./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-25_file-11.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc4ee543-c903-47b8-b8db-48b845031a4c/bin/utaipan-verify-nQ1chXbOIh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc4ee543-c903-47b8-b8db-48b845031a4c/bin/utaipan-verify-nQ1chXbOIh/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc4ee543-c903-47b8-b8db-48b845031a4c/bin/utaipan-verify-nQ1chXbOIh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc4ee543-c903-47b8-b8db-48b845031a4c/bin/utaipan-verify-nQ1chXbOIh/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-25_file-11.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc4ee543-c903-47b8-b8db-48b845031a4c/bin/utaipan-verify-nQ1chXbOIh/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc4ee543-c903-47b8-b8db-48b845031a4c/bin/utaipan-verify-nQ1chXbOIh --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash f51ee4a7220dc2b51ff1b4163bfc3c5ced88b90b523c25a3c78fe5519978425e --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 15:49:58,845 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 15:49:58,909 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc4ee543-c903-47b8-b8db-48b845031a4c/bin/utaipan-verify-nQ1chXbOIh/config/svcomp-Reach-32bit-Taipan_Default.epf [2023-12-02 15:49:58,914 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-02 15:49:58,915 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-02 15:49:58,941 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 15:49:58,942 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-02 15:49:58,942 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-02 15:49:58,943 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 15:49:58,943 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-02 15:49:58,944 INFO L153 SettingsManager]: * User list type=DISABLED [2023-12-02 15:49:58,944 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-12-02 15:49:58,945 INFO L153 SettingsManager]: * Explicit value domain=true [2023-12-02 15:49:58,945 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-12-02 15:49:58,946 INFO L153 SettingsManager]: * Octagon Domain=false [2023-12-02 15:49:58,946 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-12-02 15:49:58,947 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-12-02 15:49:58,947 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-12-02 15:49:58,948 INFO L153 SettingsManager]: * Interval Domain=false [2023-12-02 15:49:58,948 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-12-02 15:49:58,949 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-12-02 15:49:58,949 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-12-02 15:49:58,950 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 15:49:58,951 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 15:49:58,951 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-02 15:49:58,952 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-02 15:49:58,952 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-02 15:49:58,952 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 15:49:58,953 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 15:49:58,953 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 15:49:58,953 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 15:49:58,954 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-02 15:49:58,954 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 15:49:58,954 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 15:49:58,955 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 15:49:58,955 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-02 15:49:58,955 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-02 15:49:58,955 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 15:49:58,956 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 15:49:58,956 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 15:49:58,956 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 15:49:58,956 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-12-02 15:49:58,957 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-02 15:49:58,957 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-02 15:49:58,957 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 15:49:58,957 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-12-02 15:49:58,957 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-02 15:49:58,957 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_bc4ee543-c903-47b8-b8db-48b845031a4c/bin/utaipan-verify-nQ1chXbOIh/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc4ee543-c903-47b8-b8db-48b845031a4c/bin/utaipan-verify-nQ1chXbOIh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f51ee4a7220dc2b51ff1b4163bfc3c5ced88b90b523c25a3c78fe5519978425e [2023-12-02 15:49:59,158 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 15:49:59,177 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 15:49:59,179 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 15:49:59,181 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 15:49:59,181 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 15:49:59,183 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc4ee543-c903-47b8-b8db-48b845031a4c/bin/utaipan-verify-nQ1chXbOIh/../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-25_file-11.i [2023-12-02 15:50:01,927 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 15:50:02,102 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 15:50:02,103 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc4ee543-c903-47b8-b8db-48b845031a4c/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-25_file-11.i [2023-12-02 15:50:02,112 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc4ee543-c903-47b8-b8db-48b845031a4c/bin/utaipan-verify-nQ1chXbOIh/data/e23cfa45d/839e481724af4cbb9e29c223f408f005/FLAG442647e8e [2023-12-02 15:50:02,123 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc4ee543-c903-47b8-b8db-48b845031a4c/bin/utaipan-verify-nQ1chXbOIh/data/e23cfa45d/839e481724af4cbb9e29c223f408f005 [2023-12-02 15:50:02,126 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 15:50:02,128 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 15:50:02,129 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 15:50:02,129 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 15:50:02,134 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 15:50:02,135 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 03:50:02" (1/1) ... [2023-12-02 15:50:02,136 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@855f4ce and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:50:02, skipping insertion in model container [2023-12-02 15:50:02,137 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 03:50:02" (1/1) ... [2023-12-02 15:50:02,170 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 15:50:02,294 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_bc4ee543-c903-47b8-b8db-48b845031a4c/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-25_file-11.i[915,928] [2023-12-02 15:50:02,348 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 15:50:02,362 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 15:50:02,371 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_bc4ee543-c903-47b8-b8db-48b845031a4c/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-25_file-11.i[915,928] [2023-12-02 15:50:02,399 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 15:50:02,418 INFO L206 MainTranslator]: Completed translation [2023-12-02 15:50:02,419 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:50:02 WrapperNode [2023-12-02 15:50:02,419 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 15:50:02,420 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 15:50:02,420 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 15:50:02,420 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 15:50:02,428 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:50:02" (1/1) ... [2023-12-02 15:50:02,439 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:50:02" (1/1) ... [2023-12-02 15:50:02,470 INFO L138 Inliner]: procedures = 26, calls = 37, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 178 [2023-12-02 15:50:02,470 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 15:50:02,471 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 15:50:02,471 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 15:50:02,471 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 15:50:02,481 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:50:02" (1/1) ... [2023-12-02 15:50:02,481 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:50:02" (1/1) ... [2023-12-02 15:50:02,484 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:50:02" (1/1) ... [2023-12-02 15:50:02,484 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:50:02" (1/1) ... [2023-12-02 15:50:02,490 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:50:02" (1/1) ... [2023-12-02 15:50:02,493 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:50:02" (1/1) ... [2023-12-02 15:50:02,495 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:50:02" (1/1) ... [2023-12-02 15:50:02,496 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:50:02" (1/1) ... [2023-12-02 15:50:02,500 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 15:50:02,501 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 15:50:02,501 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 15:50:02,501 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 15:50:02,502 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:50:02" (1/1) ... [2023-12-02 15:50:02,508 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 15:50:02,519 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc4ee543-c903-47b8-b8db-48b845031a4c/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 15:50:02,531 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc4ee543-c903-47b8-b8db-48b845031a4c/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-12-02 15:50:02,533 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc4ee543-c903-47b8-b8db-48b845031a4c/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-12-02 15:50:02,564 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 15:50:02,564 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-12-02 15:50:02,565 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-12-02 15:50:02,565 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-02 15:50:02,565 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 15:50:02,565 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 15:50:02,657 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 15:50:02,659 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 15:50:02,953 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 15:50:03,200 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 15:50:03,201 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-02 15:50:03,202 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 03:50:03 BoogieIcfgContainer [2023-12-02 15:50:03,203 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 15:50:03,206 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-02 15:50:03,206 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-02 15:50:03,209 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-02 15:50:03,210 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 03:50:02" (1/3) ... [2023-12-02 15:50:03,211 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@92e9ad4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 03:50:03, skipping insertion in model container [2023-12-02 15:50:03,211 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:50:02" (2/3) ... [2023-12-02 15:50:03,211 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@92e9ad4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 03:50:03, skipping insertion in model container [2023-12-02 15:50:03,211 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 03:50:03" (3/3) ... [2023-12-02 15:50:03,213 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodesize_ps-cn-25_file-11.i [2023-12-02 15:50:03,233 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-02 15:50:03,233 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-12-02 15:50:03,285 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-02 15:50:03,292 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;@1c24c6f7, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-02 15:50:03,292 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-12-02 15:50:03,296 INFO L276 IsEmpty]: Start isEmpty. Operand has 47 states, 20 states have (on average 1.15) internal successors, (23), 21 states have internal predecessors, (23), 24 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) [2023-12-02 15:50:03,309 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2023-12-02 15:50:03,309 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 15:50:03,310 INFO L195 NwaCegarLoop]: trace histogram [24, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 15:50:03,310 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 15:50:03,316 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 15:50:03,317 INFO L85 PathProgramCache]: Analyzing trace with hash -447553662, now seen corresponding path program 1 times [2023-12-02 15:50:03,327 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 15:50:03,328 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1874581421] [2023-12-02 15:50:03,328 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 15:50:03,328 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 15:50:03,480 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-12-02 15:50:03,481 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1905045799] [2023-12-02 15:50:03,481 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 15:50:03,481 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 15:50:03,482 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc4ee543-c903-47b8-b8db-48b845031a4c/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 15:50:03,489 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc4ee543-c903-47b8-b8db-48b845031a4c/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-02 15:50:03,493 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc4ee543-c903-47b8-b8db-48b845031a4c/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-12-02 15:51:19,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 15:51:19,041 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-02 15:51:19,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 15:51:19,299 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2023-12-02 15:51:19,302 