_1_var_1_1=1, var_1_11=-2, var_1_13=1, var_1_14=0, var_1_15=1000, var_1_16=1/5, var_1_19=-64, var_1_1=1, var_1_24=10, var_1_25=-8, var_1_27=0, var_1_28=8, var_1_29=16, var_1_30=1, var_1_31=83/5, var_1_32=0, var_1_33=1/4, var_1_34=499/5, var_1_35=256, var_1_36=16, var_1_37=17/2, var_1_38=3569725445, var_1_39=3551809449, var_1_40=10000000, var_1_4=1, var_1_5=255/2, var_1_8=5/4] [L189] var_1_28 = __VERIFIER_nondet_char() [L190] CALL assume_abort_if_not(var_1_28 >= -127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=-2, last_1_var_1_15=1000, last_1_var_1_16=1/5, last_1_var_1_1=1, var_1_11=-2, var_1_13=1, var_1_14=0, var_1_15=1000, var_1_16=1/5, var_1_19=-64, var_1_1=1, var_1_24=10, var_1_25=-8, var_1_27=0, var_1_28=64, var_1_29=16, var_1_30=1, var_1_31=83/5, var_1_32=0, var_1_33=1/4, var_1_34=499/5, var_1_35=256, var_1_36=16, var_1_37=17/2, var_1_38=3569725445, var_1_39=3551809449, var_1_40=10000000, var_1_4=1, var_1_5=255/2, var_1_8=5/4] [L20] COND FALSE !(!cond) [L190] RET assume_abort_if_not(var_1_28 >= -127) VAL [isInitial=1, last_1_var_1_11=-2, last_1_var_1_15=1000, last_1_var_1_16=1/5, last_1_var_1_1=1, var_1_11=-2, var_1_13=1, var_1_14=0, var_1_15=1000, var_1_16=1/5, var_1_19=-64, var_1_1=1, var_1_24=10, var_1_25=-8, var_1_27=0, var_1_28=64, var_1_29=16, var_1_30=1, var_1_31=83/5, var_1_32=0, var_1_33=1/4, var_1_34=499/5, var_1_35=256, var_1_36=16, var_1_37=17/2, var_1_38=3569725445, var_1_39=3551809449, var_1_40=10000000, var_1_4=1, var_1_5=255/2, var_1_8=5/4] [L191] CALL assume_abort_if_not(var_1_28 <= 126) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=-2, last_1_var_1_15=1000, last_1_var_1_16=1/5, last_1_var_1_1=1, var_1_11=-2, var_1_13=1, var_1_14=0, var_1_15=1000, var_1_16=1/5, var_1_19=-64, var_1_1=1, var_1_24=10, var_1_25=-8, var_1_27=0, var_1_28=64, var_1_29=16, var_1_30=1, var_1_31=83/5, var_1_32=0, var_1_33=1/4, var_1_34=499/5, var_1_35=256, var_1_36=16, var_1_37=17/2, var_1_38=3569725445, var_1_39=3551809449, var_1_40=10000000, var_1_4=1, var_1_5=255/2, var_1_8=5/4] [L20] COND FALSE !(!cond) [L191] RET assume_abort_if_not(var_1_28 <= 126) VAL [isInitial=1, last_1_var_1_11=-2, last_1_var_1_15=1000, last_1_var_1_16=1/5, last_1_var_1_1=1, var_1_11=-2, var_1_13=1, var_1_14=0, var_1_15=1000, var_1_16=1/5, var_1_19=-64, var_1_1=1, var_1_24=10, var_1_25=-8, var_1_27=0, var_1_28=64, var_1_29=16, var_1_30=1, var_1_31=83/5, var_1_32=0, var_1_33=1/4, var_1_34=499/5, var_1_35=256, var_1_36=16, var_1_37=17/2, var_1_38=3569725445, var_1_39=3551809449, var_1_40=10000000, var_1_4=1, var_1_5=255/2, var_1_8=5/4] [L192] var_1_30 = __VERIFIER_nondet_ulong() [L193] CALL assume_abort_if_not(var_1_30 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=-2, last_1_var_1_15=1000, last_1_var_1_16=1/5, last_1_var_1_1=1, var_1_11=-2, var_1_13=1, var_1_14=0, var_1_15=1000, var_1_16=1/5, var_1_19=-64, var_1_1=1, var_1_24=10, var_1_25=-8, var_1_27=0, var_1_28=64, var_1_29=16, var_1_31=83/5, var_1_32=0, var_1_33=1/4, var_1_34=499/5, var_1_35=256, var_1_36=16, var_1_37=17/2, var_1_38=3569725445, var_1_39=3551809449, var_1_40=10000000, var_1_4=1, var_1_5=255/2, var_1_8=5/4] [L20] COND FALSE !(!cond) [L193] RET assume_abort_if_not(var_1_30 >= 0) VAL [isInitial=1, last_1_var_1_11=-2, last_1_var_1_15=1000, last_1_var_1_16=1/5, last_1_var_1_1=1, var_1_11=-2, var_1_13=1, var_1_14=0, var_1_15=1000, var_1_16=1/5, var_1_19=-64, var_1_1=1, var_1_24=10, var_1_25=-8, var_1_27=0, var_1_28=64, var_1_29=16, var_1_31=83/5, var_1_32=0, var_1_33=1/4, var_1_34=499/5, var_1_35=256, var_1_36=16, var_1_37=17/2, var_1_38=3569725445, var_1_39=3551809449, var_1_40=10000000, var_1_4=1, var_1_5=255/2, var_1_8=5/4] [L194] CALL assume_abort_if_not(var_1_30 <= 4294967294) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=-2, last_1_var_1_15=1000, last_1_var_1_16=1/5, last_1_var_1_1=1, var_1_11=-2, var_1_13=1, var_1_14=0, var_1_15=1000, var_1_16=1/5, var_1_19=-64, var_1_1=1, var_1_24=10, var_1_25=-8, var_1_27=0, var_1_28=64, var_1_29=16, var_1_30=0, var_1_31=83/5, var_1_32=0, var_1_33=1/4, var_1_34=499/5, var_1_35=256, var_1_36=16, var_1_37=17/2, var_1_38=3569725445, var_1_39=3551809449, var_1_40=10000000, var_1_4=1, var_1_5=255/2, var_1_8=5/4] [L20] COND FALSE !(!cond) [L194] RET assume_abort_if_not(var_1_30 <= 4294967294) VAL [isInitial=1, last_1_var_1_11=-2, last_1_var_1_15=1000, last_1_var_1_16=1/5, last_1_var_1_1=1, var_1_11=-2, var_1_13=1, var_1_14=0, var_1_15=1000, var_1_16=1/5, var_1_19=-64, var_1_1=1, var_1_24=10, var_1_25=-8, var_1_27=0, var_1_28=64, var_1_29=16, var_1_30=0, var_1_31=83/5, var_1_32=0, var_1_33=1/4, var_1_34=499/5, var_1_35=256, var_1_36=16, var_1_37=17/2, var_1_38=3569725445, var_1_39=3551809449, var_1_40=10000000, var_1_4=1, var_1_5=255/2, var_1_8=5/4] [L195] var_1_32 = __VERIFIER_nondet_uchar() [L196] CALL assume_abort_if_not(var_1_32 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=-2, last_1_var_1_15=1000, last_1_var_1_16=1/5, last_1_var_1_1=1, var_1_11=-2, var_1_13=1, var_1_14=0, var_1_15=1000, var_1_16=1/5, var_1_19=-64, var_1_1=1, var_1_24=10, var_1_25=-8, var_1_27=0, var_1_28=64, var_1_29=16, var_1_30=0, var_1_31=83/5, var_1_33=1/4, var_1_34=499/5, var_1_35=256, var_1_36=16, var_1_37=17/2, var_1_38=3569725445, var_1_39=3551809449, var_1_40=10000000, var_1_4=1, var_1_5=255/2, var_1_8=5/4] [L20] COND FALSE !(!cond) [L196] RET assume_abort_if_not(var_1_32 >= 0) VAL [isInitial=1, last_1_var_1_11=-2, last_1_var_1_15=1000, last_1_var_1_16=1/5, last_1_var_1_1=1, var_1_11=-2, var_1_13=1, var_1_14=0, var_1_15=1000, var_1_16=1/5, var_1_19=-64, var_1_1=1, var_1_24=10, var_1_25=-8, var_1_27=0, var_1_28=64, var_1_29=16, var_1_30=0, var_1_31=83/5, var_1_33=1/4, var_1_34=499/5, var_1_35=256, var_1_36=16, var_1_37=17/2, var_1_38=3569725445, var_1_39=3551809449, var_1_40=10000000, var_1_4=1, var_1_5=255/2, var_1_8=5/4] [L197] CALL assume_abort_if_not(var_1_32 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=-2, last_1_var_1_15=1000, last_1_var_1_16=1/5, last_1_var_1_1=1, var_1_11=-2, var_1_13=1, var_1_14=0, var_1_15=1000, var_1_16=1/5, var_1_19=-64, var_1_1=1, var_1_24=10, var_1_25=-8, var_1_27=0, var_1_28=64, var_1_29=16, var_1_30=0, var_1_31=83/5, var_1_32=1, var_1_33=1/4, var_1_34=499/5, var_1_35=256, var_1_36=16, var_1_37=17/2, var_1_38=3569725445, var_1_39=3551809449, var_1_40=10000000, var_1_4=1, var_1_5=255/2, var_1_8=5/4] [L20] COND FALSE !(!cond) [L197] RET assume_abort_if_not(var_1_32 <= 1) VAL [isInitial=1, last_1_var_1_11=-2, last_1_var_1_15=1000, last_1_var_1_16=1/5, last_1_var_1_1=1, var_1_11=-2, var_1_13=1, var_1_14=0, var_1_15=1000, var_1_16=1/5, var_1_19=-64, var_1_1=1, var_1_24=10, var_1_25=-8, var_1_27=0, var_1_28=64, var_1_29=16, var_1_30=0, var_1_31=83/5, var_1_32=1, var_1_33=1/4, var_1_34=499/5, var_1_35=256, var_1_36=16, var_1_37=17/2, var_1_38=3569725445, var_1_39=3551809449, var_1_40=10000000, var_1_4=1, var_1_5=255/2, var_1_8=5/4] [L198] var_1_33 = __VERIFIER_nondet_float() [L199] CALL assume_abort_if_not((var_1_33 >= -922337.2036854765600e+13F && var_1_33 <= -1.0e-20F) || (var_1_33 <= 9223372.036854765600e+12F && var_1_33 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=-2, last_1_var_1_15=1000, last_1_var_1_16=1/5, last_1_var_1_1=1, var_1_11=-2, var_1_13=1, var_1_14=0, var_1_15=1000, var_1_16=1/5, var_1_19=-64, var_1_1=1, var_1_24=10, var_1_25=-8, var_1_27=0, var_1_28=64, var_1_29=16, var_1_30=0, var_1_31=83/5, var_1_32=1, var_1_34=499/5, var_1_35=256, var_1_36=16, var_1_37=17/2, var_1_38=3569725445, var_1_39=3551809449, var_1_40=10000000, var_1_4=1, var_1_5=255/2, var_1_8=5/4] [L20] COND FALSE !(!cond) [L199] RET assume_abort_if_not((var_1_33 >= -922337.2036854765600e+13F && var_1_33 <= -1.0e-20F) || (var_1_33 <= 9223372.036854765600e+12F && var_1_33 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_11=-2, last_1_var_1_15=1000, last_1_var_1_16=1/5, last_1_var_1_1=1, var_1_11=-2, var_1_13=1, var_1_14=0, var_1_15=1000, var_1_16=1/5, var_1_19=-64, var_1_1=1, var_1_24=10, var_1_25=-8, var_1_27=0, var_1_28=64, var_1_29=16, var_1_30=0, var_1_31=83/5, var_1_32=1, var_1_34=499/5, var_1_35=256, var_1_36=16, var_1_37=17/2, var_1_38=3569725445, var_1_39=3551809449, var_1_40=10000000, var_1_4=1, var_1_5=255/2, var_1_8=5/4] [L200] var_1_34 = __VERIFIER_nondet_float() [L201] CALL assume_abort_if_not((var_1_34 >= -922337.2036854765600e+13F && var_1_34 <= -1.0e-20F) || (var_1_34 <= 9223372.036854765600e+12F && var_1_34 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=-2, last_1_var_1_15=1000, last_1_var_1_16=1/5, last_1_var_1_1=1, var_1_11=-2, var_1_13=1, var_1_14=0, var_1_15=1000, var_1_16=1/5, var_1_19=-64, var_1_1=1, var_1_24=10, var_1_25=-8, var_1_27=0, var_1_28=64, var_1_29=16, var_1_30=0, var_1_31=83/5, var_1_32=1, var_1_35=256, var_1_36=16, var_1_37=17/2, var_1_38=3569725445, var_1_39=3551809449, var_1_40=10000000, var_1_4=1, var_1_5=255/2, var_1_8=5/4] [L20] COND FALSE !(!cond) [L201] RET assume_abort_if_not((var_1_34 >= -922337.2036854765600e+13F && var_1_34 <= -1.0e-20F) || (var_1_34 <= 9223372.036854765600e+12F && var_1_34 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_11=-2, last_1_var_1_15=1000, last_1_var_1_16=1/5, last_1_var_1_1=1, var_1_11=-2, var_1_13=1, var_1_14=0, var_1_15=1000, var_1_16=1/5, var_1_19=-64, var_1_1=1, var_1_24=10, var_1_25=-8, var_1_27=0, var_1_28=64, var_1_29=16, var_1_30=0, var_1_31=83/5, var_1_32=1, var_1_35=256, var_1_36=16, var_1_37=17/2, var_1_38=3569725445, var_1_39=3551809449, var_1_40=10000000, var_1_4=1, var_1_5=255/2, var_1_8=5/4] [L202] var_1_37 = __VERIFIER_nondet_double() [L203] CALL assume_abort_if_not((var_1_37 >= 0.0F && var_1_37 <= -1.0e-20F) || (var_1_37 <= 9223372.036854776000e+12F && var_1_37 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=-2, last_1_var_1_15=1000, last_1_var_1_16=1/5, last_1_var_1_1=1, var_1_11=-2, var_1_13=1, var_1_14=0, var_1_15=1000, var_1_16=1/5, var_1_19=-64, var_1_1=1, var_1_24=10, var_1_25=-8, var_1_27=0, var_1_28=64, var_1_29=16, var_1_30=0, var_1_31=83/5, var_1_32=1, var_1_35=256, var_1_36=16, var_1_38=3569725445, var_1_39=3551809449, var_1_40=10000000, var_1_4=1, var_1_5=255/2, var_1_8=5/4] [L20] COND FALSE !(!cond) [L203] RET assume_abort_if_not((var_1_37 >= 0.0F && var_1_37 <= -1.0e-20F) || (var_1_37 <= 9223372.036854776000e+12F && var_1_37 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_11=-2, last_1_var_1_15=1000, last_1_var_1_16=1/5, last_1_var_1_1=1, var_1_11=-2, var_1_13=1, var_1_14=0, var_1_15=1000, var_1_16=1/5, var_1_19=-64, var_1_1=1, var_1_24=10, var_1_25=-8, var_1_27=0, var_1_28=64, var_1_29=16, var_1_30=0, var_1_31=83/5, var_1_32=1, var_1_35=256, var_1_36=16, var_1_38=3569725445, var_1_39=3551809449, var_1_40=10000000, var_1_4=1, var_1_5=255/2, var_1_8=5/4] [L204] var_1_38 = __VERIFIER_nondet_ulong() [L205] CALL assume_abort_if_not(var_1_38 >= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=-2, last_1_var_1_15=1000, last_1_var_1_16=1/5, last_1_var_1_1=1, var_1_11=-2, var_1_13=1, var_1_14=0, var_1_15=1000, var_1_16=1/5, var_1_19=-64, var_1_1=1, var_1_24=10, var_1_25=-8, var_1_27=0, var_1_28=64, var_1_29=16, var_1_30=0, var_1_31=83/5, var_1_32=1, var_1_35=256, var_1_36=16, var_1_38=2147483647, var_1_39=3551809449, var_1_40=10000000, var_1_4=1, var_1_5=255/2, var_1_8=5/4] [L20] COND FALSE !