./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-ci_file-53.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_349b5692-d425-46c8-b9d0-c72b495e2ad2/bin/utaipan-verify-nQ1chXbOIh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_349b5692-d425-46c8-b9d0-c72b495e2ad2/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_349b5692-d425-46c8-b9d0-c72b495e2ad2/bin/utaipan-verify-nQ1chXbOIh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_349b5692-d425-46c8-b9d0-c72b495e2ad2/bin/utaipan-verify-nQ1chXbOIh/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-ci_file-53.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_349b5692-d425-46c8-b9d0-c72b495e2ad2/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_349b5692-d425-46c8-b9d0-c72b495e2ad2/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 c98568d0b62219d2a302878a1e8805bbfc68639e4b7d512ba8c041809f98b0e4 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 19:35:43,160 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 19:35:43,223 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_349b5692-d425-46c8-b9d0-c72b495e2ad2/bin/utaipan-verify-nQ1chXbOIh/config/svcomp-Reach-32bit-Taipan_Default.epf [2023-12-02 19:35:43,228 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-02 19:35:43,228 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-02 19:35:43,252 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 19:35:43,253 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-02 19:35:43,254 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-02 19:35:43,254 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 19:35:43,255 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-02 19:35:43,255 INFO L153 SettingsManager]: * User list type=DISABLED [2023-12-02 19:35:43,256 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-12-02 19:35:43,256 INFO L153 SettingsManager]: * Explicit value domain=true [2023-12-02 19:35:43,257 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-12-02 19:35:43,257 INFO L153 SettingsManager]: * Octagon Domain=false [2023-12-02 19:35:43,258 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-12-02 19:35:43,258 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-12-02 19:35:43,259 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-12-02 19:35:43,259 INFO L153 SettingsManager]: * Interval Domain=false [2023-12-02 19:35:43,260 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-12-02 19:35:43,260 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-12-02 19:35:43,261 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-12-02 19:35:43,262 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 19:35:43,262 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 19:35:43,263 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-02 19:35:43,263 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-02 19:35:43,264 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-02 19:35:43,264 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 19:35:43,264 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 19:35:43,265 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 19:35:43,265 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 19:35:43,266 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-02 19:35:43,266 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 19:35:43,266 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 19:35:43,266 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 19:35:43,267 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-02 19:35:43,267 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-02 19:35:43,267 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 19:35:43,267 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 19:35:43,267 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 19:35:43,268 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 19:35:43,268 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-12-02 19:35:43,268 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-02 19:35:43,268 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-02 19:35:43,268 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 19:35:43,269 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-12-02 19:35:43,269 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-02 19:35:43,269 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_349b5692-d425-46c8-b9d0-c72b495e2ad2/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_349b5692-d425-46c8-b9d0-c72b495e2ad2/bin/utaipan-verify-nQ1chXbOIh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c98568d0b62219d2a302878a1e8805bbfc68639e4b7d512ba8c041809f98b0e4 [2023-12-02 19:35:43,481 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 19:35:43,502 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 19:35:43,504 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 19:35:43,506 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 19:35:43,506 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 19:35:43,507 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_349b5692-d425-46c8-b9d0-c72b495e2ad2/bin/utaipan-verify-nQ1chXbOIh/../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-ci_file-53.i [2023-12-02 19:35:46,289 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 19:35:46,475 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 19:35:46,475 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_349b5692-d425-46c8-b9d0-c72b495e2ad2/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-ci_file-53.i [2023-12-02 19:35:46,485 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_349b5692-d425-46c8-b9d0-c72b495e2ad2/bin/utaipan-verify-nQ1chXbOIh/data/560cdada2/8cf31a4d98c14aa08e7fbbf9d25d6ddc/FLAGc456a4104 [2023-12-02 19:35:46,500 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_349b5692-d425-46c8-b9d0-c72b495e2ad2/bin/utaipan-verify-nQ1chXbOIh/data/560cdada2/8cf31a4d98c14aa08e7fbbf9d25d6ddc [2023-12-02 19:35:46,502 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 19:35:46,504 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 19:35:46,505 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 19:35:46,505 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 19:35:46,510 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 19:35:46,511 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 07:35:46" (1/1) ... [2023-12-02 19:35:46,512 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@33ad984a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:35:46, skipping insertion in model container [2023-12-02 19:35:46,512 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 07:35:46" (1/1) ... [2023-12-02 19:35:46,546 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 19:35:46,687 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_349b5692-d425-46c8-b9d0-c72b495e2ad2/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-ci_file-53.i[919,932] [2023-12-02 19:35:46,748 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 19:35:46,758 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 19:35:46,771 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_349b5692-d425-46c8-b9d0-c72b495e2ad2/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-ci_file-53.i[919,932] [2023-12-02 19:35:46,811 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 19:35:46,830 INFO L206 MainTranslator]: Completed translation [2023-12-02 19:35:46,830 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:35:46 WrapperNode [2023-12-02 19:35:46,830 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 19:35:46,832 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 19:35:46,832 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 19:35:46,832 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 19:35:46,839 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:35:46" (1/1) ... [2023-12-02 19:35:46,852 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:35:46" (1/1) ... [2023-12-02 19:35:46,894 INFO L138 Inliner]: procedures = 26, calls = 36, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 224 [2023-12-02 19:35:46,894 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 19:35:46,895 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 19:35:46,895 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 19:35:46,895 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 19:35:46,904 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:35:46" (1/1) ... [2023-12-02 19:35:46,905 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:35:46" (1/1) ... [2023-12-02 19:35:46,909 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:35:46" (1/1) ... [2023-12-02 19:35:46,909 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:35:46" (1/1) ... [2023-12-02 19:35:46,922 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:35:46" (1/1) ... [2023-12-02 19:35:46,926 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:35:46" (1/1) ... [2023-12-02 19:35:46,929 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:35:46" (1/1) ... [2023-12-02 19:35:46,932 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:35:46" (1/1) ... [2023-12-02 19:35:46,938 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 19:35:46,939 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 19:35:46,939 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 19:35:46,939 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 19:35:46,940 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:35:46" (1/1) ... [2023-12-02 19:35:46,946 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 19:35:46,957 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_349b5692-d425-46c8-b9d0-c72b495e2ad2/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 19:35:46,969 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_349b5692-d425-46c8-b9d0-c72b495e2ad2/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-12-02 19:35:46,972 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_349b5692-d425-46c8-b9d0-c72b495e2ad2/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-12-02 19:35:47,004 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 19:35:47,004 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-12-02 19:35:47,004 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-12-02 19:35:47,004 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-02 19:35:47,004 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 19:35:47,005 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 19:35:47,099 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 19:35:47,101 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 19:35:47,496 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 19:35:47,830 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 19:35:47,830 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-02 19:35:47,832 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 07:35:47 BoogieIcfgContainer [2023-12-02 19:35:47,832 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 19:35:47,835 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-02 19:35:47,835 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-02 19:35:47,838 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-02 19:35:47,838 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 07:35:46" (1/3) ... [2023-12-02 19:35:47,839 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4af41cf4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 07:35:47, skipping insertion in model container [2023-12-02 19:35:47,839 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:35:46" (2/3) ... [2023-12-02 19:35:47,839 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4af41cf4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 07:35:47, skipping insertion in model container [2023-12-02 19:35:47,839 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 07:35:47" (3/3) ... [2023-12-02 19:35:47,841 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodestructure_filler-ps-ci_file-53.i [2023-12-02 19:35:47,859 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-02 19:35:47,859 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-12-02 19:35:47,908 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-02 19:35:47,915 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;@160b90b3, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-02 19:35:47,915 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-12-02 19:35:47,919 INFO L276 IsEmpty]: Start isEmpty. Operand has 45 states, 19 states have (on average 1.1578947368421053) internal successors, (22), 20 states have internal predecessors, (22), 23 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2023-12-02 19:35:47,930 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2023-12-02 19:35:47,930 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 