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-12-02 15:51:19,303 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-12-02 15:51:19,331 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc4ee543-c903-47b8-b8db-48b845031a4c/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-12-02 15:51:19,506 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc4ee543-c903-47b8-b8db-48b845031a4c/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 15:51:19,510 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-12-02 15:51:19,514 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-12-02 15:51:19,614 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.12 03:51:19 BoogieIcfgContainer [2023-12-02 15:51:19,614 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-12-02 15:51:19,614 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-12-02 15:51:19,615 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-12-02 15:51:19,615 INFO L274 PluginConnector]: Witness Printer initialized [2023-12-02 15:51:19,615 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 03:50:03" (3/4) ... [2023-12-02 15:51:19,617 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-12-02 15:51:19,618 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-12-02 15:51:19,620 INFO L158 Benchmark]: Toolchain (without parser) took 77491.67ms. Allocated memory was 155.2MB in the beginning and 205.5MB in the end (delta: 50.3MB). Free memory was 106.3MB in the beginning and 102.5MB in the end (delta: 3.9MB). Peak memory consumption was 55.3MB. Max. memory is 16.1GB. [2023-12-02 15:51:19,620 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 100.7MB. Free memory is still 49.2MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 15:51:19,621 INFO L158 Benchmark]: CACSL2BoogieTranslator took 290.03ms. Allocated memory is still 155.2MB. Free memory was 106.3MB in the beginning and 92.2MB in the end (delta: 14.1MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-12-02 15:51:19,621 INFO L158 Benchmark]: Boogie Procedure Inliner took 50.65ms. Allocated memory is still 155.2MB. Free memory was 92.2MB in the beginning and 89.6MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-02 15:51:19,622 INFO L158 Benchmark]: Boogie Preprocessor took 28.77ms. Allocated memory is still 155.2MB. Free memory was 89.6MB in the beginning and 87.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-02 15:51:19,623 INFO L158 Benchmark]: RCFGBuilder took 702.13ms. Allocated memory was 155.2MB in the beginning and 205.5MB in the end (delta: 50.3MB). Free memory was 87.5MB in the beginning and 154.9MB in the end (delta: -67.4MB). Peak memory consumption was 30.2MB. Max. memory is 16.1GB. [2023-12-02 15:51:19,623 INFO L158 Benchmark]: TraceAbstraction took 76408.21ms. Allocated memory is still 205.5MB. Free memory was 153.8MB in the beginning and 102.5MB in the end (delta: 51.4MB). Peak memory consumption was 50.3MB. Max. memory is 16.1GB. [2023-12-02 15:51:19,624 INFO L158 Benchmark]: Witness Printer took 3.98ms. Allocated memory is still 205.5MB. Free memory is still 102.5MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 15:51:19,628 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18ms. Allocated memory is still 100.7MB. Free memory is still 49.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 290.03ms. Allocated memory is still 155.2MB. Free memory was 106.3MB in the beginning and 92.2MB in the end (delta: 14.1MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 50.65ms. Allocated memory is still 155.2MB. Free memory was 92.2MB in the beginning and 89.6MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 28.77ms. Allocated memory is still 155.2MB. Free memory was 89.6MB in the beginning and 87.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 702.13ms. Allocated memory was 155.2MB in the beginning and 205.5MB in the end (delta: 50.3MB). Free memory was 87.5MB in the beginning and 154.9MB in the end (delta: -67.4MB). Peak memory consumption was 30.2MB. Max. memory is 16.1GB. * TraceAbstraction took 76408.21ms. Allocated memory is still 205.5MB. Free memory was 153.8MB in the beginning and 102.5MB in the end (delta: 51.4MB). Peak memory consumption was 50.3MB. Max. memory is 16.1GB. * Witness Printer took 3.98ms. Allocated memory is still 205.5MB. Free memory is still 102.5MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryDOUBLEComparisonOperation at line 84, overapproximation of someBinaryFLOATComparisonOperation at line 68, overapproximation of someUnaryDOUBLEoperation at line 96. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] unsigned char var_1_1 = 1; [L23] unsigned char var_1_2 = 0; [L24] unsigned char var_1_3 = 0; [L25] signed char var_1_4 = 5; [L26] signed char var_1_7 = 0; [L27] signed char var_1_8 = 16; [L28] signed char var_1_9 = 4; [L29] unsigned long int var_1_10 = 128; [L30] unsigned long int var_1_11 = 1422462314; [L31] signed short int var_1_12 = 8; [L32] signed short int var_1_15 = -50; [L33] unsigned long int var_1_16 = 1; [L34] unsigned long int var_1_17 = 3609236770; [L35] unsigned long int var_1_18 = 2902762324; [L36] double var_1_19 = 3.8; [L37] double var_1_20 = 255.75; [L38] unsigned short int var_1_21 = 0; [L39] signed char var_1_22 = -8; [L40] signed long int var_1_23 = -32; [L41] signed long int var_1_24 = 16; [L42] signed char var_1_25 = 5; [L43] signed long int var_1_26 = -4; [L44] unsigned char var_1_27 = 0; [L45] signed short int var_1_28 = -16; [L46] float var_1_29 = 99999999.5; [L47] float var_1_30 = 24.63; [L48] float var_1_31 = 49.4; [L49] unsigned char var_1_32 = 1; [L50] unsigned long int last_1_var_1_10 = 128; [L51] unsigned long int last_1_var_1_16 = 1; [L52] double last_1_var_1_19 = 3.8; [L172] isInitial = 1 [L173] FCALL initially() [L174] COND TRUE 1 [L175] CALL updateLastVariables() [L163] last_1_var_1_10 = var_1_10 [L164] last_1_var_1_16 = var_1_16 [L165] last_1_var_1_19 = var_1_19 [L175] RET updateLastVariables() [L176] CALL updateVariables() [L123] var_1_2 = __VERIFIER_nondet_uchar() [L124] CALL assume_abort_if_not(var_1_2 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=128, last_1_var_1_16=1, last_1_var_1_19=19/5, var_1_10=128, var_1_11=1422462314, var_1_12=8, var_1_15=-50, var_1_16=1, var_1_17=3609236770, var_1_18=2902762324, var_1_19=19/5, var_1_1=1, var_1_20=1023/4, var_1_21=0, var_1_22=-8, var_1_23=-32, var_1_24=16, var_1_25=5, var_1_26=-4, var_1_27=0, var_1_28=-16, var_1_29=199999999/2, var_1_30=2463/100, var_1_31=247/5, var_1_32=1, var_1_3=0, var_1_4=5, var_1_7=0, var_1_8=16, var_1_9=4] [L20] COND FALSE !(!cond) [L124] RET assume_abort_if_not(var_1_2 >= 0) VAL [isInitial=1, last_1_var_1_10=128, last_1_var_1_16=1, last_1_var_1_19=19/5, var_1_10=128, var_1_11=1422462314, var_1_12=8, var_1_15=-50, var_1_16=1, var_1_17=3609236770, var_1_18=2902762324, var_1_19=19/5, var_1_1=1, var_1_20=1023/4, var_1_21=0, var_1_22=-8, var_1_23=-32, var_1_24=16, var_1_25=5, var_1_26=-4, var_1_27=0, var_1_28=-16, var_1_29=199999999/2, var_1_30=2463/100, var_1_31=247/5, var_1_32=1, var_1_3=0, var_1_4=5, var_1_7=0, var_1_8=16, var_1_9=4] [L125] CALL assume_abort_if_not(var_1_2 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=128, last_1_var_1_16=1, last_1_var_1_19=19/5, var_1_10=128, var_1_11=1422462314, var_1_12=8, var_1_15=-50, var_1_16=1, var_1_17=3609236770, var_1_18=2902762324, var_1_19=19/5, var_1_1=1, var_1_20=1023/4, var_1_21=0, var_1_22=-8, var_1_23=-32, var_1_24=16, var_1_25=5, var_1_26=-4, var_1_27=0, var_1_28=-16, var_1_29=199999999/2, var_1_2=1, var_1_30=2463/100, var_1_31=247/5, var_1_32=1, var_1_3=0, var_1_4=5, var_1_7=0, var_1_8=16, var_1_9=4] [L20] COND FALSE !(!cond) [L125] RET assume_abort_if_not(var_1_2 <= 1) VAL [isInitial=1, last_1_var_1_10=128, last_1_var_1_16=1, last_1_var_1_19=19/5, var_1_10=128, var_1_11=1422462314, var_1_12=8, var_1_15=-50, var_1_16=1, var_1_17=3609236770, var_1_18=2902762324, var_1_19=19/5, var_1_1=1, var_1_20=1023/4, var_1_21=0, var_1_22=-8, var_1_23=-32, var_1_24=16, var_1_25=5, var_1_26=-4, var_1_27=0, var_1_28=-16, var_1_29=199999999/2, var_1_2=1, var_1_30=2463/100, var_1_31=247/5, var_1_32=1, var_1_3=0, var_1_4=5, var_1_7=0, var_1_8=16, var_1_9=4] [L126] var_1_3 = __VERIFIER_nondet_uchar() [L127] CALL assume_abort_if_not(var_1_3 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=128, last_1_var_1_16=1, last_1_var_1_19=19/5, var_1_10=128, var_1_11=1422462314, var_1_12=8, var_1_15=-50, var_1_16=1, var_1_17=3609236770, var_1_18=2902762324, var_1_19=19/5, var_1_1=1, var_1_20=1023/4, var_1_21=0, var_1_22=-8, var_1_23=-32, var_1_24=16, var_1_25=5, var_1_26=-4, var_1_27=0, var_1_28=-16, var_1_29=199999999/2, var_1_2=1, var_1_30=2463/100, var_1_31=247/5, var_1_32=1, var_1_4=5, var_1_7=0, var_1_8=16, var_1_9=4] [L20] COND FALSE !(!cond) [L127] RET assume_abort_if_not(var_1_3 >= 0) VAL [isInitial=1, last_1_var_1_10=128, last_1_var_1_16=1, last_1_var_1_19=19/5, var_1_10=128, var_1_11=1422462314, var_1_12=8, var_1_15=-50, var_1_16=1, var_1_17=3609236770, var_1_18=2902762324, var_1_19=19/5, var_1_1=1, var_1_20=1023/4, var_1_21=0, var_1_22=-8, var_1_23=-32, var_1_24=16, var_1_25=5, var_1_26=-4, var_1_27=0, var_1_28=-16, var_1_29=199999999/2, var_1_2=1, var_1_30=2463/100, var_1_31=247/5, var_1_32=1, var_1_4=5, var_1_7=0, var_1_8=16, var_1_9=4] [L128] CALL assume_abort_if_not(var_1_3 <= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=128, last_1_var_1_16=1, last_1_var_1_19=19/5, var_1_10=128, var_1_11=1422462314, var_1_12=8, var_1_15=-50, var_1_16=1, var_1_17=3609236770, var_1_18=2902762324, var_1_19=19/5, var_1_1=1, var_1_20=1023/4, var_1_21=0, var_1_22=-8, var_1_23=-32, var_1_24=16, var_1_25=5, var_1_26=-4, var_1_27=0, var_1_28=-16, var_1_29=199999999/2, var_1_2=1, var_1_30=2463/100, var_1_31=247/5, var_1_32=1, var_1_3=0, var_1_4=5, var_1_7=0, var_1_8=16, var_1_9=4] [L20] COND FALSE !(!cond) [L128] RET assume_abort_if_not(var_1_3 <= 0) VAL [isInitial=1, last_1_var_1_10=128, last_1_var_1_16=1, last_1_var_1_19=19/5, var_1_10=128, var_1_11=1422462314, var_1_12=8, var_1_15=-50, var_1_16=1, var_1_17=3609236770, var_1_18=2902762324, var_1_19=19/5, var_1_1=1, var_1_20=1023/4, var_1_21=0, var_1_22=-8, var_1_23=-32, var_1_24=16, var_1_25=5, var_1_26=-4, var_1_27=0, var_1_28=-16, var_1_29=199999999/2, var_1_2=1, var_1_30=2463/100, var_1_31=247/5, var_1_32=1, var_1_3=0, var_1_4=5, var_1_7=0, var_1_8=16, var_1_9=4] [L129] var_1_7 = __VERIFIER_nondet_char() [L130] CALL assume_abort_if_not(var_1_7 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=128, last_1_var_1_16=1, last_1_var_1_19=19/5, var_1_10=128, var_1_11=1422462314, var_1_12=8, var_1_15=-50, var_1_16=1, var_1_17=3609236770, var_1_18=2902762324, var_1_19=19/5, var_1_1=1, var_1_20=1023/4, var_1_21=0, var_1_22=-8, var_1_23=-32, var_1_24=16, var_1_25=5, var_1_26=-4, var_1_27=0, var_1_28=-16, var_1_29=199999999/2, var_1_2=1, var_1_30=2463/100, var_1_31=247/5, var_1_32=1, var_1_3=0, var_1_4=5, var_1_7=1, var_1_8=16, var_1_9=4] [L20] COND FALSE !(!cond) [L130] RET assume_abort_if_not(var_1_7 >= 0) VAL [isInitial=1, last_1_var_1_10=128, last_1_var_1_16=1, last_1_var_1_19=19/5, var_1_10=128, var_1_11=1422462314, var_1_12=8, var_1_15=-50, var_1_16=1, var_1_17=3609236770, var_1_18=2902762324, var_1_19=19/5, var_1_1=1, var_1_20=1023/4, var_1_21=0, var_1_22=-8, var_1_23=-32, var_1_24=16, var_1_25=5, var_1_26=-4, var_1_27=0, var_1_28=-16, var_1_29=199999999/2, var_1_2=1, var_1_30=2463/100, var_1_31=247/5, var_1_32=1, var_1_3=0, var_1_4=5, var_1_7=1, var_1_8=16, var_1_9=4] [L131] CALL assume_abort_if_not(var_1_7 <= 63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=128, last_1_var_1_16=1, last_1_var_1_19=19/5, var_1_10=128, var_1_11=1422462314, var_1_12=8, var_1_15=-50, var_1_16=1, var_1_17=3609236770, var_1_18=2902762324, var_1_19=19/5, var_1_1=1, var_1_20=1023/4, var_1_21=0, var_1_22=-8, var_1_23=-32, var_1_24=16, var_1_25=5, var_1_26=-4, var_1_27=0, var_1_28=-16, var_1_29=199999999/2, var_1_2=1, var_1_30=2463/100, var_1_31=247/5, var_1_32=1, var_1_3=0, var_1_4=5, var_1_7=1, var_1_8=16, var_1_9=4] [L20] COND FALSE !(!cond) [L131] RET assume_abort_if_not(var_1_7 <= 63) VAL [isInitial=1, last_1_var_1_10=128, last_1_var_1_16=1, last_1_var_1_19=19/5, var_1_10=128, var_1_11=1422462314, var_1_12=8, var_1_15=-50, var_1_16=1, var_1_17=3609236770, var_1_18=2902762324, var_1_19=19/5, var_1_1=1, var_1_20=1023/4, var_1_21=0, var_1_22=-8, var_1_23=-32, var_1_24=16, var_1_25=5, var_1_26=-4, var_1_27=0, var_1_28=-16, var_1_29=199999999/2, var_1_2=1, var_1_30=2463/100, var_1_31=247/5, var_1_32=1, var_1_3=0, var_1_4=5, var_1_7=1, var_1_8=16, var_1_9=4] [L132] var_1_8 = __VERIFIER_nondet_char() [L133] CALL assume_abort_if_not(var_1_8 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=128, last_1_var_1_16=1, last_1_var_1_19=19/5, var_1_10=128, var_1_11=1422462314, var_1_12=8, var_1_15=-50, var_1_16=1, var_1_17=3609236770, var_1_18=2902762324, var_1_19=19/5, var_1_1=1, var_1_20=1023/4, var_1_21=0, var_1_22=-8, var_1_23=-32, var_1_24=16, var_1_25=5, var_1_26=-4, var_1_27=0, var_1_28=-16, var_1_29=199999999/2, var_1_2=1, var_1_30=2463/100, var_1_31=247/5, var_1_32=1, var_1_3=0, var_1_4=5, var_1_7=1, var_1_8=1, var_1_9=4] [L20] COND FALSE !(!cond) [L133] RET assume_abort_if_not(var_1_8 >= 0) VAL [isInitial=1, last_1_var_1_10=128, last_1_var_1_16=1, last_1_var_1_19=19/5, var_1_10=128, var_1_11=1422462314, var_1_12=8, var_1_15=-50, var_1_16=1, var_1_17=3609236770, var_1_18=2902762324, var_1_19=19/5, var_1_1=1, var_1_20=1023/4, var_1_21=0, var_1_22=-8, var_1_23=-32, var_1_24=16, var_1_25=5, var_1_26=-4, var_1_27=0, var_1_28=-16, var_1_29=199999999/2, var_1_2=1, var_1_30=2463/100, var_1_31=247/5, var_1_32=1, var_1_3=0, var_1_4=5, var_1_7=1, var_1_8=1, var_1_9=4] [L134] CALL assume_abort_if_not(var_1_8 <= 63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=128, last_1_var_1_16=1, last_1_var_1_19=19/5, var_1_10=128, var_1_11=1422462314, var_1_12=8, var_1_15=-50, var_1_16=1, var_1_17=3609236770, var_1_18=2902762324, var_1_19=19/5, var_1_1=1, var_1_20=1023/4, var_1_21=0, var_1_22=-8, var_1_23=-32, var_1_24=16, var_1_25=5, var_1_26=-4, var_1_27=0, var_1_28=-16, var_1_29=199999999/2, var_1_2=1, var_1_30=2463/100, var_1_31=247/5, var_1_32=1, var_1_3=0, var_1_4=5, var_1_7=1, var_1_8=1, var_1_9=4] [L20] COND FALSE !