(!cond) [L205] RET assume_abort_if_not(var_1_38 >= 2147483647) VAL [isInitial=1, last_1_var_1_11=-2, last_1_var_1_15=1000, last_1_var_1_16=1/5, last_1_var_1_1=1, var_1_11=-2, var_1_13=1, var_1_14=0, var_1_15=1000, var_1_16=1/5, var_1_19=-64, var_1_1=1, var_1_24=10, var_1_25=-8, var_1_27=0, var_1_28=64, var_1_29=16, var_1_30=0, var_1_31=83/5, var_1_32=1, var_1_35=256, var_1_36=16, var_1_38=2147483647, var_1_39=3551809449, var_1_40=10000000, var_1_4=1, var_1_5=255/2, var_1_8=5/4] [L206] CALL assume_abort_if_not(var_1_38 <= 4294967294) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=-2, last_1_var_1_15=1000, last_1_var_1_16=1/5, last_1_var_1_1=1, var_1_11=-2, var_1_13=1, var_1_14=0, var_1_15=1000, var_1_16=1/5, var_1_19=-64, var_1_1=1, var_1_24=10, var_1_25=-8, var_1_27=0, var_1_28=64, var_1_29=16, var_1_30=0, var_1_31=83/5, var_1_32=1, var_1_35=256, var_1_36=16, var_1_38=2147483647, var_1_39=3551809449, var_1_40=10000000, var_1_4=1, var_1_5=255/2, var_1_8=5/4] [L20] COND FALSE !(!cond) [L206] RET assume_abort_if_not(var_1_38 <= 4294967294) VAL [isInitial=1, last_1_var_1_11=-2, last_1_var_1_15=1000, last_1_var_1_16=1/5, last_1_var_1_1=1, var_1_11=-2, var_1_13=1, var_1_14=0, var_1_15=1000, var_1_16=1/5, var_1_19=-64, var_1_1=1, var_1_24=10, var_1_25=-8, var_1_27=0, var_1_28=64, var_1_29=16, var_1_30=0, var_1_31=83/5, var_1_32=1, var_1_35=256, var_1_36=16, var_1_38=2147483647, var_1_39=3551809449, var_1_40=10000000, var_1_4=1, var_1_5=255/2, var_1_8=5/4] [L207] var_1_39 = __VERIFIER_nondet_ulong() [L208] CALL assume_abort_if_not(var_1_39 >= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=-2, last_1_var_1_15=1000, last_1_var_1_16=1/5, last_1_var_1_1=1, var_1_11=-2, var_1_13=1, var_1_14=0, var_1_15=1000, var_1_16=1/5, var_1_19=-64, var_1_1=1, var_1_24=10, var_1_25=-8, var_1_27=0, var_1_28=64, var_1_29=16, var_1_30=0, var_1_31=83/5, var_1_32=1, var_1_35=256, var_1_36=16, var_1_38=2147483647, var_1_39=4294967294, var_1_40=10000000, var_1_4=1, var_1_5=255/2, var_1_8=5/4] [L20] COND FALSE !(!cond) [L208] RET assume_abort_if_not(var_1_39 >= 2147483647) VAL [isInitial=1, last_1_var_1_11=-2, last_1_var_1_15=1000, last_1_var_1_16=1/5, last_1_var_1_1=1, var_1_11=-2, var_1_13=1, var_1_14=0, var_1_15=1000, var_1_16=1/5, var_1_19=-64, var_1_1=1, var_1_24=10, var_1_25=-8, var_1_27=0, var_1_28=64, var_1_29=16, var_1_30=0, var_1_31=83/5, var_1_32=1, var_1_35=256, var_1_36=16, var_1_38=2147483647, var_1_39=4294967294, var_1_40=10000000, var_1_4=1, var_1_5=255/2, var_1_8=5/4] [L209] CALL assume_abort_if_not(var_1_39 <= 4294967294) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=-2, last_1_var_1_15=1000, last_1_var_1_16=1/5, last_1_var_1_1=1, var_1_11=-2, var_1_13=1, var_1_14=0, var_1_15=1000, var_1_16=1/5, var_1_19=-64, var_1_1=1, var_1_24=10, var_1_25=-8, var_1_27=0, var_1_28=64, var_1_29=16, var_1_30=0, var_1_31=83/5, var_1_32=1, var_1_35=256, var_1_36=16, var_1_38=2147483647, var_1_39=4294967294, var_1_40=10000000, var_1_4=1, var_1_5=255/2, var_1_8=5/4] [L20] COND FALSE !(!cond) [L209] RET assume_abort_if_not(var_1_39 <= 4294967294) VAL [isInitial=1, last_1_var_1_11=-2, last_1_var_1_15=1000, last_1_var_1_16=1/5, last_1_var_1_1=1, var_1_11=-2, var_1_13=1, var_1_14=0, var_1_15=1000, var_1_16=1/5, var_1_19=-64, var_1_1=1, var_1_24=10, var_1_25=-8, var_1_27=0, var_1_28=64, var_1_29=16, var_1_30=0, var_1_31=83/5, var_1_32=1, var_1_35=256, var_1_36=16, var_1_38=2147483647, var_1_39=4294967294, var_1_40=10000000, var_1_4=1, var_1_5=255/2, var_1_8=5/4] [L210] var_1_40 = __VERIFIER_nondet_ulong() [L211] CALL assume_abort_if_not(var_1_40 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=-2, last_1_var_1_15=1000, last_1_var_1_16=1/5, last_1_var_1_1=1, var_1_11=-2, var_1_13=1, var_1_14=0, var_1_15=1000, var_1_16=1/5, var_1_19=-64, var_1_1=1, var_1_24=10, var_1_25=-8, var_1_27=0, var_1_28=64, var_1_29=16, var_1_30=0, var_1_31=83/5, var_1_32=1, var_1_35=256, var_1_36=16, var_1_38=2147483647, var_1_39=4294967294, var_1_4=1, var_1_5=255/2, var_1_8=5/4] [L20] COND FALSE !(!cond) [L211] RET assume_abort_if_not(var_1_40 >= 0) VAL [isInitial=1, last_1_var_1_11=-2, last_1_var_1_15=1000, last_1_var_1_16=1/5, last_1_var_1_1=1, var_1_11=-2, var_1_13=1, var_1_14=0, var_1_15=1000, var_1_16=1/5, var_1_19=-64, var_1_1=1, var_1_24=10, var_1_25=-8, var_1_27=0, var_1_28=64, var_1_29=16, var_1_30=0, var_1_31=83/5, var_1_32=1, var_1_35=256, var_1_36=16, var_1_38=2147483647, var_1_39=4294967294, var_1_4=1, var_1_5=255/2, var_1_8=5/4] [L212] CALL assume_abort_if_not(var_1_40 <= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=-2, last_1_var_1_15=1000, last_1_var_1_16=1/5, last_1_var_1_1=1, var_1_11=-2, var_1_13=1, var_1_14=0, var_1_15=1000, var_1_16=1/5, var_1_19=-64, var_1_1=1, var_1_24=10, var_1_25=-8, var_1_27=0, var_1_28=64, var_1_29=16, var_1_30=0, var_1_31=83/5, var_1_32=1, var_1_35=256, var_1_36=16, var_1_38=2147483647, var_1_39=4294967294, var_1_40=2147483391, var_1_4=1, var_1_5=255/2, var_1_8=5/4] [L20] COND FALSE !(!cond) [L212] RET assume_abort_if_not(var_1_40 <= 2147483647) VAL [isInitial=1, last_1_var_1_11=-2, last_1_var_1_15=1000, last_1_var_1_16=1/5, last_1_var_1_1=1, var_1_11=-2, var_1_13=1, var_1_14=0, var_1_15=1000, var_1_16=1/5, var_1_19=-64, var_1_1=1, var_1_24=10, var_1_25=-8, var_1_27=0, var_1_28=64, var_1_29=16, var_1_30=0, var_1_31=83/5, var_1_32=1, var_1_35=256, var_1_36=16, var_1_38=2147483647, var_1_39=4294967294, var_1_40=2147483391, var_1_4=1, var_1_5=255/2, var_1_8=5/4] [L229] RET updateVariables() [L230] CALL step() [L64] COND TRUE \read(last_1_var_1_1) [L65] COND TRUE ((((last_1_var_1_16) > (49.75)) ? (last_1_var_1_16) : (49.75))) > last_1_var_1_16 [L66] var_1_11 = ((((last_1_var_1_15) < ((((((var_1_13 - 5)) > (var_1_14)) ? ((var_1_13 - 5)) : (var_1_14))))) ? (last_1_var_1_15) : ((((((var_1_13 - 5)) > (var_1_14)) ? ((var_1_13 - 5)) : (var_1_14)))))) [L71] signed long int stepLocal_0 = last_1_var_1_11; [L72] COND TRUE (last_1_var_1_11 / ((((-16) < 0 ) ? -(-16) : (-16)))) >= stepLocal_0 [L73] var_1_1 = var_1_4 [L75] signed long int stepLocal_2 = var_1_11; [L76] unsigned char stepLocal_1 = var_1_1; [L77] COND TRUE \read(var_1_1) [L78] COND TRUE var_1_11 >= stepLocal_2 [L79] COND TRUE stepLocal_1 || (var_1_11 < var_1_11) [L80] var_1_5 = var_1_7 [L86] EXPR var_1_11 & var_1_13 [L86] COND FALSE !((- var_1_11) > (var_1_11 & var_1_13)) [L97] var_1_15 = var_1_13 [L99] COND TRUE ((((var_1_5) < (last_1_var_1_16)) ? (var_1_5) : (last_1_var_1_16))) >= var_1_7 [L100] var_1_16 = (var_1_17 + (var_1_18 + 16.75)) [L104] COND FALSE !(10.55f < var_1_16) [L109] COND TRUE var_1_16 > var_1_7 [L110] var_1_8 = var_1_10 [L115] COND TRUE (((((var_1_20) < 0 ) ? -(var_1_20) : (var_1_20))) - var_1_21) == (var_1_22 * var_1_23) [L116] var_1_19 = -4 [L118] var_1_24 = var_1_19 [L119] COND FALSE !(var_1_21 != var_1_23) [L126] COND FALSE !(\read(var_1_27)) [L129] var_1_25 = var_1_28 [L132] var_1_29 = var_1_30 [L133] COND FALSE !(var_1_22 > var_1_23) [L140] COND FALSE !(\read(var_1_27)) [L144] COND TRUE ! ((1 + var_1_24) <= var_1_19) [L145] COND FALSE !(var_1_24 > (((((((-5) < 0 ) ? -(-5) : (-5))) < 0 ) ? -((((-5) < 0 ) ? -(-5) : (-5))) : ((((-5) < 0 ) ? -(-5) : (-5)))))) [L149] COND TRUE var_1_21 < var_1_23 [L150] COND FALSE !(var_1_21 == (var_1_37 - 199.3)) [L153] var_1_36 = 256u [L230] RET step() [L231] CALL, EXPR property() [L221] EXPR ((((((last_1_var_1_11 / ((((-16) < 0 ) ? -(-16) : (-16)))) >= last_1_var_1_11) ? (var_1_1 == ((unsigned char) var_1_4)) : 1) && (var_1_1 ? ((var_1_11 >= var_1_11) ? ((var_1_1 || (var_1_11 < var_1_11)) ? (var_1_5 == ((double) var_1_7)) : 1) : (var_1_5 == ((double) var_1_7))) : 1)) && ((10.55f < var_1_16) ? ((var_1_16 > (var_1_7 * var_1_16)) ? (var_1_8 == ((double) ((((var_1_7) > (var_1_10)) ? (var_1_7) : (var_1_10))))) : 1) : ((var_1_16 > var_1_7) ? (var_1_8 == ((double) var_1_10)) : (var_1_8 == ((double) var_1_7))))) && (last_1_var_1_1 ? ((((((last_1_var_1_16) > (49.75)) ? (last_1_var_1_16) : (49.75))) > last_1_var_1_16) ? (var_1_11 == ((signed long int) ((((last_1_var_1_15) < ((((((var_1_13 - 5)) > (var_1_14)) ? ((var_1_13 - 5)) : (var_1_14))))) ? (last_1_var_1_15) : ((((((var_1_13 - 5)) > (var_1_14)) ? ((var_1_13 - 5)) : (var_1_14)))))))) : 1) : (var_1_11 == ((signed long int) last_1_var_1_15)))) && (((- var_1_11) > (var_1_11 & var_1_13)) ? ((var_1_11 <= 128) ? (var_1_1 ? (var_1_15 == ((signed long int) var_1_14)) : (var_1_15 == ((signed long int) var_1_14))) : (var_1_15 == ((signed long int) var_1_14))) : (var_1_15 == ((signed long int) var_1_13))) [L221] EXPR var_1_11 & var_1_13 [L221] EXPR ((((((last_1_var_1_11 / ((((-16) < 0 ) ? -(-16) : (-16)))) >= last_1_var_1_11) ? (var_1_1 == ((unsigned char) var_1_4)) : 1) && (var_1_1 ? ((var_1_11 >= var_1_11) ? ((var_1_1 || (var_1_11 < var_1_11)) ? (var_1_5 == ((double) var_1_7)) : 1) : (var_1_5 == ((double) var_1_7))) : 1)) && ((10.55f < var_1_16) ? ((var_1_16 > (var_1_7 * var_1_16)) ? (var_1_8 == ((double) ((((var_1_7) > (var_1_10)) ? (var_1_7) : (var_1_10))))) : 1) : ((var_1_16 > var_1_7) ? (var_1_8 == ((double) var_1_10)) : (var_1_8 == ((double) var_1_7))))) && (last_1_var_1_1 ? ((((((last_1_var_1_16) > (49.75)) ? (last_1_var_1_16) : (49.75))) > last_1_var_1_16) ? (var_1_11 == ((signed long int) ((((last_1_var_1_15) < ((((((var_1_13 - 5)) > (var_1_14)) ? ((var_1_13 - 5)) : (var_1_14))))) ? (last_1_var_1_15) : ((((((var_1_13 - 5)) > (var_1_14)) ? ((var_1_13 - 5)) : (var_1_14)))))))) : 1) : (var_1_11 == ((signed long int) last_1_var_1_15)))) && (((- var_1_11) > (var_1_11 & var_1_13)) ? ((var_1_11 <= 128) ? (var_1_1 ? (var_1_15 == ((signed long int) var_1_14)) : (var_1_15 == ((signed long int) var_1_14))) : (var_1_15 == ((signed long int) var_1_14))) : (var_1_15 == ((signed long int) var_1_13))) [L221-L222] return (((((((last_1_var_1_11 / ((((-16) < 0 ) ? -(-16) : (-16)))) >= last_1_var_1_11) ? (var_1_1 == ((unsigned char) var_1_4)) : 1) && (var_1_1 ? ((var_1_11 >= var_1_11) ? ((var_1_1 || (var_1_11 < var_1_11)) ? (var_1_5 == ((double) var_1_7)) : 1) : (var_1_5 == ((double) var_1_7))) : 1)) && ((10.55f < var_1_16) ? ((var_1_16 > (var_1_7 * var_1_16)) ? (var_1_8 == ((double) ((((var_1_7) > (var_1_10)) ? (var_1_7) : (var_1_10))))) : 1) : ((var_1_16 > var_1_7) ? (var_1_8 == ((double) var_1_10)) : (var_1_8 == ((double) var_1_7))))) && (last_1_var_1_1 ? ((((((last_1_var_1_16) > (49.75)) ? (last_1_var_1_16) : (49.75))) > last_1_var_1_16) ? (var_1_11 == ((signed long int) ((((last_1_var_1_15) < ((((((var_1_13 - 5)) > (var_1_14)) ? ((var_1_13 - 5)) : (var_1_14))))) ? (last_1_var_1_15) : ((((((var_1_13 - 5)) > (var_1_14)) ? ((var_1_13 - 5)) : (var_1_14)))))))) : 1) : (var_1_11 == ((signed long int) last_1_var_1_15)))) && (((- var_1_11) > (var_1_11 & var_1_13)) ? ((var_1_11 <= 128) ? (var_1_1 ? (var_1_15 == ((signed long