19:35:47,931 INFO L195 NwaCegarLoop]: trace histogram [23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 19:35:47,932 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 19:35:47,937 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 19:35:47,937 INFO L85 PathProgramCache]: Analyzing trace with hash 2131276547, now seen corresponding path program 1 times [2023-12-02 19:35:47,946 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 19:35:47,947 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1702986748] [2023-12-02 19:35:47,947 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 19:35:47,947 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 19:35:48,096 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-12-02 19:35:48,096 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1348870401] [2023-12-02 19:35:48,097 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 19:35:48,097 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 19:35:48,097 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_349b5692-d425-46c8-b9d0-c72b495e2ad2/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 19:35:48,098 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_349b5692-d425-46c8-b9d0-c72b495e2ad2/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-02 19:35:48,104 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_349b5692-d425-46c8-b9d0-c72b495e2ad2/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-12-02 19:35:49,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 19:35:49,300 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-02 19:35:49,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 19:35:49,586 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2023-12-02 19:35:49,588 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-12-02 19:35:49,589 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-12-02 19:35:49,598 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_349b5692-d425-46c8-b9d0-c72b495e2ad2/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-12-02 19:35:49,791 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_349b5692-d425-46c8-b9d0-c72b495e2ad2/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2023-12-02 19:35:49,795 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-12-02 19:35:49,799 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-12-02 19:35:49,896 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.12 07:35:49 BoogieIcfgContainer [2023-12-02 19:35:49,896 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-12-02 19:35:49,896 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-12-02 19:35:49,896 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-12-02 19:35:49,897 INFO L274 PluginConnector]: Witness Printer initialized [2023-12-02 19:35:49,897 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 07:35:47" (3/4) ... [2023-12-02 19:35:49,899 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-12-02 19:35:49,900 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-12-02 19:35:49,901 INFO L158 Benchmark]: Toolchain (without parser) took 3397.32ms. Allocated memory is still 148.9MB. Free memory was 113.3MB in the beginning and 64.6MB in the end (delta: 48.7MB). Peak memory consumption was 50.9MB. Max. memory is 16.1GB. [2023-12-02 19:35:49,902 INFO L158 Benchmark]: CDTParser took 0.26ms. Allocated memory is still 104.9MB. Free memory is still 53.5MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 19:35:49,902 INFO L158 Benchmark]: CACSL2BoogieTranslator took 325.77ms. Allocated memory is still 148.9MB. Free memory was 113.3MB in the beginning and 97.7MB in the end (delta: 15.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-12-02 19:35:49,903 INFO L158 Benchmark]: Boogie Procedure Inliner took 62.66ms. Allocated memory is still 148.9MB. Free memory was 97.7MB in the beginning and 93.6MB in the end (delta: 4.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-12-02 19:35:49,904 INFO L158 Benchmark]: Boogie Preprocessor took 43.19ms. Allocated memory is still 148.9MB. Free memory was 93.2MB in the beginning and 91.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-02 19:35:49,904 INFO L158 Benchmark]: RCFGBuilder took 893.23ms. Allocated memory is still 148.9MB. Free memory was 91.1MB in the beginning and 117.0MB in the end (delta: -25.8MB). Peak memory consumption was 42.5MB. Max. memory is 16.1GB. [2023-12-02 19:35:49,905 INFO L158 Benchmark]: TraceAbstraction took 2061.19ms. Allocated memory is still 148.9MB. Free memory was 115.9MB in the beginning and 65.6MB in the end (delta: 50.3MB). Peak memory consumption was 50.3MB. Max. memory is 16.1GB. [2023-12-02 19:35:49,905 INFO L158 Benchmark]: Witness Printer took 3.95ms. Allocated memory is still 148.9MB. Free memory was 65.6MB in the beginning and 64.6MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 19:35:49,909 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26ms. Allocated memory is still 104.9MB. Free memory is still 53.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 325.77ms. Allocated memory is still 148.9MB. Free memory was 113.3MB in the beginning and 97.7MB in the end (delta: 15.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 62.66ms. Allocated memory is still 148.9MB. Free memory was 97.7MB in the beginning and 93.6MB in the end (delta: 4.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 43.19ms. Allocated memory is still 148.9MB. Free memory was 93.2MB in the beginning and 91.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 893.23ms. Allocated memory is still 148.9MB. Free memory was 91.1MB in the beginning and 117.0MB in the end (delta: -25.8MB). Peak memory consumption was 42.5MB. Max. memory is 16.1GB. * TraceAbstraction took 2061.19ms. Allocated memory is still 148.9MB. Free memory was 115.9MB in the beginning and 65.6MB in the end (delta: 50.3MB). Peak memory consumption was 50.3MB. Max. memory is 16.1GB. * Witness Printer took 3.95ms. Allocated memory is still 148.9MB. Free memory was 65.6MB in the beginning and 64.6MB in the end (delta: 1.0MB). 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 someBinaryFLOATComparisonOperation at line 61, overapproximation of shiftLeft at line 107, overapproximation of bitwiseAnd at line 127, overapproximation of someBinaryArithmeticFLOAToperation at line 77, overapproximation of someUnaryFLOAToperation at line 113. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] unsigned char var_1_1 = 0; [L23] unsigned char var_1_8 = 0; [L24] unsigned long int var_1_9 = 10; [L25] float var_1_10 = 99.5; [L26] float var_1_11 = 5.6; [L27] float var_1_12 = 255.5; [L28] float var_1_13 = 31.25; [L29] signed short int var_1_14 = 32; [L30] unsigned long int var_1_15 = 16; [L31] unsigned char var_1_16 = 1; [L32] unsigned char var_1_17 = 5; [L33] unsigned char var_1_18 = 50; [L34] unsigned char var_1_19 = 50; [L35] signed char var_1_20 = 1; [L36] signed char var_1_21 = -10; [L37] float var_1_22 = 0.5; [L38] signed char var_1_23 = 100; [L39] signed short int var_1_24 = 2; [L40] unsigned short int var_1_31 = 8; [L41] unsigned char var_1_33 = 1; [L42] float var_1_35 = 32.4; [L43] float var_1_36 = 8.5; [L44] float var_1_37 = 7.5; [L45] unsigned char var_1_39 = 16; [L46] signed short int var_1_41 = -2; [L47] unsigned char var_1_42 = 10; [L48] unsigned char var_1_43 = 4; [L49] unsigned char var_1_44 = 64; [L50] signed long int var_1_45 = -25; [L51] unsigned char last_1_var_1_1 = 0; [L52] unsigned long int last_1_var_1_9 = 10; [L53] signed short int last_1_var_1_14 = 32; [L54] unsigned char last_1_var_1_16 = 1; [L55] signed char last_1_var_1_20 = 1; [L191] isInitial = 1 [L192] FCALL initially() [L193] COND TRUE 1 [L194] CALL updateLastVariables() [L180] last_1_var_1_1 = var_1_1 [L181] last_1_var_1_9 = var_1_9 [L182] last_1_var_1_14 = var_1_14 [L183] last_1_var_1_16 = var_1_16 [L184] last_1_var_1_20 = var_1_20 [L194] RET updateLastVariables() [L195] CALL updateVariables() [L142] var_1_8 = __VERIFIER_nondet_uchar() [L143] CALL assume_abort_if_not(var_1_8 >= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=32, last_1_var_1_16=1, last_1_var_1_1=0, last_1_var_1_20=1, last_1_var_1_9=10, var_1_10=199/2, var_1_11=28/5, var_1_12=511/2, var_1_13=125/4, var_1_14=32, var_1_15=16, var_1_16=1, var_1_17=5, var_1_18=50, var_1_19=50, var_1_1=0, var_1_20=1, var_1_21=-10, var_1_22=1/2, var_1_23=100, var_1_24=2, var_1_31=8, var_1_33=1, var_1_35=162/5, var_1_36=17/2, var_1_37=15/2, var_1_39=16, var_1_41=-2, var_1_42=10, var_1_43=4, var_1_44=64, var_1_45=-25, var_1_8=1, var_1_9=10] [L20] COND FALSE !(!cond) [L143] RET assume_abort_if_not(var_1_8 >= 1) VAL [isInitial=1, last_1_var_1_14=32, last_1_var_1_16=1, last_1_var_1_1=0, last_1_var_1_20=1, last_1_var_1_9=10, var_1_10=199/2, var_1_11=28/5, var_1_12=511/2, var_1_13=125/4, var_1_14=32, var_1_15=16, var_1_16=1, var_1_17=5, var_1_18=50, var_1_19=50, var_1_1=0, var_1_20=1, var_1_21=-10, var_1_22=1/2, var_1_23=100, var_1_24=2, var_1_31=8, var_1_33=1, var_1_35=162/5, var_1_36=17/2, var_1_37=15/2, var_1_39=16, var_1_41=-2, var_1_42=10, var_1_43=4, var_1_44=64, var_1_45=-25, var_1_8=1, var_1_9=10] [L144] CALL assume_abort_if_not(var_1_8 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=32, last_1_var_1_16=1, last_1_var_1_1=0, last_1_var_1_20=1, last_1_var_1_9=10, var_1_10=199/2, var_1_11=28/5, var_1_12=511/2, var_1_13=125/4, var_1_14=32, var_1_15=16, var_1_16=1, var_1_17=5, var_1_18=50, var_1_19=50, var_1_1=0, var_1_20=1, var_1_21=-10, var_1_22=1/2, var_1_23=100, var_1_24=2, var_1_31=8, var_1_33=1, var_1_35=162/5, var_1_36=17/2, var_1_37=15/2, var_1_39=16, var_1_41=-2, var_1_42=10, var_1_43=4, var_1_44=64, var_1_45=-25, var_1_8=1, var_1_9=10] [L20] COND FALSE !(!cond) [L144] RET assume_abort_if_not(var_1_8 <= 1) VAL [isInitial=1, last_1_var_1_14=32, last_1_var_1_16=1, last_1_var_1_1=0, last_1_var_1_20=1, last_1_var_1_9=10, var_1_10=199/2, var_1_11=28/5, var_1_12=511/2, var_1_13=125/4, var_1_14=32, var_1_15=16, var_1_16=1, var_1_17=5, var_1_18=50, var_1_19=50, var_1_1=0, var_1_20=1, var_1_21=-10, var_1_22=1/2, var_1_23=100, var_1_24=2, var_1_31=8, var_1_33=1, var_1_35=162/5, var_1_36=17/2, var_1_37=15/2, var_1_39=16, var_1_41=-2, var_1_42=10, var_1_43=4, var_1_44=64, var_1_45=-25, var_1_8=1, var_1_9=10] [L145] var_1_11 = __VERIFIER_nondet_float() [L146] CALL assume_abort_if_not((var_1_11 >= -461168.6018427382800e+13F && var_1_11 <= -1.0e-20F) || (var_1_11 <= 4611686.018427382800e+12F && var_1_11 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=32, last_1_var_1_16=1, last_1_var_1_1=0, last_1_var_1_20=1, last_1_var_1_9=10, var_1_10=199/2, var_1_12=511/2, var_1_13=125/4, var_1_14=32, var_1_15=16, var_1_16=1, var_1_17=5, var_1_18=50, var_1_19=50, var_1_1=0, var_1_20=1, var_1_21=-10, var_1_22=1/2, var_1_23=100, var_1_24=2, var_1_31=8, var_1_33=1, var_1_35=162/5, var_1_36=17/2, var_1_37=15/2, var_1_39=16, var_1_41=-2, var_1_42=10, var_1_43=4, var_1_44=64, var_1_45=-25, var_1_8=1, var_1_9=10] [L20] COND FALSE !(!cond) [L146] RET assume_abort_if_not((var_1_11 >= -461168.6018427382800e+13F && var_1_11 <= -1.0e-20F) || (var_1_11 <= 4611686.018427382800e+12F && var_1_11 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_14=32, last_1_var_1_16=1, last_1_var_1_1=0, last_1_var_1_20=1, last_1_var_1_9=10, var_1_10=199/2, var_1_12=511/2, var_1_13=125/4, var_1_14=32, var_1_15=16, var_1_16=1, var_1_17=5, var_1_18=50, var_1_19=50, var_1_1=0, var_1_20=1, var_1_21=-10, var_1_22=1/2, var_1_23=100, var_1_24=2, var_1_31=8, var_1_33=1, var_1_35=162/5, var_1_36=17/2, var_1_37=15/2, var_1_39=16, var_1_41=-2, var_1_42=10, var_1_43=4, var_1_44=64, var_1_45=-25, var_1_8=1, var_1_9=10] [L147] var_1_12 = __VERIFIER_nondet_float() [L148] CALL assume_abort_if_not((var_1_12 >= -461168.6018427382800e+13F && var_1_12 <= -1.0e-20F) || (var_1_12 <= 4611686.018427382800e+12F && var_1_12 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=32, last_1_var_1_16=1, last_1_var_1_1=0, last_1_var_1_20=1, last_1_var_1_9=10, var_1_10=199/2, var_1_13=125/4, var_1_14=32, var_1_15=16, var_1_16=1, var_1_17=5, var_1_18=50, var_1_19=50, var_1_1=0, var_1_20=1, var_1_21=-10, var_1_22=1/2, var_1_23=100, var_1_24=2, var_1_31=8, var_1_33=1, var_1_35=162/5, var_1_36=17/2, var_1_37=15/2, var_1_39=16, var_1_41=-2, var_1_42=10, var_1_43=4, var_1_44=64, var_1_45=-25, var_1_8=1, var_1_9=10] [L20] COND FALSE !