(!cond) [L134] RET assume_abort_if_not(var_1_8 <= 63) VAL [isInitial=1, last_1_var_1_10=128, last_1_var_1_16=1, last_1_var_1_19=19/5, var_1_10=128, var_1_11=1422462314, var_1_12=8, var_1_15=-50, var_1_16=1, var_1_17=3609236770, var_1_18=2902762324, var_1_19=19/5, var_1_1=1, var_1_20=1023/4, var_1_21=0, var_1_22=-8, var_1_23=-32, var_1_24=16, var_1_25=5, var_1_26=-4, var_1_27=0, var_1_28=-16, var_1_29=199999999/2, var_1_2=1, var_1_30=2463/100, var_1_31=247/5, var_1_32=1, var_1_3=0, var_1_4=5, var_1_7=1, var_1_8=1, var_1_9=4] [L135] var_1_9 = __VERIFIER_nondet_char() [L136] CALL assume_abort_if_not(var_1_9 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=128, last_1_var_1_16=1, last_1_var_1_19=19/5, var_1_10=128, var_1_11=1422462314, var_1_12=8, var_1_15=-50, var_1_16=1, var_1_17=3609236770, var_1_18=2902762324, var_1_19=19/5, var_1_1=1, var_1_20=1023/4, var_1_21=0, var_1_22=-8, var_1_23=-32, var_1_24=16, var_1_25=5, var_1_26=-4, var_1_27=0, var_1_28=-16, var_1_29=199999999/2, var_1_2=1, var_1_30=2463/100, var_1_31=247/5, var_1_32=1, var_1_3=0, var_1_4=5, var_1_7=1, var_1_8=1, var_1_9=0] [L20] COND FALSE !(!cond) [L136] RET assume_abort_if_not(var_1_9 >= 0) VAL [isInitial=1, last_1_var_1_10=128, last_1_var_1_16=1, last_1_var_1_19=19/5, var_1_10=128, var_1_11=1422462314, var_1_12=8, var_1_15=-50, var_1_16=1, var_1_17=3609236770, var_1_18=2902762324, var_1_19=19/5, var_1_1=1, var_1_20=1023/4, var_1_21=0, var_1_22=-8, var_1_23=-32, var_1_24=16, var_1_25=5, var_1_26=-4, var_1_27=0, var_1_28=-16, var_1_29=199999999/2, var_1_2=1, var_1_30=2463/100, var_1_31=247/5, var_1_32=1, var_1_3=0, var_1_4=5, var_1_7=1, var_1_8=1, var_1_9=0] [L137] CALL assume_abort_if_not(var_1_9 <= 126) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=128, last_1_var_1_16=1, last_1_var_1_19=19/5, var_1_10=128, var_1_11=1422462314, var_1_12=8, var_1_15=-50, var_1_16=1, var_1_17=3609236770, var_1_18=2902762324, var_1_19=19/5, var_1_1=1, var_1_20=1023/4, var_1_21=0, var_1_22=-8, var_1_23=-32, var_1_24=16, var_1_25=5, var_1_26=-4, var_1_27=0, var_1_28=-16, var_1_29=199999999/2, var_1_2=1, var_1_30=2463/100, var_1_31=247/5, var_1_32=1, var_1_3=0, var_1_4=5, var_1_7=1, var_1_8=1, var_1_9=0] [L20] COND FALSE !(!cond) [L137] RET assume_abort_if_not(var_1_9 <= 126) VAL [isInitial=1, last_1_var_1_10=128, last_1_var_1_16=1, last_1_var_1_19=19/5, var_1_10=128, var_1_11=1422462314, var_1_12=8, var_1_15=-50, var_1_16=1, var_1_17=3609236770, var_1_18=2902762324, var_1_19=19/5, var_1_1=1, var_1_20=1023/4, var_1_21=0, var_1_22=-8, var_1_23=-32, var_1_24=16, var_1_25=5, var_1_26=-4, var_1_27=0, var_1_28=-16, var_1_29=199999999/2, var_1_2=1, var_1_30=2463/100, var_1_31=247/5, var_1_32=1, var_1_3=0, var_1_4=5, var_1_7=1, var_1_8=1, var_1_9=0] [L138] var_1_11 = __VERIFIER_nondet_ulong() [L139] CALL assume_abort_if_not(var_1_11 >= 1073741823) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=128, last_1_var_1_16=1, last_1_var_1_19=19/5, var_1_10=128, var_1_11=2147483647, var_1_12=8, var_1_15=-50, var_1_16=1, var_1_17=3609236770, var_1_18=2902762324, var_1_19=19/5, var_1_1=1, var_1_20=1023/4, var_1_21=0, var_1_22=-8, var_1_23=-32, var_1_24=16, var_1_25=5, var_1_26=-4, var_1_27=0, var_1_28=-16, var_1_29=199999999/2, var_1_2=1, var_1_30=2463/100, var_1_31=247/5, var_1_32=1, var_1_3=0, var_1_4=5, var_1_7=1, var_1_8=1, var_1_9=0] [L20] COND FALSE !(!cond) [L139] RET assume_abort_if_not(var_1_11 >= 1073741823) VAL [isInitial=1, last_1_var_1_10=128, last_1_var_1_16=1, last_1_var_1_19=19/5, var_1_10=128, var_1_11=2147483647, var_1_12=8, var_1_15=-50, var_1_16=1, var_1_17=3609236770, var_1_18=2902762324, var_1_19=19/5, var_1_1=1, var_1_20=1023/4, var_1_21=0, var_1_22=-8, var_1_23=-32, var_1_24=16, var_1_25=5, var_1_26=-4, var_1_27=0, var_1_28=-16, var_1_29=199999999/2, var_1_2=1, var_1_30=2463/100, var_1_31=247/5, var_1_32=1, var_1_3=0, var_1_4=5, var_1_7=1, var_1_8=1, var_1_9=0] [L140] CALL assume_abort_if_not(var_1_11 <= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=128, last_1_var_1_16=1, last_1_var_1_19=19/5, var_1_10=128, var_1_11=2147483647, var_1_12=8, var_1_15=-50, var_1_16=1, var_1_17=3609236770, var_1_18=2902762324, var_1_19=19/5, var_1_1=1, var_1_20=1023/4, var_1_21=0, var_1_22=-8, var_1_23=-32, var_1_24=16, var_1_25=5, var_1_26=-4, var_1_27=0, var_1_28=-16, var_1_29=199999999/2, var_1_2=1, var_1_30=2463/100, var_1_31=247/5, var_1_32=1, var_1_3=0, var_1_4=5, var_1_7=1, var_1_8=1, var_1_9=0] [L20] COND FALSE !(!cond) [L140] RET assume_abort_if_not(var_1_11 <= 2147483647) VAL [isInitial=1, last_1_var_1_10=128, last_1_var_1_16=1, last_1_var_1_19=19/5, var_1_10=128, var_1_11=2147483647, var_1_12=8, var_1_15=-50, var_1_16=1, var_1_17=3609236770, var_1_18=2902762324, var_1_19=19/5, var_1_1=1, var_1_20=1023/4, var_1_21=0, var_1_22=-8, var_1_23=-32, var_1_24=16, var_1_25=5, var_1_26=-4, var_1_27=0, var_1_28=-16, var_1_29=199999999/2, var_1_2=1, var_1_30=2463/100, var_1_31=247/5, var_1_32=1, var_1_3=0, var_1_4=5, var_1_7=1, var_1_8=1, var_1_9=0] [L141] var_1_17 = __VERIFIER_nondet_ulong() [L142] CALL assume_abort_if_not(var_1_17 >= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=128, last_1_var_1_16=1, last_1_var_1_19=19/5, var_1_10=128, var_1_11=2147483647, var_1_12=8, var_1_15=-50, var_1_16=1, var_1_17=2147483647, var_1_18=2902762324, var_1_19=19/5, var_1_1=1, var_1_20=1023/4, var_1_21=0, var_1_22=-8, var_1_23=-32, var_1_24=16, var_1_25=5, var_1_26=-4, var_1_27=0, var_1_28=-16, var_1_29=199999999/2, var_1_2=1, var_1_30=2463/100, var_1_31=247/5, var_1_32=1, var_1_3=0, var_1_4=5, var_1_7=1, var_1_8=1, var_1_9=0] [L20] COND FALSE !(!cond) [L142] RET assume_abort_if_not(var_1_17 >= 2147483647) VAL [isInitial=1, last_1_var_1_10=128, last_1_var_1_16=1, last_1_var_1_19=19/5, var_1_10=128, var_1_11=2147483647, var_1_12=8, var_1_15=-50, var_1_16=1, var_1_17=2147483647, var_1_18=2902762324, var_1_19=19/5, var_1_1=1, var_1_20=1023/4, var_1_21=0, var_1_22=-8, var_1_23=-32, var_1_24=16, var_1_25=5, var_1_26=-4, var_1_27=0, var_1_28=-16, var_1_29=199999999/2, var_1_2=1, var_1_30=2463/100, var_1_31=247/5, var_1_32=1, var_1_3=0, var_1_4=5, var_1_7=1, var_1_8=1, var_1_9=0] [L143] CALL assume_abort_if_not(var_1_17 <= 4294967294) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=128, last_1_var_1_16=1, last_1_var_1_19=19/5, var_1_10=128, var_1_11=2147483647, var_1_12=8, var_1_15=-50, var_1_16=1, var_1_17=2147483647, var_1_18=2902762324, var_1_19=19/5, var_1_1=1, var_1_20=1023/4, var_1_21=0, var_1_22=-8, var_1_23=-32, var_1_24=16, var_1_25=5, var_1_26=-4, var_1_27=0, var_1_28=-16, var_1_29=199999999/2, var_1_2=1, var_1_30=2463/100, var_1_31=247/5, var_1_32=1, var_1_3=0, var_1_4=5, var_1_7=1, var_1_8=1, var_1_9=0] [L20] COND FALSE !(!cond) [L143] RET assume_abort_if_not(var_1_17 <= 4294967294) VAL [isInitial=1, last_1_var_1_10=128, last_1_var_1_16=1, last_1_var_1_19=19/5, var_1_10=128, var_1_11=2147483647, var_1_12=8, var_1_15=-50, var_1_16=1, var_1_17=2147483647, var_1_18=2902762324, var_1_19=19/5, var_1_1=1, var_1_20=1023/4, var_1_21=0, var_1_22=-8, var_1_23=-32, var_1_24=16, var_1_25=5, var_1_26=-4, var_1_27=0, var_1_28=-16, var_1_29=199999999/2, var_1_2=1, var_1_30=2463/100, var_1_31=247/5, var_1_32=1, var_1_3=0, var_1_4=5, var_1_7=1, var_1_8=1, var_1_9=0] [L144] var_1_18 = __VERIFIER_nondet_ulong() [L145] CALL assume_abort_if_not(var_1_18 >= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=128, last_1_var_1_16=1, last_1_var_1_19=19/5, var_1_10=128, var_1_11=2147483647, var_1_12=8, var_1_15=-50, var_1_16=1, var_1_17=2147483647, var_1_18=4294967294, var_1_19=19/5, var_1_1=1, var_1_20=1023/4, var_1_21=0, var_1_22=-8, var_1_23=-32, var_1_24=16, var_1_25=5, var_1_26=-4, var_1_27=0, var_1_28=-16, var_1_29=199999999/2, var_1_2=1, var_1_30=2463/100, var_1_31=247/5, var_1_32=1, var_1_3=0, var_1_4=5, var_1_7=1, var_1_8=1, var_1_9=0] [L20] COND FALSE !(!cond) [L145] RET assume_abort_if_not(var_1_18 >= 2147483647) VAL [isInitial=1, last_1_var_1_10=128, last_1_var_1_16=1, last_1_var_1_19=19/5, var_1_10=128, var_1_11=2147483647, var_1_12=8, var_1_15=-50, var_1_16=1, var_1_17=2147483647, var_1_18=4294967294, var_1_19=19/5, var_1_1=1, var_1_20=1023/4, var_1_21=0, var_1_22=-8, var_1_23=-32, var_1_24=16, var_1_25=5, var_1_26=-4, var_1_27=0, var_1_28=-16, var_1_29=199999999/2, var_1_2=1, var_1_30=2463/100, var_1_31=247/5, var_1_32=1, var_1_3=0, var_1_4=5, var_1_7=1, var_1_8=1, var_1_9=0] [L146] CALL assume_abort_if_not(var_1_18 <= 4294967294) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=128, last_1_var_1_16=1, last_1_var_1_19=19/5, var_1_10=128, var_1_11=2147483647, var_1_12=8, var_1_15=-50, var_1_16=1, var_1_17=2147483647, var_1_18=4294967294, var_1_19=19/5, var_1_1=1, var_1_20=1023/4, var_1_21=0, var_1_22=-8, var_1_23=-32, var_1_24=16, var_1_25=5, var_1_26=-4, var_1_27=0, var_1_28=-16, var_1_29=199999999/2, var_1_2=1, var_1_30=2463/100, var_1_31=247/5, var_1_32=1, var_1_3=0, var_1_4=5, var_1_7=1, var_1_8=1, var_1_9=0] [L20] COND FALSE !(!cond) [L146] RET assume_abort_if_not(var_1_18 <= 4294967294) VAL [isInitial=1, last_1_var_1_10=128, last_1_var_1_16=1, last_1_var_1_19=19/5, var_1_10=128, var_1_11=2147483647, var_1_12=8, var_1_15=-50, var_1_16=1, var_1_17=2147483647, var_1_18=4294967294, var_1_19=19/5, var_1_1=1, var_1_20=1023/4, var_1_21=0, var_1_22=-8, var_1_23=-32, var_1_24=16, var_1_25=5, var_1_26=-4, var_1_27=0, var_1_28=-16, var_1_29=199999999/2, var_1_2=1, var_1_30=2463/100, var_1_31=247/5, var_1_32=1, var_1_3=0, var_1_4=5, var_1_7=1, var_1_8=1, var_1_9=0] [L147] var_1_20 = __VERIFIER_nondet_double() [L148] CALL assume_abort_if_not((var_1_20 >= -922337.2036854765600e+13F && var_1_20 <= -1.0e-20F) || (var_1_20 <= 9223372.036854765600e+12F && var_1_20 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=128, last_1_var_1_16=1, last_1_var_1_19=19/5, var_1_10=128, var_1_11=2147483647, var_1_12=8, var_1_15=-50, var_1_16=1, var_1_17=2147483647, var_1_18=4294967294, var_1_19=19/5, var_1_1=1, var_1_21=0, var_1_22=-8, var_1_23=-32, var_1_24=16, var_1_25=5, var_1_26=-4, var_1_27=0, var_1_28=-16, var_1_29=199999999/2, var_1_2=1, var_1_30=2463/100, var_1_31=247/5, var_1_32=1, var_1_3=0, var_1_4=5, var_1_7=1, var_1_8=1, var_1_9=0] [L20] COND FALSE !(!cond) [L148] RET assume_abort_if_not((var_1_20 >= -922337.2036854765600e+13F && var_1_20 <= -1.0e-20F) || (var_1_20 <= 9223372.036854765600e+12F && var_1_20 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_10=128, last_1_var_1_16=1, last_1_var_1_19=19/5, var_1_10=128, var_1_11=2147483647, var_1_12=8, var_1_15=-50, var_1_16=1, var_1_17=2147483647, var_1_18=4294967294, var_1_19=19/5, var_1_1=1, var_1_21=0, var_1_22=-8, var_1_23=-32, var_1_24=16, var_1_25=5, var_1_26=-4, var_1_27=0, var_1_28=-16, var_1_29=199999999/2, var_1_2=1, var_1_30=2463/100, var_1_31=247/5, var_1_32=1, var_1_3=0, var_1_4=5, var_1_7=1, var_1_8=1, var_1_9=0] [L149] var_1_27 = __VERIFIER_nondet_uchar() [L150] CALL assume_abort_if_not(var_1_27 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=128, last_1_var_1_16=1, last_1_var_1_19=19/5, var_1_10=128, var_1_11=2147483647, var_1_12=8, var_1_15=-50, var_1_16=1, var_1_17=2147483647, var_1_18=4294967294, var_1_19=19/5, var_1_1=1, var_1_21=0, var_1_22=-8, var_1_23=-32, var_1_24=16, var_1_25=5, var_1_26=-4, var_1_28=-16, var_1_29=199999999/2, var_1_2=1, var_1_30=2463/100, var_1_31=247/5, var_1_32=1, var_1_3=0, var_1_4=5, var_1_7=1, var_1_8=1, var_1_9=0] [L20] COND FALSE !(!cond) [L150] RET assume_abort_if_not(var_1_27 >= 0) VAL [isInitial=1, last_1_var_1_10=128, last_1_var_1_16=1, last_1_var_1_19=19/5, var_1_10=128, var_1_11=2147483647, var_1_12=8, var_1_15=-50, var_1_16=1, var_1_17=2147483647, var_1_18=4294967294, var_1_19=19/5, var_1_1=1, var_1_21=0, var_1_22=-8, var_1_23=-32, var_1_24=16, var_1_25=5, var_1_26=-4, var_1_28=-16, var_1_29=199999999/2, var_1_2=1, var_1_30=2463/100, var_1_31=247/5, var_1_32=1, var_1_3=0, var_1_4=5, var_1_7=1, var_1_8=1, var_1_9=0] [L151] CALL assume_abort_if_not(var_1_27 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=128, last_1_var_1_16=1, last_1_var_1_19=19/5, var_1_10=128, var_1_11=2147483647, var_1_12=8, var_1_15=-50, var_1_16=1, var_1_17=2147483647, var_1_18=4294967294, var_1_19=19/5, var_1_1=1, var_1_21=0, var_1_22=-8, var_1_23=-32, var_1_24=16, var_1_25=5, var_1_26=-4, var_1_27=1, var_1_28=-16, var_1_29=199999999/2, var_1_2=1, var_1_30=2463/100, var_1_31=247/5, var_1_32=1, var_1_3=0, var_1_4=5, var_1_7=1, var_1_8=1, var_1_9=0] [L20] COND FALSE !(!cond) [L151] RET assume_abort_if_not(var_1_27 <= 1) VAL [isInitial=1, last_1_var_1_10=128, last_1_var_1_16=1, last_1_var_1_19=19/5, var_1_10=128, var_1_11=2147483647, var_1_12=8, var_1_15=-50, var_1_16=1, var_1_17=2147483647, var_1_18=4294967294, var_1_19=19/5, var_1_1=1, var_1_21=0, var_1_22=-8, var_1_23=-32, var_1_24=16, var_1_25=5, var_1_26=-4, var_1_27=1, var_1_28=-16, var_1_29=199999999/2, var_1_2=1, var_1_30=2463/100, var_1_31=247/5, var_1_32=1, var_1_3=0, var_1_4=5, var_1_7=1, var_1_8=1, var_1_9=0] [L152] var_1_29 = __VERIFIER_nondet_float() [L153] CALL assume_abort_if_not((var_1_29 >= -922337.2036854776000e+13F && var_1_29 <= -1.0e-20F) || (var_1_29 <= 9223372.036854776000e+12F && var_1_29 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=128, last_1_var_1_16=1, last_1_var_1_19=19/5, var_1_10=128, var_1_11=2147483647, var_1_12=8, var_1_15=-50, var_1_16=1, var_1_17=2147483647, var_1_18=4294967294, var_1_19=19/5, var_1_1=1, var_1_21=0, var_1_22=-8, var_1_23=-32, var_1_24=16, var_1_25=5, var_1_26=-4, var_1_27=1, var_1_28=-16, var_1_2=1, var_1_30=2463/100, var_1_31=247/5, var_1_32=1, var_1_3=0, var_1_4=5, var_1_7=1, var_1_8=1, var_1_9=0] [L20] COND FALSE !(!cond) [L153] RET assume_abort_if_not((var_1_29 >= -922337.2036854776000e+13F && var_1_29 <= -1.0e-20F) || (var_1_29 <= 9223372.036854776000e+12F && var_1_29 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_10=128, last_1_var_1_16=1, last_1_var_1_19=19/5, var_1_10=128, var_1_11=2147483647, var_1_12=8, var_1_15=-50, var_1_16=1, var_1_17=2147483647, var_1_18=4294967294, var_1_19=19/5, var_1_1=1, var_1_21=0, var_1_22=-8, var_1_23=-32, var_1_24=16, var_1_25=5, var_1_26=-4, var_1_27=1, var_1_28=-16, var_1_2=1, var_1_30=2463/100, var_1_31=247/5, var_1_32=1, var_1_3=0, var_1_4=5, var_1_7=1, var_1_8=1, var_1_9=0] [L154] var_1_30 = __VERIFIER_nondet_float() [L155] CALL assume_abort_if_not((var_1_30 >= -922337.2036854776000e+13F && var_1_30 <= -1.0e-20F) || (var_1_30 <= 9223372.036854776000e+12F && var_1_30 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=128, last_1_var_1_16=1, last_1_var_1_19=19/5, var_1_10=128, var_1_11=2147483647, var_1_12=8, var_1_15=-50, var_1_16=1, var_1_17=2147483647, var_1_18=4294967294, var_1_19=19/5, var_1_1=1, var_1_21=0, var_1_22=-8, var_1_23=-32, var_1_24=16, var_1_25=5, var_1_26=-4, var_1_27=1, var_1_28=-16, var_1_2=1, var_1_31=247/5, var_1_32=1, var_1_3=0, var_1_4=5, var_1_7=1, var_1_8=1, var_1_9=0] [L20] COND FALSE !