int) var_1_14)) : (var_1_15 == ((signed long int) var_1_14))) : (var_1_15 == ((signed long int) var_1_14))) : (var_1_15 == ((signed long int) var_1_13)))) && ((((((var_1_5) < (last_1_var_1_16)) ? (var_1_5) : (last_1_var_1_16))) >= var_1_7) ? (var_1_16 == ((double) (var_1_17 + (var_1_18 + 16.75)))) : (var_1_16 == ((double) var_1_17))) ; [L231] RET, EXPR property() [L231] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_11=-2, last_1_var_1_15=1000, last_1_var_1_16=1/5, last_1_var_1_1=1, var_1_10=5/4, var_1_11=0, var_1_13=1, var_1_14=0, var_1_15=1, var_1_16=100000000000004, var_1_17=100000000000004, var_1_19=-4, var_1_1=1, var_1_24=-4, var_1_25=64, var_1_27=0, var_1_28=64, var_1_29=0, var_1_30=0, var_1_31=83/5, var_1_32=1, var_1_33=83/5, var_1_35=256, var_1_36=256, var_1_38=2147483647, var_1_39=4294967294, var_1_40=2147483391, var_1_4=1, var_1_5=5/4, var_1_7=5/4, var_1_8=5/4] [L19] reach_error() VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_11=-2, last_1_var_1_15=1000, last_1_var_1_16=1/5, last_1_var_1_1=1, var_1_10=5/4, var_1_11=0, var_1_13=1, var_1_14=0, var_1_15=1, var_1_16=100000000000004, var_1_17=100000000000004, var_1_19=-4, var_1_1=1, var_1_24=-4, var_1_25=64, var_1_27=0, var_1_28=64, var_1_29=0, var_1_30=0, var_1_31=83/5, var_1_32=1, var_1_33=83/5, var_1_35=256, var_1_36=256, var_1_38=2147483647, var_1_39=4294967294, var_1_40=2147483391, var_1_4=1, var_1_5=5/4, var_1_7=5/4, var_1_8=5/4] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 64 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.7s, OverallIterations: 1, TraceHistogramMax: 33, 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=64occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 125 NumberOfCodeBlocks, 125 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 [2023-12-02 16:42:34,475 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c31e2de0-f739-4e33-9424-f9db1a24b574/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with 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_c31e2de0-f739-4e33-9424-f9db1a24b574/bin/utaipan-verify-nQ1chXbOIh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c31e2de0-f739-4e33-9424-f9db1a24b574/bin/utaipan-verify-nQ1chXbOIh/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c31e2de0-f739-4e33-9424-f9db1a24b574/bin/utaipan-verify-nQ1chXbOIh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c31e2de0-f739-4e33-9424-f9db1a24b574/bin/utaipan-verify-nQ1chXbOIh/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-cn_file-30.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c31e2de0-f739-4e33-9424-f9db1a24b574/bin/utaipan-verify-nQ1chXbOIh/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c31e2de0-f739-4e33-9424-f9db1a24b574/bin/utaipan-verify-nQ1chXbOIh --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 efacc300cffec53724bdb282b9ebc4b6ca0f4c8a44ef6f260f07e3dddedde474 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 16:42:36,434 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 16:42:36,511 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c31e2de0-f739-4e33-9424-f9db1a24b574/bin/utaipan-verify-nQ1chXbOIh/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2023-12-02 16:42:36,517 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-02 16:42:36,517 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-02 16:42:36,544 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 16:42:36,545 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-02 16:42:36,546 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-02 16:42:36,546 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 16:42:36,547 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-02 16:42:36,547 INFO L153 SettingsManager]: * User list type=DISABLED [2023-12-02 16:42:36,548 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-12-02 16:42:36,548 INFO L153 SettingsManager]: * Explicit value domain=true [2023-12-02 16:42:36,549 INFO L153 SettingsManager]: * Octagon Domain=false [2023-12-02 16:42:36,549 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-12-02 16:42:36,550 INFO L153 SettingsManager]: * Interval Domain=false [2023-12-02 16:42:36,551 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 16:42:36,551 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 16:42:36,552 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-02 16:42:36,552 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-02 16:42:36,553 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 16:42:36,554 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 16:42:36,554 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 16:42:36,554 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 16:42:36,555 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-02 16:42:36,555 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-02 16:42:36,556 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-02 16:42:36,556 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-02 16:42:36,557 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 16:42:36,557 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 16:42:36,557 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 16:42:36,558 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-12-02 16:42:36,558 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-02 16:42:36,558 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-02 16:42:36,559 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 16:42:36,559 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 16:42:36,559 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 16:42:36,559 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 16:42:36,560 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-12-02 16:42:36,560 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-02 16:42:36,560 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-02 16:42:36,560 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 16:42:36,561 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-12-02 16:42:36,561 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-02 16:42:36,561 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_c31e2de0-f739-4e33-9424-f9db1a24b574/bin/utaipan-verify-nQ1chXbOIh/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c31e2de0-f739-4e33-9424-f9db1a24b574/bin/utaipan-verify-nQ1chXbOIh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> efacc300cffec53724bdb282b9ebc4b6ca0f4c8a44ef6f260f07e3dddedde474 [2023-12-02 16:42:36,846 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 16:42:36,868 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 16:42:36,870 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 16:42:36,872 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 16:42:36,872 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 16:42:36,873 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c31e2de0-f739-4e33-9424-f9db1a24b574/bin/utaipan-verify-nQ1chXbOIh/../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-cn_file-30.i [2023-12-02 16:42:39,747 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 16:42:39,937 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 16:42:39,937 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c31e2de0-f739-4e33-9424-f9db1a24b574/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-cn_file-30.i [2023-12-02 16:42:39,949 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c31e2de0-f739-4e33-9424-f9db1a24b574/bin/utaipan-verify-nQ1chXbOIh/data/444848d4f/5430fb7bd1894b0cb863657197837cd9/FLAG6a961e81b [2023-12-02 16:42:39,963 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c31e2de0-f739-4e33-9424-f9db1a24b574/bin/utaipan-verify-nQ1chXbOIh/data/444848d4f/5430fb7bd1894b0cb863657197837cd9 [2023-12-02 16:42:39,965 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 16:42:39,967 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 16:42:39,968 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 16:42:39,968 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 16:42:39,972 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 16:42:39,973 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 04:42:39" (1/1) ... [2023-12-02 16:42:39,974 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3bae4a8c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:42:39, skipping insertion in model container [2023-12-02 16:42:39,974 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 04:42:39" (1/1) ... [2023-12-02 16:42:40,011 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 16:42:40,143 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_c31e2de0-f739-4e33-9424-f9db1a24b574/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-cn_file-30.i[919,932] [2023-12-02 16:42:40,233 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 16:42:40,250 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 16:42:40,264 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_c31e2de0-f739-4e33-9424-f9db1a24b574/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-cn_file-30.i[919,932] [2023-12-02 16:42:40,304 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 16:42:40,326 INFO L206 MainTranslator]: Completed translation [2023-12-02 16:42:40,326 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:42:40 WrapperNode [2023-12-02 16:42:40,327 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 16:42:40,328 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 16:42:40,328 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 16:42:40,328 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 16:42:40,336 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:42:40" (1/1) ... [2023-12-02 16:42:40,354 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:42:40" (1/1) ... [2023-12-02 16:42:40,391 INFO L138 Inliner]: procedures = 27, calls = 46, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 230 [2023-12-02 16:42:40,392 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 16:42:40,393 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 16:42:40,393 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 16:42:40,393 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 16:42:40,404 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:42:40" (1/1) ... [2023-12-02 16:42:40,404 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:42:40" (1/1) ... [2023-12-02 16:42:40,411 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:42:40" (1/1) ... [2023-12-02 16:42:40,412 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:42:40" (1/1) ... [2023-12-02 16:42:40,429 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:42:40" (1/1) ... [2023-12-02 16:42:40,434 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:42:40" (1/1) ... [2023-12-02 16:42:40,438 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:42:40" (1/1) ... [2023-12-02 16:42:40,442 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:42:40" (1/1) ... [2023-12-02 16:42:40,448 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 16:42:40,450 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 