(!cond) [L148] RET assume_abort_if_not((var_1_12 >= -461168.6018427382800e+13F && var_1_12 <= -1.0e-20F) || (var_1_12 <= 4611686.018427382800e+12F && var_1_12 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_14=32, last_1_var_1_16=1, last_1_var_1_1=0, last_1_var_1_20=1, last_1_var_1_9=10, var_1_10=199/2, var_1_13=125/4, var_1_14=32, var_1_15=16, var_1_16=1, var_1_17=5, var_1_18=50, var_1_19=50, var_1_1=0, var_1_20=1, var_1_21=-10, var_1_22=1/2, var_1_23=100, var_1_24=2, var_1_31=8, var_1_33=1, var_1_35=162/5, var_1_36=17/2, var_1_37=15/2, var_1_39=16, var_1_41=-2, var_1_42=10, var_1_43=4, var_1_44=64, var_1_45=-25, var_1_8=1, var_1_9=10] [L149] var_1_13 = __VERIFIER_nondet_float() [L150] CALL assume_abort_if_not((var_1_13 >= -922337.2036854765600e+13F && var_1_13 <= -1.0e-20F) || (var_1_13 <= 9223372.036854765600e+12F && var_1_13 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=32, last_1_var_1_16=1, last_1_var_1_1=0, last_1_var_1_20=1, last_1_var_1_9=10, var_1_10=199/2, var_1_14=32, var_1_15=16, var_1_16=1, var_1_17=5, var_1_18=50, var_1_19=50, var_1_1=0, var_1_20=1, var_1_21=-10, var_1_22=1/2, var_1_23=100, var_1_24=2, var_1_31=8, var_1_33=1, var_1_35=162/5, var_1_36=17/2, var_1_37=15/2, var_1_39=16, var_1_41=-2, var_1_42=10, var_1_43=4, var_1_44=64, var_1_45=-25, var_1_8=1, var_1_9=10] [L20] COND FALSE !(!cond) [L150] RET assume_abort_if_not((var_1_13 >= -922337.2036854765600e+13F && var_1_13 <= -1.0e-20F) || (var_1_13 <= 9223372.036854765600e+12F && var_1_13 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_14=32, last_1_var_1_16=1, last_1_var_1_1=0, last_1_var_1_20=1, last_1_var_1_9=10, var_1_10=199/2, var_1_14=32, var_1_15=16, var_1_16=1, var_1_17=5, var_1_18=50, var_1_19=50, var_1_1=0, var_1_20=1, var_1_21=-10, var_1_22=1/2, var_1_23=100, var_1_24=2, var_1_31=8, var_1_33=1, var_1_35=162/5, var_1_36=17/2, var_1_37=15/2, var_1_39=16, var_1_41=-2, var_1_42=10, var_1_43=4, var_1_44=64, var_1_45=-25, var_1_8=1, var_1_9=10] [L151] var_1_15 = __VERIFIER_nondet_ulong() [L152] CALL assume_abort_if_not(var_1_15 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=32, last_1_var_1_16=1, last_1_var_1_1=0, last_1_var_1_20=1, last_1_var_1_9=10, var_1_10=199/2, var_1_14=32, var_1_16=1, var_1_17=5, var_1_18=50, var_1_19=50, var_1_1=0, var_1_20=1, var_1_21=-10, var_1_22=1/2, var_1_23=100, var_1_24=2, var_1_31=8, var_1_33=1, var_1_35=162/5, var_1_36=17/2, var_1_37=15/2, var_1_39=16, var_1_41=-2, var_1_42=10, var_1_43=4, var_1_44=64, var_1_45=-25, var_1_8=1, var_1_9=10] [L20] COND FALSE !(!cond) [L152] RET assume_abort_if_not(var_1_15 >= 0) VAL [isInitial=1, last_1_var_1_14=32, last_1_var_1_16=1, last_1_var_1_1=0, last_1_var_1_20=1, last_1_var_1_9=10, var_1_10=199/2, var_1_14=32, var_1_16=1, var_1_17=5, var_1_18=50, var_1_19=50, var_1_1=0, var_1_20=1, var_1_21=-10, var_1_22=1/2, var_1_23=100, var_1_24=2, var_1_31=8, var_1_33=1, var_1_35=162/5, var_1_36=17/2, var_1_37=15/2, var_1_39=16, var_1_41=-2, var_1_42=10, var_1_43=4, var_1_44=64, var_1_45=-25, var_1_8=1, var_1_9=10] [L153] CALL assume_abort_if_not(var_1_15 <= 4294967295) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=32, last_1_var_1_16=1, last_1_var_1_1=0, last_1_var_1_20=1, last_1_var_1_9=10, var_1_10=199/2, var_1_14=32, var_1_16=1, var_1_17=5, var_1_18=50, var_1_19=50, var_1_1=0, var_1_20=1, var_1_21=-10, var_1_22=1/2, var_1_23=100, var_1_24=2, var_1_31=8, var_1_33=1, var_1_35=162/5, var_1_36=17/2, var_1_37=15/2, var_1_39=16, var_1_41=-2, var_1_42=10, var_1_43=4, var_1_44=64, var_1_45=-25, var_1_8=1, var_1_9=10] [L20] COND FALSE !(!cond) [L153] RET assume_abort_if_not(var_1_15 <= 4294967295) VAL [isInitial=1, last_1_var_1_14=32, last_1_var_1_16=1, last_1_var_1_1=0, last_1_var_1_20=1, last_1_var_1_9=10, var_1_10=199/2, var_1_14=32, var_1_16=1, var_1_17=5, var_1_18=50, var_1_19=50, var_1_1=0, var_1_20=1, var_1_21=-10, var_1_22=1/2, var_1_23=100, var_1_24=2, var_1_31=8, var_1_33=1, var_1_35=162/5, var_1_36=17/2, var_1_37=15/2, var_1_39=16, var_1_41=-2, var_1_42=10, var_1_43=4, var_1_44=64, var_1_45=-25, var_1_8=1, var_1_9=10] [L154] CALL assume_abort_if_not(var_1_15 != 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=32, last_1_var_1_16=1, last_1_var_1_1=0, last_1_var_1_20=1, last_1_var_1_9=10, var_1_10=199/2, var_1_14=32, var_1_15=5, var_1_16=1, var_1_17=5, var_1_18=50, var_1_19=50, var_1_1=0, var_1_20=1, var_1_21=-10, var_1_22=1/2, var_1_23=100, var_1_24=2, var_1_31=8, var_1_33=1, var_1_35=162/5, var_1_36=17/2, var_1_37=15/2, var_1_39=16, var_1_41=-2, var_1_42=10, var_1_43=4, var_1_44=64, var_1_45=-25, var_1_8=1, var_1_9=10] [L20] COND FALSE !(!cond) [L154] RET assume_abort_if_not(var_1_15 != 0) VAL [isInitial=1, last_1_var_1_14=32, last_1_var_1_16=1, last_1_var_1_1=0, last_1_var_1_20=1, last_1_var_1_9=10, var_1_10=199/2, var_1_14=32, var_1_15=5, var_1_16=1, var_1_17=5, var_1_18=50, var_1_19=50, var_1_1=0, var_1_20=1, var_1_21=-10, var_1_22=1/2, var_1_23=100, var_1_24=2, var_1_31=8, var_1_33=1, var_1_35=162/5, var_1_36=17/2, var_1_37=15/2, var_1_39=16, var_1_41=-2, var_1_42=10, var_1_43=4, var_1_44=64, var_1_45=-25, var_1_8=1, var_1_9=10] [L155] var_1_17 = __VERIFIER_nondet_uchar() [L156] CALL assume_abort_if_not(var_1_17 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=32, last_1_var_1_16=1, last_1_var_1_1=0, last_1_var_1_20=1, last_1_var_1_9=10, var_1_10=199/2, var_1_14=32, var_1_15=5, var_1_16=1, var_1_18=50, var_1_19=50, var_1_1=0, var_1_20=1, var_1_21=-10, var_1_22=1/2, var_1_23=100, var_1_24=2, var_1_31=8, var_1_33=1, var_1_35=162/5, var_1_36=17/2, var_1_37=15/2, var_1_39=16, var_1_41=-2, var_1_42=10, var_1_43=4, var_1_44=64, var_1_45=-25, var_1_8=1, var_1_9=10] [L20] COND FALSE !(!cond) [L156] RET assume_abort_if_not(var_1_17 >= 0) VAL [isInitial=1, last_1_var_1_14=32, last_1_var_1_16=1, last_1_var_1_1=0, last_1_var_1_20=1, last_1_var_1_9=10, var_1_10=199/2, var_1_14=32, var_1_15=5, var_1_16=1, var_1_18=50, var_1_19=50, var_1_1=0, var_1_20=1, var_1_21=-10, var_1_22=1/2, var_1_23=100, var_1_24=2, var_1_31=8, var_1_33=1, var_1_35=162/5, var_1_36=17/2, var_1_37=15/2, var_1_39=16, var_1_41=-2, var_1_42=10, var_1_43=4, var_1_44=64, var_1_45=-25, var_1_8=1, var_1_9=10] [L157] CALL assume_abort_if_not(var_1_17 <= 255) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=32, last_1_var_1_16=1, last_1_var_1_1=0, last_1_var_1_20=1, last_1_var_1_9=10, var_1_10=199/2, var_1_14=32, var_1_15=5, var_1_16=1, var_1_18=50, var_1_19=50, var_1_1=0, var_1_20=1, var_1_21=-10, var_1_22=1/2, var_1_23=100, var_1_24=2, var_1_31=8, var_1_33=1, var_1_35=162/5, var_1_36=17/2, var_1_37=15/2, var_1_39=16, var_1_41=-2, var_1_42=10, var_1_43=4, var_1_44=64, var_1_45=-25, var_1_8=1, var_1_9=10] [L20] COND FALSE !(!cond) [L157] RET assume_abort_if_not(var_1_17 <= 255) VAL [isInitial=1, last_1_var_1_14=32, last_1_var_1_16=1, last_1_var_1_1=0, last_1_var_1_20=1, last_1_var_1_9=10, var_1_10=199/2, var_1_14=32, var_1_15=5, var_1_16=1, var_1_18=50, var_1_19=50, var_1_1=0, var_1_20=1, var_1_21=-10, var_1_22=1/2, var_1_23=100, var_1_24=2, var_1_31=8, var_1_33=1, var_1_35=162/5, var_1_36=17/2, var_1_37=15/2, var_1_39=16, var_1_41=-2, var_1_42=10, var_1_43=4, var_1_44=64, var_1_45=-25, var_1_8=1, var_1_9=10] [L158] CALL assume_abort_if_not(var_1_17 != 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=32, last_1_var_1_16=1, last_1_var_1_1=0, last_1_var_1_20=1, last_1_var_1_9=10, var_1_10=199/2, var_1_14=32, var_1_15=5, var_1_16=1, var_1_17=2, var_1_18=50, var_1_19=50, var_1_1=0, var_1_20=1, var_1_21=-10, var_1_22=1/2, var_1_23=100, var_1_24=2, var_1_31=8, var_1_33=1, var_1_35=162/5, var_1_36=17/2, var_1_37=15/2, var_1_39=16, var_1_41=-2, var_1_42=10, var_1_43=4, var_1_44=64, var_1_45=-25, var_1_8=1, var_1_9=10] [L20] COND FALSE !(!cond) [L158] RET assume_abort_if_not(var_1_17 != 0) VAL [isInitial=1, last_1_var_1_14=32, last_1_var_1_16=1, last_1_var_1_1=0, last_1_var_1_20=1, last_1_var_1_9=10, var_1_10=199/2, var_1_14=32, var_1_15=5, var_1_16=1, var_1_17=2, var_1_18=50, var_1_19=50, var_1_1=0, var_1_20=1, var_1_21=-10, var_1_22=1/2, var_1_23=100, var_1_24=2, var_1_31=8, var_1_33=1, var_1_35=162/5, var_1_36=17/2, var_1_37=15/2, var_1_39=16, var_1_41=-2, var_1_42=10, var_1_43=4, var_1_44=64, var_1_45=-25, var_1_8=1, var_1_9=10] [L159] var_1_18 = __VERIFIER_nondet_uchar() [L160] CALL assume_abort_if_not(var_1_18 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=32, last_1_var_1_16=1, last_1_var_1_1=0, last_1_var_1_20=1, last_1_var_1_9=10, var_1_10=199/2, var_1_14=32, var_1_15=5, var_1_16=1, var_1_17=2, var_1_19=50, var_1_1=0, var_1_20=1, var_1_21=-10, var_1_22=1/2, var_1_23=100, var_1_24=2, var_1_31=8, var_1_33=1, var_1_35=162/5, var_1_36=17/2, var_1_37=15/2, var_1_39=16, var_1_41=-2, var_1_42=10, var_1_43=4, var_1_44=64, var_1_45=-25, var_1_8=1, var_1_9=10] [L20] COND FALSE !(!cond) [L160] RET assume_abort_if_not(var_1_18 >= 0) VAL [isInitial=1, last_1_var_1_14=32, last_1_var_1_16=1, last_1_var_1_1=0, last_1_var_1_20=1, last_1_var_1_9=10, var_1_10=199/2, var_1_14=32, var_1_15=5, var_1_16=1, var_1_17=2, var_1_19=50, var_1_1=0, var_1_20=1, var_1_21=-10, var_1_22=1/2, var_1_23=100, var_1_24=2, var_1_31=8, var_1_33=1, var_1_35=162/5, var_1_36=17/2, var_1_37=15/2, var_1_39=16, var_1_41=-2, var_1_42=10, var_1_43=4, var_1_44=64, var_1_45=-25, var_1_8=1, var_1_9=10] [L161] CALL assume_abort_if_not(var_1_18 <= 254) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=32, last_1_var_1_16=1, last_1_var_1_1=0, last_1_var_1_20=1, last_1_var_1_9=10, var_1_10=199/2, var_1_14=32, var_1_15=5, var_1_16=1, var_1_17=2, var_1_18=1, var_1_19=50, var_1_1=0, var_1_20=1, var_1_21=-10, var_1_22=1/2, var_1_23=100, var_1_24=2, var_1_31=8, var_1_33=1, var_1_35=162/5, var_1_36=17/2, var_1_37=15/2, var_1_39=16, var_1_41=-2, var_1_42=10, var_1_43=4, var_1_44=64, var_1_45=-25, var_1_8=1, var_1_9=10] [L20] COND FALSE !(!cond) [L161] RET assume_abort_if_not(var_1_18 <= 254) VAL [isInitial=1, last_1_var_1_14=32, last_1_var_1_16=1, last_1_var_1_1=0, last_1_var_1_20=1, last_1_var_1_9=10, var_1_10=199/2, var_1_14=32, var_1_15=5, var_1_16=1, var_1_17=2, var_1_18=1, var_1_19=50, var_1_1=0, var_1_20=1, var_1_21=-10, var_1_22=1/2, var_1_23=100, var_1_24=2, var_1_31=8, var_1_33=1, var_1_35=162/5, var_1_36=17/2, var_1_37=15/2, var_1_39=16, var_1_41=-2, var_1_42=10, var_1_43=4, var_1_44=64, var_1_45=-25, var_1_8=1, var_1_9=10] [L162] var_1_19 = __VERIFIER_nondet_uchar() [L163] CALL assume_abort_if_not(var_1_19 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=32, last_1_var_1_16=1, last_1_var_1_1=0, last_1_var_1_20=1, last_1_var_1_9=10, var_1_10=199/2, var_1_14=32, var_1_15=5, var_1_16=1, var_1_17=2, var_1_18=1, var_1_1=0, var_1_20=1, var_1_21=-10, var_1_22=1/2, var_1_23=100, var_1_24=2, var_1_31=8, var_1_33=1, var_1_35=162/5, var_1_36=17/2, var_1_37=15/2, var_1_39=16, var_1_41=-2, var_1_42=10, var_1_43=4, var_1_44=64, var_1_45=-25, var_1_8=1, var_1_9=10] [L20] COND FALSE !(!cond) [L163] RET assume_abort_if_not(var_1_19 >= 0) VAL [isInitial=1, last_1_var_1_14=32, last_1_var_1_16=1, last_1_var_1_1=0, last_1_var_1_20=1, last_1_var_1_9=10, var_1_10=199/2, var_1_14=32, var_1_15=5, var_1_16=1, var_1_17=2, var_1_18=1, var_1_1=0, var_1_20=1, var_1_21=-10, var_1_22=1/2, var_1_23=100, var_1_24=2, var_1_31=8, var_1_33=1, var_1_35=162/5, var_1_36=17/2, var_1_37=15/2, var_1_39=16, var_1_41=-2, var_1_42=10, var_1_43=4, var_1_44=64, var_1_45=-25, var_1_8=1, var_1_9=10] [L164] CALL assume_abort_if_not(var_1_19 <= 254) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=32, last_1_var_1_16=1, last_1_var_1_1=0, last_1_var_1_20=1, last_1_var_1_9=10, var_1_10=199/2, var_1_14=32, var_1_15=5, var_1_16=1, var_1_17=2, var_1_18=1, var_1_19=1, var_1_1=0, var_1_20=1, var_1_21=-10, var_1_22=1/2, var_1_23=100, var_1_24=2, var_1_31=8, var_1_33=1, var_1_35=162/5, var_1_36=17/2, var_1_37=15/2, var_1_39=16, var_1_41=-2, var_1_42=10, var_1_43=4, var_1_44=64, var_1_45=-25, var_1_8=1, var_1_9=10] [L20] COND FALSE !(!cond) [L164] RET assume_abort_if_not(var_1_19 <= 254) VAL [isInitial=1, last_1_var_1_14=32, last_1_var_1_16=1, last_1_var_1_1=0, last_1_var_1_20=1, last_1_var_1_9=10, var_1_10=199/2, var_1_14=32, var_1_15=5, var_1_16=1, var_1_17=2, var_1_18=1, var_1_19=1, var_1_1=0, var_1_20=1, var_1_21=-10, var_1_22=1/2, var_1_23=100, var_1_24=2, var_1_31=8, var_1_33=1, var_1_35=162/5, var_1_36=17/2, var_1_37=15/2, var_1_39=16, var_1_41=-2, var_1_42=10, var_1_43=4, var_1_44=64, var_1_45=-25, var_1_8=1, var_1_9=10] [L165] var_1_21 = __VERIFIER_nondet_char() [L166] CALL assume_abort_if_not(var_1_21 >= -127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=32, last_1_var_1_16=1, last_1_var_1_1=0, last_1_var_1_20=1, last_1_var_1_9=10, var_1_10=199/2, var_1_14=32, var_1_15=5, var_1_16=1, var_1_17=2, var_1_18=1, var_1_19=1, var_1_1=0, var_1_20=1, var_1_21=-127, var_1_22=1/2, var_1_23=100, var_1_24=2, var_1_31=8, var_1_33=1, var_1_35=162/5, var_1_36=17/2, var_1_37=15/2, var_1_39=16, var_1_41=-2, var_1_42=10, var_1_43=4, var_1_44=64, var_1_45=-25, var_1_8=1, var_1_9=10] [L20] COND FALSE !