./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-ci_file-80.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 30e01a73 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_6b5e6df4-fef2-4ed4-8ee9-a30a0349d0d4/bin/utaipan-verify-mE87zJ7Ire/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b5e6df4-fef2-4ed4-8ee9-a30a0349d0d4/bin/utaipan-verify-mE87zJ7Ire/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b5e6df4-fef2-4ed4-8ee9-a30a0349d0d4/bin/utaipan-verify-mE87zJ7Ire/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b5e6df4-fef2-4ed4-8ee9-a30a0349d0d4/bin/utaipan-verify-mE87zJ7Ire/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-ci_file-80.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b5e6df4-fef2-4ed4-8ee9-a30a0349d0d4/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b5e6df4-fef2-4ed4-8ee9-a30a0349d0d4/bin/utaipan-verify-mE87zJ7Ire --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 8f27fb34f402b9a11855b517957953eefe825c2ac20a4109c7810b48044f1231 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 21:08:06,907 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 21:08:06,984 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b5e6df4-fef2-4ed4-8ee9-a30a0349d0d4/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Reach-32bit-Taipan_Default.epf [2023-11-23 21:08:06,990 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 21:08:06,991 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-23 21:08:07,020 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 21:08:07,021 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-23 21:08:07,021 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-23 21:08:07,022 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 21:08:07,023 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-23 21:08:07,023 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-23 21:08:07,024 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-23 21:08:07,024 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-23 21:08:07,025 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-23 21:08:07,026 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-23 21:08:07,026 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-23 21:08:07,027 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-23 21:08:07,027 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-23 21:08:07,028 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-23 21:08:07,028 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-23 21:08:07,029 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-23 21:08:07,029 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-23 21:08:07,030 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 21:08:07,031 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 21:08:07,031 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-23 21:08:07,032 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-23 21:08:07,032 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-23 21:08:07,032 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 21:08:07,033 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 21:08:07,033 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 21:08:07,034 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 21:08:07,034 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-23 21:08:07,034 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 21:08:07,035 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 21:08:07,035 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 21:08:07,035 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-23 21:08:07,035 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-23 21:08:07,036 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:08:07,036 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 21:08:07,036 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 21:08:07,037 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 21:08:07,037 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-23 21:08:07,037 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-23 21:08:07,037 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-23 21:08:07,038 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 21:08:07,038 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-23 21:08:07,038 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-23 21:08:07,038 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_6b5e6df4-fef2-4ed4-8ee9-a30a0349d0d4/bin/utaipan-verify-mE87zJ7Ire/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b5e6df4-fef2-4ed4-8ee9-a30a0349d0d4/bin/utaipan-verify-mE87zJ7Ire Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8f27fb34f402b9a11855b517957953eefe825c2ac20a4109c7810b48044f1231 [2023-11-23 21:08:07,370 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 21:08:07,402 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 21:08:07,404 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 21:08:07,407 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 21:08:07,407 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 21:08:07,409 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b5e6df4-fef2-4ed4-8ee9-a30a0349d0d4/bin/utaipan-verify-mE87zJ7Ire/../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-ci_file-80.i [2023-11-23 21:08:10,510 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 21:08:10,879 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 21:08:10,879 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b5e6df4-fef2-4ed4-8ee9-a30a0349d0d4/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-ci_file-80.i [2023-11-23 21:08:10,890 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b5e6df4-fef2-4ed4-8ee9-a30a0349d0d4/bin/utaipan-verify-mE87zJ7Ire/data/449407c69/2a694714632f4ce3ba74b65020970a25/FLAG884f17f01 [2023-11-23 21:08:10,905 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b5e6df4-fef2-4ed4-8ee9-a30a0349d0d4/bin/utaipan-verify-mE87zJ7Ire/data/449407c69/2a694714632f4ce3ba74b65020970a25 [2023-11-23 21:08:10,908 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 21:08:10,911 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 21:08:10,913 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 21:08:10,913 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 21:08:10,919 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 21:08:10,922 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:08:10" (1/1) ... [2023-11-23 21:08:10,923 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@76c61b96 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:08:10, skipping insertion in model container [2023-11-23 21:08:10,923 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:08:10" (1/1) ... [2023-11-23 21:08:10,978 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 21:08:11,146 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_6b5e6df4-fef2-4ed4-8ee9-a30a0349d0d4/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-ci_file-80.i[919,932] [2023-11-23 21:08:11,228 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 21:08:11,243 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 21:08:11,255 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_6b5e6df4-fef2-4ed4-8ee9-a30a0349d0d4/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-ci_file-80.i[919,932] [2023-11-23 21:08:11,303 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 21:08:11,322 INFO L206 MainTranslator]: Completed translation [2023-11-23 21:08:11,323 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:08:11 WrapperNode [2023-11-23 21:08:11,323 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 21:08:11,324 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 21:08:11,324 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 21:08:11,324 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 21:08:11,338 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:08:11" (1/1) ... [2023-11-23 21:08:11,358 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:08:11" (1/1) ... [2023-11-23 21:08:11,447 INFO L138 Inliner]: procedures = 26, calls = 42, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 226 [2023-11-23 21:08:11,448 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 21:08:11,449 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 21:08:11,450 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 21:08:11,450 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 21:08:11,460 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:08:11" (1/1) ... [2023-11-23 21:08:11,461 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:08:11" (1/1) ... [2023-11-23 21:08:11,466 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:08:11" (1/1) ... [2023-11-23 21:08:11,466 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:08:11" (1/1) ... [2023-11-23 21:08:11,485 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:08:11" (1/1) ... [2023-11-23 21:08:11,489 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:08:11" (1/1) ... [2023-11-23 21:08:11,494 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:08:11" (1/1) ... [2023-11-23 21:08:11,498 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:08:11" (1/1) ... [2023-11-23 21:08:11,505 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 21:08:11,506 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 21:08:11,506 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 21:08:11,506 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 21:08:11,507 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:08:11" (1/1) ... [2023-11-23 21:08:11,516 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:08:11,547 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b5e6df4-fef2-4ed4-8ee9-a30a0349d0d4/bin/utaipan-verify-mE87zJ7Ire/z3 [2023-11-23 21:08:11,566 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b5e6df4-fef2-4ed4-8ee9-a30a0349d0d4/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-23 21:08:11,610 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 21:08:11,610 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-23 21:08:11,611 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-23 21:08:11,611 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-23 21:08:11,613 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 21:08:11,613 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 21:08:11,596 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b5e6df4-fef2-4ed4-8ee9-a30a0349d0d4/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-23 