16:42:40,450 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 16:42:40,450 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 16:42:40,451 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:42:40" (1/1) ... [2023-12-02 16:42:40,458 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 16:42:40,481 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c31e2de0-f739-4e33-9424-f9db1a24b574/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 16:42:40,498 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c31e2de0-f739-4e33-9424-f9db1a24b574/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-12-02 16:42:40,501 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c31e2de0-f739-4e33-9424-f9db1a24b574/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-12-02 16:42:40,535 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 16:42:40,535 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-12-02 16:42:40,535 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-12-02 16:42:40,536 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-12-02 16:42:40,536 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 16:42:40,536 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 16:42:40,640 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 16:42:40,643 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 16:42:54,740 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 16:42:54,789 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 16:42:54,789 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-02 16:42:54,790 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 04:42:54 BoogieIcfgContainer [2023-12-02 16:42:54,790 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 16:42:54,793 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-02 16:42:54,793 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-02 16:42:54,796 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-02 16:42:54,796 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 04:42:39" (1/3) ... [2023-12-02 16:42:54,797 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@66d8407b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 04:42:54, skipping insertion in model container [2023-12-02 16:42:54,797 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:42:40" (2/3) ... [2023-12-02 16:42:54,797 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@66d8407b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 04:42:54, skipping insertion in model container [2023-12-02 16:42:54,798 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 04:42:54" (3/3) ... [2023-12-02 16:42:54,799 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodestructure_filler-pe-cn_file-30.i [2023-12-02 16:42:54,815 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-02 16:42:54,815 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-12-02 16:42:54,861 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-02 16:42:54,867 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;@5c979857, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-02 16:42:54,868 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-12-02 16:42:54,872 INFO L276 IsEmpty]: Start isEmpty. Operand has 97 states, 61 states have (on average 1.4918032786885247) internal successors, (91), 62 states have internal predecessors, (91), 33 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 33 states have call predecessors, (33), 33 states have call successors, (33) [2023-12-02 16:42:54,888 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 211 [2023-12-02 16:42:54,889 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 16:42:54,890 INFO L195 NwaCegarLoop]: trace histogram [33, 33, 33, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 16:42:54,890 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 16:42:54,894 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 16:42:54,895 INFO L85 PathProgramCache]: Analyzing trace with hash 673800402, now seen corresponding path program 1 times [2023-12-02 16:42:54,908 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-12-02 16:42:54,909 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1897423744] [2023-12-02 16:42:54,909 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 16:42:54,910 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 [2023-12-02 16:42:54,910 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c31e2de0-f739-4e33-9424-f9db1a24b574/bin/utaipan-verify-nQ1chXbOIh/mathsat [2023-12-02 16:42:54,911 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c31e2de0-f739-4e33-9424-f9db1a24b574/bin/utaipan-verify-nQ1chXbOIh/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) [2023-12-02 16:42:54,917 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c31e2de0-f739-4e33-9424-f9db1a24b574/bin/utaipan-verify-nQ1chXbOIh/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 [2023-12-02 16:42:56,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 16:42:56,592 INFO L262 TraceCheckSpWp]: Trace formula consists of 343 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-02 16:42:56,605 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 16:42:56,663 INFO L134 CoverageAnalysis]: Checked inductivity of 2112 backedges. 892 proven. 0 refuted. 0 times theorem prover too weak. 1220 trivial. 0 not checked. [2023-12-02 16:42:56,663 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-02 16:42:56,664 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-12-02 16:42:56,664 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1897423744] [2023-12-02 16:42:56,665 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1897423744] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 16:42:56,665 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 16:42:56,666 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-02 16:42:56,667 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [777475989] [2023-12-02 16:42:56,668 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 16:42:56,673 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-12-02 16:42:56,673 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-12-02 16:42:56,701 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-12-02 16:42:56,701 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-12-02 16:42:56,704 INFO L87 Difference]: Start difference. First operand has 97 states, 61 states have (on average 1.4918032786885247) internal successors, (91), 62 states have internal predecessors, (91), 33 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 33 states have call predecessors, (33), 33 states have call successors, (33) Second operand has 2 states, 2 states have (on average 26.0) internal successors, (52), 2 states have internal predecessors, (52), 2 states have call successors, (33), 2 states have call predecessors, (33), 2 states have return successors, (33), 2 states have call predecessors, (33), 2 states have call successors, (33) [2023-12-02 16:42:59,049 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.22s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 16:42:59,050 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 16:42:59,051 INFO L93 Difference]: Finished difference Result 191 states and 345 transitions. [2023-12-02 16:42:59,101 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-02 16:42:59,103 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 26.0) internal successors, (52), 2 states have internal predecessors, (52), 2 states have call successors, (33), 2 states have call predecessors, (33), 2 states have return successors, (33), 2 states have call predecessors, (33), 2 states have call successors, (33) Word has length 210 [2023-12-02 16:42:59,103 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 16:42:59,112 INFO L225 Difference]: With dead ends: 191 [2023-12-02 16:42:59,112 INFO L226 Difference]: Without dead ends: 95 [2023-12-02 16:42:59,116 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 209 GetRequests, 209 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-12-02 16:42:59,120 INFO L413 NwaCegarLoop]: 149 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 149 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2023-12-02 16:42:59,121 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 149 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 1 Unknown, 0 Unchecked, 2.3s Time] [2023-12-02 16:42:59,135 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 95 states. [2023-12-02 16:42:59,164 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 95 to 95. [2023-12-02 16:42:59,166 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 95 states, 60 states have (on average 1.4333333333333333) internal successors, (86), 60 states have internal predecessors, (86), 33 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 33 states have call predecessors, (33), 33 states have call successors, (33) [2023-12-02 16:42:59,169 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 95 states and 152 transitions. [2023-12-02 16:42:59,170 INFO L78 Accepts]: Start accepts. Automaton has 95 states and 152 transitions. Word has length 210 [2023-12-02 16:42:59,171 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 16:42:59,171 INFO L495 AbstractCegarLoop]: Abstraction has 95 states and 152 transitions. [2023-12-02 16:42:59,172 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 26.0) internal successors, (52), 2 states have internal predecessors, (52), 2 states have call successors, (33), 2 states have call predecessors, (33), 2 states have return successors, (33), 2 states have call predecessors, (33), 2 states have call successors, (33) [2023-12-02 16:42:59,172 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 152 transitions. [2023-12-02 16:42:59,177 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 211 [2023-12-02 16:42:59,177 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 16:42:59,178 INFO L195 NwaCegarLoop]: trace histogram [33, 33, 33, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 16:42:59,203 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c31e2de0-f739-4e33-9424-f9db1a24b574/bin/utaipan-verify-nQ1chXbOIh/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 [2023-12-02 16:42:59,380 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c31e2de0-f739-4e33-9424-f9db1a24b574/bin/utaipan-verify-nQ1chXbOIh/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 [2023-12-02 16:42:59,381 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 16:42:59,381 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 16:42:59,382 INFO L85 PathProgramCache]: Analyzing trace with hash 105293916, now seen corresponding path program 1 times [2023-12-02 16:42:59,383 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-12-02 16:42:59,383 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1266545327] [2023-12-02 16:42:59,383 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 16:42:59,384 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 [2023-12-02 16:42:59,384 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c31e2de0-f739-4e33-9424-f9db1a24b574/bin/utaipan-verify-nQ1chXbOIh/mathsat [2023-12-02 16:42:59,385 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c31e2de0-f739-4e33-9424-f9db1a24b574/bin/utaipan-verify-nQ1chXbOIh/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) [2023-12-02 16:42:59,386 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c31e2de0-f739-4e33-9424-f9db1a24b574/bin/utaipan-verify-nQ1chXbOIh/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 [2023-12-02 16:43:00,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 16:43:00,982 INFO L262 TraceCheckSpWp]: Trace formula consists of 343 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 16:43:00,992 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 16:43:02,854 INFO L134 CoverageAnalysis]: Checked inductivity of 2112 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2112 trivial. 