(!cond) [L166] RET assume_abort_if_not(var_1_21 >= -127) VAL [isInitial=1, last_1_var_1_14=32, last_1_var_1_16=1, last_1_var_1_1=0, last_1_var_1_20=1, last_1_var_1_9=10, var_1_10=199/2, var_1_14=32, var_1_15=5, var_1_16=1, var_1_17=2, var_1_18=1, var_1_19=1, var_1_1=0, var_1_20=1, var_1_21=-127, var_1_22=1/2, var_1_23=100, var_1_24=2, var_1_31=8, var_1_33=1, var_1_35=162/5, var_1_36=17/2, var_1_37=15/2, var_1_39=16, var_1_41=-2, var_1_42=10, var_1_43=4, var_1_44=64, var_1_45=-25, var_1_8=1, var_1_9=10] [L167] CALL assume_abort_if_not(var_1_21 <= 126) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=32, last_1_var_1_16=1, last_1_var_1_1=0, last_1_var_1_20=1, last_1_var_1_9=10, var_1_10=199/2, var_1_14=32, var_1_15=5, var_1_16=1, var_1_17=2, var_1_18=1, var_1_19=1, var_1_1=0, var_1_20=1, var_1_21=-127, var_1_22=1/2, var_1_23=100, var_1_24=2, var_1_31=8, var_1_33=1, var_1_35=162/5, var_1_36=17/2, var_1_37=15/2, var_1_39=16, var_1_41=-2, var_1_42=10, var_1_43=4, var_1_44=64, var_1_45=-25, var_1_8=1, var_1_9=10] [L20] COND FALSE !(!cond) [L167] RET assume_abort_if_not(var_1_21 <= 126) VAL [isInitial=1, last_1_var_1_14=32, last_1_var_1_16=1, last_1_var_1_1=0, last_1_var_1_20=1, last_1_var_1_9=10, var_1_10=199/2, var_1_14=32, var_1_15=5, var_1_16=1, var_1_17=2, var_1_18=1, var_1_19=1, var_1_1=0, var_1_20=1, var_1_21=-127, var_1_22=1/2, var_1_23=100, var_1_24=2, var_1_31=8, var_1_33=1, var_1_35=162/5, var_1_36=17/2, var_1_37=15/2, var_1_39=16, var_1_41=-2, var_1_42=10, var_1_43=4, var_1_44=64, var_1_45=-25, var_1_8=1, var_1_9=10] [L168] var_1_36 = __VERIFIER_nondet_float() [L169] CALL assume_abort_if_not((var_1_36 >= 0.0F && var_1_36 <= -1.0e-20F) || (var_1_36 <= 4611686.018427382800e+12F && var_1_36 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=32, last_1_var_1_16=1, last_1_var_1_1=0, last_1_var_1_20=1, last_1_var_1_9=10, var_1_10=199/2, var_1_14=32, var_1_15=5, var_1_16=1, var_1_17=2, var_1_18=1, var_1_19=1, var_1_1=0, var_1_20=1, var_1_21=-127, var_1_22=1/2, var_1_23=100, var_1_24=2, var_1_31=8, var_1_33=1, var_1_35=162/5, var_1_37=15/2, var_1_39=16, var_1_41=-2, var_1_42=10, var_1_43=4, var_1_44=64, var_1_45=-25, var_1_8=1, var_1_9=10] [L20] COND FALSE !(!cond) [L169] RET assume_abort_if_not((var_1_36 >= 0.0F && var_1_36 <= -1.0e-20F) || (var_1_36 <= 4611686.018427382800e+12F && var_1_36 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_14=32, last_1_var_1_16=1, last_1_var_1_1=0, last_1_var_1_20=1, last_1_var_1_9=10, var_1_10=199/2, var_1_14=32, var_1_15=5, var_1_16=1, var_1_17=2, var_1_18=1, var_1_19=1, var_1_1=0, var_1_20=1, var_1_21=-127, var_1_22=1/2, var_1_23=100, var_1_24=2, var_1_31=8, var_1_33=1, var_1_35=162/5, var_1_37=15/2, var_1_39=16, var_1_41=-2, var_1_42=10, var_1_43=4, var_1_44=64, var_1_45=-25, var_1_8=1, var_1_9=10] [L170] var_1_37 = __VERIFIER_nondet_float() [L171] CALL assume_abort_if_not((var_1_37 >= 0.0F && var_1_37 <= -1.0e-20F) || (var_1_37 <= 4611686.018427382800e+12F && var_1_37 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=32, last_1_var_1_16=1, last_1_var_1_1=0, last_1_var_1_20=1, last_1_var_1_9=10, var_1_10=199/2, var_1_14=32, var_1_15=5, var_1_16=1, var_1_17=2, var_1_18=1, var_1_19=1, var_1_1=0, var_1_20=1, var_1_21=-127, var_1_22=1/2, var_1_23=100, var_1_24=2, var_1_31=8, var_1_33=1, var_1_35=162/5, var_1_39=16, var_1_41=-2, var_1_42=10, var_1_43=4, var_1_44=64, var_1_45=-25, var_1_8=1, var_1_9=10] [L20] COND FALSE !(!cond) [L171] RET assume_abort_if_not((var_1_37 >= 0.0F && var_1_37 <= -1.0e-20F) || (var_1_37 <= 4611686.018427382800e+12F && var_1_37 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_14=32, last_1_var_1_16=1, last_1_var_1_1=0, last_1_var_1_20=1, last_1_var_1_9=10, var_1_10=199/2, var_1_14=32, var_1_15=5, var_1_16=1, var_1_17=2, var_1_18=1, var_1_19=1, var_1_1=0, var_1_20=1, var_1_21=-127, var_1_22=1/2, var_1_23=100, var_1_24=2, var_1_31=8, var_1_33=1, var_1_35=162/5, var_1_39=16, var_1_41=-2, var_1_42=10, var_1_43=4, var_1_44=64, var_1_45=-25, var_1_8=1, var_1_9=10] [L172] var_1_43 = __VERIFIER_nondet_uchar() [L173] CALL assume_abort_if_not(var_1_43 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=32, last_1_var_1_16=1, last_1_var_1_1=0, last_1_var_1_20=1, last_1_var_1_9=10, var_1_10=199/2, var_1_14=32, var_1_15=5, var_1_16=1, var_1_17=2, var_1_18=1, var_1_19=1, var_1_1=0, var_1_20=1, var_1_21=-127, var_1_22=1/2, var_1_23=100, var_1_24=2, var_1_31=8, var_1_33=1, var_1_35=162/5, var_1_39=16, var_1_41=-2, var_1_42=10, var_1_44=64, var_1_45=-25, var_1_8=1, var_1_9=10] [L20] COND FALSE !(!cond) [L173] RET assume_abort_if_not(var_1_43 >= 0) VAL [isInitial=1, last_1_var_1_14=32, last_1_var_1_16=1, last_1_var_1_1=0, last_1_var_1_20=1, last_1_var_1_9=10, var_1_10=199/2, var_1_14=32, var_1_15=5, var_1_16=1, var_1_17=2, var_1_18=1, var_1_19=1, var_1_1=0, var_1_20=1, var_1_21=-127, var_1_22=1/2, var_1_23=100, var_1_24=2, var_1_31=8, var_1_33=1, var_1_35=162/5, var_1_39=16, var_1_41=-2, var_1_42=10, var_1_44=64, var_1_45=-25, var_1_8=1, var_1_9=10] [L174] CALL assume_abort_if_not(var_1_43 <= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=32, last_1_var_1_16=1, last_1_var_1_1=0, last_1_var_1_20=1, last_1_var_1_9=10, var_1_10=199/2, var_1_14=32, var_1_15=5, var_1_16=1, var_1_17=2, var_1_18=1, var_1_19=1, var_1_1=0, var_1_20=1, var_1_21=-127, var_1_22=1/2, var_1_23=100, var_1_24=2, var_1_31=8, var_1_33=1, var_1_35=162/5, var_1_39=16, var_1_41=-2, var_1_42=10, var_1_43=0, var_1_44=64, var_1_45=-25, var_1_8=1, var_1_9=10] [L20] COND FALSE !(!cond) [L174] RET assume_abort_if_not(var_1_43 <= 127) VAL [isInitial=1, last_1_var_1_14=32, last_1_var_1_16=1, last_1_var_1_1=0, last_1_var_1_20=1, last_1_var_1_9=10, var_1_10=199/2, var_1_14=32, var_1_15=5, var_1_16=1, var_1_17=2, var_1_18=1, var_1_19=1, var_1_1=0, var_1_20=1, var_1_21=-127, var_1_22=1/2, var_1_23=100, var_1_24=2, var_1_31=8, var_1_33=1, var_1_35=162/5, var_1_39=16, var_1_41=-2, var_1_42=10, var_1_43=0, var_1_44=64, var_1_45=-25, var_1_8=1, var_1_9=10] [L175] var_1_44 = __VERIFIER_nondet_uchar() [L176] CALL assume_abort_if_not(var_1_44 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=32, last_1_var_1_16=1, last_1_var_1_1=0, last_1_var_1_20=1, last_1_var_1_9=10, var_1_10=199/2, var_1_14=32, var_1_15=5, var_1_16=1, var_1_17=2, var_1_18=1, var_1_19=1, var_1_1=0, var_1_20=1, var_1_21=-127, var_1_22=1/2, var_1_23=100, var_1_24=2, var_1_31=8, var_1_33=1, var_1_35=162/5, var_1_39=16, var_1_41=-2, var_1_42=10, var_1_43=0, var_1_45=-25, var_1_8=1, var_1_9=10] [L20] COND FALSE !(!cond) [L176] RET assume_abort_if_not(var_1_44 >= 0) VAL [isInitial=1, last_1_var_1_14=32, last_1_var_1_16=1, last_1_var_1_1=0, last_1_var_1_20=1, last_1_var_1_9=10, var_1_10=199/2, var_1_14=32, var_1_15=5, var_1_16=1, var_1_17=2, var_1_18=1, var_1_19=1, var_1_1=0, var_1_20=1, var_1_21=-127, var_1_22=1/2, var_1_23=100, var_1_24=2, var_1_31=8, var_1_33=1, var_1_35=162/5, var_1_39=16, var_1_41=-2, var_1_42=10, var_1_43=0, var_1_45=-25, var_1_8=1, var_1_9=10] [L177] CALL assume_abort_if_not(var_1_44 <= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=32, last_1_var_1_16=1, last_1_var_1_1=0, last_1_var_1_20=1, last_1_var_1_9=10, var_1_10=199/2, var_1_14=32, var_1_15=5, var_1_16=1, var_1_17=2, var_1_18=1, var_1_19=1, var_1_1=0, var_1_20=1, var_1_21=-127, var_1_22=1/2, var_1_23=100, var_1_24=2, var_1_31=8, var_1_33=1, var_1_35=162/5, var_1_39=16, var_1_41=-2, var_1_42=10, var_1_43=0, var_1_44=10, var_1_45=-25, var_1_8=1, var_1_9=10] [L20] COND FALSE !(!cond) [L177] RET assume_abort_if_not(var_1_44 <= 127) VAL [isInitial=1, last_1_var_1_14=32, last_1_var_1_16=1, last_1_var_1_1=0, last_1_var_1_20=1, last_1_var_1_9=10, var_1_10=199/2, var_1_14=32, var_1_15=5, var_1_16=1, var_1_17=2, var_1_18=1, var_1_19=1, var_1_1=0, var_1_20=1, var_1_21=-127, var_1_22=1/2, var_1_23=100, var_1_24=2, var_1_31=8, var_1_33=1, var_1_35=162/5, var_1_39=16, var_1_41=-2, var_1_42=10, var_1_43=0, var_1_44=10, var_1_45=-25, var_1_8=1, var_1_9=10] [L195] RET updateVariables() [L196] CALL step() [L59] COND FALSE !(\read(var_1_1)) [L66] var_1_24 = var_1_20 [L68] COND TRUE var_1_20 >= var_1_16 [L69] COND TRUE (4 % var_1_15) > var_1_19 [L70] var_1_31 = ((((((((var_1_15) < 0 ) ? -(var_1_15) : (var_1_15))) + 256) < 0 ) ? -(((((var_1_15) < 0 ) ? -(var_1_15) : (var_1_15))) + 256) : (((((var_1_15) < 0 ) ? -(var_1_15) : (var_1_15))) + 256))) [L75] var_1_33 = var_1_8 [L76] COND TRUE var_1_16 >= var_1_16 [L77] var_1_35 = ((var_1_36 - var_1_37) + var_1_12) [L79] COND FALSE !(var_1_1 || var_1_1) [L82] COND TRUE \read(var_1_8) [L83] var_1_41 = ((((var_1_18) < 0 ) ? -(var_1_18) : (var_1_18))) [L87] COND TRUE var_1_13 <= ((((var_1_12) < 0 ) ? -(var_1_12) : (var_1_12))) [L88] var_1_42 = (((((((var_1_43 + var_1_44) < 0 ) ? -(var_1_43 + var_1_44) : (var_1_43 + var_1_44))) < 0 ) ? -((((var_1_43 + var_1_44) < 0 ) ? -(var_1_43 + var_1_44) : (var_1_43 + var_1_44))) : ((((var_1_43 + var_1_44) < 0 ) ? -(var_1_43 + var_1_44) : (var_1_43 + var_1_44))))) [L90] COND FALSE !((var_1_16 / var_1_15) >= var_1_19) [L95] COND TRUE ((((var_1_37) < 0 ) ? -(var_1_37) : (var_1_37))) < (var_1_12 * var_1_11) [L96] var_1_45 = 4 [L99] unsigned char stepLocal_1 = last_1_var_1_14 > (last_1_var_1_16 - last_1_var_1_16); [L100] signed long int stepLocal_0 = last_1_var_1_20 * last_1_var_1_20; [L101] COND FALSE !(stepLocal_0 == last_1_var_1_14) [L106] unsigned long int stepLocal_6 = ((((var_1_15) > (last_1_var_1_9)) ? (var_1_15) : (last_1_var_1_9))) / var_1_17; [L107] EXPR 256u << last_1_var_1_16 [L107] COND TRUE stepLocal_6 <= (256u << last_1_var_1_16) [L108] var_1_16 = ((((var_1_18) > (var_1_19)) ? (var_1_18) : (var_1_19))) [L110] unsigned char stepLocal_5 = var_1_16 != var_1_16; [L111] unsigned char stepLocal_4 = var_1_8; [L112] COND TRUE (! var_1_1) || stepLocal_4 [L113] var_1_10 = (((((var_1_11 + var_1_12)) < (((((var_1_13) < 0 ) ? -(var_1_13) : (var_1_13))))) ? ((var_1_11 + var_1_12)) : (((((var_1_13) < 0 ) ? -(var_1_13) : (var_1_13)))))) [L121] var_1_20 = var_1_21 [L122] var_1_22 = var_1_12 [L123] var_1_23 = var_1_21 [L124] COND FALSE !(\read(var_1_1)) [L127] EXPR (var_1_16 / var_1_15) & var_1_16 [L127] COND FALSE !(((var_1_16 / var_1_15) & var_1_16) >= var_1_20) [L130] var_1_14 = -128 [L133] unsigned char stepLocal_3 = var_1_20 != var_1_14; [L134] signed long int stepLocal_2 = (((var_1_16) < (0)) ? (var_1_16) : (0)); [L135] COND TRUE (var_1_1 || (var_1_16 <= var_1_14)) || stepLocal_3 [L136] COND FALSE !(stepLocal_2 <= (-5 + var_1_16)) [L196] RET step() [L197] CALL, EXPR property() [L187] EXPR (((((last_1_var_1_20 * last_1_var_1_20) == last_1_var_1_14) ? (((last_1_var_1_14 > (last_1_var_1_16 - last_1_var_1_16)) && last_1_var_1_1) ? (var_1_1 == ((unsigned char) var_1_8)) : 1) : 1) && (((var_1_1 || (var_1_16 <= var_1_14)) || (var_1_20 != var_1_14)) ? ((((((var_1_16) < (0)) ? (var_1_16) : (0))) <= (-5 + var_1_16)) ? (var_1_9 == ((unsigned long int) var_1_16)) : 1) : 1)) && (((! var_1_1) || var_1_8) ? (var_1_10 == ((float) (((((var_1_11 + var_1_12)) < (((((var_1_13) < 0 ) ? -(var_1_13) : (var_1_13))))) ? ((var_1_11 + var_1_12)) : (((((var_1_13) < 0 ) ? -(var_1_13) : (var_1_13)))))))) : (((var_1_11 < var_1_12) || (var_1_16 != var_1_16)) ? (var_1_10 == ((float) var_1_13)) : (var_1_10 == ((float) var_1_12))))) && (var_1_1 ? (var_1_14 == ((signed short int) ((((var_1_23) > (var_1_16)) ? (var_1_23) : (var_1_16))))) : ((((var_1_16 / var_1_15) & var_1_16) >= var_1_20) ? (var_1_14 == ((signed short int) var_1_16)) : (var_1_14 == ((signed short int) -128)))) [L187] EXPR ((((((last_1_var_1_20 * last_1_var_1_20) == last_1_var_1_14) ? (((last_1_var_1_14 > (last_1_var_1_16 - last_1_var_1_16)) && last_1_var_1_1) ? (var_1_1 == ((unsigned char) var_1_8)) : 1) : 1) && (((var_1_1 || (var_1_16 <= var_1_14)) || (var_1_20 != var_1_14)) ? ((((((var_1_16) < (0)) ? (var_1_16) : (0))) <= (-5 + var_1_16)) ? (var_1_9 == ((unsigned long int) var_1_16)) : 1) : 1)) && (((! var_1_1) || var_1_8) ? (var_1_10 == ((float) (((((var_1_11 + var_1_12)) < (((((var_1_13) < 0 ) ? -(var_1_13) : (var_1_13))))) ? ((var_1_11 + var_1_12)) : (((((var_1_13) < 0 ) ? -(var_1_13) : (var_1_13)))))))) : (((var_1_11 < var_1_12) || (var_1_16 != var_1_16)) ? (var_1_10 == ((float) var_1_13)) : (var_1_10 == ((float) var_1_12))))) && (var_1_1 ? (var_1_14 == ((signed short int) ((((var_1_23) > (var_1_16)) ? (var_1_23) : (var_1_16))))) : ((((var_1_16 / var_1_15) & var_1_16) >= var_1_20) ? (var_1_14 == ((signed short int) var_1_16)) : (var_1_14 == ((signed short int) -128))))) && (((((((var_1_15) > (last_1_var_1_9)) ? (var_1_15) : (last_1_var_1_9))) / var_1_17) <= (256u << last_1_var_1_16)) ? (var_1_16 == ((unsigned char) ((((var_1_18) > (var_1_19)) ? (var_1_18) : (var_1_19))))) : 1) [L187-L188] return (((((((((last_1_var_1_20 * last_1_var_1_20) == last_1_var_1_14) ? (((last_1_var_1_14 > (last_1_var_1_16 - last_1_var_1_16)) && last_1_var_1_1) ? (var_1_1 == ((unsigned char) var_1_8)) : 1) : 1) && (((var_1_1 || (var_1_16 <= var_1_14)) || (var_1_20 != var_1_14)) ? ((((((var_1_16) < (0)) ? (var_1_16) : (0))) <= (-5 + var_1_16)) ? (var_1_9 == ((unsigned long int) var_1_16)) : 1) : 1)) && (((! var_1_1) || var_1_8) ? (var_1_10 == ((float) (((((var_1_11 + var_1_12)) < (((((var_1_13) < 0 ) ? -(var_1_13) : (var_1_13))))) ? ((var_1_11 + var_1_12)) : (((((var_1_13) < 0 ) ? -(var_1_13) : (var_1_13)))))))) : (((var_1_11 < var_1_12) || (var_1_16 != var_1_16)) ? (var_1_10 == ((float) var_1_13)) : (var_1_10 == ((float) var_1_12))))) && (var_1_1 ? (var_1_14 == ((signed short int) ((((var_1_23) > (var_1_16)) ? (var_1_23) : (var_1_16))))) : ((((var_1_16 / var_1_15) & var_1_16) >= var_1_20) ? (var_1_14 == ((signed short int) var_1_16)) : (var_1_14 == ((signed short int) -128))))) && (((((((var_1_15) > (last_1_var_1_9)) ? (var_1_15) : (last_1_var_1_9))) / var_1_17) <= (256u << last_1_var_1_16)) ? (var_1_16 == ((unsigned char) ((((var_1_18) > (var_1_19)) ? (var_1_18) : (var_1_19))))) : 1)) && (var_1_20 == ((signed char) var_1_21))) && (var_1_22 == ((float) var_1_12))) && (var_1_23 == ((signed char) var_1_21)) ; [L197] RET, EXPR property() [L197] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_14=32, last_1_var_1_16=1, last_1_var_1_1=0, last_1_var_1_20=1, last_1_var_1_9=10, var_1_10=2, var_1_12=3, var_1_13=0, var_1_14=-128, var_1_15=5, var_1_16=1, var_1_17=2, var_1_18=1, var_1_19=1, var_1_1=0, var_1_20=-127, var_1_21=-127, var_1_22=3, var_1_23=-127, var_1_24=1, var_1_31=261, var_1_33=1, var_1_39=16, var_1_41=1, var_1_42=10, var_1_43=0, var_1_44=10, var_1_45=4, var_1_8=1, var_1_9=10] [L19] reach_error() VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_14=32, last_1_var_1_16=1, last_1_var_1_1=0, last_1_var_1_20=1, last_1_var_1_9=10, var_1_10=2, var_1_12=3, var_1_13=0, var_1_14=-128, var_1_15=5, var_1_16=1, var_1_17=2, var_1_18=1, var_1_19=1, var_1_1=0, var_1_20=-127, var_1_21=-127, var_1_22=3, var_1_23=-127, var_1_24=1, var_1_31=261, var_1_33=1, var_1_39=16, var_1_41=1, var_1_42=10, var_1_43=0, var_1_44=10, var_1_45=4, var_1_8=1, var_1_9=10] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 45 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.9s, OverallIterations: 1, TraceHistogramMax: 23, 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=45occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 1.1s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 86 NumberOfCodeBlocks, 86 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 19:35:49,928 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_349b5692-d425-46c8-b9d0-c72b495e2ad2/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_349b5692-d425-46c8-b9d0-c72b495e2ad2/bin/utaipan-verify-nQ1chXbOIh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_349b5692-d425-46c8-b9d0-c72b495e2ad2/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_349b5692-d425-46c8-b9d0-c72b495e2ad2/bin/utaipan-verify-nQ1chXbOIh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_349b5692-d425-46c8-b9d0-c72b495e2ad2/bin/utaipan-verify-nQ1chXbOIh/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-ci_file-53.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_349b5692-d425-46c8-b9d0-c72b495e2ad2/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_349b5692-d425-46c8-b9d0-c72b495e2ad2/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 c98568d0b62219d2a302878a1e8805bbfc68639e4b7d512ba8c041809f98b0e4 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 19:35:51,889 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 19:35:51,967 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_349b5692-d425-46c8-b9d0-c72b495e2ad2/bin/utaipan-verify-nQ1chXbOIh/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2023-12-02 19:35:51,973 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-02 19:35:51,973 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-02 19:35:52,000 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 19:35:52,001 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-02 19:35:52,002 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-02 19:35:52,003 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 19:35:52,003 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-02 19:35:52,004 INFO L153 SettingsManager]: * User list type=DISABLED [2023-12-02 19:35:52,004 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-12-02 19:35:52,005 INFO L153 SettingsManager]: * Explicit value domain=true [2023-12-02 19:35:52,005 INFO L153 SettingsManager]: * Octagon Domain=false [2023-12-02 19:35:52,006 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-12-02 19:35:52,006 INFO L153 SettingsManager]: * Interval Domain=false [2023-12-02 19:35:52,007 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 19:35:52,008 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 19:35:52,008 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-02 19:35:52,009 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-02 19:35:52,009 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 19:35:52,012 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 19:35:52,013 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 19:35:52,013 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 19:35:52,013 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-02 19:35:52,014 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-02 19:35:52,014 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-02 19:35:52,015 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-02 19:35:52,015 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 19:35:52,015 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 19:35:52,016 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 19:35:52,016 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-12-02 19:35:52,016 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-02 19:35:52,017 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-02 19:35:52,017 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 19:35:52,017 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 19:35:52,017 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 19:35:52,017 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 19:35:52,018 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-12-02 19:35:52,018 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-02 19:35:52,018 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-02 19:35:52,018 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 19:35:52,019 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-12-02 19:35:52,019 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-02 19:35:52,019 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_349b5692-d425-46c8-b9d0-c72b495e2ad2/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_349b5692-d425-46c8-b9d0-c72b495e2ad2/bin/utaipan-verify-nQ1chXbOIh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c98568d0b62219d2a302878a1e8805bbfc68639e4b7d512ba8c041809f98b0e4 [2023-12-02 19:35:52,298 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 19:35:52,317 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 19:35:52,319 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 19:35:52,320 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 19:35:52,321 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 19:35:52,322 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_349b5692-d425-46c8-b9d0-c72b495e2ad2/bin/utaipan-verify-nQ1chXbOIh/../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-ci_file-53.i [2023-12-02 19:35:55,105 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 19:35:55,315 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 19:35:55,316 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_349b5692-d425-46c8-b9d0-c72b495e2ad2/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-ci_file-53.i [2023-12-02 19:35:55,326 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_349b5692-d425-46c8-b9d0-c72b495e2ad2/bin/utaipan-verify-nQ1chXbOIh/data/7d08690b7/149447ea7f734214b61332ea3ffa6a11/FLAG983ab2991 [2023-12-02 19:35:55,339 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_349b5692-d425-46c8-b9d0-c72b495e2ad2/bin/utaipan-verify-nQ1chXbOIh/data/7d08690b7/149447ea7f734214b61332ea3ffa6a11 [2023-12-02 19:35:55,341 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 19:35:55,342 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 19:35:55,343 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 19:35:55,343 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 19:35:55,347 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 19:35:55,348 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 07:35:55" (1/1) ... [2023-12-02 19:35:55,349 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@e1987b2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:35:55, skipping insertion in model container [2023-12-02 19:35:55,350 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 07:35:55" (1/1) ... [2023-12-02 19:35:55,381 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 19:35:55,536 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_349b5692-d425-46c8-b9d0-c72b495e2ad2/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-ci_file-53.i[919,932] [2023-12-02 19:35:55,603 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 19:35:55,620 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 19:35:55,633 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_349b5692-d425-46c8-b9d0-c72b495e2ad2/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-ci_file-53.i[919,932] [2023-12-02 19:35:55,668 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 19:35:55,687 INFO L206 MainTranslator]: Completed translation [2023-12-02 19:35:55,688 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:35:55 WrapperNode [2023-12-02 19:35:55,688 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 19:35:55,689 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 19:35:55,689 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 19:35:55,689 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 19:35:55,697 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:35:55" (1/1) ... [2023-12-02 19:35:55,711 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:35:55" (1/1) ... [2023-12-02 19:35:55,740 INFO L138 Inliner]: procedures = 27, calls = 36, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 187 [2023-12-02 19:35:55,740 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 19:35:55,741 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 19:35:55,741 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 19:35:55,741 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 19:35:55,751 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:35:55" (1/1) ... [2023-12-02 19:35:55,751 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:35:55" (1/1) ... [2023-12-02 19:35:55,756 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:35:55" (1/1) ... [2023-12-02 19:35:55,757 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:35:55" (1/1) ... [2023-12-02 19:35:55,770 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:35:55" (1/1) ... [2023-12-02 19:35:55,774 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:35:55" (1/1) ... [2023-12-02 19:35:55,778 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:35:55" (1/1) ... [2023-12-02 19:35:55,781 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:35:55" (1/1) ... [2023-12-02 19:35:55,786 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 19:35:55,787 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 19:35:55,787 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 19:35:55,787 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 19:35:55,788 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:35:55" (1/1) ... [2023-12-02 19:35:55,795 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 19:35:55,805 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_349b5692-d425-46c8-b9d0-c72b495e2ad2/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 19:35:55,821 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_349b5692-d425-46c8-b9d0-c72b495e2ad2/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-12-02 19:35:55,824 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_349b5692-d425-46c8-b9d0-c72b495e2ad2/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-12-02 19:35:55,863 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 19:35:55,863 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-12-02 19:35:55,863 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-12-02 19:35:55,864 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-12-02 19:35:55,864 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 