21:08:11,710 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 21:08:11,712 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 21:08:12,251 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 21:08:12,683 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 21:08:12,684 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-23 21:08:12,686 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:08:12 BoogieIcfgContainer [2023-11-23 21:08:12,686 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 21:08:12,691 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-23 21:08:12,692 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-23 21:08:12,695 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-23 21:08:12,696 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 09:08:10" (1/3) ... [2023-11-23 21:08:12,698 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@69e9e442 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:08:12, skipping insertion in model container [2023-11-23 21:08:12,698 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:08:11" (2/3) ... [2023-11-23 21:08:12,700 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@69e9e442 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:08:12, skipping insertion in model container [2023-11-23 21:08:12,700 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:08:12" (3/3) ... [2023-11-23 21:08:12,701 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodestructure_filler-pr-ci_file-80.i [2023-11-23 21:08:12,727 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-23 21:08:12,727 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-23 21:08:12,782 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-23 21:08:12,789 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;@18dd30b5, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-23 21:08:12,789 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-23 21:08:12,793 INFO L276 IsEmpty]: Start isEmpty. Operand has 57 states, 25 states have (on average 1.12) internal successors, (28), 26 states have internal predecessors, (28), 29 states have call successors, (29), 1 states have call predecessors, (29), 1 states have return successors, (29), 29 states have call predecessors, (29), 29 states have call successors, (29) [2023-11-23 21:08:12,804 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2023-11-23 21:08:12,805 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:08:12,806 INFO L195 NwaCegarLoop]: trace histogram [29, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 21:08:12,806 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:08:12,812 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:08:12,812 INFO L85 PathProgramCache]: Analyzing trace with hash -342288408, now seen corresponding path program 1 times [2023-11-23 21:08:12,820 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-23 21:08:12,821 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [806582548] [2023-11-23 21:08:12,821 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:08:12,822 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 21:08:13,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-23 21:08:13,682 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-23 21:08:14,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-23 21:08:14,185 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2023-11-23 21:08:14,187 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-23 21:08:14,189 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-23 21:08:14,191 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-23 21:08:14,196 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-11-23 21:08:14,200 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-23 21:08:14,360 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 09:08:14 BoogieIcfgContainer [2023-11-23 21:08:14,360 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-23 21:08:14,362 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-23 21:08:14,362 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-23 21:08:14,362 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-23 21:08:14,363 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:08:12" (3/4) ... [2023-11-23 21:08:14,367 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-23 21:08:14,368 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-23 21:08:14,370 INFO L158 Benchmark]: Toolchain (without parser) took 3458.44ms. Allocated memory was 155.2MB in the beginning and 213.9MB in the end (delta: 58.7MB). Free memory was 121.9MB in the beginning and 107.9MB in the end (delta: 14.0MB). Peak memory consumption was 75.4MB. Max. memory is 16.1GB. [2023-11-23 21:08:14,370 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 155.2MB. Free memory is still 101.1MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 21:08:14,372 INFO L158 Benchmark]: CACSL2BoogieTranslator took 410.35ms. Allocated memory is still 155.2MB. Free memory was 121.4MB in the beginning and 105.8MB in the end (delta: 15.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-11-23 21:08:14,372 INFO L158 Benchmark]: Boogie Procedure Inliner took 124.29ms. Allocated memory is still 155.2MB. Free memory was 105.8MB in the beginning and 101.1MB in the end (delta: 4.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-23 21:08:14,375 INFO L158 Benchmark]: Boogie Preprocessor took 56.30ms. Allocated memory is still 155.2MB. Free memory was 101.1MB in the beginning and 98.6MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-23 21:08:14,379 INFO L158 Benchmark]: RCFGBuilder took 1180.29ms. Allocated memory was 155.2MB in the beginning and 213.9MB in the end (delta: 58.7MB). Free memory was 98.6MB in the beginning and 150.4MB in the end (delta: -51.8MB). Peak memory consumption was 47.6MB. Max. memory is 16.1GB. [2023-11-23 21:08:14,380 INFO L158 Benchmark]: TraceAbstraction took 1668.91ms. Allocated memory is still 213.9MB. Free memory was 150.4MB in the beginning and 108.9MB in the end (delta: 41.4MB). Peak memory consumption was 40.4MB. Max. memory is 16.1GB. [2023-11-23 21:08:14,381 INFO L158 Benchmark]: Witness Printer took 6.37ms. Allocated memory is still 213.9MB. Free memory was 108.9MB in the beginning and 107.9MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-23 21:08:14,389 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33ms. Allocated memory is still 155.2MB. Free memory is still 101.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 410.35ms. Allocated memory is still 155.2MB. Free memory was 121.4MB in the beginning and 105.8MB in the end (delta: 15.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 124.29ms. Allocated memory is still 155.2MB. Free memory was 105.8MB in the beginning and 101.1MB in the end (delta: 4.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 56.30ms. Allocated memory is still 155.2MB. Free memory was 101.1MB in the beginning and 98.6MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1180.29ms. Allocated memory was 155.2MB in the beginning and 213.9MB in the end (delta: 58.7MB). Free memory was 98.6MB in the beginning and 150.4MB in the end (delta: -51.8MB). Peak memory consumption was 47.6MB. Max. memory is 16.1GB. * TraceAbstraction took 1668.91ms. Allocated memory is still 213.9MB. Free memory was 150.4MB in the beginning and 108.9MB in the end (delta: 41.4MB). Peak memory consumption was 40.4MB. Max. memory is 16.1GB. * Witness Printer took 6.37ms. Allocated memory is still 213.9MB. Free memory was 108.9MB in the beginning and 107.9MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.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 92, overapproximation of bitwiseOr at line 107, overapproximation of bitwiseAnd at line 71, overapproximation of someBinaryArithmeticDOUBLEoperation at line 83, overapproximation of someBinaryDOUBLEComparisonOperation at line 69. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] signed short int var_1_1 = 128; [L23] double var_1_2 = 24.25; [L24] double var_1_3 = 128.5; [L25] double var_1_4 = 4.5; [L26] double var_1_5 = 49.5; [L27] signed short int var_1_9 = -25; [L28] unsigned char var_1_10 = 200; [L29] unsigned char var_1_11 = 1; [L30] unsigned char var_1_12 = 1; [L31] double var_1_13 = 128.375; [L32] unsigned short int var_1_14 = 0; [L33] float var_1_15 = 0.0; [L34] float var_1_16 = 4.87; [L35] float var_1_17 = 8.875; [L36] signed short int var_1_18 = -128; [L37] unsigned char var_1_19 = 0; [L38] unsigned char var_1_20 = 1; [L39] unsigned char var_1_21 = 0; [L40] unsigned long int var_1_22 = 16; [L41] unsigned long int var_1_23 = 4200661734; [L42] float var_1_24 = 9999999999.375; [L43] double var_1_28 = 9.25; [L44] double var_1_29 = 0.0; [L45] double var_1_30 = 127.6; [L46] unsigned long int var_1_32 = 128; [L47] unsigned long int var_1_34 = 1089279310; [L48] unsigned long int var_1_35 = 1307137784; [L49] unsigned long int var_1_36 = 1417807175; [L50] unsigned long int var_1_38 = 2; [L51] unsigned short int var_1_40 = 5; [L52] unsigned char var_1_44 = 5; [L53] unsigned char var_1_46 = 16; [L54] unsigned char last_1_var_1_10 = 200; [L184] isInitial = 1 [L185] FCALL initially() [L186] COND TRUE 1 [L187] CALL updateLastVariables() [L177] last_1_var_1_10 = var_1_10 [L187] RET updateLastVariables() [L188] CALL updateVariables() [L127] var_1_2 = __VERIFIER_nondet_double() [L128] CALL assume_abort_if_not((var_1_2 >= 0.0F && var_1_2 <= -1.0e-20F) || (var_1_2 <= 9223372.036854776000e+12F && var_1_2 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=200, var_1_10=200, var_1_11=1, var_1_12=1, var_1_13=1027/8, var_1_14=0, var_1_15=0, var_1_16=487/100, var_1_17=71/8, var_1_18=-128, var_1_19=0, var_1_1=128, var_1_20=1, var_1_21=0, var_1_22=16, var_1_23=4200661734, var_1_24=79999999995/8, var_1_28=37/4, var_1_29=0, var_1_30=638/5, var_1_32=128, var_1_34=1089279310, var_1_35=1307137784, var_1_36=1417807175, var_1_38=2, var_1_3=257/2, var_1_40=5, var_1_44=5, var_1_46=16, var_1_4=9/2, var_1_5=99/2, var_1_9=-25] [L20] COND FALSE !