0 not checked. [2023-12-02 16:43:02,854 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-02 16:43:02,854 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-12-02 16:43:02,854 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1266545327] [2023-12-02 16:43:02,855 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1266545327] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 16:43:02,855 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 16:43:02,855 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-02 16:43:02,855 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [223922490] [2023-12-02 16:43:02,855 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 16:43:02,857 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-02 16:43:02,857 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-12-02 16:43:02,858 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-02 16:43:02,858 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-12-02 16:43:02,858 INFO L87 Difference]: Start difference. First operand 95 states and 152 transitions. Second operand has 4 states, 4 states have (on average 12.0) internal successors, (48), 3 states have internal predecessors, (48), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) [2023-12-02 16:43:05,525 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.15s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 16:43:07,537 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 16:43:09,251 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.71s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 16:43:10,445 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.19s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 16:43:12,628 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.14s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 16:43:14,633 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 16:43:14,634 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 16:43:14,634 INFO L93 Difference]: Finished difference Result 314 states and 507 transitions. [2023-12-02 16:43:14,685 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 16:43:14,685 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 12.0) internal successors, (48), 3 states have internal predecessors, (48), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) Word has length 210 [2023-12-02 16:43:14,686 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 16:43:14,689 INFO L225 Difference]: With dead ends: 314 [2023-12-02 16:43:14,690 INFO L226 Difference]: Without dead ends: 220 [2023-12-02 16:43:14,691 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 210 GetRequests, 207 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-12-02 16:43:14,692 INFO L413 NwaCegarLoop]: 194 mSDtfsCounter, 139 mSDsluCounter, 290 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 69 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 139 SdHoareTripleChecker+Valid, 484 SdHoareTripleChecker+Invalid, 90 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 69 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.7s IncrementalHoareTripleChecker+Time [2023-12-02 16:43:14,693 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [139 Valid, 484 Invalid, 90 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [69 Valid, 17 Invalid, 4 Unknown, 0 Unchecked, 11.7s Time] [2023-12-02 16:43:14,694 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 220 states. [2023-12-02 16:43:14,730 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 220 to 187. [2023-12-02 16:43:14,730 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 187 states, 118 states have (on average 1.4152542372881356) internal successors, (167), 118 states have internal predecessors, (167), 66 states have call successors, (66), 2 states have call predecessors, (66), 2 states have return successors, (66), 66 states have call predecessors, (66), 66 states have call successors, (66) [2023-12-02 16:43:14,733 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 187 states to 187 states and 299 transitions. [2023-12-02 16:43:14,733 INFO L78 Accepts]: Start accepts. Automaton has 187 states and 299 transitions. Word has length 210 [2023-12-02 16:43:14,734 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 16:43:14,735 INFO L495 AbstractCegarLoop]: Abstraction has 187 states and 299 transitions. [2023-12-02 16:43:14,735 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.0) internal successors, (48), 3 states have internal predecessors, (48), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) [2023-12-02 16:43:14,735 INFO L276 IsEmpty]: Start isEmpty. Operand 187 states and 299 transitions. [2023-12-02 16:43:14,739 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 212 [2023-12-02 16:43:14,739 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 16:43:14,740 INFO L195 NwaCegarLoop]: trace histogram [33, 33, 33, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 16:43:14,765 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c31e2de0-f739-4e33-9424-f9db1a24b574/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Ended with exit code 0 [2023-12-02 16:43:14,944 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c31e2de0-f739-4e33-9424-f9db1a24b574/bin/utaipan-verify-nQ1chXbOIh/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 [2023-12-02 16:43:14,945 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 16:43:14,945 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 16:43:14,945 INFO L85 PathProgramCache]: Analyzing trace with hash -1758869375, now seen corresponding path program 1 times [2023-12-02 16:43:14,946 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-12-02 16:43:14,947 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [136029037] [2023-12-02 16:43:14,947 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 16:43:14,947 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 [2023-12-02 16:43:14,947 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c31e2de0-f739-4e33-9424-f9db1a24b574/bin/utaipan-verify-nQ1chXbOIh/mathsat [2023-12-02 16:43:14,948 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c31e2de0-f739-4e33-9424-f9db1a24b574/bin/utaipan-verify-nQ1chXbOIh/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) [2023-12-02 16:43:14,949 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c31e2de0-f739-4e33-9424-f9db1a24b574/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2023-12-02 16:43:16,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 16:43:16,612 INFO L262 TraceCheckSpWp]: Trace formula consists of 344 conjuncts, 8 conjunts are in the unsatisfiable core [2023-12-02 16:43:16,618 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 16:43:20,289 INFO L134 CoverageAnalysis]: Checked inductivity of 2112 backedges. 66 proven. 186 refuted. 0 times theorem prover too weak. 1860 trivial. 0 not checked. [2023-12-02 16:43:20,290 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 16:43:21,374 INFO L134 CoverageAnalysis]: Checked inductivity of 2112 backedges. 0 proven. 96 refuted. 0 times theorem prover too weak. 2016 trivial. 0 not checked. [2023-12-02 16:43:21,374 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-12-02 16:43:21,374 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [136029037] [2023-12-02 16:43:21,375 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [136029037] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-02 16:43:21,375 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [118792103] [2023-12-02 16:43:21,375 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 16:43:21,375 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 16:43:21,375 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c31e2de0-f739-4e33-9424-f9db1a24b574/bin/utaipan-verify-nQ1chXbOIh/cvc4 [2023-12-02 16:43:21,377 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c31e2de0-f739-4e33-9424-f9db1a24b574/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 16:43:21,378 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c31e2de0-f739-4e33-9424-f9db1a24b574/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2023-12-02 16:43:24,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 16:43:24,507 INFO L262 TraceCheckSpWp]: Trace formula consists of 344 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 16:43:24,512 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 16:43:24,813 INFO L134 CoverageAnalysis]: Checked inductivity of 2112 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2112 trivial. 