(!cond) [L155] RET assume_abort_if_not((var_1_30 >= -922337.2036854776000e+13F && var_1_30 <= -1.0e-20F) || (var_1_30 <= 9223372.036854776000e+12F && var_1_30 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_10=128, last_1_var_1_16=1, last_1_var_1_19=19/5, var_1_10=128, var_1_11=2147483647, var_1_12=8, var_1_15=-50, var_1_16=1, var_1_17=2147483647, var_1_18=4294967294, var_1_19=19/5, var_1_1=1, var_1_21=0, var_1_22=-8, var_1_23=-32, var_1_24=16, var_1_25=5, var_1_26=-4, var_1_27=1, var_1_28=-16, var_1_2=1, var_1_31=247/5, var_1_32=1, var_1_3=0, var_1_4=5, var_1_7=1, var_1_8=1, var_1_9=0] [L156] var_1_31 = __VERIFIER_nondet_float() [L157] CALL assume_abort_if_not((var_1_31 >= -922337.2036854776000e+13F && var_1_31 <= -1.0e-20F) || (var_1_31 <= 9223372.036854776000e+12F && var_1_31 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=128, last_1_var_1_16=1, last_1_var_1_19=19/5, var_1_10=128, var_1_11=2147483647, var_1_12=8, var_1_15=-50, var_1_16=1, var_1_17=2147483647, var_1_18=4294967294, var_1_19=19/5, var_1_1=1, var_1_21=0, var_1_22=-8, var_1_23=-32, var_1_24=16, var_1_25=5, var_1_26=-4, var_1_27=1, var_1_28=-16, var_1_2=1, var_1_32=1, var_1_3=0, var_1_4=5, var_1_7=1, var_1_8=1, var_1_9=0] [L20] COND FALSE !(!cond) [L157] RET assume_abort_if_not((var_1_31 >= -922337.2036854776000e+13F && var_1_31 <= -1.0e-20F) || (var_1_31 <= 9223372.036854776000e+12F && var_1_31 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_10=128, last_1_var_1_16=1, last_1_var_1_19=19/5, var_1_10=128, var_1_11=2147483647, var_1_12=8, var_1_15=-50, var_1_16=1, var_1_17=2147483647, var_1_18=4294967294, var_1_19=19/5, var_1_1=1, var_1_21=0, var_1_22=-8, var_1_23=-32, var_1_24=16, var_1_25=5, var_1_26=-4, var_1_27=1, var_1_28=-16, var_1_2=1, var_1_32=1, var_1_3=0, var_1_4=5, var_1_7=1, var_1_8=1, var_1_9=0] [L158] var_1_32 = __VERIFIER_nondet_uchar() [L159] CALL assume_abort_if_not(var_1_32 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=128, last_1_var_1_16=1, last_1_var_1_19=19/5, var_1_10=128, var_1_11=2147483647, var_1_12=8, var_1_15=-50, var_1_16=1, var_1_17=2147483647, var_1_18=4294967294, var_1_19=19/5, var_1_1=1, var_1_21=0, var_1_22=-8, var_1_23=-32, var_1_24=16, var_1_25=5, var_1_26=-4, var_1_27=1, var_1_28=-16, var_1_2=1, var_1_3=0, var_1_4=5, var_1_7=1, var_1_8=1, var_1_9=0] [L20] COND FALSE !(!cond) [L159] RET assume_abort_if_not(var_1_32 >= 0) VAL [isInitial=1, last_1_var_1_10=128, last_1_var_1_16=1, last_1_var_1_19=19/5, var_1_10=128, var_1_11=2147483647, var_1_12=8, var_1_15=-50, var_1_16=1, var_1_17=2147483647, var_1_18=4294967294, var_1_19=19/5, var_1_1=1, var_1_21=0, var_1_22=-8, var_1_23=-32, var_1_24=16, var_1_25=5, var_1_26=-4, var_1_27=1, var_1_28=-16, var_1_2=1, var_1_3=0, var_1_4=5, var_1_7=1, var_1_8=1, var_1_9=0] [L160] CALL assume_abort_if_not(var_1_32 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=128, last_1_var_1_16=1, last_1_var_1_19=19/5, var_1_10=128, var_1_11=2147483647, var_1_12=8, var_1_15=-50, var_1_16=1, var_1_17=2147483647, var_1_18=4294967294, var_1_19=19/5, var_1_1=1, var_1_21=0, var_1_22=-8, var_1_23=-32, var_1_24=16, var_1_25=5, var_1_26=-4, var_1_27=1, var_1_28=-16, var_1_2=1, var_1_32=0, var_1_3=0, var_1_4=5, var_1_7=1, var_1_8=1, var_1_9=0] [L20] COND FALSE !(!cond) [L160] RET assume_abort_if_not(var_1_32 <= 1) VAL [isInitial=1, last_1_var_1_10=128, last_1_var_1_16=1, last_1_var_1_19=19/5, var_1_10=128, var_1_11=2147483647, var_1_12=8, var_1_15=-50, var_1_16=1, var_1_17=2147483647, var_1_18=4294967294, var_1_19=19/5, var_1_1=1, var_1_21=0, var_1_22=-8, var_1_23=-32, var_1_24=16, var_1_25=5, var_1_26=-4, var_1_27=1, var_1_28=-16, var_1_2=1, var_1_32=0, var_1_3=0, var_1_4=5, var_1_7=1, var_1_8=1, var_1_9=0] [L176] RET updateVariables() [L177] CALL step() [L56] var_1_22 = ((((-25) < 0 ) ? -(-25) : (-25))) [L57] var_1_23 = 8 [L58] var_1_24 = var_1_22 [L59] var_1_25 = 32 [L60] COND TRUE var_1_25 > 1 [L61] COND TRUE \read(var_1_27) [L62] COND FALSE !((var_1_23 * var_1_24) < var_1_25) [L67] COND FALSE !(! var_1_27) [L74] COND FALSE !(\read(var_1_32)) [L77] var_1_28 = var_1_22 [L80] unsigned long int stepLocal_1 = last_1_var_1_16; [L81] unsigned long int stepLocal_0 = last_1_var_1_16; [L82] COND TRUE stepLocal_1 != last_1_var_1_10 [L83] COND TRUE var_1_8 <= stepLocal_0 [L84] COND FALSE !((- last_1_var_1_19) >= last_1_var_1_19) [L91] COND TRUE var_1_12 == var_1_12 [L92] var_1_4 = ((8 + ((((var_1_7) > (var_1_8)) ? (var_1_7) : (var_1_8)))) - var_1_9) [L94] var_1_1 = (var_1_2 || (! var_1_3)) [L95] var_1_10 = (4027026809u - (((((var_1_11) < 0 ) ? -(var_1_11) : (var_1_11))) - var_1_7)) [L96] var_1_19 = ((((((((var_1_20) < 0 ) ? -(var_1_20) : (var_1_20)))) < (1.4)) ? (((((var_1_20) < 0 ) ? -(var_1_20) : (var_1_20)))) : (1.4))) [L97] COND TRUE \read(var_1_1) [L98] COND FALSE !(var_1_19 >= var_1_19) [L103] var_1_15 = var_1_7 [L108] COND FALSE !(var_1_19 != var_1_19) [L111] COND TRUE var_1_4 > var_1_12 [L112] var_1_16 = (var_1_17 - (var_1_11 - var_1_8)) [L117] unsigned char stepLocal_2 = var_1_1; [L118] COND TRUE (var_1_16 == (var_1_8 - var_1_9)) && stepLocal_2 [L119] var_1_21 = var_1_9 [L177] RET step() [L178] CALL, EXPR property() [L168-L169] return (((((((var_1_1 == ((unsigned char) (var_1_2 || (! var_1_3)))) && ((var_1_12 == var_1_12) ? (var_1_4 == ((signed char) ((8 + ((((var_1_7) > (var_1_8)) ? (var_1_7) : (var_1_8)))) - var_1_9))) : 1)) && (var_1_10 == ((unsigned long int) (4027026809u - (((((var_1_11) < 0 ) ? -(var_1_11) : (var_1_11))) - var_1_7))))) && ((last_1_var_1_16 != last_1_var_1_10) ? ((var_1_8 <= last_1_var_1_16) ? (((- last_1_var_1_19) >= last_1_var_1_19) ? (var_1_12 == ((signed short int) var_1_8)) : 1) : 1) : (var_1_12 == ((signed short int) var_1_9)))) && (var_1_1 ? ((var_1_19 >= var_1_19) ? ((! var_1_3) ? (var_1_15 == ((signed short int) var_1_8)) : 1) : (var_1_15 == ((signed short int) var_1_7))) : (var_1_15 == ((signed short int) 5)))) && ((var_1_19 != var_1_19) ? (var_1_16 == ((unsigned long int) (((((var_1_11) < (var_1_7)) ? (var_1_11) : (var_1_7))) + var_1_8))) : ((var_1_4 > var_1_12) ? (var_1_16 == ((unsigned long int) (var_1_17 - (var_1_11 - var_1_8)))) : (var_1_16 == ((unsigned long int) (((((var_1_17) > (var_1_18)) ? (var_1_17) : (var_1_18))) - var_1_9)))))) && (var_1_19 == ((double) ((((((((var_1_20) < 0 ) ? -(var_1_20) : (var_1_20)))) < (1.4)) ? (((((var_1_20) < 0 ) ? -(var_1_20) : (var_1_20)))) : (1.4)))))) && (((var_1_16 == (var_1_8 - var_1_9)) && var_1_1) ? (var_1_21 == ((unsigned short int) var_1_9)) : 1) ; [L178] RET, EXPR property() [L178] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_10=128, last_1_var_1_16=1, last_1_var_1_19=19/5, var_1_10=1879543163, var_1_11=2147483647, var_1_12=8, var_1_15=1, var_1_16=1, var_1_17=2147483647, var_1_18=4294967294, var_1_19=2, var_1_1=1, var_1_20=0, var_1_21=0, var_1_22=25, var_1_23=8, var_1_24=25, var_1_25=32, var_1_26=-4, var_1_27=1, var_1_28=25, var_1_2=1, var_1_32=0, var_1_3=0, var_1_4=9, var_1_7=1, var_1_8=1, var_1_9=0] [L19] reach_error() VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_10=128, last_1_var_1_16=1, last_1_var_1_19=19/5, var_1_10=1879543163, var_1_11=2147483647, var_1_12=8, var_1_15=1, var_1_16=1, var_1_17=2147483647, var_1_18=4294967294, var_1_19=2, var_1_1=1, var_1_20=0, var_1_21=0, var_1_22=25, var_1_23=8, var_1_24=25, var_1_25=32, var_1_26=-4, var_1_27=1, var_1_28=25, var_1_2=1, var_1_32=0, var_1_3=0, var_1_4=9, var_1_7=1, var_1_8=1, var_1_9=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 47 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 76.2s, OverallIterations: 1, TraceHistogramMax: 24, 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=47occurred 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, 75.5s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 90 NumberOfCodeBlocks, 90 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-12-02 15:51:19,648 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc4ee543-c903-47b8-b8db-48b845031a4c/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc4ee543-c903-47b8-b8db-48b845031a4c/bin/utaipan-verify-nQ1chXbOIh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc4ee543-c903-47b8-b8db-48b845031a4c/bin/utaipan-verify-nQ1chXbOIh/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc4ee543-c903-47b8-b8db-48b845031a4c/bin/utaipan-verify-nQ1chXbOIh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc4ee543-c903-47b8-b8db-48b845031a4c/bin/utaipan-verify-nQ1chXbOIh/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-25_file-11.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc4ee543-c903-47b8-b8db-48b845031a4c/bin/utaipan-verify-nQ1chXbOIh/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc4ee543-c903-47b8-b8db-48b845031a4c/bin/utaipan-verify-nQ1chXbOIh --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash f51ee4a7220dc2b51ff1b4163bfc3c5ced88b90b523c25a3c78fe5519978425e --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 15:51:21,539 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 15:51:21,614 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc4ee543-c903-47b8-b8db-48b845031a4c/bin/utaipan-verify-nQ1chXbOIh/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2023-12-02 15:51:21,620 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-02 15:51:21,621 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-02 15:51:21,649 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 15:51:21,650 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-02 15:51:21,651 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-02 15:51:21,651 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 15:51:21,652 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-02 15:51:21,652 INFO L153 SettingsManager]: * User list type=DISABLED [2023-12-02 15:51:21,653 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-12-02 15:51:21,654 INFO L153 SettingsManager]: * Explicit value domain=true [2023-12-02 15:51:21,654 INFO L153 SettingsManager]: * Octagon Domain=false [2023-12-02 15:51:21,655 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-12-02 15:51:21,655 INFO L153 SettingsManager]: * Interval Domain=false [2023-12-02 15:51:21,656 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 15:51:21,657 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 15:51:21,657 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-02 15:51:21,657 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-02 15:51:21,658 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 15:51:21,658 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 15:51:21,659 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 15:51:21,659 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 15:51:21,660 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-02 15:51:21,660 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-02 15:51:21,660 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-02 15:51:21,661 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-02 15:51:21,661 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 15:51:21,661 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 15:51:21,662 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 15:51:21,662 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-12-02 15:51:21,663 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-02 15:51:21,663 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-02 15:51:21,663 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 15:51:21,663 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 15:51:21,664 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 15:51:21,664 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 15:51:21,664 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-12-02 15:51:21,664 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-02 15:51:21,664 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-02 15:51:21,665 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 15:51:21,665 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-12-02 15:51:21,665 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-02 15:51:21,665 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_bc4ee543-c903-47b8-b8db-48b845031a4c/bin/utaipan-verify-nQ1chXbOIh/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc4ee543-c903-47b8-b8db-48b845031a4c/bin/utaipan-verify-nQ1chXbOIh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f51ee4a7220dc2b51ff1b4163bfc3c5ced88b90b523c25a3c78fe5519978425e [2023-12-02 15:51:21,980 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 15:51:22,000 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 15:51:22,002 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 15:51:22,003 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 15:51:22,003 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 15:51:22,004 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc4ee543-c903-47b8-b8db-48b845031a4c/bin/utaipan-verify-nQ1chXbOIh/../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-25_file-11.i [2023-12-02 15:51:24,803 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 15:51:25,016 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 15:51:25,016 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc4ee543-c903-47b8-b8db-48b845031a4c/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-25_file-11.i [2023-12-02 15:51:25,027 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc4ee543-c903-47b8-b8db-48b845031a4c/bin/utaipan-verify-nQ1chXbOIh/data/bd9b70e48/f4d2e6565bb9476f925c39359bcc46a6/FLAG463073c3f [2023-12-02 15:51:25,039 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc4ee543-c903-47b8-b8db-48b845031a4c/bin/utaipan-verify-nQ1chXbOIh/data/bd9b70e48/f4d2e6565bb9476f925c39359bcc46a6 [2023-12-02 15:51:25,041 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 15:51:25,043 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 15:51:25,044 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 15:51:25,045 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 15:51:25,049 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 15:51:25,049 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 03:51:25" (1/1) ... [2023-12-02 15:51:25,051 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@58f5c8cf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:51:25, skipping insertion in model container [2023-12-02 15:51:25,051 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 03:51:25" (1/1) ... [2023-12-02 15:51:25,082 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 15:51:25,235 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_bc4ee543-c903-47b8-b8db-48b845031a4c/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-25_file-11.i[915,928] [2023-12-02 