19:35:55,864 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 19:35:55,958 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 19:35:55,961 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 19:35:57,350 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 19:35:57,395 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 19:35:57,395 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-02 19:35:57,396 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 07:35:57 BoogieIcfgContainer [2023-12-02 19:35:57,396 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 19:35:57,399 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-02 19:35:57,399 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-02 19:35:57,402 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-02 19:35:57,403 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 07:35:55" (1/3) ... [2023-12-02 19:35:57,404 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6a8c74bb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 07:35:57, skipping insertion in model container [2023-12-02 19:35:57,404 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:35:55" (2/3) ... [2023-12-02 19:35:57,404 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6a8c74bb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 07:35:57, skipping insertion in model container [2023-12-02 19:35:57,404 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 07:35:57" (3/3) ... [2023-12-02 19:35:57,406 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodestructure_filler-ps-ci_file-53.i [2023-12-02 19:35:57,421 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-02 19:35:57,421 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-12-02 19:35:57,462 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-02 19:35:57,468 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;@2a4a7e20, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-02 19:35:57,469 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-12-02 19:35:57,473 INFO L276 IsEmpty]: Start isEmpty. Operand has 76 states, 50 states have (on average 1.52) internal successors, (76), 51 states have internal predecessors, (76), 23 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2023-12-02 19:35:57,488 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2023-12-02 19:35:57,488 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 19:35:57,489 INFO L195 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 19:35:57,489 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 19:35:57,493 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 19:35:57,493 INFO L85 PathProgramCache]: Analyzing trace with hash -1251749114, now seen corresponding path program 1 times [2023-12-02 19:35:57,505 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-12-02 19:35:57,506 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [69289587] [2023-12-02 19:35:57,506 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 19:35:57,506 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 19:35:57,507 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_349b5692-d425-46c8-b9d0-c72b495e2ad2/bin/utaipan-verify-nQ1chXbOIh/mathsat [2023-12-02 19:35:57,508 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_349b5692-d425-46c8-b9d0-c72b495e2ad2/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 19:35:57,513 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_349b5692-d425-46c8-b9d0-c72b495e2ad2/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 19:35:57,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 19:35:57,933 INFO L262 TraceCheckSpWp]: Trace formula consists of 268 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 19:35:57,946 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 19:35:58,988 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2023-12-02 19:35:58,988 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-02 19:35:58,989 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-12-02 19:35:58,989 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [69289587] [2023-12-02 19:35:58,990 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [69289587] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 19:35:58,990 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 19:35:58,990 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-02 19:35:58,992 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [957247217] [2023-12-02 19:35:58,993 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 19:35:58,997 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-02 19:35:58,997 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-12-02 19:35:59,025 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-02 19:35:59,025 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-02 19:35:59,028 INFO L87 Difference]: Start difference. First operand has 76 states, 50 states have (on average 1.52) internal successors, (76), 51 states have internal predecessors, (76), 23 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) Second operand has 3 states, 3 states have (on average 13.333333333333334) internal successors, (40), 2 states have internal predecessors, (40), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2023-12-02 19:35:59,896 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 19:35:59,896 INFO L93 Difference]: Finished difference Result 212 states and 393 transitions. [2023-12-02 19:35:59,897 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 19:35:59,898 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 13.333333333333334) internal successors, (40), 2 states have internal predecessors, (40), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) Word has length 152 [2023-12-02 19:35:59,899 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 19:35:59,906 INFO L225 Difference]: With dead ends: 212 [2023-12-02 19:35:59,906 INFO L226 Difference]: Without dead ends: 137 [2023-12-02 19:35:59,910 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 151 GetRequests, 150 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 19:35:59,913 INFO L413 NwaCegarLoop]: 112 mSDtfsCounter, 34 mSDsluCounter, 95 mSDsCounter, 0 mSdLazyCounter, 31 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 34 SdHoareTripleChecker+Valid, 207 SdHoareTripleChecker+Invalid, 31 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 31 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2023-12-02 19:35:59,914 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [34 Valid, 207 Invalid, 31 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 31 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2023-12-02 19:35:59,930 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 137 states. [2023-12-02 19:35:59,970 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 137 to 119. [2023-12-02 19:35:59,972 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 119 states, 70 states have (on average 1.3428571428571427) internal successors, (94), 70 states have internal predecessors, (94), 46 states have call successors, (46), 2 states have call predecessors, (46), 2 states have return successors, (46), 46 states have call predecessors, (46), 46 states have call successors, (46) [2023-12-02 19:35:59,975 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 119 states and 186 transitions. [2023-12-02 19:35:59,977 INFO L78 Accepts]: Start accepts. Automaton has 119 states and 186 transitions. Word has length 152 [2023-12-02 19:35:59,978 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 19:35:59,978 INFO L495 AbstractCegarLoop]: Abstraction has 119 states and 186 transitions. [2023-12-02 19:35:59,978 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 13.333333333333334) internal successors, (40), 2 states have internal predecessors, (40), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2023-12-02 19:35:59,979 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 186 transitions. [2023-12-02 19:35:59,987 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2023-12-02 19:35:59,987 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 19:35:59,987 INFO L195 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 19:36:00,001 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_349b5692-d425-46c8-b9d0-c72b495e2ad2/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 19:36:00,192 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_349b5692-d425-46c8-b9d0-c72b495e2ad2/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 19:36:00,192 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 19:36:00,193 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 19:36:00,193 INFO L85 PathProgramCache]: Analyzing trace with hash -2045878724, now seen corresponding path program 1 times [2023-12-02 19:36:00,194 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-12-02 19:36:00,194 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [185924374] [2023-12-02 19:36:00,194 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 19:36:00,194 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 19:36:00,194 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_349b5692-d425-46c8-b9d0-c72b495e2ad2/bin/utaipan-verify-nQ1chXbOIh/mathsat [2023-12-02 19:36:00,195 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_349b5692-d425-46c8-b9d0-c72b495e2ad2/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 19:36:00,212 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_349b5692-d425-46c8-b9d0-c72b495e2ad2/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 19:36:00,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 19:36:00,589 INFO L262 TraceCheckSpWp]: Trace formula consists of 270 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-02 19:36:00,596 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 19:36:00,912 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2023-12-02 19:36:00,912 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-02 19:36:00,912 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-12-02 19:36:00,912 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [185924374] [2023-12-02 19:36:00,913 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [185924374] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 19:36:00,913 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 19:36:00,913 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-02 19:36:00,913 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [544340078] [2023-12-02 19:36:00,914 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 19:36:00,915 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-02 19:36:00,915 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-12-02 19:36:00,916 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-02 19:36:00,916 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-02 19:36:00,917 INFO L87 Difference]: Start difference. First operand 119 states and 186 transitions. Second operand has 3 states, 3 states have (on average 13.666666666666666) internal successors, (41), 2 states have internal predecessors, (41), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2023-12-02 19:36:01,291 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 19:36:01,291 INFO L93 Difference]: Finished difference Result 262 states and 409 transitions. [2023-12-02 19:36:01,292 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 19:36:01,292 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 13.666666666666666) internal successors, (41), 2 states have internal predecessors, (41), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) Word has length 153 [2023-12-02 19:36:01,293 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 19:36:01,296 INFO L225 Difference]: With dead ends: 262 [2023-12-02 19:36:01,296 INFO L226 Difference]: Without dead ends: 186 [2023-12-02 19:36:01,297 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 152 GetRequests, 151 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 19:36:01,299 INFO L413 NwaCegarLoop]: 112 mSDtfsCounter, 35 mSDsluCounter, 98 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 35 SdHoareTripleChecker+Valid, 210 SdHoareTripleChecker+Invalid, 27 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-12-02 19:36:01,299 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [35 Valid, 210 Invalid, 27 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-12-02 19:36:01,301 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 186 states. [2023-12-02 19:36:01,339 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 186 to 184. [2023-12-02 19:36:01,340 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 184 states, 111 states have (on average 1.3063063063063063) internal successors, (145), 111 states have internal predecessors, (145), 69 states have call successors, (69), 3 states have call predecessors, (69), 3 states have return successors, (69), 69 states have call predecessors, (69), 69 states have call successors, (69) [2023-12-02 19:36:01,342 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 184 states to 184 states and 283 transitions. [2023-12-02 19:36:01,343 INFO L78 Accepts]: Start accepts. Automaton has 184 states and 283 transitions. Word has length 153 [2023-12-02 19:36:01,344 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 19:36:01,344 INFO L495 AbstractCegarLoop]: Abstraction has 184 states and 283 transitions. [2023-12-02 19:36:01,344 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 13.666666666666666) internal successors, (41), 2 states have internal predecessors, (41), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2023-12-02 19:36:01,344 INFO L276 IsEmpty]: Start isEmpty. Operand 184 states and 283 transitions. [2023-12-02 19:36:01,347 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2023-12-02 19:36:01,347 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 19:36:01,348 INFO L195 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 19:36:01,360 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_349b5692-d425-46c8-b9d0-c72b495e2ad2/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 19:36:01,560 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_349b5692-d425-46c8-b9d0-c72b495e2ad2/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 19:36:01,560 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 19:36:01,561 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 19:36:01,561 INFO L85 PathProgramCache]: Analyzing trace with hash -1966786749, now seen corresponding path program 1 times [2023-12-02 19:36:01,562 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-12-02 19:36:01,562 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [351474766] [2023-12-02 19:36:01,562 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 19:36:01,563 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 19:36:01,563 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_349b5692-d425-46c8-b9d0-c72b495e2ad2/bin/utaipan-verify-nQ1chXbOIh/mathsat [2023-12-02 19:36:01,564 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_349b5692-d425-46c8-b9d0-c72b495e2ad2/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 19:36:01,565 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_349b5692-d425-46c8-b9d0-c72b495e2ad2/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 19:36:01,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 19:36:01,996 INFO L262 TraceCheckSpWp]: Trace formula consists of 272 conjuncts, 6 conjunts are in the unsatisfiable core [2023-12-02 19:36:02,001 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 19:36:02,904 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2023-12-02 19:36:02,904 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-02 19:36:02,904 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-12-02 19:36:02,904 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [351474766] [2023-12-02 19:36:02,905 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [351474766] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 19:36:02,905 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 19:36:02,905 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-12-02 19:36:02,905 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1926064077] [2023-12-02 19:36:02,905 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 19:36:02,906 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-02 19:36:02,906 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-12-02 19:36:02,907 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-02 19:36:02,907 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-12-02 19:36:02,907 INFO L87 Difference]: Start difference. First operand 184 states and 283 transitions. Second operand has 5 states, 5 states have (on average 8.4) internal successors, (42), 4 states have internal predecessors, (42), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2023-12-02 19:36:03,895 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 19:36:03,896 INFO L93 Difference]: Finished difference Result 351 states and 538 transitions. [2023-12-02 19:36:03,896 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-12-02 19:36:03,897 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.4) internal successors, (42), 4 states have internal predecessors, (42), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) Word has length 154 [2023-12-02 19:36:03,898 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 19:36:03,899 INFO L225 Difference]: With dead ends: 351 [2023-12-02 19:36:03,899 INFO L226 Difference]: Without dead ends: 211 [2023-12-02 19:36:03,900 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 156 GetRequests, 150 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2023-12-02 19:36:03,901 INFO L413 NwaCegarLoop]: 109 mSDtfsCounter, 84 mSDsluCounter, 273 mSDsCounter, 0 mSdLazyCounter, 80 mSolverCounterSat, 47 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 84 SdHoareTripleChecker+Valid, 382 SdHoareTripleChecker+Invalid, 127 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 47 IncrementalHoareTripleChecker+Valid, 80 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2023-12-02 19:36:03,901 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [84 Valid, 382 Invalid, 127 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [47 Valid, 80 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2023-12-02 19:36:03,902 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 211 states. [2023-12-02 19:36:03,930 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 211 to 195. [2023-12-02 19:36:03,931 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 195 states, 122 states have (on average 1.3278688524590163) internal successors, (162), 122 states have internal predecessors, (162), 69 states have call successors, (69), 3 states have call predecessors, (69), 3 states have return successors, (69), 69 states have call predecessors, (69), 69 states have call successors, (69) [2023-12-02 19:36:03,933 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 195 states to 195 states and 300 transitions. [2023-12-02 19:36:03,933 INFO L78 Accepts]: Start accepts. Automaton has 195 states and 300 transitions. Word has length 154 [2023-12-02 19:36:03,934 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 19:36:03,934 INFO L495 AbstractCegarLoop]: Abstraction has 195 states and 300 transitions. [2023-12-02 19:36:03,935 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.4) internal successors, (42), 4 states have internal predecessors, (42), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2023-12-02 19:36:03,935 INFO L276 IsEmpty]: Start isEmpty. Operand 195 states and 300 transitions. [2023-12-02 19:36:03,937 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2023-12-02 19:36:03,937 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 19:36:03,937 INFO L195 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 19:36:03,950 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_349b5692-d425-46c8-b9d0-c72b495e2ad2/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 19:36:04,144 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_349b5692-d425-46c8-b9d0-c72b495e2ad2/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 19:36:04,144 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 19:36:04,145 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 19:36:04,145 INFO L85 PathProgramCache]: Analyzing trace with hash 961286621, now seen corresponding path program 1 times [2023-12-02 19:36:04,146 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-12-02 19:36:04,146 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [25185380] [2023-12-02 19:36:04,146 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 19:36:04,146 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 19:36:04,146 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_349b5692-d425-46c8-b9d0-c72b495e2ad2/bin/utaipan-verify-nQ1chXbOIh/mathsat [2023-12-02 19:36:04,147 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_349b5692-d425-46c8-b9d0-c72b495e2ad2/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 19:36:04,148 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_349b5692-d425-46c8-b9d0-c72b495e2ad2/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)] Waiting until timeout for monitored process [2023-12-02 19:36:04,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 19:36:04,570 INFO L262 TraceCheckSpWp]: Trace formula consists of 270 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-02 19:36:04,573 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 19:36:04,610 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2023-12-02 19:36:04,610 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-02 19:36:04,610 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-12-02 19:36:04,611 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [25185380] [2023-12-02 19:36:04,611 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [25185380] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 19:36:04,611 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 19:36:04,611 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-02 19:36:04,611 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [683904221] [2023-12-02 19:36:04,612 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 19:36:04,612 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-02 19:36:04,612 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-12-02 19:36:04,613 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-02 19:36:04,613 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-02 19:36:04,613 INFO L87 Difference]: Start difference. First operand 195 states and 300 transitions. Second operand has 3 states, 3 states have (on average 14.0) internal successors, (42), 3 states have internal predecessors, (42), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2023-12-02 19:36:05,891 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 19:36:05,891 INFO L93 Difference]: Finished difference Result 412 states and 633 transitions. [2023-12-02 19:36:05,894 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 19:36:05,894 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 14.0) internal successors, (42), 3 states have internal predecessors, (42), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) Word has length 154 [2023-12-02 19:36:05,895 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 19:36:05,897 INFO L225 Difference]: With dead ends: 412 [2023-12-02 19:36:05,897 INFO L226 Difference]: Without dead ends: 272 [2023-12-02 19:36:05,898 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 153 GetRequests, 152 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 19:36:05,899 INFO L413 NwaCegarLoop]: 202 mSDtfsCounter, 103 mSDsluCounter, 98 mSDsCounter, 0 mSdLazyCounter, 38 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 103 SdHoareTripleChecker+Valid, 300 SdHoareTripleChecker+Invalid, 38 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 38 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2023-12-02 19:36:05,899 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [103 Valid, 300 Invalid, 38 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 38 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2023-12-02 19:36:05,900 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 272 states. [2023-12-02 19:36:05,926 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 272 to 197. [2023-12-02 19:36:05,927 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 197 states, 124 states have (on average 1.3225806451612903) internal successors, (164), 124 states have internal predecessors, (164), 69 states have call successors, (69), 3 states have call predecessors, (69), 3 states have return successors, (69), 69 states have call predecessors, (69), 69 states have call successors, (69) [2023-12-02 19:36:05,929 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 197 states to 197 states and 302 transitions. [2023-12-02 19:36:05,929 INFO L78 Accepts]: Start accepts. Automaton has 197 states and 302 transitions. Word has length 154 [2023-12-02 19:36:05,930 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 19:36:05,930 INFO L495 AbstractCegarLoop]: Abstraction has 197 states and 302 transitions. [2023-12-02 19:36:05,931 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 14.0) internal successors, (42), 3 states have internal predecessors, (42), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2023-12-02 19:36:05,931 INFO L276 IsEmpty]: Start isEmpty. Operand 