0 not checked. [2023-12-02 16:43:24,813 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-02 16:43:24,813 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [118792103] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 16:43:24,813 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2023-12-02 16:43:24,814 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [9, 6] total 14 [2023-12-02 16:43:24,814 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1648447897] [2023-12-02 16:43:24,814 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 16:43:24,815 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-02 16:43:24,815 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-12-02 16:43:24,816 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-02 16:43:24,816 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=138, Unknown=0, NotChecked=0, Total=182 [2023-12-02 16:43:24,817 INFO L87 Difference]: Start difference. First operand 187 states and 299 transitions. Second operand has 4 states, 4 states have (on average 12.25) internal successors, (49), 4 states have internal predecessors, (49), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) [2023-12-02 16:43:25,936 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.04s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 16:43:28,098 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.13s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 16:43:30,361 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.17s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 16:43:32,365 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 16:43:34,370 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 16:43:36,374 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 16:43:36,627 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 16:43:36,627 INFO L93 Difference]: Finished difference Result 561 states and 897 transitions. [2023-12-02 16:43:36,628 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 16:43:36,628 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 12.25) internal successors, (49), 4 states have internal predecessors, (49), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) Word has length 211 [2023-12-02 16:43:36,630 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 16:43:36,635 INFO L225 Difference]: With dead ends: 561 [2023-12-02 16:43:36,635 INFO L226 Difference]: Without dead ends: 375 [2023-12-02 16:43:36,637 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 630 GetRequests, 617 SyntacticMatches, 1 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 40 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=44, Invalid=138, Unknown=0, NotChecked=0, Total=182 [2023-12-02 16:43:36,638 INFO L413 NwaCegarLoop]: 275 mSDtfsCounter, 142 mSDsluCounter, 288 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 2 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 142 SdHoareTripleChecker+Valid, 563 SdHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.7s IncrementalHoareTripleChecker+Time [2023-12-02 16:43:36,638 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [142 Valid, 563 Invalid, 26 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 19 Invalid, 5 Unknown, 0 Unchecked, 11.7s Time] [2023-12-02 16:43:36,640 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 375 states. [2023-12-02 16:43:36,717 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 375 to 371. [2023-12-02 16:43:36,719 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 371 states, 234 states have (on average 1.4017094017094016) internal successors, (328), 234 states have internal predecessors, (328), 132 states have call successors, (132), 4 states have call predecessors, (132), 4 states have return successors, (132), 132 states have call predecessors, (132), 132 states have call successors, (132) [2023-12-02 16:43:36,723 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 371 states to 371 states and 592 transitions. [2023-12-02 16:43:36,723 INFO L78 Accepts]: Start accepts. Automaton has 371 states and 592 transitions. Word has length 211 [2023-12-02 16:43:36,724 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 16:43:36,725 INFO L495 AbstractCegarLoop]: Abstraction has 371 states and 592 transitions. [2023-12-02 16:43:36,725 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.25) internal successors, (49), 4 states have internal predecessors, (49), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) [2023-12-02 16:43:36,725 INFO L276 IsEmpty]: Start isEmpty. Operand 371 states and 592 transitions. [2023-12-02 16:43:36,729 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 212 [2023-12-02 16:43:36,729 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 16:43:36,729 INFO L195 NwaCegarLoop]: trace histogram [33, 33, 33, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 16:43:36,758 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c31e2de0-f739-4e33-9424-f9db1a24b574/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Ended with exit code 0 [2023-12-02 16:43:36,948 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c31e2de0-f739-4e33-9424-f9db1a24b574/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt (5)] Ended with exit code 0 [2023-12-02 16:43:37,131 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c31e2de0-f739-4e33-9424-f9db1a24b574/bin/utaipan-verify-nQ1chXbOIh/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 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c31e2de0-f739-4e33-9424-f9db1a24b574/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt [2023-12-02 16:43:37,131 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 16:43:37,132 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 16:43:37,132 INFO L85 PathProgramCache]: Analyzing trace with hash -1500703937, now seen corresponding path program 1 times [2023-12-02 16:43:37,133 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-12-02 16:43:37,133 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1339909101] [2023-12-02 16:43:37,133 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 16:43:37,133 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 [2023-12-02 16:43:37,133 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c31e2de0-f739-4e33-9424-f9db1a24b574/bin/utaipan-verify-nQ1chXbOIh/mathsat [2023-12-02 16:43:37,134 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c31e2de0-f739-4e33-9424-f9db1a24b574/bin/utaipan-verify-nQ1chXbOIh/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) [2023-12-02 16:43:37,134 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c31e2de0-f739-4e33-9424-f9db1a24b574/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2023-12-02 16:43:38,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 16:43:38,713 INFO L262 TraceCheckSpWp]: Trace formula consists of 343 conjuncts, 8 conjunts are in the unsatisfiable core [2023-12-02 16:43:38,718 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 16:43:42,055 INFO L134 CoverageAnalysis]: Checked inductivity of 2112 backedges. 66 proven. 186 refuted. 0 times theorem prover too weak. 1860 trivial. 0 not checked. [2023-12-02 16:43:42,056 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 16:43:43,029 INFO L134 CoverageAnalysis]: Checked inductivity of 2112 backedges. 0 proven. 96 refuted. 0 times theorem prover too weak. 2016 trivial. 0 not checked. [2023-12-02 16:43:43,029 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-12-02 16:43:43,030 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1339909101] [2023-12-02 16:43:43,030 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1339909101] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-02 16:43:43,030 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [2068646054] [2023-12-02 16:43:43,030 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 16:43:43,030 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 16:43:43,030 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c31e2de0-f739-4e33-9424-f9db1a24b574/bin/utaipan-verify-nQ1chXbOIh/cvc4 [2023-12-02 16:43:43,031 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c31e2de0-f739-4e33-9424-f9db1a24b574/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 16:43:43,033 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c31e2de0-f739-4e33-9424-f9db1a24b574/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2023-12-02 16:43:46,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 16:43:46,166 INFO L262 TraceCheckSpWp]: Trace formula consists of 343 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 16:43:46,170 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 16:43:48,018 INFO L134 CoverageAnalysis]: Checked inductivity of 2112 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2112 trivial. 0 not checked. [2023-12-02 16:43:48,019 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-02 16:43:48,019 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [2068646054] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 16:43:48,019 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2023-12-02 16:43:48,019 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [9, 6] total 14 [2023-12-02 16:43:48,019 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1354078270] [2023-12-02 16:43:48,020 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 16:43:48,020 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-02 16:43:48,020 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-12-02 16:43:48,021 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-02 16:43:48,021 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=138, Unknown=0, NotChecked=0, Total=182 [2023-12-02 16:43:48,021 INFO L87 Difference]: Start difference. First operand 371 states and 592 transitions. Second operand has 4 states, 4 states have (on average 12.25) internal successors, (49), 3 states have internal predecessors, (49), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) [2023-12-02 16:43:50,913 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.12s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 16:43:52,917 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 16:43:55,161 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.16s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 16:43:57,164 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 16:43:59,168 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 16:44:01,172 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 16:44:02,528 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.35s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 16:44:04,677 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.11s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 16:44:07,546 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 16:44:09,549 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 16:44:09,600 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 16:44:09,600 INFO L93 Difference]: Finished difference Result 833 states and 1328 transitions. [2023-12-02 16:44:09,600 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 16:44:09,601 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 12.25) internal successors, (49), 3 states have internal predecessors, (49), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) Word has length 211 [2023-12-02 16:44:09,601 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 16:44:09,605 INFO L225 Difference]: With dead ends: 833 [2023-12-02 16:44:09,605 INFO L226 Difference]: Without dead ends: 463 [2023-12-02 16:44:09,607 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 630 GetRequests, 617 SyntacticMatches, 1 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 40 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=44, Invalid=138, Unknown=0, NotChecked=0, Total=182 [2023-12-02 16:44:09,608 INFO L413 NwaCegarLoop]: 291 mSDtfsCounter, 159 mSDsluCounter, 221 mSDsCounter, 0 mSdLazyCounter, 82 mSolverCounterSat, 1 mSolverCounterUnsat, 9 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 21.