(!cond) [L128] RET assume_abort_if_not((var_1_2 >= 0.0F && var_1_2 <= -1.0e-20F) || (var_1_2 <= 9223372.036854776000e+12F && var_1_2 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_10=200, var_1_10=200, var_1_11=1, var_1_12=1, var_1_13=1027/8, var_1_14=0, var_1_15=0, var_1_16=487/100, var_1_17=71/8, var_1_18=-128, var_1_19=0, var_1_1=128, var_1_20=1, var_1_21=0, var_1_22=16, var_1_23=4200661734, var_1_24=79999999995/8, var_1_28=37/4, var_1_29=0, var_1_30=638/5, var_1_32=128, var_1_34=1089279310, var_1_35=1307137784, var_1_36=1417807175, var_1_38=2, var_1_3=257/2, var_1_40=5, var_1_44=5, var_1_46=16, var_1_4=9/2, var_1_5=99/2, var_1_9=-25] [L129] var_1_3 = __VERIFIER_nondet_double() [L130] CALL assume_abort_if_not((var_1_3 >= 0.0F && var_1_3 <= -1.0e-20F) || (var_1_3 <= 9223372.036854776000e+12F && var_1_3 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=200, var_1_10=200, var_1_11=1, var_1_12=1, var_1_13=1027/8, var_1_14=0, var_1_15=0, var_1_16=487/100, var_1_17=71/8, var_1_18=-128, var_1_19=0, var_1_1=128, var_1_20=1, var_1_21=0, var_1_22=16, var_1_23=4200661734, var_1_24=79999999995/8, var_1_28=37/4, var_1_29=0, var_1_30=638/5, var_1_32=128, var_1_34=1089279310, var_1_35=1307137784, var_1_36=1417807175, var_1_38=2, var_1_40=5, var_1_44=5, var_1_46=16, var_1_4=9/2, var_1_5=99/2, var_1_9=-25] [L20] COND FALSE !(!cond) [L130] RET assume_abort_if_not((var_1_3 >= 0.0F && var_1_3 <= -1.0e-20F) || (var_1_3 <= 9223372.036854776000e+12F && var_1_3 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_10=200, var_1_10=200, var_1_11=1, var_1_12=1, var_1_13=1027/8, var_1_14=0, var_1_15=0, var_1_16=487/100, var_1_17=71/8, var_1_18=-128, var_1_19=0, var_1_1=128, var_1_20=1, var_1_21=0, var_1_22=16, var_1_23=4200661734, var_1_24=79999999995/8, var_1_28=37/4, var_1_29=0, var_1_30=638/5, var_1_32=128, var_1_34=1089279310, var_1_35=1307137784, var_1_36=1417807175, var_1_38=2, var_1_40=5, var_1_44=5, var_1_46=16, var_1_4=9/2, var_1_5=99/2, var_1_9=-25] [L131] var_1_4 = __VERIFIER_nondet_double() [L132] CALL assume_abort_if_not((var_1_4 >= -922337.2036854776000e+13F && var_1_4 <= -1.0e-20F) || (var_1_4 <= 9223372.036854776000e+12F && var_1_4 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=200, var_1_10=200, var_1_11=1, var_1_12=1, var_1_13=1027/8, var_1_14=0, var_1_15=0, var_1_16=487/100, var_1_17=71/8, var_1_18=-128, var_1_19=0, var_1_1=128, var_1_20=1, var_1_21=0, var_1_22=16, var_1_23=4200661734, var_1_24=79999999995/8, var_1_28=37/4, var_1_29=0, var_1_30=638/5, var_1_32=128, var_1_34=1089279310, var_1_35=1307137784, var_1_36=1417807175, var_1_38=2, var_1_40=5, var_1_44=5, var_1_46=16, var_1_5=99/2, var_1_9=-25] [L20] COND FALSE !(!cond) [L132] RET assume_abort_if_not((var_1_4 >= -922337.2036854776000e+13F && var_1_4 <= -1.0e-20F) || (var_1_4 <= 9223372.036854776000e+12F && var_1_4 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_10=200, var_1_10=200, var_1_11=1, var_1_12=1, var_1_13=1027/8, var_1_14=0, var_1_15=0, var_1_16=487/100, var_1_17=71/8, var_1_18=-128, var_1_19=0, var_1_1=128, var_1_20=1, var_1_21=0, var_1_22=16, var_1_23=4200661734, var_1_24=79999999995/8, var_1_28=37/4, var_1_29=0, var_1_30=638/5, var_1_32=128, var_1_34=1089279310, var_1_35=1307137784, var_1_36=1417807175, var_1_38=2, var_1_40=5, var_1_44=5, var_1_46=16, var_1_5=99/2, var_1_9=-25] [L133] var_1_5 = __VERIFIER_nondet_double() [L134] CALL assume_abort_if_not((var_1_5 >= -922337.2036854776000e+13F && var_1_5 <= -1.0e-20F) || (var_1_5 <= 9223372.036854776000e+12F && var_1_5 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=200, var_1_10=200, var_1_11=1, var_1_12=1, var_1_13=1027/8, var_1_14=0, var_1_15=0, var_1_16=487/100, var_1_17=71/8, var_1_18=-128, var_1_19=0, var_1_1=128, var_1_20=1, var_1_21=0, var_1_22=16, var_1_23=4200661734, var_1_24=79999999995/8, var_1_28=37/4, var_1_29=0, var_1_30=638/5, var_1_32=128, var_1_34=1089279310, var_1_35=1307137784, var_1_36=1417807175, var_1_38=2, var_1_40=5, var_1_44=5, var_1_46=16, var_1_9=-25] [L20] COND FALSE !(!cond) [L134] RET assume_abort_if_not((var_1_5 >= -922337.2036854776000e+13F && var_1_5 <= -1.0e-20F) || (var_1_5 <= 9223372.036854776000e+12F && var_1_5 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_10=200, var_1_10=200, var_1_11=1, var_1_12=1, var_1_13=1027/8, var_1_14=0, var_1_15=0, var_1_16=487/100, var_1_17=71/8, var_1_18=-128, var_1_19=0, var_1_1=128, var_1_20=1, var_1_21=0, var_1_22=16, var_1_23=4200661734, var_1_24=79999999995/8, var_1_28=37/4, var_1_29=0, var_1_30=638/5, var_1_32=128, var_1_34=1089279310, var_1_35=1307137784, var_1_36=1417807175, var_1_38=2, var_1_40=5, var_1_44=5, var_1_46=16, var_1_9=-25] [L135] var_1_11 = __VERIFIER_nondet_uchar() [L136] CALL assume_abort_if_not(var_1_11 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=200, var_1_10=200, var_1_12=1, var_1_13=1027/8, var_1_14=0, var_1_15=0, var_1_16=487/100, var_1_17=71/8, var_1_18=-128, var_1_19=0, var_1_1=128, var_1_20=1, var_1_21=0, var_1_22=16, var_1_23=4200661734, var_1_24=79999999995/8, var_1_28=37/4, var_1_29=0, var_1_30=638/5, var_1_32=128, var_1_34=1089279310, var_1_35=1307137784, var_1_36=1417807175, var_1_38=2, var_1_40=5, var_1_44=5, var_1_46=16, var_1_9=-25] [L20] COND FALSE !(!cond) [L136] RET assume_abort_if_not(var_1_11 >= 0) VAL [isInitial=1, last_1_var_1_10=200, var_1_10=200, var_1_12=1, var_1_13=1027/8, var_1_14=0, var_1_15=0, var_1_16=487/100, var_1_17=71/8, var_1_18=-128, var_1_19=0, var_1_1=128, var_1_20=1, var_1_21=0, var_1_22=16, var_1_23=4200661734, var_1_24=79999999995/8, var_1_28=37/4, var_1_29=0, var_1_30=638/5, var_1_32=128, var_1_34=1089279310, var_1_35=1307137784, var_1_36=1417807175, var_1_38=2, var_1_40=5, var_1_44=5, var_1_46=16, var_1_9=-25] [L137] CALL assume_abort_if_not(var_1_11 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=200, var_1_10=200, var_1_11=0, var_1_12=1, var_1_13=1027/8, var_1_14=0, var_1_15=0, var_1_16=487/100, var_1_17=71/8, var_1_18=-128, var_1_19=0, var_1_1=128, var_1_20=1, var_1_21=0, var_1_22=16, var_1_23=4200661734, var_1_24=79999999995/8, var_1_28=37/4, var_1_29=0, var_1_30=638/5, var_1_32=128, var_1_34=1089279310, var_1_35=1307137784, var_1_36=1417807175, var_1_38=2, var_1_40=5, var_1_44=5, var_1_46=16, var_1_9=-25] [L20] COND FALSE !(!cond) [L137] RET assume_abort_if_not(var_1_11 <= 1) VAL [isInitial=1, last_1_var_1_10=200, var_1_10=200, var_1_11=0, var_1_12=1, var_1_13=1027/8, var_1_14=0, var_1_15=0, var_1_16=487/100, var_1_17=71/8, var_1_18=-128, var_1_19=0, var_1_1=128, var_1_20=1, var_1_21=0, var_1_22=16, var_1_23=4200661734, var_1_24=79999999995/8, var_1_28=37/4, var_1_29=0, var_1_30=638/5, var_1_32=128, var_1_34=1089279310, var_1_35=1307137784, var_1_36=1417807175, var_1_38=2, var_1_40=5, var_1_44=5, var_1_46=16, var_1_9=-25] [L138] var_1_12 = __VERIFIER_nondet_uchar() [L139] CALL assume_abort_if_not(var_1_12 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=200, var_1_10=200, var_1_11=0, var_1_13=1027/8, var_1_14=0, var_1_15=0, var_1_16=487/100, var_1_17=71/8, var_1_18=-128, var_1_19=0, var_1_1=128, var_1_20=1, var_1_21=0, var_1_22=16, var_1_23=4200661734, var_1_24=79999999995/8, var_1_28=37/4, var_1_29=0, var_1_30=638/5, var_1_32=128, var_1_34=1089279310, var_1_35=1307137784, var_1_36=1417807175, var_1_38=2, var_1_40=5, var_1_44=5, var_1_46=16, var_1_9=-25] [L20] COND FALSE !(!cond) [L139] RET assume_abort_if_not(var_1_12 >= 0) VAL [isInitial=1, last_1_var_1_10=200, var_1_10=200, var_1_11=0, var_1_13=1027/8, var_1_14=0, var_1_15=0, var_1_16=487/100, var_1_17=71/8, var_1_18=-128, var_1_19=0, var_1_1=128, var_1_20=1, var_1_21=0, var_1_22=16, var_1_23=4200661734, var_1_24=79999999995/8, var_1_28=37/4, var_1_29=0, var_1_30=638/5, var_1_32=128, var_1_34=1089279310, var_1_35=1307137784, var_1_36=1417807175, var_1_38=2, var_1_40=5, var_1_44=5, var_1_46=16, var_1_9=-25] [L140] CALL assume_abort_if_not(var_1_12 <= 254) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=200, var_1_10=200, var_1_11=0, var_1_12=0, var_1_13=1027/8, var_1_14=0, var_1_15=0, var_1_16=487/100, var_1_17=71/8, var_1_18=-128, var_1_19=0, var_1_1=128, var_1_20=1, var_1_21=0, var_1_22=16, var_1_23=4200661734, var_1_24=79999999995/8, var_1_28=37/4, var_1_29=0, var_1_30=638/5, var_1_32=128, var_1_34=1089279310, var_1_35=1307137784, var_1_36=1417807175, var_1_38=2, var_1_40=5, var_1_44=5, var_1_46=16, var_1_9=-25] [L20] COND FALSE !(!cond) [L140] RET assume_abort_if_not(var_1_12 <= 254) VAL [isInitial=1, last_1_var_1_10=200, var_1_10=200, var_1_11=0, var_1_12=0, var_1_13=1027/8, var_1_14=0, var_1_15=0, var_1_16=487/100, var_1_17=71/8, var_1_18=-128, var_1_19=0, var_1_1=128, var_1_20=1, var_1_21=0, var_1_22=16, var_1_23=4200661734, var_1_24=79999999995/8, var_1_28=37/4, var_1_29=0, var_1_30=638/5, var_1_32=128, var_1_34=1089279310, var_1_35=1307137784, var_1_36=1417807175, var_1_38=2, var_1_40=5, var_1_44=5, var_1_46=16, var_1_9=-25] [L141] var_1_13 = __VERIFIER_nondet_double() [L142] CALL assume_abort_if_not((var_1_13 >= -922337.2036854776000e+13F && var_1_13 <= -1.0e-20F) || (var_1_13 <= 9223372.036854776000e+12F && var_1_13 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=200, var_1_10=200, var_1_11=0, var_1_12=0, var_1_14=0, var_1_15=0, var_1_16=487/100, var_1_17=71/8, var_1_18=-128, var_1_19=0, var_1_1=128, var_1_20=1, var_1_21=0, var_1_22=16, var_1_23=4200661734, var_1_24=79999999995/8, var_1_28=37/4, var_1_29=0, var_1_30=638/5, var_1_32=128, var_1_34=1089279310, var_1_35=1307137784, var_1_36=1417807175, var_1_38=2, var_1_40=5, var_1_44=5, var_1_46=16, var_1_9=-25] [L20] COND FALSE !(!cond) [L142] RET assume_abort_if_not((var_1_13 >= -922337.2036854776000e+13F && var_1_13 <= -1.0e-20F) || (var_1_13 <= 9223372.036854776000e+12F && var_1_13 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_10=200, var_1_10=200, var_1_11=0, var_1_12=0, var_1_14=0, var_1_15=0, var_1_16=487/100, var_1_17=71/8, var_1_18=-128, var_1_19=0, var_1_1=128, var_1_20=1, var_1_21=0, var_1_22=16, var_1_23=4200661734, var_1_24=79999999995/8, var_1_28=37/4, var_1_29=0, var_1_30=638/5, var_1_32=128, var_1_34=1089279310, var_1_35=1307137784, var_1_36=1417807175, var_1_38=2, var_1_40=5, var_1_44=5, var_1_46=16, var_1_9=-25] [L143] CALL assume_abort_if_not(var_1_13 != 0.0F) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=200, var_1_10=200, var_1_11=0, var_1_12=0, var_1_14=0, var_1_15=0, var_1_16=487/100, var_1_17=71/8, var_1_18=-128, var_1_19=0, var_1_1=128, var_1_20=1, var_1_21=0, var_1_22=16, var_1_23=4200661734, var_1_24=79999999995/8, var_1_28=37/4, var_1_29=0, var_1_30=638/5, var_1_32=128, var_1_34=1089279310, var_1_35=1307137784, var_1_36=1417807175, var_1_38=2, var_1_40=5, var_1_44=5, var_1_46=16, var_1_9=-25] [L20] COND FALSE !