15:51:25,292 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 15:51:25,309 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 15:51:25,322 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_bc4ee543-c903-47b8-b8db-48b845031a4c/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-25_file-11.i[915,928] [2023-12-02 15:51:25,354 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 15:51:25,373 INFO L206 MainTranslator]: Completed translation [2023-12-02 15:51:25,374 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:51:25 WrapperNode [2023-12-02 15:51:25,374 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 15:51:25,376 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 15:51:25,376 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 15:51:25,376 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 15:51:25,383 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:51:25" (1/1) ... [2023-12-02 15:51:25,397 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:51:25" (1/1) ... [2023-12-02 15:51:25,427 INFO L138 Inliner]: procedures = 27, calls = 37, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 175 [2023-12-02 15:51:25,427 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 15:51:25,428 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 15:51:25,428 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 15:51:25,428 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 15:51:25,438 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:51:25" (1/1) ... [2023-12-02 15:51:25,438 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:51:25" (1/1) ... [2023-12-02 15:51:25,443 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:51:25" (1/1) ... [2023-12-02 15:51:25,443 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:51:25" (1/1) ... [2023-12-02 15:51:25,455 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:51:25" (1/1) ... [2023-12-02 15:51:25,459 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:51:25" (1/1) ... [2023-12-02 15:51:25,463 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:51:25" (1/1) ... [2023-12-02 15:51:25,466 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:51:25" (1/1) ... [2023-12-02 15:51:25,471 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 15:51:25,472 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 15:51:25,472 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 15:51:25,473 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 15:51:25,474 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:51:25" (1/1) ... [2023-12-02 15:51:25,479 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 15:51:25,491 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc4ee543-c903-47b8-b8db-48b845031a4c/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 15:51:25,507 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc4ee543-c903-47b8-b8db-48b845031a4c/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-12-02 15:51:25,510 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc4ee543-c903-47b8-b8db-48b845031a4c/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-12-02 15:51:25,540 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 15:51:25,540 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-12-02 15:51:25,540 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-12-02 15:51:25,541 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-12-02 15:51:25,541 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 15:51:25,541 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 15:51:25,633 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 15:51:25,636 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 15:51:26,344 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 15:51:26,387 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 15:51:26,387 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-02 15:51:26,387 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 03:51:26 BoogieIcfgContainer [2023-12-02 15:51:26,388 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 15:51:26,390 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-02 15:51:26,390 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-02 15:51:26,393 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-02 15:51:26,393 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 03:51:25" (1/3) ... [2023-12-02 15:51:26,394 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2da1e40 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 03:51:26, skipping insertion in model container [2023-12-02 15:51:26,394 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:51:25" (2/3) ... [2023-12-02 15:51:26,394 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2da1e40 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 03:51:26, skipping insertion in model container [2023-12-02 15:51:26,394 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 03:51:26" (3/3) ... [2023-12-02 15:51:26,396 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodesize_ps-cn-25_file-11.i [2023-12-02 15:51:26,409 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-02 15:51:26,409 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-12-02 15:51:26,452 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-02 15:51:26,458 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;@2aa42a42, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-02 15:51:26,458 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-12-02 15:51:26,462 INFO L276 IsEmpty]: Start isEmpty. Operand has 71 states, 44 states have (on average 1.5) internal successors, (66), 45 states have internal predecessors, (66), 24 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) [2023-12-02 15:51:26,476 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2023-12-02 15:51:26,476 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 15:51:26,477 INFO L195 NwaCegarLoop]: trace histogram [24, 24, 24, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 15:51:26,477 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 15:51:26,482 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 15:51:26,482 INFO L85 PathProgramCache]: Analyzing trace with hash 1907298635, now seen corresponding path program 1 times [2023-12-02 15:51:26,494 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-12-02 15:51:26,494 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [723667907] [2023-12-02 15:51:26,494 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 15:51:26,495 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-02 15:51:26,495 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc4ee543-c903-47b8-b8db-48b845031a4c/bin/utaipan-verify-nQ1chXbOIh/mathsat [2023-12-02 15:51:26,496 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc4ee543-c903-47b8-b8db-48b845031a4c/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-02 15:51:26,501 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc4ee543-c903-47b8-b8db-48b845031a4c/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2023-12-02 15:51:26,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 15:51:26,779 INFO L262 TraceCheckSpWp]: Trace formula consists of 259 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-02 15:51:26,790 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 15:51:26,837 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 574 proven. 0 refuted. 0 times theorem prover too weak. 530 trivial. 0 not checked. [2023-12-02 15:51:26,838 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-02 15:51:26,838 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-12-02 15:51:26,839 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [723667907] [2023-12-02 15:51:26,839 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [723667907] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 15:51:26,839 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 15:51:26,840 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-02 15:51:26,841 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1188564738] [2023-12-02 15:51:26,842 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 15:51:26,847 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-12-02 15:51:26,847 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-12-02 15:51:26,876 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-12-02 15:51:26,877 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-12-02 15:51:26,880 INFO L87 Difference]: Start difference. First operand has 71 states, 44 states have (on average 1.5) internal successors, (66), 45 states have internal predecessors, (66), 24 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) Second operand has 2 states, 2 states have (on average 18.5) internal successors, (37), 2 states have internal predecessors, (37), 2 states have call successors, (24), 2 states have call predecessors, (24), 2 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2023-12-02 15:51:26,944 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 15:51:26,944 INFO L93 Difference]: Finished difference Result 139 states and 250 transitions. [2023-12-02 15:51:26,948 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-02 15:51:26,949 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 18.5) internal successors, (37), 2 states have internal predecessors, (37), 2 states have call successors, (24), 2 states have call predecessors, (24), 2 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) Word has length 150 [2023-12-02 15:51:26,949 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 15:51:26,957 INFO L225 Difference]: With dead ends: 139 [2023-12-02 15:51:26,958 INFO L226 Difference]: Without dead ends: 69 [2023-12-02 15:51:26,961 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 149 GetRequests, 149 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-12-02 15:51:26,965 INFO L413 NwaCegarLoop]: 105 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 105 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-02 15:51:26,966 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 105 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-02 15:51:26,982 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 69 states. [2023-12-02 15:51:27,023 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 69 to 69. [2023-12-02 15:51:27,025 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 69 states, 43 states have (on average 1.3953488372093024) internal successors, (60), 43 states have internal predecessors, (60), 24 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) [2023-12-02 15:51:27,028 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 69 states and 108 transitions. [2023-12-02 15:51:27,029 INFO L78 Accepts]: Start accepts. Automaton has 69 states and 108 transitions. Word has length 150 [2023-12-02 15:51:27,029 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 15:51:27,029 INFO L495 AbstractCegarLoop]: Abstraction has 69 states and 108 transitions. [2023-12-02 15:51:27,030 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 18.5) internal successors, (37), 2 states have internal predecessors, (37), 2 states have call successors, (24), 2 states have call predecessors, (24), 2 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2023-12-02 15:51:27,030 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 108 transitions. [2023-12-02 15:51:27,034 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2023-12-02 15:51:27,034 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 15:51:27,034 INFO L195 NwaCegarLoop]: trace histogram [24, 24, 24, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 15:51:27,045 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc4ee543-c903-47b8-b8db-48b845031a4c/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2023-12-02 15:51:27,237 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc4ee543-c903-47b8-b8db-48b845031a4c/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-02 15:51:27,237 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 15:51:27,238 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 15:51:27,238 INFO L85 PathProgramCache]: Analyzing trace with hash 881096207, now seen corresponding path program 1 times [2023-12-02 15:51:27,238 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-12-02 15:51:27,239 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [371568339] [2023-12-02 15:51:27,239 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 15:51:27,239 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-02 15:51:27,239 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc4ee543-c903-47b8-b8db-48b845031a4c/bin/utaipan-verify-nQ1chXbOIh/mathsat [2023-12-02 15:51:27,240 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc4ee543-c903-47b8-b8db-48b845031a4c/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-02 15:51:27,241 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc4ee543-c903-47b8-b8db-48b845031a4c/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2023-12-02 15:51:27,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 15:51:27,483 INFO L262 TraceCheckSpWp]: Trace formula consists of 259 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-02 15:51:27,490 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 15:51:27,546 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1104 trivial. 0 not checked. [2023-12-02 15:51:27,546 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-02 15:51:27,547 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-12-02 15:51:27,547 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [371568339] [2023-12-02 15:51:27,547 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [371568339] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 15:51:27,547 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 15:51:27,547 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-02 15:51:27,548 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [211418893] [2023-12-02 15:51:27,548 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 15:51:27,549 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-02 15:51:27,550 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-12-02 15:51:27,551 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-02 15:51:27,551 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-02 15:51:27,551 INFO L87 Difference]: Start difference. First operand 69 states and 108 transitions. Second operand has 3 states, 3 states have (on average 11.0) internal successors, (33), 3 states have internal predecessors, (33), 1 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 1 states have call predecessors, (24), 1 states have call successors, (24) [2023-12-02 15:51:27,674 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 15:51:27,675 INFO L93 Difference]: Finished difference Result 180 states and 281 transitions. [2023-12-02 15:51:27,675 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 15:51:27,676 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 11.0) internal successors, (33), 3 states have internal predecessors, (33), 1 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 1 states have call predecessors, (24), 1 states have call successors, (24) Word has length 150 [2023-12-02 15:51:27,677 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 15:51:27,680 INFO L225 Difference]: With dead ends: 180 [2023-12-02 15:51:27,680 INFO L226 Difference]: Without dead ends: 112 [2023-12-02 15:51:27,681 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 149 GetRequests, 148 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-02 15:51:27,683 INFO L413 NwaCegarLoop]: 164 mSDtfsCounter, 105 mSDsluCounter, 64 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 105 SdHoareTripleChecker+Valid, 228 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-02 15:51:27,683 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [105 Valid, 228 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-02 15:51:27,684 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 112 states. [2023-12-02 15:51:27,698 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 112 to 69. [2023-12-02 15:51:27,698 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 69 states, 43 states have (on average 1.372093023255814) internal successors, (59), 43 states have internal predecessors, (59), 24 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) [2023-12-02 15:51:27,700 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 69 states and 107 transitions. [2023-12-02 15:51:27,700 INFO L78 Accepts]: Start accepts. Automaton has 69 states and 107 transitions. Word has length 150 [2023-12-02 15:51:27,702 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 15:51:27,702 INFO L495 AbstractCegarLoop]: Abstraction has 69 states and 107 transitions. [2023-12-02 15:51:27,703 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.0) internal successors, (33), 3 states have internal predecessors, (33), 1 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 1 states have call predecessors, (24), 1 states have call successors, (24) [2023-12-02 15:51:27,703 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 107 transitions. [2023-12-02 15:51:27,706 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2023-12-02 15:51:27,706 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 15:51:27,706 INFO L195 NwaCegarLoop]: trace histogram [24, 24, 24, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 15:51:27,713 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc4ee543-c903-47b8-b8db-48b845031a4c/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Ended with exit code 0 [2023-12-02 15:51:27,909 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc4ee543-c903-47b8-b8db-48b845031a4c/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-02 15:51:27,909 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 15:51:27,909 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 15:51:27,910 INFO L85 PathProgramCache]: Analyzing trace with hash 837363589, now seen corresponding path program 1 times [2023-12-02 15:51:27,910 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-12-02 15:51:27,910 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [888061451] [2023-12-02 15:51:27,911 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 15:51:27,911 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-02 15:51:27,911 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc4ee543-c903-47b8-b8db-48b845031a4c/bin/utaipan-verify-nQ1chXbOIh/mathsat [2023-12-02 15:51:27,912 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc4ee543-c903-47b8-b8db-48b845031a4c/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-02 15:51:27,913 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc4ee543-c903-47b8-b8db-48b845031a4c/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2023-12-02 15:51:28,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 15:51:28,123 INFO L262 TraceCheckSpWp]: Trace formula consists of 260 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-02 15:51:28,127 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 15:51:28,150 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1104 trivial. 0 not checked. [2023-12-02 15:51:28,150 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-02 15:51:28,150 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-12-02 15:51:28,159 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [888061451] [2023-12-02 15:51:28,159 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [888061451] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 15:51:28,160 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 15:51:28,160 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-02 15:51:28,160 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [284061641] [2023-12-02 15:51:28,160 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 15:51:28,161 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-02 15:51:28,161 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-12-02 15:51:28,162 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-02 15:51:28,163 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-02 15:51:28,163 INFO L87 Difference]: Start difference. First operand 69 states and 107 transitions. Second operand has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 3 states have internal predecessors, (34), 1 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 1 states have call predecessors, (24), 1 states have call successors, (24) [2023-12-02 15:51:28,235 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 15:51:28,235 INFO L93 Difference]: Finished difference Result 187 states and 289 transitions. [2023-12-02 15:51:28,236 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 15:51:28,236 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 3 states have internal predecessors, (34), 1 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 1 states have call predecessors, (24), 1 states have call successors, (24) Word has length 151 [2023-12-02 15:51:28,238 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 15:51:28,239 INFO L225 Difference]: With dead ends: 187 [2023-12-02 15:51:28,240 INFO L226 Difference]: Without dead ends: 119 [2023-12-02 15:51:28,241 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 150 GetRequests, 149 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-02 15:51:28,242 INFO L413 NwaCegarLoop]: 101 mSDtfsCounter, 77 mSDsluCounter, 93 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 77 SdHoareTripleChecker+Valid, 194 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-02 15:51:28,243 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [77 Valid, 194 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-02 15:51:28,244 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 119 states. [2023-12-02 15:51:28,261 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 119 to 116. [2023-12-02 15:51:28,262 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 116 states, 72 states have (on average 1.3472222222222223) internal successors, (97), 73 states have internal predecessors, (97), 41 states have call successors, (41), 2 states have call predecessors, (41), 2 states have return successors, (41), 40 states have call predecessors, (41), 41 states have call successors, (41) [2023-12-02 15:51:28,264 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 116 states and 179 transitions. [2023-12-02 15:51:28,264 INFO L78 Accepts]: Start accepts. Automaton has 116 states and 179 transitions. Word has length 151 [2023-12-02 15:51:28,265 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 15:51:28,265 INFO L495 AbstractCegarLoop]: Abstraction has 116 states and 179 transitions. [2023-12-02 15:51:28,266 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 3 states have internal predecessors, (34), 1 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 1 states have call predecessors, (24), 1 states have call successors, (24) [2023-12-02 15:51:28,266 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 179 transitions. [2023-12-02 15:51:28,269 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2023-12-02 15:51:28,269 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 15:51:28,269 INFO L195 NwaCegarLoop]: trace histogram [24, 24, 24, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 15:51:28,275 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc4ee543-c903-47b8-b8db-48b845031a4c/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Ended with exit code 0 [2023-12-02 15:51:28,469 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc4ee543-c903-47b8-b8db-48b845031a4c/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-02 15:51:28,470 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 15:51:28,470 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 15:51:28,470 INFO L85 PathProgramCache]: Analyzing trace with hash -124457923, now seen corresponding path program 1 times [2023-12-02 15:51:28,471 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-12-02 15:51:28,471 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1351499255] [2023-12-02 15:51:28,471 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 15:51:28,471 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-02 15:51:28,471 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc4ee543-c903-47b8-b8db-48b845031a4c/bin/utaipan-verify-nQ1chXbOIh/mathsat [2023-12-02 15:51:28,472 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc4ee543-c903-47b8-b8db-48b845031a4c/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-02 15:51:28,473 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc4ee543-c903-47b8-b8db-48b845031a4c/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2023-12-02 15:51:28,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 15:51:28,765 INFO L262 TraceCheckSpWp]: Trace formula consists of 259 conjuncts, 6 conjunts are in the unsatisfiable core [2023-12-02 15:51:28,771 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 15:51:29,720 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1104 trivial. 0 not checked. [2023-12-02 15:51:29,721 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-02 15:51:29,721 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-12-02 15:51:29,721 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1351499255] [2023-12-02 15:51:29,721 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1351499255] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 15:51:29,721 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 15:51:29,722 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-12-02 15:51:29,722 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1669888898] [2023-12-02 15:51:29,722 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 15:51:29,723 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-02 15:51:29,723 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-12-02 15:51:29,724 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-02 15:51:29,724 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-12-02 15:51:29,725 INFO L87 Difference]: Start difference. First operand 116 states and 179 transitions. Second operand has 5 states, 5 states have (on average 6.8) internal successors, (34), 4 states have internal predecessors, (34), 1 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 1 states have call predecessors, (24), 1 states have call successors, (24) [2023-12-02 15:51:30,132 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 15:51:30,133 INFO L93 Difference]: Finished difference Result 322 states and 494 transitions. [2023-12-02 15:51:30,143 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-12-02 15:51:30,143 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.8) internal successors, (34), 4 states have internal predecessors, (34), 1 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 1 states have call predecessors, (24), 1 states have call successors, (24) Word has length 151 [2023-12-02 15:51:30,144 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 15:51:30,148 INFO L225 Difference]: With dead ends: 322 [2023-12-02 15:51:30,148 INFO L226 Difference]: Without dead ends: 207 [2023-12-02 15:51:30,149 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 153 GetRequests, 147 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2023-12-02 15:51:30,150 INFO L413 NwaCegarLoop]: 101 mSDtfsCounter, 91 mSDsluCounter, 248 mSDsCounter, 0 mSdLazyCounter, 73 mSolverCounterSat, 49 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 91 SdHoareTripleChecker+Valid, 349 SdHoareTripleChecker+Invalid, 122 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 49 IncrementalHoareTripleChecker+Valid, 73 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-12-02 15:51:30,151 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [91 Valid, 349 Invalid, 122 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [49 Valid, 73 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-12-02 15:51:30,152 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 207 states. [2023-12-02 15:51:30,185 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 207 to 175. [2023-12-02 15:51:30,186 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 175 states, 105 states have (on average 1.2857142857142858) internal successors, (135), 106 states have internal predecessors, (135), 65 states have call successors, (65), 4 states have call predecessors, (65), 4 states have return successors, (65), 64 states have call predecessors, (65), 65 states have call successors, (65) [2023-12-02 15:51:30,188 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 175 states to 175 states and 265 transitions. [2023-12-02 15:51:30,189 INFO L78 Accepts]: Start accepts. Automaton has 175 states and 265 transitions. Word has length 151 [2023-12-02 15:51:30,190 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 15:51:30,190 INFO L495 AbstractCegarLoop]: Abstraction has 175 states and 265 transitions. [2023-12-02 15:51:30,190 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.8) internal successors, (34), 4 states have internal predecessors, (34), 1 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 1 states have call predecessors, (24), 1 states have call successors, (24) [2023-12-02 15:51:30,190 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 265 transitions. [2023-12-02 15:51:30,192 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2023-12-02 15:51:30,193 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 15:51:30,193 INFO L195 NwaCegarLoop]: trace histogram [24, 24, 24, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 15:51:30,201 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc4ee543-c903-47b8-b8db-48b845031a4c/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Ended with exit code 0 [2023-12-02 15:51:30,393 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc4ee543-c903-47b8-b8db-48b845031a4c/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-02 15:51:30,394 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 15:51:30,394 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 15:51:30,394 INFO L85 PathProgramCache]: Analyzing trace with hash 758791829, now seen corresponding path program 1 times [2023-12-02 15:51:30,395 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-12-02 15:51:30,395 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1382857394] [2023-12-02 15:51:30,395 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 15:51:30,395 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-02 15:51:30,395 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc4ee543-c903-47b8-b8db-48b845031a4c/bin/utaipan-verify-nQ1chXbOIh/mathsat [2023-12-02 15:51:30,396 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc4ee543-c903-47b8-b8db-48b845031a4c/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-02 15:51:30,397 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc4ee543-c903-47b8-b8db-48b845031a4c/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2023-12-02 15:51:30,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 15:51:30,642 INFO L262 TraceCheckSpWp]: Trace formula consists of 259 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-02 15:51:30,647 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 15:51:30,942 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 269 proven. 60 refuted. 0 times theorem prover too weak. 775 trivial. 0 not checked. [2023-12-02 15:51:30,943 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 15:51:31,183 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 9 proven. 60 refuted. 0 times theorem prover too weak. 1035 trivial. 0 not checked. [2023-12-02 15:51:31,184 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-12-02 15:51:31,184 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1382857394] [2023-12-02 15:51:31,184 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1382857394] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-02 15:51:31,184 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1555182319] [2023-12-02 15:51:31,185 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 15:51:31,185 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 15:51:31,185 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc4ee543-c903-47b8-b8db-48b845031a4c/bin/utaipan-verify-nQ1chXbOIh/cvc4 [2023-12-02 15:51:31,189 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc4ee543-c903-47b8-b8db-48b845031a4c/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 15:51:31,193 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc4ee543-c903-47b8-b8db-48b845031a4c/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2023-12-02 15:51:31,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 15:51:31,598 INFO L262 TraceCheckSpWp]: Trace formula consists of 259 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 15:51:31,601 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 15:51:31,639 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1104 trivial. 0 not checked. [2023-12-02 15:51:31,639 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-02 15:51:31,639 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1555182319] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 15:51:31,639 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2023-12-02 15:51:31,640 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [6, 6] total 11 [2023-12-02 15:51:31,640 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2072732207] [2023-12-02 15:51:31,640 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 15:51:31,641 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-02 15:51:31,641 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-12-02 15:51:31,642 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-02 15:51:31,642 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=84, Unknown=0, NotChecked=0, Total=110 [2023-12-02 15:51:31,642 INFO L87 Difference]: Start difference. First operand 175 states and 265 transitions. Second operand has 4 states, 4 states have (on average 8.75) internal successors, (35), 4 states have internal predecessors, (35), 1 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 1 states have call predecessors, (24), 1 states have call successors, (24) [2023-12-02 15:51:31,769 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 15:51:31,769 INFO L93 Difference]: Finished difference Result 399 states and 609 transitions. [2023-12-02 15:51:31,770 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 15:51:31,770 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 8.75) internal successors, (35), 4 states have internal predecessors, (35), 1 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 1 states have call predecessors, (24), 1 states have call successors, (24) Word has length 152 [2023-12-02 15:51:31,771 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 15:51:31,775 INFO L225 Difference]: With dead ends: 399 [2023-12-02 15:51:31,775 INFO L226 Difference]: Without dead ends: 284 [2023-12-02 15:51:31,776 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 454 GetRequests, 443 SyntacticMatches, 1 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=30, Invalid=102, Unknown=0, NotChecked=0, Total=132 [2023-12-02 15:51:31,777 INFO L413 NwaCegarLoop]: 186 mSDtfsCounter, 97 mSDsluCounter, 282 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 97 SdHoareTripleChecker+Valid, 468 SdHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-02 15:51:31,778 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [97 Valid, 468 Invalid, 22 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-02 15:51:31,779 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 284 states. [2023-12-02 15:51:31,812 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 284 to 183. [2023-12-02 15:51:31,813 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 183 states, 113 states have (on average 1.3008849557522124) internal successors, (147), 114 states have internal predecessors, (147), 65 states have call successors, (65), 4 states have call predecessors, (65), 4 states have return successors, (65), 64 states have call predecessors, (65), 65 states have call successors, (65) [2023-12-02 15:51:31,815 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 183 states to 183 states and 277 transitions. [2023-12-02 15:51:31,815 INFO L78 Accepts]: Start accepts. Automaton has 183 states and 277 transitions. Word has length 152 [2023-12-02 15:51:31,816 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 15:51:31,816 INFO L495 AbstractCegarLoop]: Abstraction has 183 states and 277 transitions. [2023-12-02 15:51:31,816 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 8.75) internal successors, (35), 4 states have internal predecessors, (35), 1 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 1 states have call predecessors, (24), 1 states have call successors, (24) [2023-12-02 15:51:31,816 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 277 transitions. [2023-12-02 15:51:31,819 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2023-12-02 15:51:31,819 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 15:51:31,819 INFO L195 NwaCegarLoop]: trace histogram [24, 24, 24, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 15:51:31,823 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc4ee543-c903-47b8-b8db-48b845031a4c/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt (7)] Forceful destruction successful, exit code 0 [2023-12-02 15:51:32,026 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc4ee543-c903-47b8-b8db-48b845031a4c/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Ended with exit code 0 [2023-12-02 15:51:32,221 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc4ee543-c903-47b8-b8db-48b845031a4c/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc4ee543-c903-47b8-b8db-48b845031a4c/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-02 15:51:32,221 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 15:51:32,221 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 15:51:32,222 INFO L85 PathProgramCache]: Analyzing trace with hash 758851411, now seen corresponding path program 1 times [2023-12-02 15:51:32,222 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-12-02 15:51:32,223 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2000340303] [2023-12-02 15:51:32,223 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 15:51:32,223 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-02 15:51:32,223 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc4ee543-c903-47b8-b8db-48b845031a4c/bin/utaipan-verify-nQ1chXbOIh/mathsat [2023-12-02 15:51:32,224 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc4ee543-c903-47b8-b8db-48b845031a4c/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-02 15:51:32,225 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc4ee543-c903-47b8-b8db-48b845031a4c/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2023-12-02 15:51:32,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 15:51:32,491 INFO L262 TraceCheckSpWp]: Trace formula consists of 257 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-02 15:51:32,495 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 15:51:32,798 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 269 proven. 60 refuted. 0 times theorem prover too weak. 775 trivial. 0 not checked. [2023-12-02 15:51:32,799 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 15:51:33,011 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 9 proven. 60 refuted. 0 times theorem prover too weak. 1035 trivial. 0 not checked. [2023-12-02 15:51:33,012 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-12-02 15:51:33,012 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2000340303] [2023-12-02 15:51:33,012 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2000340303] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-02 15:51:33,012 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [865417935] [2023-12-02 15:51:33,012 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 15:51:33,013 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 15:51:33,013 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc4ee543-c903-47b8-b8db-48b845031a4c/bin/utaipan-verify-nQ1chXbOIh/cvc4 [2023-12-02 15:51:33,015 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc4ee543-c903-47b8-b8db-48b845031a4c/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 15:51:33,017 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc4ee543-c903-47b8-b8db-48b845031a4c/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt (9)] Waiting until timeout for monitored process [2023-12-02 15:51:33,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 15:51:33,848 INFO L262 TraceCheckSpWp]: Trace formula consists of 257 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 15:51:33,851 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 15:51:34,260 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1104 trivial. 0 not checked. [2023-12-02 15:51:34,261 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-02 15:51:34,261 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [865417935] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 15:51:34,261 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2023-12-02 15:51:34,261 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6, 6] total 11 [2023-12-02 15:51:34,262 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1664194579] [2023-12-02 15:51:34,262 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 15:51:34,262 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-02 15:51:34,262 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-12-02 15:51:34,263 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-02 15:51:34,263 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=84, Unknown=0, NotChecked=0, Total=110 [2023-12-02 15:51:34,263 INFO L87 Difference]: Start difference. First operand 183 states and 277 transitions. Second operand has 4 states, 4 states have (on average 8.75) internal successors, (35), 3 states have internal predecessors, (35), 1 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 1 states have call predecessors, (24), 1 states have call successors, (24) [2023-12-02 15:51:35,663 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 15:51:35,663 INFO L93 Difference]: Finished difference Result 314 states and 479 transitions. [2023-12-02 15:51:35,664 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 15:51:35,665 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 8.75) internal successors, (35), 3 states have internal predecessors, (35), 1 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 1 states have call predecessors, (24), 1 states have call successors, (24) Word has length 152 [2023-12-02 15:51:35,665 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 15:51:35,666 INFO L225 Difference]: With dead ends: 314 [2023-12-02 15:51:35,666 INFO L226 Difference]: Without dead ends: 191 [2023-12-02 15:51:35,667 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 454 GetRequests, 443 SyntacticMatches, 1 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=30, Invalid=102, Unknown=0, NotChecked=0, Total=132 [2023-12-02 15:51:35,668 INFO L413 NwaCegarLoop]: 170 mSDtfsCounter, 82 mSDsluCounter, 74 mSDsCounter, 0 mSdLazyCounter, 32 mSolverCounterSat, 49 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 82 SdHoareTripleChecker+Valid, 244 SdHoareTripleChecker+Invalid, 81 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 49 IncrementalHoareTripleChecker+Valid, 32 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2023-12-02 15:51:35,668 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [82 Valid, 244 Invalid, 81 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [49 Valid, 32 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2023-12-02 15:51:35,669 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 191 states. [2023-12-02 15:51:35,692 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 191 to 183. [2023-12-02 15:51:35,692 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 183 states, 113 states have (on average 1.247787610619469) internal successors, (141), 114 states have internal predecessors, (141), 65 states have call successors, (65), 4 states have call predecessors, (65), 4 states have return successors, (65), 64 states have call predecessors, (65), 65 states have call successors, (65) [2023-12-02 15:51:35,694 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 183 states to 183 states and 271 transitions. [2023-12-02 15:51:35,694 INFO L78 Accepts]: Start accepts. Automaton has 183 states and 271 transitions. Word has length 152 [2023-12-02 15:51:35,694 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 15:51:35,695 INFO L495 AbstractCegarLoop]: Abstraction has 183 states and 271 transitions. [2023-12-02 15:51:35,695 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 8.75) internal successors, (35), 3 states have internal predecessors, (35), 1 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 1 states have call predecessors, (24), 1 states have call successors, (24) [2023-12-02 15:51:35,695 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 271 transitions. [2023-12-02 15:51:35,697 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2023-12-02 15:51:35,697 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 15:51:35,697 INFO L195 NwaCegarLoop]: trace histogram [24, 24, 24, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 15:51:35,703 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc4ee543-c903-47b8-b8db-48b845031a4c/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt (9)] Ended with exit code 0 [2023-12-02 15:51:35,903 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc4ee543-c903-47b8-b8db-48b845031a4c/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (8)] Ended with exit code 0 [2023-12-02 15:51:36,097 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc4ee543-c903-47b8-b8db-48b845031a4c/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt,8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc4ee543-c903-47b8-b8db-48b845031a4c/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-02 15:51:36,098 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 15:51:36,098 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 15:51:36,099 INFO L85 PathProgramCache]: Analyzing trace with hash -591965226, now seen corresponding path program 1 times [2023-12-02 15:51:36,099 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-12-02 15:51:36,099 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [469079099] [2023-12-02 15:51:36,099 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 15:51:36,099 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-02 15:51:36,100 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc4ee543-c903-47b8-b8db-48b845031a4c/bin/utaipan-verify-nQ1chXbOIh/mathsat [2023-12-02 15:51:36,100 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc4ee543-c903-47b8-b8db-48b845031a4c/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-02 15:51:36,101 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc4ee543-c903-47b8-b8db-48b845031a4c/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (10)] Waiting until timeout for monitored process [2023-12-02 15:51:36,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 15:51:36,336 INFO L262 TraceCheckSpWp]: Trace formula consists of 258 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-02 15:51:36,339 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 15:51:36,594 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 269 proven. 60 refuted. 0 times theorem prover too weak. 775 trivial. 0 not checked. [2023-12-02 15:51:36,594 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 15:51:36,824 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 9 proven. 60 refuted. 0 times theorem prover too weak. 1035 trivial. 0 not checked. [2023-12-02 15:51:36,824 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-12-02 15:51:36,824 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [469079099] [2023-12-02 15:51:36,824 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [469079099] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-02 15:51:36,825 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [2050723895] [2023-12-02 15:51:36,825 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 15:51:36,825 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 15:51:36,825 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc4ee543-c903-47b8-b8db-48b845031a4c/bin/utaipan-verify-nQ1chXbOIh/cvc4 [2023-12-02 15:51:36,826 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc4ee543-c903-47b8-b8db-48b845031a4c/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 15:51:36,828 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc4ee543-c903-47b8-b8db-48b845031a4c/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt (11)] Waiting until timeout for monitored process [2023-12-02 15:51:37,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 15:51:37,721 INFO L262 TraceCheckSpWp]: Trace formula consists of 258 conjuncts, 6 conjunts are in the unsatisfiable core [2023-12-02 15:51:37,724 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 15:51:37,985 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 269 proven. 60 refuted. 0 times theorem prover too weak. 775 trivial. 0 not checked. [2023-12-02 15:51:37,985 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 15:51:38,167 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 9 proven. 60 refuted. 0 times theorem prover too weak. 1035 trivial. 0 not checked. [2023-12-02 15:51:38,167 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [2050723895] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-02 15:51:38,167 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [419644985] [2023-12-02 15:51:38,168 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 15:51:38,168 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 15:51:38,168 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc4ee543-c903-47b8-b8db-48b845031a4c/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 15:51:38,176 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc4ee543-c903-47b8-b8db-48b845031a4c/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-02 15:51:38,181 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc4ee543-c903-47b8-b8db-48b845031a4c/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2023-12-02 15:51:38,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 15:51:38,350 INFO L262 TraceCheckSpWp]: Trace formula consists of 258 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-02 15:51:38,353 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 15:51:38,540 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 269 proven. 60 refuted. 0 times theorem prover too weak. 775 trivial. 0 not checked. [2023-12-02 15:51:38,541 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 15:51:38,692 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 9 proven. 60 refuted. 0 times theorem prover too weak. 1035 trivial. 0 not checked. [2023-12-02 15:51:38,692 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [419644985] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-02 15:51:38,692 INFO L185 FreeRefinementEngine]: Found 0 perfect and 6 imperfect interpolant sequences. [2023-12-02 15:51:38,692 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6, 6, 6, 6] total 9 [2023-12-02 15:51:38,693 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1098633359] [2023-12-02 15:51:38,693 INFO L85 oduleStraightlineAll]: Using 6 imperfect interpolants to construct interpolant automaton [2023-12-02 15:51:38,694 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-12-02 15:51:38,694 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-12-02 15:51:38,694 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-12-02 15:51:38,694 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2023-12-02 15:51:38,695 INFO L87 Difference]: Start difference. First operand 183 states and 271 transitions. Second operand has 9 states, 9 states have (on average 5.222222222222222) internal successors, (47), 9 states have internal predecessors, (47), 2 states have call successors, (44), 2 states have call predecessors, (44), 4 states have return successors, (45), 2 states have call predecessors, (45), 2 states have call successors, (45) [2023-12-02 15:51:39,127 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 15:51:39,127 INFO L93 Difference]: Finished difference Result 324 states and 468 transitions. [2023-12-02 15:51:39,129 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-12-02 15:51:39,129 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 5.222222222222222) internal successors, (47), 9 states have internal predecessors, (47), 2 states have call successors, (44), 2 states have call predecessors, (44), 4 states have return successors, (45), 2 states have call predecessors, (45), 2 states have call successors, (45) Word has length 153 [2023-12-02 15:51:39,130 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 15:51:39,131 INFO L225 Difference]: With dead ends: 324 [2023-12-02 15:51:39,131 INFO L226 Difference]: Without dead ends: 201 [2023-12-02 15:51:39,131 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 920 GetRequests, 903 SyntacticMatches, 3 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=87, Invalid=153, Unknown=0, NotChecked=0, Total=240 [2023-12-02 15:51:39,132 INFO L413 NwaCegarLoop]: 69 mSDtfsCounter, 153 mSDsluCounter, 88 mSDsCounter, 0 mSdLazyCounter, 145 mSolverCounterSat, 63 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 155 SdHoareTripleChecker+Valid, 157 SdHoareTripleChecker+Invalid, 208 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 63 IncrementalHoareTripleChecker+Valid, 145 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-12-02 15:51:39,133 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [155 Valid, 157 Invalid, 208 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [63 Valid, 145 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-12-02 15:51:39,133 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 201 states. [2023-12-02 15:51:39,151 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 201 to 187. [2023-12-02 15:51:39,151 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 187 states, 114 states have (on average 1.1929824561403508) internal successors, (136), 115 states have internal predecessors, (136), 65 states have call successors, (65), 7 states have call predecessors, (65), 7 states have return successors, (65), 64 states have call predecessors, (65), 65 states have call successors, (65) [2023-12-02 15:51:39,153 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 187 states to 187 states and 266 transitions. [2023-12-02 15:51:39,153 INFO L78 Accepts]: Start accepts. Automaton has 187 states and 266 transitions. Word has length 153 [2023-12-02 15:51:39,153 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 15:51:39,154 INFO L495 AbstractCegarLoop]: Abstraction has 187 states and 266 transitions. [2023-12-02 15:51:39,154 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 5.222222222222222) internal successors, (47), 9 states have internal predecessors, (47), 2 states have call successors, (44), 2 states have call predecessors, (44), 4 states have return successors, (45), 2 states have call predecessors, (45), 2 states have call successors, (45) [2023-12-02 15:51:39,154 INFO L276 IsEmpty]: Start isEmpty. Operand 187 states and 266 transitions. [2023-12-02 15:51:39,156 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2023-12-02 15:51:39,156 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 15:51:39,156 INFO L195 NwaCegarLoop]: trace histogram [24, 24, 24, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 15:51:39,166 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc4ee543-c903-47b8-b8db-48b845031a4c/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Ended with exit code 0 [2023-12-02 15:51:39,362 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc4ee543-c903-47b8-b8db-48b845031a4c/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (10)] Ended with exit code 0 [2023-12-02 15:51:39,562 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc4ee543-c903-47b8-b8db-48b845031a4c/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt (11)] Ended with exit code 0 [2023-12-02 15:51:39,757 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc4ee543-c903-47b8-b8db-48b845031a4c/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true,10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc4ee543-c903-47b8-b8db-48b845031a4c/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3,11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc4ee543-c903-47b8-b8db-48b845031a4c/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt [2023-12-02 15:51:39,757 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 15:51:39,757 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 15:51:39,758 INFO L85 PathProgramCache]: Analyzing trace with hash -350364893, now seen corresponding path program 1 times [2023-12-02 15:51:39,758 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-12-02 15:51:39,758 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1717523582] [2023-12-02 15:51:39,758 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 15:51:39,758 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-02 15:51:39,758 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc4ee543-c903-47b8-b8db-48b845031a4c/bin/utaipan-verify-nQ1chXbOIh/mathsat [2023-12-02 15:51:39,759 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc4ee543-c903-47b8-b8db-48b845031a4c/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-02 15:51:39,760 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc4ee543-c903-47b8-b8db-48b845031a4c/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (13)] Waiting until timeout for monitored process [2023-12-02 15:51:40,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 15:51:40,021 INFO L262 TraceCheckSpWp]: Trace formula consists of 262 conjuncts, 24 conjunts are in the unsatisfiable core [2023-12-02 15:51:40,025 INFO L285 TraceCheckSpWp]: Computing forward predicates...