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 159 SdHoareTripleChecker+Valid, 512 SdHoareTripleChecker+Invalid, 92 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 82 IncrementalHoareTripleChecker+Invalid, 9 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 21.5s IncrementalHoareTripleChecker+Time [2023-12-02 16:44:09,609 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [159 Valid, 512 Invalid, 92 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 82 Invalid, 9 Unknown, 0 Unchecked, 21.5s Time] [2023-12-02 16:44:09,610 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 463 states. [2023-12-02 16:44:09,647 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 463 to 187. [2023-12-02 16:44:09,647 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 187 states, 118 states have (on average 1.38135593220339) internal successors, (163), 118 states have internal predecessors, (163), 66 states have call successors, (66), 2 states have call predecessors, (66), 2 states have return successors, (66), 66 states have call predecessors, (66), 66 states have call successors, (66) [2023-12-02 16:44:09,649 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 187 states to 187 states and 295 transitions. [2023-12-02 16:44:09,650 INFO L78 Accepts]: Start accepts. Automaton has 187 states and 295 transitions. Word has length 211 [2023-12-02 16:44:09,651 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 16:44:09,651 INFO L495 AbstractCegarLoop]: Abstraction has 187 states and 295 transitions. [2023-12-02 16:44:09,651 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.25) internal successors, (49), 3 states have internal predecessors, (49), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) [2023-12-02 16:44:09,651 INFO L276 IsEmpty]: Start isEmpty. Operand 187 states and 295 transitions. [2023-12-02 16:44:09,654 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 213 [2023-12-02 16:44:09,654 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 16:44:09,655 INFO L195 NwaCegarLoop]: trace histogram [33, 33, 33, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 16:44:09,680 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c31e2de0-f739-4e33-9424-f9db1a24b574/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt (7)] Forceful destruction successful, exit code 0 [2023-12-02 16:44:09,878 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c31e2de0-f739-4e33-9424-f9db1a24b574/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Ended with exit code 0 [2023-12-02 16:44:10,055 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c31e2de0-f739-4e33-9424-f9db1a24b574/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c31e2de0-f739-4e33-9424-f9db1a24b574/bin/utaipan-verify-nQ1chXbOIh/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 [2023-12-02 16:44:10,056 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 16:44:10,056 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 16:44:10,056 INFO L85 PathProgramCache]: Analyzing trace with hash 1063935131, now seen corresponding path program 1 times [2023-12-02 16:44:10,057 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-12-02 16:44:10,057 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [887375198] [2023-12-02 16:44:10,057 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 16:44:10,057 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 [2023-12-02 16:44:10,057 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c31e2de0-f739-4e33-9424-f9db1a24b574/bin/utaipan-verify-nQ1chXbOIh/mathsat [2023-12-02 16:44:10,058 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c31e2de0-f739-4e33-9424-f9db1a24b574/bin/utaipan-verify-nQ1chXbOIh/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) [2023-12-02 16:44:10,059 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c31e2de0-f739-4e33-9424-f9db1a24b574/bin/utaipan-verify-nQ1chXbOIh/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 [2023-12-02 16:44:11,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 16:44:11,702 INFO L262 TraceCheckSpWp]: Trace formula consists of 345 conjuncts, 8 conjunts are in the unsatisfiable core [2023-12-02 16:44:11,706 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 16:44:14,915 INFO L134 CoverageAnalysis]: Checked inductivity of 2112 backedges. 66 proven. 186 refuted. 0 times theorem prover too weak. 1860 trivial. 0 not checked. [2023-12-02 16:44:14,915 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 16:44:15,830 INFO L134 CoverageAnalysis]: Checked inductivity of 2112 backedges. 0 proven. 96 refuted. 0 times theorem prover too weak. 2016 trivial. 0 not checked. [2023-12-02 16:44:15,831 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-12-02 16:44:15,831 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [887375198] [2023-12-02 16:44:15,831 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [887375198] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-02 16:44:15,831 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1701348367] [2023-12-02 16:44:15,831 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 16:44:15,831 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 16:44:15,832 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c31e2de0-f739-4e33-9424-f9db1a24b574/bin/utaipan-verify-nQ1chXbOIh/cvc4 [2023-12-02 16:44:15,833 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c31e2de0-f739-4e33-9424-f9db1a24b574/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 16:44:15,834 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c31e2de0-f739-4e33-9424-f9db1a24b574/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt (9)] Waiting until timeout for monitored process [2023-12-02 16:44:19,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 16:44:19,524 INFO L262 TraceCheckSpWp]: Trace formula consists of 345 conjuncts, 6 conjunts are in the unsatisfiable core [2023-12-02 16:44:19,530 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 16:44:21,028 INFO L134 CoverageAnalysis]: Checked inductivity of 2112 backedges. 32 proven. 96 refuted. 0 times theorem prover too weak. 1984 trivial. 0 not checked. [2023-12-02 16:44:21,028 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 16:44:21,707 INFO L134 CoverageAnalysis]: Checked inductivity of 2112 backedges. 0 proven. 96 refuted. 0 times theorem prover too weak. 2016 trivial. 0 not checked. [2023-12-02 16:44:21,707 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1701348367] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-02 16:44:21,707 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1995236993] [2023-12-02 16:44:21,707 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 16:44:21,708 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 16:44:21,708 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c31e2de0-f739-4e33-9424-f9db1a24b574/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 16:44:21,709 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c31e2de0-f739-4e33-9424-f9db1a24b574/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-02 16:44:21,712 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c31e2de0-f739-4e33-9424-f9db1a24b574/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2023-12-02 16:44:23,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 16:44:23,475 INFO L262 TraceCheckSpWp]: Trace formula consists of 345 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-02 16:44:23,481 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 16:44:25,095 INFO L134 CoverageAnalysis]: Checked inductivity of 2112 backedges. 32 proven. 96 refuted. 0 times theorem prover too weak. 1984 trivial. 0 not checked. [2023-12-02 16:44:25,095 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 16:44:25,822 INFO L134 CoverageAnalysis]: Checked inductivity of 2112 backedges. 0 proven. 96 refuted. 0 times theorem prover too weak. 2016 trivial. 0 not checked. [2023-12-02 16:44:25,822 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1995236993] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-02 16:44:25,823 INFO L185 FreeRefinementEngine]: Found 0 perfect and 6 imperfect interpolant sequences. [2023-12-02 16:44:25,823 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 6, 6, 6, 6, 6] total 12 [2023-12-02 16:44:25,823 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1274847456] [2023-12-02 16:44:25,823 INFO L85 oduleStraightlineAll]: Using 6 imperfect interpolants to construct interpolant automaton [2023-12-02 16:44:25,825 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-12-02 16:44:25,825 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-12-02 16:44:25,826 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-12-02 16:44:25,827 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=93, Unknown=0, NotChecked=0, Total=132 [2023-12-02 16:44:25,827 INFO L87 Difference]: Start difference. First operand 187 states and 295 transitions. Second operand has 12 states, 12 states have (on average 7.75) internal successors, (93), 12 states have internal predecessors, (93), 3 states have call successors, (96), 3 states have call predecessors, (96), 6 states have return successors, (98), 2 states have call predecessors, (98), 3 states have call successors, (98) [2023-12-02 16:44:30,390 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.14s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 16:44:32,394 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 16:44:34,400 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 16:44:36,403 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 16:44:37,582 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.18s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 16:44:37,687 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 16:44:37,687 INFO L93 Difference]: Finished difference Result 302 states and 461 transitions. [2023-12-02 16:44:37,688 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-12-02 16:44:37,688 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 7.75) internal successors, (93), 12 states have internal predecessors, (93), 3 states have call successors, (96), 3 states have call predecessors, (96), 6 states have return successors, (98), 2 states have call predecessors, (98), 3 states have call successors, (98) Word has length 212 [2023-12-02 16:44:37,689 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 16:44:37,691 INFO L225 Difference]: With dead ends: 302 [2023-12-02 16:44:37,691 INFO L226 Difference]: Without dead ends: 208 [2023-12-02 16:44:37,692 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1277 GetRequests, 1253 SyntacticMatches, 5 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 84 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=142, Invalid=278, Unknown=0, NotChecked=0, Total=420 [2023-12-02 16:44:37,692 INFO L413 NwaCegarLoop]: 111 mSDtfsCounter, 269 mSDsluCounter, 221 mSDsCounter, 0 mSdLazyCounter, 283 mSolverCounterSat, 141 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 270 SdHoareTripleChecker+Valid, 332 SdHoareTripleChecker+Invalid, 428 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 141 IncrementalHoareTripleChecker+Valid, 283 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.3s IncrementalHoareTripleChecker+Time [2023-12-02 16:44:37,693 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [270 Valid, 332 Invalid, 428 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [141 Valid, 283 Invalid, 4 Unknown, 0 Unchecked, 11.3s Time] [2023-12-02 16:44:37,693 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 208 states. [2023-12-02 16:44:37,730 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 