(!cond) [L143] RET assume_abort_if_not(var_1_13 != 0.0F) VAL [isInitial=1, last_1_var_1_10=200, var_1_10=200, var_1_11=0, var_1_12=0, var_1_14=0, var_1_15=0, var_1_16=487/100, var_1_17=71/8, var_1_18=-128, var_1_19=0, var_1_1=128, var_1_20=1, var_1_21=0, var_1_22=16, var_1_23=4200661734, var_1_24=79999999995/8, var_1_28=37/4, var_1_29=0, var_1_30=638/5, var_1_32=128, var_1_34=1089279310, var_1_35=1307137784, var_1_36=1417807175, var_1_38=2, var_1_40=5, var_1_44=5, var_1_46=16, var_1_9=-25] [L144] var_1_15 = __VERIFIER_nondet_float() [L145] CALL assume_abort_if_not((var_1_15 >= 4611686.018427387900e+12F && var_1_15 <= -1.0e-20F) || (var_1_15 <= 9223372.036854776000e+12F && var_1_15 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=200, var_1_10=200, var_1_11=0, var_1_12=0, var_1_14=0, var_1_16=487/100, var_1_17=71/8, var_1_18=-128, var_1_19=0, var_1_1=128, var_1_20=1, var_1_21=0, var_1_22=16, var_1_23=4200661734, var_1_24=79999999995/8, var_1_28=37/4, var_1_29=0, var_1_30=638/5, var_1_32=128, var_1_34=1089279310, var_1_35=1307137784, var_1_36=1417807175, var_1_38=2, var_1_40=5, var_1_44=5, var_1_46=16, var_1_9=-25] [L20] COND FALSE !(!cond) [L145] RET assume_abort_if_not((var_1_15 >= 4611686.018427387900e+12F && var_1_15 <= -1.0e-20F) || (var_1_15 <= 9223372.036854776000e+12F && var_1_15 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_10=200, var_1_10=200, var_1_11=0, var_1_12=0, var_1_14=0, var_1_16=487/100, var_1_17=71/8, var_1_18=-128, var_1_19=0, var_1_1=128, var_1_20=1, var_1_21=0, var_1_22=16, var_1_23=4200661734, var_1_24=79999999995/8, var_1_28=37/4, var_1_29=0, var_1_30=638/5, var_1_32=128, var_1_34=1089279310, var_1_35=1307137784, var_1_36=1417807175, var_1_38=2, var_1_40=5, var_1_44=5, var_1_46=16, var_1_9=-25] [L146] var_1_16 = __VERIFIER_nondet_float() [L147] CALL assume_abort_if_not((var_1_16 >= 0.0F && var_1_16 <= -1.0e-20F) || (var_1_16 <= 4611686.018427387900e+12F && var_1_16 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=200, var_1_10=200, var_1_11=0, var_1_12=0, var_1_14=0, var_1_17=71/8, var_1_18=-128, var_1_19=0, var_1_1=128, var_1_20=1, var_1_21=0, var_1_22=16, var_1_23=4200661734, var_1_24=79999999995/8, var_1_28=37/4, var_1_29=0, var_1_30=638/5, var_1_32=128, var_1_34=1089279310, var_1_35=1307137784, var_1_36=1417807175, var_1_38=2, var_1_40=5, var_1_44=5, var_1_46=16, var_1_9=-25] [L20] COND FALSE !(!cond) [L147] RET assume_abort_if_not((var_1_16 >= 0.0F && var_1_16 <= -1.0e-20F) || (var_1_16 <= 4611686.018427387900e+12F && var_1_16 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_10=200, var_1_10=200, var_1_11=0, var_1_12=0, var_1_14=0, var_1_17=71/8, var_1_18=-128, var_1_19=0, var_1_1=128, var_1_20=1, var_1_21=0, var_1_22=16, var_1_23=4200661734, var_1_24=79999999995/8, var_1_28=37/4, var_1_29=0, var_1_30=638/5, var_1_32=128, var_1_34=1089279310, var_1_35=1307137784, var_1_36=1417807175, var_1_38=2, var_1_40=5, var_1_44=5, var_1_46=16, var_1_9=-25] [L148] var_1_17 = __VERIFIER_nondet_float() [L149] CALL assume_abort_if_not((var_1_17 >= 0.0F && var_1_17 <= -1.0e-20F) || (var_1_17 <= 9223372.036854776000e+12F && var_1_17 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=200, var_1_10=200, var_1_11=0, var_1_12=0, var_1_14=0, var_1_18=-128, var_1_19=0, var_1_1=128, var_1_20=1, var_1_21=0, var_1_22=16, var_1_23=4200661734, var_1_24=79999999995/8, var_1_28=37/4, var_1_29=0, var_1_30=638/5, var_1_32=128, var_1_34=1089279310, var_1_35=1307137784, var_1_36=1417807175, var_1_38=2, var_1_40=5, var_1_44=5, var_1_46=16, var_1_9=-25] [L20] COND FALSE !(!cond) [L149] RET assume_abort_if_not((var_1_17 >= 0.0F && var_1_17 <= -1.0e-20F) || (var_1_17 <= 9223372.036854776000e+12F && var_1_17 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_10=200, var_1_10=200, var_1_11=0, var_1_12=0, var_1_14=0, var_1_18=-128, var_1_19=0, var_1_1=128, var_1_20=1, var_1_21=0, var_1_22=16, var_1_23=4200661734, var_1_24=79999999995/8, var_1_28=37/4, var_1_29=0, var_1_30=638/5, var_1_32=128, var_1_34=1089279310, var_1_35=1307137784, var_1_36=1417807175, var_1_38=2, var_1_40=5, var_1_44=5, var_1_46=16, var_1_9=-25] [L150] var_1_20 = __VERIFIER_nondet_uchar() [L151] CALL assume_abort_if_not(var_1_20 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=200, var_1_10=200, var_1_11=0, var_1_12=0, var_1_14=0, var_1_18=-128, var_1_19=0, var_1_1=128, var_1_21=0, var_1_22=16, var_1_23=4200661734, var_1_24=79999999995/8, var_1_28=37/4, var_1_29=0, var_1_30=638/5, var_1_32=128, var_1_34=1089279310, var_1_35=1307137784, var_1_36=1417807175, var_1_38=2, var_1_40=5, var_1_44=5, var_1_46=16, var_1_9=-25] [L20] COND FALSE !(!cond) [L151] RET assume_abort_if_not(var_1_20 >= 0) VAL [isInitial=1, last_1_var_1_10=200, var_1_10=200, var_1_11=0, var_1_12=0, var_1_14=0, var_1_18=-128, var_1_19=0, var_1_1=128, var_1_21=0, var_1_22=16, var_1_23=4200661734, var_1_24=79999999995/8, var_1_28=37/4, var_1_29=0, var_1_30=638/5, var_1_32=128, var_1_34=1089279310, var_1_35=1307137784, var_1_36=1417807175, var_1_38=2, var_1_40=5, var_1_44=5, var_1_46=16, var_1_9=-25] [L152] CALL assume_abort_if_not(var_1_20 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=200, var_1_10=200, var_1_11=0, var_1_12=0, var_1_14=0, var_1_18=-128, var_1_19=0, var_1_1=128, var_1_20=1, var_1_21=0, var_1_22=16, var_1_23=4200661734, var_1_24=79999999995/8, var_1_28=37/4, var_1_29=0, var_1_30=638/5, var_1_32=128, var_1_34=1089279310, var_1_35=1307137784, var_1_36=1417807175, var_1_38=2, var_1_40=5, var_1_44=5, var_1_46=16, var_1_9=-25] [L20] COND FALSE !(!cond) [L152] RET assume_abort_if_not(var_1_20 <= 1) VAL [isInitial=1, last_1_var_1_10=200, var_1_10=200, var_1_11=0, var_1_12=0, var_1_14=0, var_1_18=-128, var_1_19=0, var_1_1=128, var_1_20=1, var_1_21=0, var_1_22=16, var_1_23=4200661734, var_1_24=79999999995/8, var_1_28=37/4, var_1_29=0, var_1_30=638/5, var_1_32=128, var_1_34=1089279310, var_1_35=1307137784, var_1_36=1417807175, var_1_38=2, var_1_40=5, var_1_44=5, var_1_46=16, var_1_9=-25] [L153] var_1_21 = __VERIFIER_nondet_uchar() [L154] CALL assume_abort_if_not(var_1_21 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=200, var_1_10=200, var_1_11=0, var_1_12=0, var_1_14=0, var_1_18=-128, var_1_19=0, var_1_1=128, var_1_20=1, var_1_22=16, var_1_23=4200661734, var_1_24=79999999995/8, var_1_28=37/4, var_1_29=0, var_1_30=638/5, var_1_32=128, var_1_34=1089279310, var_1_35=1307137784, var_1_36=1417807175, var_1_38=2, var_1_40=5, var_1_44=5, var_1_46=16, var_1_9=-25] [L20] COND FALSE !(!cond) [L154] RET assume_abort_if_not(var_1_21 >= 0) VAL [isInitial=1, last_1_var_1_10=200, var_1_10=200, var_1_11=0, var_1_12=0, var_1_14=0, var_1_18=-128, var_1_19=0, var_1_1=128, var_1_20=1, var_1_22=16, var_1_23=4200661734, var_1_24=79999999995/8, var_1_28=37/4, var_1_29=0, var_1_30=638/5, var_1_32=128, var_1_34=1089279310, var_1_35=1307137784, var_1_36=1417807175, var_1_38=2, var_1_40=5, var_1_44=5, var_1_46=16, var_1_9=-25] [L155] CALL assume_abort_if_not(var_1_21 <= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=200, var_1_10=200, var_1_11=0, var_1_12=0, var_1_14=0, var_1_18=-128, var_1_19=0, var_1_1=128, var_1_20=1, var_1_21=0, var_1_22=16, var_1_23=4200661734, var_1_24=79999999995/8, var_1_28=37/4, var_1_29=0, var_1_30=638/5, var_1_32=128, var_1_34=1089279310, var_1_35=1307137784, var_1_36=1417807175, var_1_38=2, var_1_40=5, var_1_44=5, var_1_46=16, var_1_9=-25] [L20] COND FALSE !(!cond) [L155] RET assume_abort_if_not(var_1_21 <= 0) VAL [isInitial=1, last_1_var_1_10=200, var_1_10=200, var_1_11=0, var_1_12=0, var_1_14=0, var_1_18=-128, var_1_19=0, var_1_1=128, var_1_20=1, var_1_21=0, var_1_22=16, var_1_23=4200661734, var_1_24=79999999995/8, var_1_28=37/4, var_1_29=0, var_1_30=638/5, var_1_32=128, var_1_34=1089279310, var_1_35=1307137784, var_1_36=1417807175, var_1_38=2, var_1_40=5, var_1_44=5, var_1_46=16, var_1_9=-25] [L156] var_1_23 = __VERIFIER_nondet_ulong() [L157] CALL assume_abort_if_not(var_1_23 >= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=200, var_1_10=200, var_1_11=0, var_1_12=0, var_1_14=0, var_1_18=-128, var_1_19=0, var_1_1=128, var_1_20=1, var_1_21=0, var_1_22=16, var_1_23=4294967240, var_1_24=79999999995/8, var_1_28=37/4, var_1_29=0, var_1_30=638/5, var_1_32=128, var_1_34=1089279310, var_1_35=1307137784, var_1_36=1417807175, var_1_38=2, var_1_40=5, var_1_44=5, var_1_46=16, var_1_9=-25] [L20] COND FALSE !(!cond) [L157] RET assume_abort_if_not(var_1_23 >= 2147483647) VAL [isInitial=1, last_1_var_1_10=200, var_1_10=200, var_1_11=0, var_1_12=0, var_1_14=0, var_1_18=-128, var_1_19=0, var_1_1=128, var_1_20=1, var_1_21=0, var_1_22=16, var_1_23=4294967240, var_1_24=79999999995/8, var_1_28=37/4, var_1_29=0, var_1_30=638/5, var_1_32=128, var_1_34=1089279310, var_1_35=1307137784, var_1_36=1417807175, var_1_38=2, var_1_40=5, var_1_44=5, var_1_46=16, var_1_9=-25] [L158] CALL assume_abort_if_not(var_1_23 <= 4294967294) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=200, var_1_10=200, var_1_11=0, var_1_12=0, var_1_14=0, var_1_18=-128, var_1_19=0, var_1_1=128, var_1_20=1, var_1_21=0, var_1_22=16, var_1_23=4294967240, var_1_24=79999999995/8, var_1_28=37/4, var_1_29=0, var_1_30=638/5, var_1_32=128, var_1_34=1089279310, var_1_35=1307137784, var_1_36=1417807175, var_1_38=2, var_1_40=5, var_1_44=5, var_1_46=16, var_1_9=-25] [L20] COND FALSE !(!cond) [L158] RET assume_abort_if_not(var_1_23 <= 4294967294) VAL [isInitial=1, last_1_var_1_10=200, var_1_10=200, var_1_11=0, var_1_12=0, var_1_14=0, var_1_18=-128, var_1_19=0, var_1_1=128, var_1_20=1, var_1_21=0, var_1_22=16, var_1_23=4294967240, var_1_24=79999999995/8, var_1_28=37/4, var_1_29=0, var_1_30=638/5, var_1_32=128, var_1_34=1089279310, var_1_35=1307137784, var_1_36=1417807175, var_1_38=2, var_1_40=5, var_1_44=5, var_1_46=16, var_1_9=-25] [L159] var_1_29 = __VERIFIER_nondet_double() [L160] CALL assume_abort_if_not((var_1_29 >= 2305843.009213691390e+12F && var_1_29 <= -1.0e-20F) || (var_1_29 <= 4611686.018427382800e+12F && var_1_29 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=200, var_1_10=200, var_1_11=0, var_1_12=0, var_1_14=0, var_1_18=-128, var_1_19=0, var_1_1=128, var_1_20=1, var_1_21=0, var_1_22=16, var_1_23=4294967240, var_1_24=79999999995/8, var_1_28=37/4, var_1_30=638/5, var_1_32=128, var_1_34=1089279310, var_1_35=1307137784, var_1_36=1417807175, var_1_38=2, var_1_40=5, var_1_44=5, var_1_46=16, var_1_9=-25] [L20] COND FALSE !(!cond) [L160] RET assume_abort_if_not((var_1_29 >= 2305843.009213691390e+12F && var_1_29 <= -1.0e-20F) || (var_1_29 <= 4611686.018427382800e+12F && var_1_29 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_10=200, var_1_10=200, var_1_11=0, var_1_12=0, var_1_14=0, var_1_18=-128, var_1_19=0, var_1_1=128, var_1_20=1, var_1_21=0, var_1_22=16, var_1_23=4294967240, var_1_24=79999999995/8, var_1_28=37/4, var_1_30=638/5, var_1_32=128, var_1_34=1089279310, var_1_35=1307137784, var_1_36=1417807175, var_1_38=2, var_1_40=5, var_1_44=5, var_1_46=16, var_1_9=-25] [L161] var_1_30 = __VERIFIER_nondet_double() [L162] CALL assume_abort_if_not((var_1_30 >= 0.0F && var_1_30 <= -1.0e-20F) || (var_1_30 <= 2305843.009213691390e+12F && var_1_30 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=200, var_1_10=200, var_1_11=0, var_1_12=0, var_1_14=0, var_1_18=-128, var_1_19=0, var_1_1=128, var_1_20=1, var_1_21=0, var_1_22=16, var_1_23=4294967240, var_1_24=79999999995/8, var_1_28=37/4, var_1_32=128, var_1_34=1089279310, var_1_35=1307137784, var_1_36=1417807175, var_1_38=2, var_1_40=5, var_1_44=5, var_1_46=16, var_1_9=-25] [L20] COND FALSE !(!cond) [L162] RET assume_abort_if_not((var_1_30 >= 0.0F && var_1_30 <= -1.0e-20F) || (var_1_30 <= 2305843.009213691390e+12F && var_1_30 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_10=200, var_1_10=200, var_1_11=0, var_1_12=0, var_1_14=0, var_1_18=-128, var_1_19=0, var_1_1=128, var_1_20=1, var_1_21=0, var_1_22=16, var_1_23=4294967240, var_1_24=79999999995/8, var_1_28=37/4, var_1_32=128, var_1_34=1089279310, var_1_35=1307137784, var_1_36=1417807175, var_1_38=2, var_1_40=5, var_1_44=5, var_1_46=16, var_1_9=-25] [L163] var_1_34 = __VERIFIER_nondet_ulong() [L164] CALL assume_abort_if_not(var_1_34 >= 1073741823) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=200, var_1_10=200, var_1_11=0, var_1_12=0, var_1_14=0, var_1_18=-128, var_1_19=0, var_1_1=128, var_1_20=1, var_1_21=0, var_1_22=16, var_1_23=4294967240, var_1_24=79999999995/8, var_1_28=37/4, var_1_32=128, var_1_34=2147483646, var_1_35=1307137784, var_1_36=1417807175, var_1_38=2, var_1_40=5, var_1_44=5, var_1_46=16, var_1_9=-25] [L20] COND FALSE !(!cond) [L164] RET assume_abort_if_not(var_1_34 >= 1073741823) VAL [isInitial=1, last_1_var_1_10=200, var_1_10=200, var_1_11=0, var_1_12=0, var_1_14=0, var_1_18=-128, var_1_19=0, var_1_1=128, var_1_20=1, var_1_21=0, var_1_22=16, var_1_23=4294967240, var_1_24=79999999995/8, var_1_28=37/4, var_1_32=128, var_1_34=2147483646, var_1_35=1307137784, var_1_36=1417807175, var_1_38=2, var_1_40=5, var_1_44=5, var_1_46=16, var_1_9=-25] [L165] CALL assume_abort_if_not(var_1_34 <= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=200, var_1_10=200, var_1_11=0, var_1_12=0, var_1_14=0, var_1_18=-128, var_1_19=0, var_1_1=128, var_1_20=1, var_1_21=0, var_1_22=16, var_1_23=4294967240, var_1_24=79999999995/8, var_1_28=37/4, var_1_32=128, var_1_34=2147483646, var_1_35=1307137784, var_1_36=1417807175, var_1_38=2, var_1_40=5, var_1_44=5, var_1_46=16, var_1_9=-25] [L20] COND FALSE !(!cond) [L165] RET assume_abort_if_not(var_1_34 <= 2147483647) VAL [isInitial=1, last_1_var_1_10=200, var_1_10=200, var_1_11=0, var_1_12=0, var_1_14=0, var_1_18=-128, var_1_19=0, var_1_1=128, var_1_20=1, var_1_21=0, var_1_22=16, var_1_23=4294967240, var_1_24=79999999995/8, var_1_28=37/4, var_1_32=128, var_1_34=2147483646, var_1_35=1307137784, var_1_36=1417807175, var_1_38=2, var_1_40=5, var_1_44=5, var_1_46=16, var_1_9=-25] [L166] var_1_35 = __VERIFIER_nondet_ulong() [L167] CALL assume_abort_if_not(var_1_35 >= 1073741824) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=200, var_1_10=200, var_1_11=0, var_1_12=0, var_1_14=0, var_1_18=-128, var_1_19=0, var_1_1=128, var_1_20=1, var_1_21=0, var_1_22=16, var_1_23=4294967240, var_1_24=79999999995/8, var_1_28=37/4, var_1_32=128, var_1_34=2147483646, var_1_35=2147483647, var_1_36=1417807175, var_1_38=2, var_1_40=5, var_1_44=5, var_1_46=16, var_1_9=-25] [L20] COND FALSE !(!cond) [L167] RET assume_abort_if_not(var_1_35 >= 1073741824) VAL [isInitial=1, last_1_var_1_10=200, var_1_10=200, var_1_11=0, var_1_12=0, var_1_14=0, var_1_18=-128, var_1_19=0, var_1_1=128, var_1_20=1, var_1_21=0, var_1_22=16, var_1_23=4294967240, var_1_24=79999999995/8, var_1_28=37/4, var_1_32=128, var_1_34=2147483646, var_1_35=2147483647, var_1_36=1417807175, var_1_38=2, var_1_40=5, var_1_44=5, var_1_46=16, var_1_9=-25] [L168] CALL assume_abort_if_not(var_1_35 <= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=200, var_1_10=200, var_1_11=0, var_1_12=0, var_1_14=0, var_1_18=-128, var_1_19=0, var_1_1=128, var_1_20=1, var_1_21=0, var_1_22=16, var_1_23=4294967240, var_1_24=79999999995/8, var_1_28=37/4, var_1_32=128, var_1_34=2147483646, var_1_35=2147483647, var_1_36=1417807175, var_1_38=2, var_1_40=5, var_1_44=5, var_1_46=16, var_1_9=-25] [L20] COND FALSE !(!cond) [L168] RET assume_abort_if_not(var_1_35 <= 2147483647) VAL [isInitial=1, last_1_var_1_10=200, var_1_10=200, var_1_11=0, var_1_12=0, var_1_14=0, var_1_18=-128, var_1_19=0, var_1_1=128, var_1_20=1, var_1_21=0, var_1_22=16, var_1_23=4294967240, var_1_24=79999999995/8, var_1_28=37/4, var_1_32=128, var_1_34=2147483646, var_1_35=2147483647, var_1_36=1417807175, var_1_38=2, var_1_40=5, var_1_44=5, var_1_46=16, var_1_9=-25] [L169] var_1_36 = __VERIFIER_nondet_ulong() [L170] CALL assume_abort_if_not(var_1_36 >= 1073741824) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=200, var_1_10=200, var_1_11=0, var_1_12=0, var_1_14=0, var_1_18=-128, var_1_19=0, var_1_1=128, var_1_20=1, var_1_21=0, var_1_22=16, var_1_23=4294967240, var_1_24=79999999995/8, var_1_28=37/4, var_1_32=128, var_1_34=2147483646, var_1_35=2147483647, var_1_36=2147483647, var_1_38=2, var_1_40=5, var_1_44=5, var_1_46=16, var_1_9=-25] [L20] COND FALSE !(!cond) [L170] RET assume_abort_if_not(var_1_36 >= 1073741824) VAL [isInitial=1, last_1_var_1_10=200, var_1_10=200, var_1_11=0, var_1_12=0, var_1_14=0, var_1_18=-128, var_1_19=0, var_1_1=128, var_1_20=1, var_1_21=0, var_1_22=16, var_1_23=4294967240, var_1_24=79999999995/8, var_1_28=37/4, var_1_32=128, var_1_34=2147483646, var_1_35=2147483647, var_1_36=2147483647, var_1_38=2, var_1_40=5, var_1_44=5, var_1_46=16, var_1_9=-25] [L171] CALL assume_abort_if_not(var_1_36 <= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=200, var_1_10=200, var_1_11=0, var_1_12=0, var_1_14=0, var_1_18=-128, var_1_19=0, var_1_1=128, var_1_20=1, var_1_21=0, var_1_22=16, var_1_23=4294967240, var_1_24=79999999995/8, var_1_28=37/4, var_1_32=128, var_1_34=2147483646, var_1_35=2147483647, var_1_36=2147483647, var_1_38=2, var_1_40=5, var_1_44=5, var_1_46=16, var_1_9=-25] [L20] COND FALSE !(!cond) [L171] RET assume_abort_if_not(var_1_36 <= 2147483647) VAL [isInitial=1, last_1_var_1_10=200, var_1_10=200, var_1_11=0, var_1_12=0, var_1_14=0, var_1_18=-128, var_1_19=0, var_1_1=128, var_1_20=1, var_1_21=0, var_1_22=16, var_1_23=4294967240, var_1_24=79999999995/8, var_1_28=37/4, var_1_32=128, var_1_34=2147483646, var_1_35=2147483647, var_1_36=2147483647, var_1_38=2, var_1_40=5, var_1_44=5, var_1_46=16, var_1_9=-25] [L172] var_1_46 = __VERIFIER_nondet_uchar() [L173] CALL assume_abort_if_not(var_1_46 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=200, var_1_10=200, var_1_11=0, var_1_12=0, var_1_14=0, var_1_18=-128, var_1_19=0, var_1_1=128, var_1_20=1, var_1_21=0, var_1_22=16, var_1_23=4294967240, var_1_24=79999999995/8, var_1_28=37/4, var_1_32=128, var_1_34=2147483646, var_1_35=2147483647, var_1_36=2147483647, var_1_38=2, var_1_40=5, var_1_44=5, var_1_9=-25] [L20] COND FALSE !(!cond) [L173] RET assume_abort_if_not(var_1_46 >= 0) VAL [isInitial=1, last_1_var_1_10=200, var_1_10=200, var_1_11=0, var_1_12=0, var_1_14=0, var_1_18=-128, var_1_19=0, var_1_1=128, var_1_20=1, var_1_21=0, var_1_22=16, var_1_23=4294967240, var_1_24=79999999995/8, var_1_28=37/4, var_1_32=128, var_1_34=2147483646, var_1_35=2147483647, var_1_36=2147483647, var_1_38=2, var_1_40=5, var_1_44=5, var_1_9=-25] [L174] CALL assume_abort_if_not(var_1_46 <= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=200, var_1_10=200, var_1_11=0, var_1_12=0, var_1_14=0, var_1_18=-128, var_1_19=0, var_1_1=128, var_1_20=1, var_1_21=0, var_1_22=16, var_1_23=4294967240, var_1_24=79999999995/8, var_1_28=37/4, var_1_32=128, var_1_34=2147483646, var_1_35=2147483647, var_1_36=2147483647, var_1_38=2, var_1_40=5, var_1_44=5, var_1_46=127, var_1_9=-25] [L20] COND FALSE !(!cond) [L174] RET assume_abort_if_not(var_1_46 <= 127) VAL [isInitial=1, last_1_var_1_10=200, var_1_10=200, var_1_11=0, var_1_12=0, var_1_14=0, var_1_18=-128, var_1_19=0, var_1_1=128, var_1_20=1, var_1_21=0, var_1_22=16, var_1_23=4294967240, var_1_24=79999999995/8, var_1_28=37/4, var_1_32=128, var_1_34=2147483646, var_1_35=2147483647, var_1_36=2147483647, var_1_38=2, var_1_40=5, var_1_44=5, var_1_46=127, var_1_9=-25] [L188] RET updateVariables() [L189] CALL step() [L58] signed long int stepLocal_0 = last_1_var_1_10; [L59] COND TRUE stepLocal_0 >= last_1_var_1_10 [L60] var_1_9 = (-256 + last_1_var_1_10) [L64] COND FALSE !(\read(var_1_19)) [L67] signed short int stepLocal_1 = var_1_9; [L68] COND FALSE !(stepLocal_1 > 0) [L71] EXPR var_1_10 & var_1_12 [L71] COND TRUE -32 < (var_1_10 & var_1_12) [L72] var_1_44 = ((((var_1_12) < ((var_1_46 + 10))) ? (var_1_12) : ((var_1_46 + 10)))) [L76] COND FALSE !(\read(var_1_19)) [L79] COND TRUE ! (var_1_5 > (255.9 / var_1_13)) [L80] var_1_10 = var_1_12 [L83] var_1_28 = ((8.18603254193775E18 - (var_1_29 - var_1_30)) - var_1_16) [L84] COND FALSE !(((var_1_2 - var_1_3) * var_1_4) < var_1_5) [L87] var_1_1 = var_1_10 [L89] EXPR var_1_9 & var_1_18 [L89] COND FALSE !((var_1_9 & var_1_18) >= -2) [L92] COND FALSE !((var_1_17 <= (- var_1_16)) && var_1_19) [L95] COND FALSE !((((((var_1_30 * var_1_17)) < (var_1_29)) ? ((var_1_30 * var_1_17)) : (var_1_29))) >= (- var_1_16)) [L102] COND FALSE !(\read(var_1_19)) [L105] var_1_22 = (((((var_1_23 - var_1_9)) < (var_1_10)) ? ((var_1_23 - var_1_9)) : (var_1_10))) [L107] EXPR var_1_35 | var_1_10 [L107] COND FALSE !((var_1_35 | var_1_10) > var_1_18) [L118] COND TRUE ! var_1_19 [L119] COND TRUE ((var_1_15 - var_1_16) - var_1_17) <= var_1_13 [L120] var_1_14 = var_1_18 [L189] RET step() [L190] CALL, EXPR property() [L180-L181] return (((((((((var_1_2 - var_1_3) * var_1_4) < var_1_5) ? (var_1_1 == ((signed short int) ((((-8) < ((var_1_10 + ((((var_1_10) < (var_1_10)) ? (var_1_10) : (var_1_10)))))) ? (-8) : ((var_1_10 + ((((var_1_10) < (var_1_10)) ? (var_1_10) : (var_1_10))))))))) : (var_1_1 == ((signed short int) var_1_10))) && ((last_1_var_1_10 >= last_1_var_1_10) ? (var_1_9 == ((signed short int) (-256 + last_1_var_1_10))) : (var_1_9 == ((signed short int) (last_1_var_1_10 + last_1_var_1_10))))) && (var_1_19 ? (var_1_10 == ((unsigned char) ((((0) < (var_1_12)) ? (0) : (var_1_12))))) : ((! (var_1_5 > (255.9 / var_1_13))) ? (var_1_10 == ((unsigned char) var_1_12)) : 1))) && ((! var_1_19) ? ((((var_1_15 - var_1_16) - var_1_17) <= var_1_13) ? (var_1_14 == ((unsigned short int) var_1_18)) : (var_1_14 == ((unsigned short int) var_1_18))) : 1)) && (((var_1_17 <= (- var_1_16)) && var_1_19) ? (var_1_18 == ((signed short int) var_1_10)) : 1)) && ((var_1_9 > 0) ? (var_1_19 == ((unsigned char) ((var_1_5 >= (- var_1_15)) && (var_1_11 && (var_1_20 && var_1_21))))) : 1)) && (var_1_19 ? (var_1_22 == ((unsigned long int) (var_1_9 + var_1_10))) : (var_1_22 == ((unsigned long int) (((((var_1_23 - var_1_9)) < (var_1_10)) ? ((var_1_23 - var_1_9)) : (var_1_10)))))) ; [L190] RET, EXPR property() [L190] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_10=200, var_1_10=0, var_1_11=0, var_1_12=0, var_1_14=65408, var_1_16=79999999995/8, var_1_18=-128, var_1_19=0, var_1_1=0, var_1_20=1, var_1_21=0, var_1_22=0, var_1_23=4294967240, var_1_24=79999999995/8, var_1_32=128, var_1_34=2147483646, var_1_35=2147483647, var_1_36=2147483647, var_1_38=2, var_1_40=5, var_1_44=0, var_1_46=127, var_1_9=-56] [L19] reach_error() VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_10=200, var_1_10=0, var_1_11=0, var_1_12=0, var_1_14=65408, var_1_16=79999999995/8, var_1_18=-128, var_1_19=0, var_1_1=0, var_1_20=1, var_1_21=0, var_1_22=0, var_1_23=4294967240, var_1_24=79999999995/8, var_1_32=128, var_1_34=2147483646, var_1_35=2147483647, var_1_36=2147483647, var_1_38=2, var_1_40=5, var_1_44=0, var_1_46=127, var_1_9=-56] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 57 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.4s, OverallIterations: 1, TraceHistogramMax: 29, 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=57occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 110 NumberOfCodeBlocks, 110 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-11-23 21:08:14,437 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b5e6df4-fef2-4ed4-8ee9-a30a0349d0d4/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b5e6df4-fef2-4ed4-8ee9-a30a0349d0d4/bin/utaipan-verify-mE87zJ7Ire/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b5e6df4-fef2-4ed4-8ee9-a30a0349d0d4/bin/utaipan-verify-mE87zJ7Ire/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b5e6df4-fef2-4ed4-8ee9-a30a0349d0d4/bin/utaipan-verify-mE87zJ7Ire/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b5e6df4-fef2-4ed4-8ee9-a30a0349d0d4/bin/utaipan-verify-mE87zJ7Ire/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-ci_file-80.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b5e6df4-fef2-4ed4-8ee9-a30a0349d0d4/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b5e6df4-fef2-4ed4-8ee9-a30a0349d0d4/bin/utaipan-verify-mE87zJ7Ire --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 8f27fb34f402b9a11855b517957953eefe825c2ac20a4109c7810b48044f1231 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 21:08:17,182 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 21:08:17,330 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b5e6df4-fef2-4ed4-8ee9-a30a0349d0d4/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2023-11-23 21:08:17,340 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 21:08:17,341 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-23 21:08:17,390 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 21:08:17,391 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-23 21:08:17,392 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-23 21:08:17,393 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 21:08:17,398 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-23 21:08:17,399 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-23 21:08:17,399 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-23 21:08:17,400 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-23 21:08:17,402 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-23 21:08:17,402 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-23 21:08:17,403 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-23 21:08:17,404 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 21:08:17,405 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 21:08:17,405 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-23 21:08:17,406 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-23 21:08:17,407 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 21:08:17,407 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 21:08:17,408 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 21:08:17,408 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 21:08:17,409 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-23 21:08:17,409 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-23 21:08:17,410 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-23 21:08:17,410 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-23 21:08:17,411 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 21:08:17,411 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 21:08:17,413 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 21:08:17,413 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-23 21:08:17,413 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-23 21:08:17,414 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-23 21:08:17,414 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:08:17,414 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 21:08:17,415 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 21:08:17,415 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 21:08:17,415 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-23 21:08:17,417 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-23 21:08:17,417 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-23 21:08:17,417 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 21:08:17,418 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-23 21:08:17,418 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-23 21:08:17,418 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_6b5e6df4-fef2-4ed4-8ee9-a30a0349d0d4/bin/utaipan-verify-mE87zJ7Ire/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b5e6df4-fef2-4ed4-8ee9-a30a0349d0d4/bin/utaipan-verify-mE87zJ7Ire Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8f27fb34f402b9a11855b517957953eefe825c2ac20a4109c7810b48044f1231 [2023-11-23 21:08:17,823 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 21:08:17,860 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 21:08:17,863 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 21:08:17,865 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 21:08:17,865 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 21:08:17,867 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b5e6df4-fef2-4ed4-8ee9-a30a0349d0d4/bin/utaipan-verify-mE87zJ7Ire/../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-ci_file-80.i [2023-11-23 21:08:21,029 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 21:08:21,345 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 21:08:21,345 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b5e6df4-fef2-4ed4-8ee9-a30a0349d0d4/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-ci_file-80.i [2023-11-23 21:08:21,368 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b5e6df4-fef2-4ed4-8ee9-a30a0349d0d4/bin/utaipan-verify-mE87zJ7Ire/data/081eb4aca/7eefd0c6175445168f98568a9a1cdecb/FLAGc89845e6f [2023-11-23 21:08:21,388 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b5e6df4-fef2-4ed4-8ee9-a30a0349d0d4/bin/utaipan-verify-mE87zJ7Ire/data/081eb4aca/7eefd0c6175445168f98568a9a1cdecb [2023-11-23 21:08:21,394 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 21:08:21,395 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 21:08:21,398 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 21:08:21,399 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 21:08:21,404 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 21:08:21,405 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:08:21" (1/1) ... [2023-11-23 21:08:21,406 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@55439933 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:08:21, skipping insertion in model container [2023-11-23 21:08:21,406 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:08:21" (1/1) ... [2023-11-23 21:08:21,460 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 21:08:21,667 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_6b5e6df4-fef2-4ed4-8ee9-a30a0349d0d4/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-ci_file-80.i[919,932] [2023-11-23 21:08:21,785 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 21:08:21,809 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 21:08:21,823 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_6b5e6df4-fef2-4ed4-8ee9-a30a0349d0d4/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-ci_file-80.i[919,932] [2023-11-23 21:08:21,861 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 21:08:21,882 INFO L206 MainTranslator]: Completed translation [2023-11-23 21:08:21,883 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:08:21 WrapperNode [2023-11-23 21:08:21,883 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 21:08:21,885 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 21:08:21,885 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 21:08:21,885 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 21:08:21,893 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:08:21" (1/1) ... [2023-11-23 21:08:21,910 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:08:21" (1/1) ... [2023-11-23 21:08:21,985 INFO L138 Inliner]: procedures = 27, calls = 42, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 195 [2023-11-23 21:08:22,003 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 21:08:22,006 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 21:08:22,007 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 21:08:22,007 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 21:08:22,017 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:08:21" (1/1) ... [2023-11-23 21:08:22,018 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:08:21" (1/1) ... [2023-11-23 21:08:22,030 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:08:21" (1/1) ... [2023-11-23 21:08:22,032 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:08:21" (1/1) ... [2023-11-23 21:08:22,051 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:08:21" (1/1) ... [2023-11-23 21:08:22,072 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:08:21" (1/1) ... [2023-11-23 21:08:22,075 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:08:21" (1/1) ... [2023-11-23 21:08:22,083 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:08:21" (1/1) ... [2023-11-23 21:08:22,089 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 21:08:22,101 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 21:08:22,101 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 21:08:22,101 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 21:08:22,102 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:08:21" (1/1) ... [2023-11-23 21:08:22,109 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:08:22,125 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b5e6df4-fef2-4ed4-8ee9-a30a0349d0d4/bin/utaipan-verify-mE87zJ7Ire/z3 [2023-11-23 21:08:22,137 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b5e6df4-fef2-4ed4-8ee9-a30a0349d0d4/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-23 21:08:22,141 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b5e6df4-fef2-4ed4-8ee9-a30a0349d0d4/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-23 21:08:22,175 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 21:08:22,175 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-23 21:08:22,175 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-23 21:08:22,175 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-23 21:08:22,176 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 21:08:22,176 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 21:08:22,314 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 21:08:22,316 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 21:08:39,732 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 21:08:39,816 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 21:08:39,817 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-23 21:08:39,818 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:08:39 BoogieIcfgContainer [2023-11-23 21:08:39,818 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 21:08:39,839 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-23 21:08:39,840 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-23 21:08:39,843 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-23 21:08:39,843 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 09:08:21" (1/3) ... [2023-11-23 21:08:39,844 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@45c7cbd3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:08:39, skipping insertion in model container [2023-11-23 21:08:39,844 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:08:21" (2/3) ... [2023-11-23 21:08:39,845 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@45c7cbd3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:08:39, skipping insertion in model container [2023-11-23 21:08:39,845 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:08:39" (3/3) ... [2023-11-23 21:08:39,846 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodestructure_filler-pr-ci_file-80.i [2023-11-23 21:08:39,866 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-23 21:08:39,867 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-23 21:08:39,920 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-23 21:08:39,928 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;@e25524a, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-23 21:08:39,928 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-23 21:08:39,933 INFO L276 IsEmpty]: Start isEmpty. Operand has 80 states, 48 states have (on average 1.4583333333333333) internal successors, (70), 49 states have internal predecessors, (70), 29 states have call successors, (29), 1 states have call predecessors, (29), 1 states have return successors, (29), 29 states have call predecessors, (29), 29 states have call successors, (29) [2023-11-23 21:08:39,954 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 184 [2023-11-23 21:08:39,954 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:08:39,955 INFO L195 NwaCegarLoop]: trace histogram [29, 29, 29, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 21:08:39,956 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:08:39,962 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:08:39,963 INFO L85 PathProgramCache]: Analyzing trace with hash -134770827, now seen corresponding path program 1 times [2023-11-23 21:08:39,980 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-23 21:08:39,980 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1196556069] [2023-11-23 21:08:39,981 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:08:39,981 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-23 21:08:39,981 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b5e6df4-fef2-4ed4-8ee9-a30a0349d0d4/bin/utaipan-verify-mE87zJ7Ire/mathsat [2023-11-23 21:08:39,984 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b5e6df4-fef2-4ed4-8ee9-a30a0349d0d4/bin/utaipan-verify-mE87zJ7Ire/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-23 21:08:39,996 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b5e6df4-fef2-4ed4-8ee9-a30a0349d0d4/bin/utaipan-verify-mE87zJ7Ire/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2023-11-23 21:08:41,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:08:41,953 INFO L262 TraceCheckSpWp]: Trace formula consists of 299 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 21:08:41,967 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 21:08:45,277 INFO L134 CoverageAnalysis]: Checked inductivity of 1624 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1624 trivial. 0 not checked. [2023-11-23 21:08:45,278 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-23 21:08:45,279 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-23 21:08:45,279 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1196556069] [2023-11-23 21:08:45,280 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1196556069] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 21:08:45,280 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 21:08:45,281 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-23 21:08:45,283 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1002139741] [2023-11-23 21:08:45,284 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 21:08:45,291 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-23 21:08:45,292 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-23 21:08:45,343 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-23 21:08:45,344 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-23 21:08:45,347 INFO L87 Difference]: Start difference. First operand has 80 states, 48 states have (on average 1.4583333333333333) internal successors, (70), 49 states have internal predecessors, (70), 29 states have call successors, (29), 1 states have call predecessors, (29), 1 states have return successors, (29), 29 states have call predecessors, (29), 29 states have call successors, (29) 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, (29), 1 states have call predecessors, (29), 1 states have return successors, (29), 1 states have call predecessors, (29), 1 states have call successors, (29) [2023-11-23 21:08:48,044 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.33s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-23 21:08:50,047 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-23 21:08:52,053 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-23 21:08:52,214 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 21:08:52,214 INFO L93 Difference]: Finished difference Result 232 states and 434 transitions. [2023-11-23 21:08:52,215 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-23 21:08:52,217 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, (29), 1 states have call predecessors, (29), 1 states have return successors, (29), 1 states have call predecessors, (29), 1 states have call successors, (29) Word has length 183 [2023-11-23 21:08:52,218 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 21:08:52,228 INFO L225 Difference]: With dead ends: 232 [2023-11-23 21:08:52,228 INFO L226 Difference]: Without dead ends: 153 [2023-11-23 21:08:52,232 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 182 GetRequests, 181 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-23 21:08:52,236 INFO L413 NwaCegarLoop]: 138 mSDtfsCounter, 30 mSDsluCounter, 104 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 8 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 30 SdHoareTripleChecker+Valid, 242 SdHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.8s IncrementalHoareTripleChecker+Time [2023-11-23 21:08:52,237 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [30 Valid, 242 Invalid, 26 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 15 Invalid, 3 Unknown, 0 Unchecked, 6.8s Time] [2023-11-23 21:08:52,251 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 153 states. [2023-11-23 21:08:52,300 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 153 to 151. [2023-11-23 21:08:52,302 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 151 states, 90 states have (on average 1.3) internal successors, (117), 90 states have internal predecessors, (117), 58 states have call successors, (58), 2 states have call predecessors, (58), 2 states have return successors, (58), 58 states have call predecessors, (58), 58 states have call successors, (58) [2023-11-23 21:08:52,305 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 151 states and 233 transitions. [2023-11-23 21:08:52,307 INFO L78 Accepts]: Start accepts. Automaton has 151 states and 233 transitions. Word has length 183 [2023-11-23 21:08:52,308 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 21:08:52,309 INFO L495 AbstractCegarLoop]: Abstraction has 151 states and 233 transitions. [2023-11-23 21:08:52,309 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, (29), 1 states have call predecessors, (29), 1 states have return successors, (29), 1 states have call predecessors, (29), 1 states have call successors, (29) [2023-11-23 21:08:52,309 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 233 transitions. [2023-11-23 21:08:52,314 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 184 [2023-11-23 21:08:52,314 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:08:52,315 INFO L195 NwaCegarLoop]: trace histogram [29, 29, 29, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 21:08:52,341 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b5e6df4-fef2-4ed4-8ee9-a30a0349d0d4/bin/utaipan-verify-mE87zJ7Ire/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Ended with exit code 0 [2023-11-23 21:08:52,528 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b5e6df4-fef2-4ed4-8ee9-a30a0349d0d4/bin/utaipan-verify-mE87zJ7Ire/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-23 21:08:52,528 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:08:52,529 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:08:52,529 INFO L85 PathProgramCache]: Analyzing trace with hash -1155839181, now seen corresponding path program 1 times [2023-11-23 21:08:52,530 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-23 21:08:52,530 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [769852577] [2023-11-23 21:08:52,531 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:08:52,531 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-23 21:08:52,531 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b5e6df4-fef2-4ed4-8ee9-a30a0349d0d4/bin/utaipan-verify-mE87zJ7Ire/mathsat [2023-11-23 21:08:52,532 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b5e6df4-fef2-4ed4-8ee9-a30a0349d0d4/bin/utaipan-verify-mE87zJ7Ire/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-23 21:08:52,534 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b5e6df4-fef2-4ed4-8ee9-a30a0349d0d4/bin/utaipan-verify-mE87zJ7Ire/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2023-11-23 21:08:54,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:08:54,231 INFO L262 TraceCheckSpWp]: Trace formula consists of 298 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 21:08:54,239 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 21:08:54,477 INFO L134 CoverageAnalysis]: Checked inductivity of 1624 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1624 trivial. 0 not checked. [2023-11-23 21:08:54,478 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-23 21:08:54,478 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-23 21:08:54,478 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [769852577] [2023-11-23 21:08:54,478 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [769852577] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 21:08:54,479 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 21:08:54,479 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-23 21:08:54,479 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1139297637] [2023-11-23 21:08:54,479 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 21:08:54,481 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-23 21:08:54,481 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-23 21:08:54,482 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-23 21:08:54,483 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-23 21:08:54,483 INFO L87 Difference]: Start difference. First operand 151 states and 233 transitions. Second operand has 4 states, 4 states have (on average 10.25) internal successors, (41), 4 states have internal predecessors, (41), 1 states have call successors, (29), 1 states have call predecessors, (29), 1 states have return successors, (29), 1 states have call predecessors, (29), 1 states have call successors, (29) [2023-11-23 21:08:57,341 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.31s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-23 21:08:59,352 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-11-23 21:09:01,355 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-11-23 21:09:03,360 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-11-23 21:09:05,363 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-11-23 21:09:05,536 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 21:09:05,536 INFO L93 Difference]: Finished difference Result 451 states and 697 transitions. [2023-11-23 21:09:05,537 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-23 21:09:05,537 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 10.25) internal successors, (41), 4 states have internal predecessors, (41), 1 states have call successors, (29), 1 states have call predecessors, (29), 1 states have return successors, (29), 1 states have call predecessors, (29), 1 states have call successors, (29) Word has length 183 [2023-11-23 21:09:05,539 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 21:09:05,544 INFO L225 Difference]: With dead ends: 451 [2023-11-23 21:09:05,544 INFO L226 Difference]: Without dead ends: 301 [2023-11-23 21:09:05,547 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 183 GetRequests, 180 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-23 21:09:05,555 INFO L413 NwaCegarLoop]: 140 mSDtfsCounter, 146 mSDsluCounter, 230 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 1 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 146 SdHoareTripleChecker+Valid, 370 SdHoareTripleChecker+Invalid, 29 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.9s IncrementalHoareTripleChecker+Time [2023-11-23 21:09:05,556 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [146 Valid, 370 Invalid, 29 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 23 Invalid, 5 Unknown, 0 Unchecked, 10.9s Time] [2023-11-23 21:09:05,558 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 301 states. [2023-11-23 21:09:05,661 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 301 to 157. [2023-11-23 21:09:05,664 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 157 states, 96 states have (on average 1.2916666666666667) internal successors, (124), 96 states have internal predecessors, (124), 58 states have call successors, (58), 2 states have call predecessors, (58), 2 states have return successors, (58), 58 states have call predecessors, (58), 58 states have call successors, (58) [2023-11-23 21:09:05,668 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 157 states and 240 transitions. [2023-11-23 21:09:05,669 INFO L78 Accepts]: Start accepts. Automaton has 157 states and 240 transitions. Word has length 183 [2023-11-23 21:09:05,670 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 21:09:05,670 INFO L495 AbstractCegarLoop]: Abstraction has 157 states and 240 transitions. [2023-11-23 21:09:05,671 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.25) internal successors, (41), 4 states have internal predecessors, (41), 1 states have call successors, (29), 1 states have call predecessors, (29), 1 states have return successors, (29), 1 states have call predecessors, (29), 1 states have call successors, (29) [2023-11-23 21:09:05,672 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 240 transitions. [2023-11-23 21:09:05,676 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 184 [2023-11-23 21:09:05,680 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:09:05,682 INFO L195 NwaCegarLoop]: trace histogram [29, 29, 29, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 21:09:05,709 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b5e6df4-fef2-4ed4-8ee9-a30a0349d0d4/bin/utaipan-verify-mE87zJ7Ire/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2023-11-23 21:09:05,892 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b5e6df4-fef2-4ed4-8ee9-a30a0349d0d4/bin/utaipan-verify-mE87zJ7Ire/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-23 21:09:05,893 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:09:05,893 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:09:05,893 INFO L85 PathProgramCache]: Analyzing trace with hash 1550780213, now seen corresponding path program 1 times [2023-11-23 21:09:05,894 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-23 21:09:05,895 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1880157127] [2023-11-23 21:09:05,895 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:09:05,895 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-23 21:09:05,895 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b5e6df4-fef2-4ed4-8ee9-a30a0349d0d4/bin/utaipan-verify-mE87zJ7Ire/mathsat [2023-11-23 21:09:05,897 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b5e6df4-fef2-4ed4-8ee9-a30a0349d0d4/bin/utaipan-verify-mE87zJ7Ire/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-23 21:09:05,900 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b5e6df4-fef2-4ed4-8ee9-a30a0349d0d4/bin/utaipan-verify-mE87zJ7Ire/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2023-11-23 21:09:07,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:09:07,622 INFO L262 TraceCheckSpWp]: Trace formula consists of 298 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-23 21:09:07,629 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 21:09:11,334 INFO L134 CoverageAnalysis]: Checked inductivity of 1624 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1624 trivial. 0 not checked. [2023-11-23 21:09:11,338 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-23 21:09:11,338 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-23 21:09:11,339 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1880157127] [2023-11-23 21:09:11,339 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1880157127] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 21:09:11,339 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 21:09:11,339 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-23 21:09:11,339 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [775562063] [2023-11-23 21:09:11,340 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 21:09:11,341 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-23 21:09:11,341 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-23 21:09:11,342 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-23 21:09:11,342 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-11-23 21:09:11,342 INFO L87 Difference]: Start difference. First operand 157 states and 240 transitions. Second operand has 5 states, 5 states have (on average 8.2) internal successors, (41), 4 states have internal predecessors, (41), 1 states have call successors, (29), 1 states have call predecessors, (29), 1 states have return successors, (29), 1 states have call predecessors, (29), 1 states have call successors, (29)