197 states and 302 transitions. [2023-12-02 19:36:05,933 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2023-12-02 19:36:05,933 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 19:36:05,933 INFO L195 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 19:36:05,946 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_349b5692-d425-46c8-b9d0-c72b495e2ad2/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)] Ended with exit code 0 [2023-12-02 19:36:06,134 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_349b5692-d425-46c8-b9d0-c72b495e2ad2/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 19:36:06,134 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 19:36:06,135 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 19:36:06,135 INFO L85 PathProgramCache]: Analyzing trace with hash 1018544923, now seen corresponding path program 1 times [2023-12-02 19:36:06,136 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-12-02 19:36:06,136 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1006026483] [2023-12-02 19:36:06,136 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 19:36:06,136 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-02 19:36:06,137 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_349b5692-d425-46c8-b9d0-c72b495e2ad2/bin/utaipan-verify-nQ1chXbOIh/mathsat [2023-12-02 19:36:06,137 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_349b5692-d425-46c8-b9d0-c72b495e2ad2/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 19:36:06,138 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_349b5692-d425-46c8-b9d0-c72b495e2ad2/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 19:36:06,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 19:36:06,513 INFO L262 TraceCheckSpWp]: Trace formula consists of 270 conjuncts, 7 conjunts are in the unsatisfiable core [2023-12-02 19:36:06,517 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 19:36:06,766 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 472 proven. 21 refuted. 0 times theorem prover too weak. 519 trivial. 0 not checked. [2023-12-02 19:36:06,766 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 19:36:07,074 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 45 proven. 21 refuted. 0 times theorem prover too weak. 946 trivial. 0 not checked. [2023-12-02 19:36:07,074 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-12-02 19:36:07,074 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1006026483] [2023-12-02 19:36:07,074 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1006026483] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-02 19:36:07,075 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [258012288] [2023-12-02 19:36:07,075 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 19:36:07,075 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 19:36:07,075 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_349b5692-d425-46c8-b9d0-c72b495e2ad2/bin/utaipan-verify-nQ1chXbOIh/cvc4 [2023-12-02 19:36:07,078 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_349b5692-d425-46c8-b9d0-c72b495e2ad2/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 19:36:07,081 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_349b5692-d425-46c8-b9d0-c72b495e2ad2/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2023-12-02 19:36:08,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 19:36:08,074 INFO L262 TraceCheckSpWp]: Trace formula consists of 270 conjuncts, 8 conjunts are in the unsatisfiable core [2023-12-02 19:36:08,077 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 19:36:08,229 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 472 proven. 21 refuted. 0 times theorem prover too weak. 519 trivial. 0 not checked. [2023-12-02 19:36:08,229 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 19:36:08,403 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 45 proven. 21 refuted. 0 times theorem prover too weak. 946 trivial. 0 not checked. [2023-12-02 19:36:08,404 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [258012288] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-02 19:36:08,404 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [177973979] [2023-12-02 19:36:08,404 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 19:36:08,404 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 19:36:08,404 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_349b5692-d425-46c8-b9d0-c72b495e2ad2/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 19:36:08,407 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_349b5692-d425-46c8-b9d0-c72b495e2ad2/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-02 19:36:08,412 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_349b5692-d425-46c8-b9d0-c72b495e2ad2/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2023-12-02 19:36:08,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 19:36:08,682 INFO L262 TraceCheckSpWp]: Trace formula consists of 270 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 19:36:08,685 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 19:36:09,594 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 462 proven. 141 refuted. 0 times theorem prover too weak. 409 trivial. 0 not checked. [2023-12-02 19:36:09,595 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 19:36:09,957 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 45 proven. 21 refuted. 0 times theorem prover too weak. 946 trivial. 0 not checked. [2023-12-02 19:36:09,957 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [177973979] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-02 19:36:09,957 INFO L185 FreeRefinementEngine]: Found 0 perfect and 6 imperfect interpolant sequences. [2023-12-02 19:36:09,958 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8, 8, 8, 15, 9] total 22 [2023-12-02 19:36:09,958 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [880139949] [2023-12-02 19:36:09,958 INFO L85 oduleStraightlineAll]: Using 6 imperfect interpolants to construct interpolant automaton [2023-12-02 19:36:09,960 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2023-12-02 19:36:09,960 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-12-02 19:36:09,961 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2023-12-02 19:36:09,961 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=95, Invalid=367, Unknown=0, NotChecked=0, Total=462 [2023-12-02 19:36:09,962 INFO L87 Difference]: Start difference. First operand 197 states and 302 transitions. Second operand has 22 states, 22 states have (on average 4.590909090909091) internal successors, (101), 21 states have internal predecessors, (101), 6 states have call successors, (59), 5 states have call predecessors, (59), 9 states have return successors, (62), 6 states have call predecessors, (62), 6 states have call successors, (62) [2023-12-02 19:36:12,687 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 19:36:12,687 INFO L93 Difference]: Finished difference Result 481 states and 694 transitions. [2023-12-02 19:36:12,688 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2023-12-02 19:36:12,688 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 22 states have (on average 4.590909090909091) internal successors, (101), 21 states have internal predecessors, (101), 6 states have call successors, (59), 5 states have call predecessors, (59), 9 states have return successors, (62), 6 states have call predecessors, (62), 6 states have call successors, (62) Word has length 154 [2023-12-02 19:36:12,689 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 19:36:12,690 INFO L225 Difference]: With dead ends: 481 [2023-12-02 19:36:12,691 INFO L226 Difference]: Without dead ends: 333 [2023-12-02 19:36:12,692 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 961 GetRequests, 898 SyntacticMatches, 3 SemanticMatches, 60 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 971 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=915, Invalid=2867, Unknown=0, NotChecked=0, Total=3782 [2023-12-02 19:36:12,693 INFO L413 NwaCegarLoop]: 149 mSDtfsCounter, 504 mSDsluCounter, 519 mSDsCounter, 0 mSdLazyCounter, 731 mSolverCounterSat, 408 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 504 SdHoareTripleChecker+Valid, 668 SdHoareTripleChecker+Invalid, 1139 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 408 IncrementalHoareTripleChecker+Valid, 731 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2023-12-02 19:36:12,694 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [504 Valid, 668 Invalid, 1139 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [408 Valid, 731 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2023-12-02 19:36:12,695 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 333 states. [2023-12-02 19:36:12,722 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 333 to 231. [2023-12-02 19:36:12,723 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 231 states, 149 states have (on average 1.221476510067114) internal successors, (182), 149 states have internal predecessors, (182), 69 states have call successors, (69), 12 states have call predecessors, (69), 12 states have return successors, (69), 69 states have call predecessors, (69), 69 states have call successors, (69) [2023-12-02 19:36:12,725 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 231 states to 231 states and 320 transitions. [2023-12-02 19:36:12,725 INFO L78 Accepts]: Start accepts. Automaton has 231 states and 320 transitions. Word has length 154 [2023-12-02 19:36:12,726 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 19:36:12,726 INFO L495 AbstractCegarLoop]: Abstraction has 231 states and 320 transitions. [2023-12-02 19:36:12,727 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 22 states have (on average 4.590909090909091) internal successors, (101), 21 states have internal predecessors, (101), 6 states have call successors, (59), 5 states have call predecessors, (59), 9 states have return successors, (62), 6 states have call predecessors, (62), 6 states have call successors, (62) [2023-12-02 19:36:12,727 INFO L276 IsEmpty]: Start isEmpty. Operand 231 states and 320 transitions. [2023-12-02 19:36:12,729 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2023-12-02 19:36:12,729 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 19:36:12,729 INFO L195 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 19:36:12,742 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_349b5692-d425-46c8-b9d0-c72b495e2ad2/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 19:36:12,936 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_349b5692-d425-46c8-b9d0-c72b495e2ad2/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt (7)] Ended with exit code 0 [2023-12-02 19:36:13,145 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_349b5692-d425-46c8-b9d0-c72b495e2ad2/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2023-12-02 19:36:13,330 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_349b5692-d425-46c8-b9d0-c72b495e2ad2/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=3,7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_349b5692-d425-46c8-b9d0-c72b495e2ad2/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt,8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_349b5692-d425-46c8-b9d0-c72b495e2ad2/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 19:36:13,330 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 19:36:13,331 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 19:36:13,331 INFO L85 PathProgramCache]: Analyzing trace with hash -274734022, now seen corresponding path program 1 times [2023-12-02 19:36:13,331 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-12-02 19:36:13,331 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [814076855] [2023-12-02 19:36:13,332 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 19:36:13,332 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 19:36:13,332 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_349b5692-d425-46c8-b9d0-c72b495e2ad2/bin/utaipan-verify-nQ1chXbOIh/mathsat [2023-12-02 19:36:13,333 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_349b5692-d425-46c8-b9d0-c72b495e2ad2/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 19:36:13,334 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_349b5692-d425-46c8-b9d0-c72b495e2ad2/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 (9)] Waiting until timeout for monitored process [2023-12-02 19:36:13,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 19:36:13,725 INFO L262 TraceCheckSpWp]: Trace formula consists of 269 conjuncts, 27 conjunts are in the unsatisfiable core [2023-12-02 19:36:13,731 INFO L285 TraceCheckSpWp]: Computing forward predicates...