208 to 203. [2023-12-02 16:44:37,730 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 203 states, 130 states have (on average 1.3307692307692307) internal successors, (173), 130 states have internal predecessors, (173), 66 states have call successors, (66), 6 states have call predecessors, (66), 6 states have return successors, (66), 66 states have call predecessors, (66), 66 states have call successors, (66) [2023-12-02 16:44:37,731 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 203 states to 203 states and 305 transitions. [2023-12-02 16:44:37,732 INFO L78 Accepts]: Start accepts. Automaton has 203 states and 305 transitions. Word has length 212 [2023-12-02 16:44:37,732 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 16:44:37,732 INFO L495 AbstractCegarLoop]: Abstraction has 203 states and 305 transitions. [2023-12-02 16:44:37,733 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 7.75) internal successors, (93), 12 states have internal predecessors, (93), 3 states have call successors, (96), 3 states have call predecessors, (96), 6 states have return successors, (98), 2 states have call predecessors, (98), 3 states have call successors, (98) [2023-12-02 16:44:37,733 INFO L276 IsEmpty]: Start isEmpty. Operand 203 states and 305 transitions. [2023-12-02 16:44:37,734 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 214 [2023-12-02 16:44:37,734 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 16:44:37,735 INFO L195 NwaCegarLoop]: trace histogram [33, 33, 33, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 16:44:37,766 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c31e2de0-f739-4e33-9424-f9db1a24b574/bin/utaipan-verify-nQ1chXbOIh/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 [2023-12-02 16:44:38,028 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c31e2de0-f739-4e33-9424-f9db1a24b574/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2023-12-02 16:44:38,154 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c31e2de0-f739-4e33-9424-f9db1a24b574/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt (9)] Forceful destruction successful, exit code 0 [2023-12-02 16:44:38,335 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c31e2de0-f739-4e33-9424-f9db1a24b574/bin/utaipan-verify-nQ1chXbOIh/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 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c31e2de0-f739-4e33-9424-f9db1a24b574/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true,9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c31e2de0-f739-4e33-9424-f9db1a24b574/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt [2023-12-02 16:44:38,336 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 16:44:38,336 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 16:44:38,336 INFO L85 PathProgramCache]: Analyzing trace with hash 47621318, now seen corresponding path program 1 times [2023-12-02 16:44:38,337 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-12-02 16:44:38,337 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [299077836] [2023-12-02 16:44:38,337 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 16:44:38,337 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 [2023-12-02 16:44:38,337 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c31e2de0-f739-4e33-9424-f9db1a24b574/bin/utaipan-verify-nQ1chXbOIh/mathsat [2023-12-02 16:44:38,338 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c31e2de0-f739-4e33-9424-f9db1a24b574/bin/utaipan-verify-nQ1chXbOIh/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) [2023-12-02 16:44:38,339 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c31e2de0-f739-4e33-9424-f9db1a24b574/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (11)] Waiting until timeout for monitored process [2023-12-02 16:44:39,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 16:44:39,915 INFO L262 TraceCheckSpWp]: Trace formula consists of 347 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-02 16:44:39,918 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 16:44:39,959 INFO L134 CoverageAnalysis]: Checked inductivity of 2112 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2112 trivial. 0 not checked. [2023-12-02 16:44:39,959 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-02 16:44:39,959 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-12-02 16:44:39,959 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [299077836] [2023-12-02 16:44:39,959 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [299077836] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 16:44:39,959 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 16:44:39,959 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-02 16:44:39,960 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [967033856] [2023-12-02 16:44:39,960 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 16:44:39,960 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-02 16:44:39,960 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-12-02 16:44:39,961 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-02 16:44:39,961 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-02 16:44:39,961 INFO L87 Difference]: Start difference. First operand 203 states and 305 transitions. Second operand has 3 states, 3 states have (on average 17.0) internal successors, (51), 3 states have internal predecessors, (51), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) [2023-12-02 16:44:41,326 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.31s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 16:44:43,769 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.13s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 16:44:45,771 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 16:44:45,856 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 16:44:45,856 INFO L93 Difference]: Finished difference Result 405 states and 609 transitions. [2023-12-02 16:44:45,857 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 16:44:45,857 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 17.0) internal successors, (51), 3 states have internal predecessors, (51), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) Word has length 213 [2023-12-02 16:44:45,858 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 16:44:45,859 INFO L225 Difference]: With dead ends: 405 [2023-12-02 16:44:45,860 INFO L226 Difference]: Without dead ends: 203 [2023-12-02 16:44:45,860 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 212 GetRequests, 211 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-02 16:44:45,861 INFO L413 NwaCegarLoop]: 137 mSDtfsCounter, 40 mSDsluCounter, 99 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 0 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 40 SdHoareTripleChecker+Valid, 236 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.9s IncrementalHoareTripleChecker+Time [2023-12-02 16:44:45,861 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [40 Valid, 236 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 14 Invalid, 2 Unknown, 0 Unchecked, 5.9s Time] [2023-12-02 16:44:45,862 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 203 states. [2023-12-02 16:44:45,889 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 203 to 203. [2023-12-02 16:44:45,889 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 203 states, 130 states have (on average 1.3153846153846154) internal successors, (171), 130 states have internal predecessors, (171), 66 states have call successors, (66), 6 states have call predecessors, (66), 6 states have return successors, (66), 66 states have call predecessors, (66), 66 states have call successors, (66) [2023-12-02 16:44:45,891 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 203 states to 203 states and 303 transitions. [2023-12-02 16:44:45,891 INFO L78 Accepts]: Start accepts. Automaton has 203 states and 303 transitions. Word has length 213 [2023-12-02 16:44:45,891 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 16:44:45,891 INFO L495 AbstractCegarLoop]: Abstraction has 203 states and 303 transitions. [2023-12-02 16:44:45,892 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 17.0) internal successors, (51), 3 states have internal predecessors, (51), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) [2023-12-02 16:44:45,892 INFO L276 IsEmpty]: Start isEmpty. Operand 203 states and 303 transitions. [2023-12-02 16:44:45,893 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 215 [2023-12-02 16:44:45,893 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 16:44:45,893 INFO L195 NwaCegarLoop]: trace histogram [33, 33, 33, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 16:44:45,917 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c31e2de0-f739-4e33-9424-f9db1a24b574/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (11)] Ended with exit code 0 [2023-12-02 16:44:46,093 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c31e2de0-f739-4e33-9424-f9db1a24b574/bin/utaipan-verify-nQ1chXbOIh/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 [2023-12-02 16:44:46,094 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 16:44:46,094 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 16:44:46,094 INFO L85 PathProgramCache]: Analyzing trace with hash -1474805274, now seen corresponding path program 1 times [2023-12-02 16:44:46,095 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-12-02 16:44:46,095 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [962085244] [2023-12-02 16:44:46,095 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 16:44:46,095 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 [2023-12-02 16:44:46,095 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c31e2de0-f739-4e33-9424-f9db1a24b574/bin/utaipan-verify-nQ1chXbOIh/mathsat [2023-12-02 16:44:46,096 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c31e2de0-f739-4e33-9424-f9db1a24b574/bin/utaipan-verify-nQ1chXbOIh/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) [2023-12-02 16:44:46,096 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c31e2de0-f739-4e33-9424-f9db1a24b574/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (12)] Waiting until timeout for monitored process [2023-12-02 16:44:47,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 16:44:47,775 INFO L262 TraceCheckSpWp]: Trace formula consists of 348 conjuncts, 24 conjunts are in the unsatisfiable core [2023-12-02 16:44:47,782 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 16:46:29,702 WARN L293 SmtUtils]: Spent 14.89s on a formula simplification that was a NOOP. DAG size: 80 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-02 16:47:31,792 WARN L293 SmtUtils]: Spent 19.19s on a formula simplification that was a NOOP. DAG size: 85 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-02 16:48:58,124 WARN L293 SmtUtils]: Spent 28.28s on a formula simplification that was a NOOP. DAG size: 86 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate)