./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount50_file-17.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 30e01a73 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17d33a3e-2c35-4043-85f6-7ebc7ed61ab6/bin/utaipan-verify-mE87zJ7Ire/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17d33a3e-2c35-4043-85f6-7ebc7ed61ab6/bin/utaipan-verify-mE87zJ7Ire/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17d33a3e-2c35-4043-85f6-7ebc7ed61ab6/bin/utaipan-verify-mE87zJ7Ire/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17d33a3e-2c35-4043-85f6-7ebc7ed61ab6/bin/utaipan-verify-mE87zJ7Ire/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount50_file-17.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17d33a3e-2c35-4043-85f6-7ebc7ed61ab6/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17d33a3e-2c35-4043-85f6-7ebc7ed61ab6/bin/utaipan-verify-mE87zJ7Ire --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 2980b9136e59113496e6d13bb8e78215f79122648c1e75cbc03475e7ce57761b --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 21:28:45,727 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 21:28:45,832 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17d33a3e-2c35-4043-85f6-7ebc7ed61ab6/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Reach-32bit-Taipan_Default.epf [2023-11-23 21:28:45,838 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 21:28:45,838 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-23 21:28:45,870 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 21:28:45,871 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-23 21:28:45,872 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-23 21:28:45,873 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 21:28:45,873 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-23 21:28:45,874 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-23 21:28:45,875 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-23 21:28:45,875 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-23 21:28:45,876 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-23 21:28:45,877 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-23 21:28:45,877 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-23 21:28:45,878 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-23 21:28:45,879 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-23 21:28:45,879 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-23 21:28:45,880 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-23 21:28:45,881 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-23 21:28:45,882 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-23 21:28:45,883 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 21:28:45,883 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 21:28:45,884 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-23 21:28:45,885 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-23 21:28:45,885 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-23 21:28:45,886 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 21:28:45,886 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 21:28:45,887 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 21:28:45,887 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 21:28:45,888 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-23 21:28:45,888 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 21:28:45,889 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 21:28:45,889 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 21:28:45,890 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-23 21:28:45,890 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-23 21:28:45,891 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:28:45,891 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 21:28:45,892 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 21:28:45,892 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 21:28:45,896 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-23 21:28:45,897 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-23 21:28:45,897 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-23 21:28:45,898 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 21:28:45,898 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-23 21:28:45,898 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-23 21:28:45,898 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_17d33a3e-2c35-4043-85f6-7ebc7ed61ab6/bin/utaipan-verify-mE87zJ7Ire/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17d33a3e-2c35-4043-85f6-7ebc7ed61ab6/bin/utaipan-verify-mE87zJ7Ire Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2980b9136e59113496e6d13bb8e78215f79122648c1e75cbc03475e7ce57761b [2023-11-23 21:28:46,267 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 21:28:46,300 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 21:28:46,303 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 21:28:46,306 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 21:28:46,307 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 21:28:46,309 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17d33a3e-2c35-4043-85f6-7ebc7ed61ab6/bin/utaipan-verify-mE87zJ7Ire/../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount50_file-17.i [2023-11-23 21:28:49,971 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 21:28:50,307 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 21:28:50,308 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17d33a3e-2c35-4043-85f6-7ebc7ed61ab6/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount50_file-17.i [2023-11-23 21:28:50,320 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17d33a3e-2c35-4043-85f6-7ebc7ed61ab6/bin/utaipan-verify-mE87zJ7Ire/data/b94dd2990/ec3c41b23c084fdf9e56a18346b33715/FLAG07969ed90 [2023-11-23 21:28:50,341 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17d33a3e-2c35-4043-85f6-7ebc7ed61ab6/bin/utaipan-verify-mE87zJ7Ire/data/b94dd2990/ec3c41b23c084fdf9e56a18346b33715 [2023-11-23 21:28:50,352 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 21:28:50,355 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 21:28:50,360 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 21:28:50,360 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 21:28:50,367 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 21:28:50,368 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:28:50" (1/1) ... [2023-11-23 21:28:50,370 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4798dc1b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:28:50, skipping insertion in model container [2023-11-23 21:28:50,370 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:28:50" (1/1) ... [2023-11-23 21:28:50,427 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 21:28:50,685 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_17d33a3e-2c35-4043-85f6-7ebc7ed61ab6/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount50_file-17.i[915,928] [2023-11-23 21:28:50,795 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 21:28:50,810 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 21:28:50,825 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_17d33a3e-2c35-4043-85f6-7ebc7ed61ab6/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount50_file-17.i[915,928] [2023-11-23 21:28:50,859 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 21:28:50,878 INFO L206 MainTranslator]: Completed translation [2023-11-23 21:28:50,878 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:28:50 WrapperNode [2023-11-23 21:28:50,879 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 21:28:50,880 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 21:28:50,880 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 21:28:50,880 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 21:28:50,889 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:28:50" (1/1) ... [2023-11-23 21:28:50,905 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:28:50" (1/1) ... [2023-11-23 21:28:50,971 INFO L138 Inliner]: procedures = 26, calls = 31, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 162 [2023-11-23 21:28:50,972 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 21:28:50,973 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 21:28:50,973 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 21:28:50,973 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 21:28:50,983 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:28:50" (1/1) ... [2023-11-23 21:28:50,983 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:28:50" (1/1) ... [2023-11-23 21:28:50,988 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:28:50" (1/1) ... [2023-11-23 21:28:50,988 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:28:50" (1/1) ... [2023-11-23 21:28:51,002 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:28:50" (1/1) ... [2023-11-23 21:28:51,006 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:28:50" (1/1) ... [2023-11-23 21:28:51,009 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:28:50" (1/1) ... [2023-11-23 21:28:51,012 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:28:50" (1/1) ... [2023-11-23 21:28:51,018 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 21:28:51,019 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 21:28:51,019 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 21:28:51,019 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 21:28:51,020 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:28:50" (1/1) ... [2023-11-23 21:28:51,027 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:28:51,040 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17d33a3e-2c35-4043-85f6-7ebc7ed61ab6/bin/utaipan-verify-mE87zJ7Ire/z3 [2023-11-23 21:28:51,065 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17d33a3e-2c35-4043-85f6-7ebc7ed61ab6/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-23 21:28:51,099 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17d33a3e-2c35-4043-85f6-7ebc7ed61ab6/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-23 21:28:51,113 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 21:28:51,113 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-23 21:28:51,114 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-23 21:28:51,114 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-23 21:28:51,117 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 21:28:51,117 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 21:28:51,260 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 21:28:51,263 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 21:28:51,725 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 21:28:52,083 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 21:28:52,083 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-23 21:28:52,086 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:28:52 BoogieIcfgContainer [2023-11-23 21:28:52,086 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 21:28:52,090 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-23 21:28:52,090 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-23 21:28:52,095 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-23 21:28:52,095 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 09:28:50" (1/3) ... [2023-11-23 21:28:52,098 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@371cf293 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:28:52, skipping insertion in model container [2023-11-23 21:28:52,098 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:28:50" (2/3) ... [2023-11-23 21:28:52,100 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@371cf293 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:28:52, skipping insertion in model container [2023-11-23 21:28:52,100 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:28:52" (3/3) ... [2023-11-23 21:28:52,102 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_operatoramount_amount50_file-17.i [2023-11-23 21:28:52,125 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-23 21:28:52,126 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-23 21:28:52,199 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-23 21:28:52,210 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;@56f5736c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-23 21:28:52,212 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-23 21:28:52,220 INFO L276 IsEmpty]: Start isEmpty. Operand has 37 states, 16 states have (on average 1.1875) internal successors, (19), 17 states have internal predecessors, (19), 18 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2023-11-23 21:28:52,232 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-11-23 21:28:52,232 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:28:52,233 INFO L195 NwaCegarLoop]: trace histogram [18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 21:28:52,234 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:28:52,239 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:28:52,240 INFO L85 PathProgramCache]: Analyzing trace with hash -1629150397, now seen corresponding path program 1 times [2023-11-23 21:28:52,251 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-23 21:28:52,252 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1319391846] [2023-11-23 21:28:52,252 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:28:52,253 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 21:28:52,570 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-23 21:28:52,576 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1638313948] [2023-11-23 21:28:52,577 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:28:52,577 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 21:28:52,577 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17d33a3e-2c35-4043-85f6-7ebc7ed61ab6/bin/utaipan-verify-mE87zJ7Ire/z3 [2023-11-23 21:28:52,581 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17d33a3e-2c35-4043-85f6-7ebc7ed61ab6/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-23 21:28:52,611 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17d33a3e-2c35-4043-85f6-7ebc7ed61ab6/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-23 21:28:52,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-23 21:28:52,815 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-23 21:28:53,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-23 21:28:53,116 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2023-11-23 21:28:53,119 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-23 21:28:53,120 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-23 21:28:53,152 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17d33a3e-2c35-4043-85f6-7ebc7ed61ab6/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-11-23 21:28:53,350 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17d33a3e-2c35-4043-85f6-7ebc7ed61ab6/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2023-11-23 21:28:53,355 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-11-23 21:28:53,362 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-23 21:28:53,477 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 09:28:53 BoogieIcfgContainer [2023-11-23 21:28:53,478 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-23 21:28:53,480 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-23 21:28:53,480 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-23 21:28:53,480 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-23 21:28:53,482 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:28:52" (3/4) ... [2023-11-23 21:28:53,484 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-23 21:28:53,486 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-23 21:28:53,487 INFO L158 Benchmark]: Toolchain (without parser) took 3132.08ms. Allocated memory is still 148.9MB. Free memory was 103.2MB in the beginning and 89.9MB in the end (delta: 13.2MB). Peak memory consumption was 14.8MB. Max. memory is 16.1GB. [2023-11-23 21:28:53,489 INFO L158 Benchmark]: CDTParser took 0.39ms. Allocated memory is still 111.1MB. Free memory is still 62.5MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 21:28:53,490 INFO L158 Benchmark]: CACSL2BoogieTranslator took 519.17ms. Allocated memory is still 148.9MB. Free memory was 103.2MB in the beginning and 89.4MB in the end (delta: 13.8MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-23 21:28:53,491 INFO L158 Benchmark]: Boogie Procedure Inliner took 92.41ms. Allocated memory is still 148.9MB. Free memory was 89.4MB in the beginning and 85.6MB in the end (delta: 3.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-23 21:28:53,498 INFO L158 Benchmark]: Boogie Preprocessor took 45.37ms. Allocated memory is still 148.9MB. Free memory was 85.6MB in the beginning and 83.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-23 21:28:53,499 INFO L158 Benchmark]: RCFGBuilder took 1067.34ms. Allocated memory is still 148.9MB. Free memory was 83.5MB in the beginning and 71.6MB in the end (delta: 11.9MB). Peak memory consumption was 20.8MB. Max. memory is 16.1GB. [2023-11-23 21:28:53,499 INFO L158 Benchmark]: TraceAbstraction took 1388.88ms. Allocated memory is still 148.9MB. Free memory was 70.3MB in the beginning and 89.9MB in the end (delta: -19.6MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 21:28:53,500 INFO L158 Benchmark]: Witness Printer took 6.08ms. Allocated memory is still 148.9MB. Free memory is still 89.9MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 21:28:53,503 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.39ms. Allocated memory is still 111.1MB. Free memory is still 62.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 519.17ms. Allocated memory is still 148.9MB. Free memory was 103.2MB in the beginning and 89.4MB in the end (delta: 13.8MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 92.41ms. Allocated memory is still 148.9MB. Free memory was 89.4MB in the beginning and 85.6MB in the end (delta: 3.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 45.37ms. Allocated memory is still 148.9MB. Free memory was 85.6MB in the beginning and 83.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1067.34ms. Allocated memory is still 148.9MB. Free memory was 83.5MB in the beginning and 71.6MB in the end (delta: 11.9MB). Peak memory consumption was 20.8MB. Max. memory is 16.1GB. * TraceAbstraction took 1388.88ms. Allocated memory is still 148.9MB. Free memory was 70.3MB in the beginning and 89.9MB in the end (delta: -19.6MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 6.08ms. Allocated memory is still 148.9MB. Free memory is still 89.9MB. 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 58, overapproximation of bitwiseAnd at line 73. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] unsigned char var_1_1 = 25; [L23] unsigned char var_1_2 = 25; [L24] unsigned char var_1_3 = 0; [L25] unsigned char var_1_4 = 0; [L26] signed long int var_1_5 = 4; [L27] unsigned char var_1_7 = 0; [L28] unsigned char var_1_8 = 1; [L29] unsigned char var_1_9 = 0; [L30] unsigned char var_1_10 = 0; [L31] double var_1_11 = 7.3; [L32] double var_1_12 = 1.25; [L33] double var_1_13 = 128.8; [L34] signed char var_1_14 = -1; [L35] signed char var_1_15 = 10; [L36] signed short int var_1_16 = 8; [L37] unsigned long int var_1_18 = 128; [L38] unsigned long int var_1_19 = 3963666122; [L39] unsigned char last_1_var_1_8 = 1; [L40] signed char last_1_var_1_14 = -1; [L125] isInitial = 1 [L126] FCALL initially() [L127] COND TRUE 1 [L128] CALL updateLastVariables() [L117] last_1_var_1_8 = var_1_8 [L118] last_1_var_1_14 = var_1_14 [L128] RET updateLastVariables() [L129] CALL updateVariables() [L87] var_1_2 = __VERIFIER_nondet_uchar() [L88] CALL assume_abort_if_not(var_1_2 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=-1, last_1_var_1_8=1, var_1_10=0, var_1_11=73/10, var_1_12=5/4, var_1_13=644/5, var_1_14=-1, var_1_15=10, var_1_16=8, var_1_18=128, var_1_19=3963666122, var_1_1=25, var_1_3=0, var_1_4=0, var_1_5=4, var_1_7=0, var_1_8=1, var_1_9=0] [L20] COND FALSE !(!cond) [L88] RET assume_abort_if_not(var_1_2 >= 0) VAL [isInitial=1, last_1_var_1_14=-1, last_1_var_1_8=1, var_1_10=0, var_1_11=73/10, var_1_12=5/4, var_1_13=644/5, var_1_14=-1, var_1_15=10, var_1_16=8, var_1_18=128, var_1_19=3963666122, var_1_1=25, var_1_3=0, var_1_4=0, var_1_5=4, var_1_7=0, var_1_8=1, var_1_9=0] [L89] CALL assume_abort_if_not(var_1_2 <= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=-1, last_1_var_1_8=1, var_1_10=0, var_1_11=73/10, var_1_12=5/4, var_1_13=644/5, var_1_14=-1, var_1_15=10, var_1_16=8, var_1_18=128, var_1_19=3963666122, var_1_1=25, var_1_2=2, var_1_3=0, var_1_4=0, var_1_5=4, var_1_7=0, var_1_8=1, var_1_9=0] [L20] COND FALSE !(!cond) [L89] RET assume_abort_if_not(var_1_2 <= 127) VAL [isInitial=1, last_1_var_1_14=-1, last_1_var_1_8=1, var_1_10=0, var_1_11=73/10, var_1_12=5/4, var_1_13=644/5, var_1_14=-1, var_1_15=10, var_1_16=8, var_1_18=128, var_1_19=3963666122, var_1_1=25, var_1_2=2, var_1_3=0, var_1_4=0, var_1_5=4, var_1_7=0, var_1_8=1, var_1_9=0] [L90] var_1_3 = __VERIFIER_nondet_uchar() [L91] CALL assume_abort_if_not(var_1_3 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=-1, last_1_var_1_8=1, var_1_10=0, var_1_11=73/10, var_1_12=5/4, var_1_13=644/5, var_1_14=-1, var_1_15=10, var_1_16=8, var_1_18=128, var_1_19=3963666122, var_1_1=25, var_1_2=2, var_1_4=0, var_1_5=4, var_1_7=0, var_1_8=1, var_1_9=0] [L20] COND FALSE !(!cond) [L91] RET assume_abort_if_not(var_1_3 >= 0) VAL [isInitial=1, last_1_var_1_14=-1, last_1_var_1_8=1, var_1_10=0, var_1_11=73/10, var_1_12=5/4, var_1_13=644/5, var_1_14=-1, var_1_15=10, var_1_16=8, var_1_18=128, var_1_19=3963666122, var_1_1=25, var_1_2=2, var_1_4=0, var_1_5=4, var_1_7=0, var_1_8=1, var_1_9=0] [L92] CALL assume_abort_if_not(var_1_3 <= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=-1, last_1_var_1_8=1, var_1_10=0, var_1_11=73/10, var_1_12=5/4, var_1_13=644/5, var_1_14=-1, var_1_15=10, var_1_16=8, var_1_18=128, var_1_19=3963666122, var_1_1=25, var_1_2=2, var_1_3=1, var_1_4=0, var_1_5=4, var_1_7=0, var_1_8=1, var_1_9=0] [L20] COND FALSE !(!cond) [L92] RET assume_abort_if_not(var_1_3 <= 127) VAL [isInitial=1, last_1_var_1_14=-1, last_1_var_1_8=1, var_1_10=0, var_1_11=73/10, var_1_12=5/4, var_1_13=644/5, var_1_14=-1, var_1_15=10, var_1_16=8, var_1_18=128, var_1_19=3963666122, var_1_1=25, var_1_2=2, var_1_3=1, var_1_4=0, var_1_5=4, var_1_7=0, var_1_8=1, var_1_9=0] [L93] var_1_4 = __VERIFIER_nondet_uchar() [L94] CALL assume_abort_if_not(var_1_4 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=-1, last_1_var_1_8=1, var_1_10=0, var_1_11=73/10, var_1_12=5/4, var_1_13=644/5, var_1_14=-1, var_1_15=10, var_1_16=8, var_1_18=128, var_1_19=3963666122, var_1_1=25, var_1_2=2, var_1_3=1, var_1_5=4, var_1_7=0, var_1_8=1, var_1_9=0] [L20] COND FALSE !(!cond) [L94] RET assume_abort_if_not(var_1_4 >= 0) VAL [isInitial=1, last_1_var_1_14=-1, last_1_var_1_8=1, var_1_10=0, var_1_11=73/10, var_1_12=5/4, var_1_13=644/5, var_1_14=-1, var_1_15=10, var_1_16=8, var_1_18=128, var_1_19=3963666122, var_1_1=25, var_1_2=2, var_1_3=1, var_1_5=4, var_1_7=0, var_1_8=1, var_1_9=0] [L95] CALL assume_abort_if_not(var_1_4 <= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=-1, last_1_var_1_8=1, var_1_10=0, var_1_11=73/10, var_1_12=5/4, var_1_13=644/5, var_1_14=-1, var_1_15=10, var_1_16=8, var_1_18=128, var_1_19=3963666122, var_1_1=25, var_1_2=2, var_1_3=1, var_1_4=8, var_1_5=4, var_1_7=0, var_1_8=1, var_1_9=0] [L20] COND FALSE !(!cond) [L95] RET assume_abort_if_not(var_1_4 <= 127) VAL [isInitial=1, last_1_var_1_14=-1, last_1_var_1_8=1, var_1_10=0, var_1_11=73/10, var_1_12=5/4, var_1_13=644/5, var_1_14=-1, var_1_15=10, var_1_16=8, var_1_18=128, var_1_19=3963666122, var_1_1=25, var_1_2=2, var_1_3=1, var_1_4=8, var_1_5=4, var_1_7=0, var_1_8=1, var_1_9=0] [L96] var_1_7 = __VERIFIER_nondet_uchar() [L97] CALL assume_abort_if_not(var_1_7 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=-1, last_1_var_1_8=1, var_1_10=0, var_1_11=73/10, var_1_12=5/4, var_1_13=644/5, var_1_14=-1, var_1_15=10, var_1_16=8, var_1_18=128, var_1_19=3963666122, var_1_1=25, var_1_2=2, var_1_3=1, var_1_4=8, var_1_5=4, var_1_8=1, var_1_9=0] [L20] COND FALSE !(!cond) [L97] RET assume_abort_if_not(var_1_7 >= 0) VAL [isInitial=1, last_1_var_1_14=-1, last_1_var_1_8=1, var_1_10=0, var_1_11=73/10, var_1_12=5/4, var_1_13=644/5, var_1_14=-1, var_1_15=10, var_1_16=8, var_1_18=128, var_1_19=3963666122, var_1_1=25, var_1_2=2, var_1_3=1, var_1_4=8, var_1_5=4, var_1_8=1, var_1_9=0] [L98] CALL assume_abort_if_not(var_1_7 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=-1, last_1_var_1_8=1, var_1_10=0, var_1_11=73/10, var_1_12=5/4, var_1_13=644/5, var_1_14=-1, var_1_15=10, var_1_16=8, var_1_18=128, var_1_19=3963666122, var_1_1=25, var_1_2=2, var_1_3=1, var_1_4=8, var_1_5=4, var_1_7=1, var_1_8=1, var_1_9=0] [L20] COND FALSE !(!cond) [L98] RET assume_abort_if_not(var_1_7 <= 1) VAL [isInitial=1, last_1_var_1_14=-1, last_1_var_1_8=1, var_1_10=0, var_1_11=73/10, var_1_12=5/4, var_1_13=644/5, var_1_14=-1, var_1_15=10, var_1_16=8, var_1_18=128, var_1_19=3963666122, var_1_1=25, var_1_2=2, var_1_3=1, var_1_4=8, var_1_5=4, var_1_7=1, var_1_8=1, var_1_9=0] [L99] var_1_9 = __VERIFIER_nondet_uchar() [L100] CALL assume_abort_if_not(var_1_9 >= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=-1, last_1_var_1_8=1, var_1_10=0, var_1_11=73/10, var_1_12=5/4, var_1_13=644/5, var_1_14=-1, var_1_15=10, var_1_16=8, var_1_18=128, var_1_19=3963666122, var_1_1=25, var_1_2=2, var_1_3=1, var_1_4=8, var_1_5=4, var_1_7=1, var_1_8=1, var_1_9=1] [L20] COND FALSE !(!cond) [L100] RET assume_abort_if_not(var_1_9 >= 1) VAL [isInitial=1, last_1_var_1_14=-1, last_1_var_1_8=1, var_1_10=0, var_1_11=73/10, var_1_12=5/4, var_1_13=644/5, var_1_14=-1, var_1_15=10, var_1_16=8, var_1_18=128, var_1_19=3963666122, var_1_1=25, var_1_2=2, var_1_3=1, var_1_4=8, var_1_5=4, var_1_7=1, var_1_8=1, var_1_9=1] [L101] CALL assume_abort_if_not(var_1_9 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=-1, last_1_var_1_8=1, var_1_10=0, var_1_11=73/10, var_1_12=5/4, var_1_13=644/5, var_1_14=-1, var_1_15=10, var_1_16=8, var_1_18=128, var_1_19=3963666122, var_1_1=25, var_1_2=2, var_1_3=1, var_1_4=8, var_1_5=4, var_1_7=1, var_1_8=1, var_1_9=1] [L20] COND FALSE !(!cond) [L101] RET assume_abort_if_not(var_1_9 <= 1) VAL [isInitial=1, last_1_var_1_14=-1, last_1_var_1_8=1, var_1_10=0, var_1_11=73/10, var_1_12=5/4, var_1_13=644/5, var_1_14=-1, var_1_15=10, var_1_16=8, var_1_18=128, var_1_19=3963666122, var_1_1=25, var_1_2=2, var_1_3=1, var_1_4=8, var_1_5=4, var_1_7=1, var_1_8=1, var_1_9=1] [L102] var_1_10 = __VERIFIER_nondet_uchar() [L103] CALL assume_abort_if_not(var_1_10 >= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=-1, last_1_var_1_8=1, var_1_10=1, var_1_11=73/10, var_1_12=5/4, var_1_13=644/5, var_1_14=-1, var_1_15=10, var_1_16=8, var_1_18=128, var_1_19=3963666122, var_1_1=25, var_1_2=2, var_1_3=1, var_1_4=8, var_1_5=4, var_1_7=1, var_1_8=1, var_1_9=1] [L20] COND FALSE !(!cond) [L103] RET assume_abort_if_not(var_1_10 >= 1) VAL [isInitial=1, last_1_var_1_14=-1, last_1_var_1_8=1, var_1_10=1, var_1_11=73/10, var_1_12=5/4, var_1_13=644/5, var_1_14=-1, var_1_15=10, var_1_16=8, var_1_18=128, var_1_19=3963666122, var_1_1=25, var_1_2=2, var_1_3=1, var_1_4=8, var_1_5=4, var_1_7=1, var_1_8=1, var_1_9=1] [L104] CALL assume_abort_if_not(var_1_10 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=-1, last_1_var_1_8=1, var_1_10=1, var_1_11=73/10, var_1_12=5/4, var_1_13=644/5, var_1_14=-1, var_1_15=10, var_1_16=8, var_1_18=128, var_1_19=3963666122, var_1_1=25, var_1_2=2, var_1_3=1, var_1_4=8, var_1_5=4, var_1_7=1, var_1_8=1, var_1_9=1] [L20] COND FALSE !(!cond) [L104] RET assume_abort_if_not(var_1_10 <= 1) VAL [isInitial=1, last_1_var_1_14=-1, last_1_var_1_8=1, var_1_10=1, var_1_11=73/10, var_1_12=5/4, var_1_13=644/5, var_1_14=-1, var_1_15=10, var_1_16=8, var_1_18=128, var_1_19=3963666122, var_1_1=25, var_1_2=2, var_1_3=1, var_1_4=8, var_1_5=4, var_1_7=1, var_1_8=1, var_1_9=1] [L105] var_1_12 = __VERIFIER_nondet_double() [L106] CALL assume_abort_if_not((var_1_12 >= -922337.2036854765600e+13F && var_1_12 <= -1.0e-20F) || (var_1_12 <= 9223372.036854765600e+12F && var_1_12 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=-1, last_1_var_1_8=1, var_1_10=1, var_1_11=73/10, var_1_13=644/5, var_1_14=-1, var_1_15=10, var_1_16=8, var_1_18=128, var_1_19=3963666122, var_1_1=25, var_1_2=2, var_1_3=1, var_1_4=8, var_1_5=4, var_1_7=1, var_1_8=1, var_1_9=1] [L20] COND FALSE !(!cond) [L106] RET assume_abort_if_not((var_1_12 >= -922337.2036854765600e+13F && var_1_12 <= -1.0e-20F) || (var_1_12 <= 9223372.036854765600e+12F && var_1_12 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_14=-1, last_1_var_1_8=1, var_1_10=1, var_1_11=73/10, var_1_13=644/5, var_1_14=-1, var_1_15=10, var_1_16=8, var_1_18=128, var_1_19=3963666122, var_1_1=25, var_1_2=2, var_1_3=1, var_1_4=8, var_1_5=4, var_1_7=1, var_1_8=1, var_1_9=1] [L107] var_1_13 = __VERIFIER_nondet_double() [L108] CALL assume_abort_if_not((var_1_13 >= -922337.2036854765600e+13F && var_1_13 <= -1.0e-20F) || (var_1_13 <= 9223372.036854765600e+12F && var_1_13 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=-1, last_1_var_1_8=1, var_1_10=1, var_1_11=73/10, var_1_14=-1, var_1_15=10, var_1_16=8, var_1_18=128, var_1_19=3963666122, var_1_1=25, var_1_2=2, var_1_3=1, var_1_4=8, var_1_5=4, var_1_7=1, var_1_8=1, var_1_9=1] [L20] COND FALSE !(!cond) [L108] RET assume_abort_if_not((var_1_13 >= -922337.2036854765600e+13F && var_1_13 <= -1.0e-20F) || (var_1_13 <= 9223372.036854765600e+12F && var_1_13 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_14=-1, last_1_var_1_8=1, var_1_10=1, var_1_11=73/10, var_1_14=-1, var_1_15=10, var_1_16=8, var_1_18=128, var_1_19=3963666122, var_1_1=25, var_1_2=2, var_1_3=1, var_1_4=8, var_1_5=4, var_1_7=1, var_1_8=1, var_1_9=1] [L109] var_1_15 = __VERIFIER_nondet_char() [L110] CALL assume_abort_if_not(var_1_15 >= -127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=-1, last_1_var_1_8=1, var_1_10=1, var_1_11=73/10, var_1_14=-1, var_1_15=0, var_1_16=8, var_1_18=128, var_1_19=3963666122, var_1_1=25, var_1_2=2, var_1_3=1, var_1_4=8, var_1_5=4, var_1_7=1, var_1_8=1, var_1_9=1] [L20] COND FALSE !(!cond) [L110] RET assume_abort_if_not(var_1_15 >= -127) VAL [isInitial=1, last_1_var_1_14=-1, last_1_var_1_8=1, var_1_10=1, var_1_11=73/10, var_1_14=-1, var_1_15=0, var_1_16=8, var_1_18=128, var_1_19=3963666122, var_1_1=25, var_1_2=2, var_1_3=1, var_1_4=8, var_1_5=4, var_1_7=1, var_1_8=1, var_1_9=1] [L111] CALL assume_abort_if_not(var_1_15 <= 126) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=-1, last_1_var_1_8=1, var_1_10=1, var_1_11=73/10, var_1_14=-1, var_1_15=0, var_1_16=8, var_1_18=128, var_1_19=3963666122, var_1_1=25, var_1_2=2, var_1_3=1, var_1_4=8, var_1_5=4, var_1_7=1, var_1_8=1, var_1_9=1] [L20] COND FALSE !(!cond) [L111] RET assume_abort_if_not(var_1_15 <= 126) VAL [isInitial=1, last_1_var_1_14=-1, last_1_var_1_8=1, var_1_10=1, var_1_11=73/10, var_1_14=-1, var_1_15=0, var_1_16=8, var_1_18=128, var_1_19=3963666122, var_1_1=25, var_1_2=2, var_1_3=1, var_1_4=8, var_1_5=4, var_1_7=1, var_1_8=1, var_1_9=1] [L112] var_1_19 = __VERIFIER_nondet_ulong() [L113] CALL assume_abort_if_not(var_1_19 >= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=-1, last_1_var_1_8=1, var_1_10=1, var_1_11=73/10, var_1_14=-1, var_1_15=0, var_1_16=8, var_1_18=128, var_1_19=2147483647, var_1_1=25, var_1_2=2, var_1_3=1, var_1_4=8, var_1_5=4, var_1_7=1, var_1_8=1, var_1_9=1] [L20] COND FALSE !(!cond) [L113] RET assume_abort_if_not(var_1_19 >= 2147483647) VAL [isInitial=1, last_1_var_1_14=-1, last_1_var_1_8=1, var_1_10=1, var_1_11=73/10, var_1_14=-1, var_1_15=0, var_1_16=8, var_1_18=128, var_1_19=2147483647, var_1_1=25, var_1_2=2, var_1_3=1, var_1_4=8, var_1_5=4, var_1_7=1, var_1_8=1, var_1_9=1] [L114] CALL assume_abort_if_not(var_1_19 <= 4294967294) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=-1, last_1_var_1_8=1, var_1_10=1, var_1_11=73/10, var_1_14=-1, var_1_15=0, var_1_16=8, var_1_18=128, var_1_19=2147483647, var_1_1=25, var_1_2=2, var_1_3=1, var_1_4=8, var_1_5=4, var_1_7=1, var_1_8=1, var_1_9=1] [L20] COND FALSE !(!cond) [L114] RET assume_abort_if_not(var_1_19 <= 4294967294) VAL [isInitial=1, last_1_var_1_14=-1, last_1_var_1_8=1, var_1_10=1, var_1_11=73/10, var_1_14=-1, var_1_15=0, var_1_16=8, var_1_18=128, var_1_19=2147483647, var_1_1=25, var_1_2=2, var_1_3=1, var_1_4=8, var_1_5=4, var_1_7=1, var_1_8=1, var_1_9=1] [L129] RET updateVariables() [L130] CALL step() [L44] unsigned char stepLocal_0 = last_1_var_1_8; [L45] COND TRUE stepLocal_0 && last_1_var_1_8 [L46] COND TRUE \read(last_1_var_1_8) [L47] var_1_5 = (((((last_1_var_1_14) < 0 ) ? -(last_1_var_1_14) : (last_1_var_1_14))) - ((((var_1_4) < (var_1_2)) ? (var_1_4) : (var_1_2)))) [L52] COND TRUE var_1_5 < var_1_3 [L53] var_1_8 = ((var_1_7 || (last_1_var_1_8 || var_1_9)) && var_1_10) [L57] var_1_1 = (50 + ((((var_1_2) < (((((var_1_3) < (var_1_4)) ? (var_1_3) : (var_1_4))))) ? (var_1_2) : (((((var_1_3) < (var_1_4)) ? (var_1_3) : (var_1_4))))))) [L58] COND TRUE (64.4f + 1.5f) <= var_1_13 [L59] COND TRUE var_1_1 >= var_1_4 [L60] var_1_14 = var_1_15 [L63] unsigned char stepLocal_3 = var_1_9 && var_1_8; [L64] COND TRUE stepLocal_3 || (var_1_8 && var_1_10) [L65] var_1_18 = (var_1_19 - (((((1991720936u - var_1_1)) < (var_1_2)) ? ((1991720936u - var_1_1)) : (var_1_2)))) [L69] signed long int stepLocal_1 = 8 + var_1_14; [L70] COND TRUE var_1_4 == stepLocal_1 [L71] var_1_11 = ((((var_1_12) > (var_1_13)) ? (var_1_12) : (var_1_13))) [L73] EXPR var_1_15 & var_1_1 [L73] unsigned long int stepLocal_2 = var_1_18 * (var_1_15 & var_1_1); [L74] COND FALSE !(var_1_12 >= 9.6) [L130] RET step() [L131] CALL, EXPR property() [L121] EXPR (((((var_1_1 == ((unsigned char) (50 + ((((var_1_2) < (((((var_1_3) < (var_1_4)) ? (var_1_3) : (var_1_4))))) ? (var_1_2) : (((((var_1_3) < (var_1_4)) ? (var_1_3) : (var_1_4))))))))) && ((last_1_var_1_8 && last_1_var_1_8) ? (last_1_var_1_8 ? (var_1_5 == ((signed long int) (((((last_1_var_1_14) < 0 ) ? -(last_1_var_1_14) : (last_1_var_1_14))) - ((((var_1_4) < (var_1_2)) ? (var_1_4) : (var_1_2)))))) : (var_1_5 == ((signed long int) 8))) : 1)) && ((var_1_5 < var_1_3) ? (var_1_8 == ((unsigned char) ((var_1_7 || (last_1_var_1_8 || var_1_9)) && var_1_10))) : (var_1_8 == ((unsigned char) (! var_1_10))))) && ((var_1_4 == (8 + var_1_14)) ? (var_1_11 == ((double) ((((var_1_12) > (var_1_13)) ? (var_1_12) : (var_1_13))))) : 1)) && (((64.4f + 1.5f) <= var_1_13) ? ((var_1_1 >= var_1_4) ? (var_1_14 == ((signed char) var_1_15)) : 1) : 1)) && ((var_1_12 >= 9.6) ? (var_1_10 ? (var_1_16 == ((signed short int) (2 - var_1_1))) : (((var_1_18 * (var_1_15 & var_1_1)) <= var_1_3) ? (var_1_16 == ((signed short int) var_1_18)) : (var_1_16 == ((signed short int) var_1_4)))) : 1) [L121] EXPR (var_1_12 >= 9.6) ? (var_1_10 ? (var_1_16 == ((signed short int) (2 - var_1_1))) : (((var_1_18 * (var_1_15 & var_1_1)) <= var_1_3) ? (var_1_16 == ((signed short int) var_1_18)) : (var_1_16 == ((signed short int) var_1_4)))) : 1 [L121] EXPR var_1_10 ? (var_1_16 == ((signed short int) (2 - var_1_1))) : (((var_1_18 * (var_1_15 & var_1_1)) <= var_1_3) ? (var_1_16 == ((signed short int) var_1_18)) : (var_1_16 == ((signed short int) var_1_4))) [L121] EXPR (var_1_12 >= 9.6) ? (var_1_10 ? (var_1_16 == ((signed short int) (2 - var_1_1))) : (((var_1_18 * (var_1_15 & var_1_1)) <= var_1_3) ? (var_1_16 == ((signed short int) var_1_18)) : (var_1_16 == ((signed short int) var_1_4)))) : 1 [L121] EXPR (((((var_1_1 == ((unsigned char) (50 + ((((var_1_2) < (((((var_1_3) < (var_1_4)) ? (var_1_3) : (var_1_4))))) ? (var_1_2) : (((((var_1_3) < (var_1_4)) ? (var_1_3) : (var_1_4))))))))) && ((last_1_var_1_8 && last_1_var_1_8) ? (last_1_var_1_8 ? (var_1_5 == ((signed long int) (((((last_1_var_1_14) < 0 ) ? -(last_1_var_1_14) : (last_1_var_1_14))) - ((((var_1_4) < (var_1_2)) ? (var_1_4) : (var_1_2)))))) : (var_1_5 == ((signed long int) 8))) : 1)) && ((var_1_5 < var_1_3) ? (var_1_8 == ((unsigned char) ((var_1_7 || (last_1_var_1_8 || var_1_9)) && var_1_10))) : (var_1_8 == ((unsigned char) (! var_1_10))))) && ((var_1_4 == (8 + var_1_14)) ? (var_1_11 == ((double) ((((var_1_12) > (var_1_13)) ? (var_1_12) : (var_1_13))))) : 1)) && (((64.4f + 1.5f) <= var_1_13) ? ((var_1_1 >= var_1_4) ? (var_1_14 == ((signed char) var_1_15)) : 1) : 1)) && ((var_1_12 >= 9.6) ? (var_1_10 ? (var_1_16 == ((signed short int) (2 - var_1_1))) : (((var_1_18 * (var_1_15 & var_1_1)) <= var_1_3) ? (var_1_16 == ((signed short int) var_1_18)) : (var_1_16 == ((signed short int) var_1_4)))) : 1) [L121-L122] return ((((((var_1_1 == ((unsigned char) (50 + ((((var_1_2) < (((((var_1_3) < (var_1_4)) ? (var_1_3) : (var_1_4))))) ? (var_1_2) : (((((var_1_3) < (var_1_4)) ? (var_1_3) : (var_1_4))))))))) && ((last_1_var_1_8 && last_1_var_1_8) ? (last_1_var_1_8 ? (var_1_5 == ((signed long int) (((((last_1_var_1_14) < 0 ) ? -(last_1_var_1_14) : (last_1_var_1_14))) - ((((var_1_4) < (var_1_2)) ? (var_1_4) : (var_1_2)))))) : (var_1_5 == ((signed long int) 8))) : 1)) && ((var_1_5 < var_1_3) ? (var_1_8 == ((unsigned char) ((var_1_7 || (last_1_var_1_8 || var_1_9)) && var_1_10))) : (var_1_8 == ((unsigned char) (! var_1_10))))) && ((var_1_4 == (8 + var_1_14)) ? (var_1_11 == ((double) ((((var_1_12) > (var_1_13)) ? (var_1_12) : (var_1_13))))) : 1)) && (((64.4f + 1.5f) <= var_1_13) ? ((var_1_1 >= var_1_4) ? (var_1_14 == ((signed char) var_1_15)) : 1) : 1)) && ((var_1_12 >= 9.6) ? (var_1_10 ? (var_1_16 == ((signed short int) (2 - var_1_1))) : (((var_1_18 * (var_1_15 & var_1_1)) <= var_1_3) ? (var_1_16 == ((signed short int) var_1_18)) : (var_1_16 == ((signed short int) var_1_4)))) : 1)) && (((var_1_9 && var_1_8) || (var_1_8 && var_1_10)) ? (var_1_18 == ((unsigned long int) (var_1_19 - (((((1991720936u - var_1_1)) < (var_1_2)) ? ((1991720936u - var_1_1)) : (var_1_2)))))) : (var_1_18 == ((unsigned long int) var_1_2))) ; [L131] RET, EXPR property() [L131] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_14=-1, last_1_var_1_8=1, var_1_10=1, var_1_11=2, var_1_12=2, var_1_13=0, var_1_14=0, var_1_15=0, var_1_16=8, var_1_18=2147483645, var_1_19=2147483647, var_1_1=51, var_1_2=2, var_1_3=1, var_1_4=8, var_1_5=-1, var_1_7=1, var_1_8=1, var_1_9=1] [L19] reach_error() VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_14=-1, last_1_var_1_8=1, var_1_10=1, var_1_11=2, var_1_12=2, var_1_13=0, var_1_14=0, var_1_15=0, var_1_16=8, var_1_18=2147483645, var_1_19=2147483647, var_1_1=51, var_1_2=2, var_1_3=1, var_1_4=8, var_1_5=-1, var_1_7=1, var_1_8=1, var_1_9=1] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 37 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.2s, OverallIterations: 1, TraceHistogramMax: 18, 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=37occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 68 NumberOfCodeBlocks, 68 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-11-23 21:28:53,568 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17d33a3e-2c35-4043-85f6-7ebc7ed61ab6/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17d33a3e-2c35-4043-85f6-7ebc7ed61ab6/bin/utaipan-verify-mE87zJ7Ire/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17d33a3e-2c35-4043-85f6-7ebc7ed61ab6/bin/utaipan-verify-mE87zJ7Ire/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17d33a3e-2c35-4043-85f6-7ebc7ed61ab6/bin/utaipan-verify-mE87zJ7Ire/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17d33a3e-2c35-4043-85f6-7ebc7ed61ab6/bin/utaipan-verify-mE87zJ7Ire/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount50_file-17.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17d33a3e-2c35-4043-85f6-7ebc7ed61ab6/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17d33a3e-2c35-4043-85f6-7ebc7ed61ab6/bin/utaipan-verify-mE87zJ7Ire --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 2980b9136e59113496e6d13bb8e78215f79122648c1e75cbc03475e7ce57761b --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 21:28:56,644 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 21:28:56,762 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17d33a3e-2c35-4043-85f6-7ebc7ed61ab6/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2023-11-23 21:28:56,770 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 21:28:56,771 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-23 21:28:56,816 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 21:28:56,817 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-23 21:28:56,818 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-23 21:28:56,819 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 21:28:56,823 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-23 21:28:56,824 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-23 21:28:56,824 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-23 21:28:56,825 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-23 21:28:56,826 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-23 21:28:56,827 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-23 21:28:56,827 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-23 21:28:56,828 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 21:28:56,829 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 21:28:56,829 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-23 21:28:56,830 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-23 21:28:56,831 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 21:28:56,831 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 21:28:56,832 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 21:28:56,832 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 21:28:56,832 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-23 21:28:56,833 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-23 21:28:56,833 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-23 21:28:56,834 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-23 21:28:56,834 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 21:28:56,834 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 21:28:56,836 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 21:28:56,836 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-23 21:28:56,836 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-23 21:28:56,837 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-23 21:28:56,837 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:28:56,837 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 21:28:56,837 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 21:28:56,838 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 21:28:56,838 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-23 21:28:56,839 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-23 21:28:56,839 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-23 21:28:56,840 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 21:28:56,840 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-23 21:28:56,840 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-23 21:28:56,841 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_17d33a3e-2c35-4043-85f6-7ebc7ed61ab6/bin/utaipan-verify-mE87zJ7Ire/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17d33a3e-2c35-4043-85f6-7ebc7ed61ab6/bin/utaipan-verify-mE87zJ7Ire Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2980b9136e59113496e6d13bb8e78215f79122648c1e75cbc03475e7ce57761b [2023-11-23 21:28:57,292 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 21:28:57,326 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 21:28:57,329 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 21:28:57,330 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 21:28:57,331 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 21:28:57,332 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17d33a3e-2c35-4043-85f6-7ebc7ed61ab6/bin/utaipan-verify-mE87zJ7Ire/../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount50_file-17.i [2023-11-23 21:29:00,609 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 21:29:00,940 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 21:29:00,943 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17d33a3e-2c35-4043-85f6-7ebc7ed61ab6/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount50_file-17.i [2023-11-23 21:29:00,954 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17d33a3e-2c35-4043-85f6-7ebc7ed61ab6/bin/utaipan-verify-mE87zJ7Ire/data/4d130d8b9/1aecb2ae5d9941329f89f6c7f2bd3c01/FLAG4bdc9ff90 [2023-11-23 21:29:00,970 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17d33a3e-2c35-4043-85f6-7ebc7ed61ab6/bin/utaipan-verify-mE87zJ7Ire/data/4d130d8b9/1aecb2ae5d9941329f89f6c7f2bd3c01 [2023-11-23 21:29:00,973 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 21:29:00,975 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 21:29:00,976 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 21:29:00,976 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 21:29:00,983 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 21:29:00,984 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:29:00" (1/1) ... [2023-11-23 21:29:00,985 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@658204bd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:29:00, skipping insertion in model container [2023-11-23 21:29:00,986 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:29:00" (1/1) ... [2023-11-23 21:29:01,017 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 21:29:01,186 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_17d33a3e-2c35-4043-85f6-7ebc7ed61ab6/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount50_file-17.i[915,928] [2023-11-23 21:29:01,243 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 21:29:01,261 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 21:29:01,275 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_17d33a3e-2c35-4043-85f6-7ebc7ed61ab6/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount50_file-17.i[915,928] [2023-11-23 21:29:01,306 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 21:29:01,327 INFO L206 MainTranslator]: Completed translation [2023-11-23 21:29:01,328 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:29:01 WrapperNode [2023-11-23 21:29:01,328 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 21:29:01,329 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 21:29:01,329 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 21:29:01,329 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 21:29:01,338 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:29:01" (1/1) ... [2023-11-23 21:29:01,354 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:29:01" (1/1) ... [2023-11-23 21:29:01,413 INFO L138 Inliner]: procedures = 27, calls = 31, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 129 [2023-11-23 21:29:01,414 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 21:29:01,414 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 21:29:01,414 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 21:29:01,415 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 21:29:01,427 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:29:01" (1/1) ... [2023-11-23 21:29:01,427 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:29:01" (1/1) ... [2023-11-23 21:29:01,442 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:29:01" (1/1) ... [2023-11-23 21:29:01,443 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:29:01" (1/1) ... [2023-11-23 21:29:01,470 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:29:01" (1/1) ... [2023-11-23 21:29:01,475 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:29:01" (1/1) ... [2023-11-23 21:29:01,478 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:29:01" (1/1) ... [2023-11-23 21:29:01,480 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:29:01" (1/1) ... [2023-11-23 21:29:01,496 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 21:29:01,497 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 21:29:01,497 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 21:29:01,498 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 21:29:01,499 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:29:01" (1/1) ... [2023-11-23 21:29:01,516 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:29:01,529 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17d33a3e-2c35-4043-85f6-7ebc7ed61ab6/bin/utaipan-verify-mE87zJ7Ire/z3 [2023-11-23 21:29:01,544 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17d33a3e-2c35-4043-85f6-7ebc7ed61ab6/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-23 21:29:01,611 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17d33a3e-2c35-4043-85f6-7ebc7ed61ab6/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-23 21:29:01,651 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 21:29:01,651 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-23 21:29:01,652 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-23 21:29:01,652 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-23 21:29:01,652 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 21:29:01,652 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 21:29:01,807 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 21:29:01,811 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 21:29:03,057 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 21:29:03,147 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 21:29:03,147 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-23 21:29:03,148 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:29:03 BoogieIcfgContainer [2023-11-23 21:29:03,148 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 21:29:03,157 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-23 21:29:03,157 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-23 21:29:03,161 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-23 21:29:03,162 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 09:29:00" (1/3) ... [2023-11-23 21:29:03,164 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@509dceb0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:29:03, skipping insertion in model container [2023-11-23 21:29:03,166 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:29:01" (2/3) ... [2023-11-23 21:29:03,167 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@509dceb0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:29:03, skipping insertion in model container [2023-11-23 21:29:03,168 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:29:03" (3/3) ... [2023-11-23 21:29:03,170 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_operatoramount_amount50_file-17.i [2023-11-23 21:29:03,195 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-23 21:29:03,195 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-23 21:29:03,281 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-23 21:29:03,291 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;@25144d08, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-23 21:29:03,292 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-23 21:29:03,297 INFO L276 IsEmpty]: Start isEmpty. Operand has 55 states, 34 states have (on average 1.4411764705882353) internal successors, (49), 35 states have internal predecessors, (49), 18 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2023-11-23 21:29:03,318 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2023-11-23 21:29:03,319 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:29:03,320 INFO L195 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 21:29:03,321 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:29:03,331 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:29:03,331 INFO L85 PathProgramCache]: Analyzing trace with hash 836835348, now seen corresponding path program 1 times [2023-11-23 21:29:03,351 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-23 21:29:03,352 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [388171374] [2023-11-23 21:29:03,352 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:29:03,353 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-23 21:29:03,353 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17d33a3e-2c35-4043-85f6-7ebc7ed61ab6/bin/utaipan-verify-mE87zJ7Ire/mathsat [2023-11-23 21:29:03,359 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17d33a3e-2c35-4043-85f6-7ebc7ed61ab6/bin/utaipan-verify-mE87zJ7Ire/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-23 21:29:03,412 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17d33a3e-2c35-4043-85f6-7ebc7ed61ab6/bin/utaipan-verify-mE87zJ7Ire/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2023-11-23 21:29:03,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:29:03,620 INFO L262 TraceCheckSpWp]: Trace formula consists of 191 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-23 21:29:03,631 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 21:29:03,680 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 298 proven. 0 refuted. 0 times theorem prover too weak. 314 trivial. 0 not checked. [2023-11-23 21:29:03,680 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-23 21:29:03,681 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-23 21:29:03,681 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [388171374] [2023-11-23 21:29:03,682 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [388171374] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 21:29:03,682 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 21:29:03,683 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-23 21:29:03,685 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [922490135] [2023-11-23 21:29:03,686 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 21:29:03,691 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-23 21:29:03,692 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-23 21:29:03,748 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-23 21:29:03,751 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-23 21:29:03,755 INFO L87 Difference]: Start difference. First operand has 55 states, 34 states have (on average 1.4411764705882353) internal successors, (49), 35 states have internal predecessors, (49), 18 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) Second operand has 2 states, 2 states have (on average 16.0) internal successors, (32), 2 states have internal predecessors, (32), 2 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2023-11-23 21:29:04,193 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 21:29:04,193 INFO L93 Difference]: Finished difference Result 107 states and 186 transitions. [2023-11-23 21:29:04,205 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-23 21:29:04,207 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 16.0) internal successors, (32), 2 states have internal predecessors, (32), 2 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Word has length 115 [2023-11-23 21:29:04,207 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 21:29:04,217 INFO L225 Difference]: With dead ends: 107 [2023-11-23 21:29:04,217 INFO L226 Difference]: Without dead ends: 53 [2023-11-23 21:29:04,222 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 114 GetRequests, 114 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-23 21:29:04,226 INFO L413 NwaCegarLoop]: 77 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 77 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-11-23 21:29:04,228 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 77 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-11-23 21:29:04,247 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53 states. [2023-11-23 21:29:04,284 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53 to 53. [2023-11-23 21:29:04,285 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 53 states, 33 states have (on average 1.3333333333333333) internal successors, (44), 33 states have internal predecessors, (44), 18 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2023-11-23 21:29:04,295 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 80 transitions. [2023-11-23 21:29:04,297 INFO L78 Accepts]: Start accepts. Automaton has 53 states and 80 transitions. Word has length 115 [2023-11-23 21:29:04,298 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 21:29:04,298 INFO L495 AbstractCegarLoop]: Abstraction has 53 states and 80 transitions. [2023-11-23 21:29:04,298 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 16.0) internal successors, (32), 2 states have internal predecessors, (32), 2 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2023-11-23 21:29:04,298 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 80 transitions. [2023-11-23 21:29:04,305 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2023-11-23 21:29:04,305 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:29:04,305 INFO L195 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 21:29:04,319 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17d33a3e-2c35-4043-85f6-7ebc7ed61ab6/bin/utaipan-verify-mE87zJ7Ire/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2023-11-23 21:29:04,512 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17d33a3e-2c35-4043-85f6-7ebc7ed61ab6/bin/utaipan-verify-mE87zJ7Ire/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-23 21:29:04,513 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:29:04,514 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:29:04,514 INFO L85 PathProgramCache]: Analyzing trace with hash 1255107480, now seen corresponding path program 1 times [2023-11-23 21:29:04,515 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-23 21:29:04,515 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1949914376] [2023-11-23 21:29:04,516 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:29:04,516 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-23 21:29:04,516 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17d33a3e-2c35-4043-85f6-7ebc7ed61ab6/bin/utaipan-verify-mE87zJ7Ire/mathsat [2023-11-23 21:29:04,517 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17d33a3e-2c35-4043-85f6-7ebc7ed61ab6/bin/utaipan-verify-mE87zJ7Ire/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-23 21:29:04,561 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17d33a3e-2c35-4043-85f6-7ebc7ed61ab6/bin/utaipan-verify-mE87zJ7Ire/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2023-11-23 21:29:04,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:29:04,788 INFO L262 TraceCheckSpWp]: Trace formula consists of 191 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-23 21:29:04,798 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 21:29:05,456 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2023-11-23 21:29:05,456 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-23 21:29:05,456 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-23 21:29:05,457 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1949914376] [2023-11-23 21:29:05,457 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1949914376] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 21:29:05,457 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 21:29:05,458 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-23 21:29:05,458 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1135428399] [2023-11-23 21:29:05,458 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 21:29:05,460 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-23 21:29:05,461 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-23 21:29:05,462 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-23 21:29:05,462 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-11-23 21:29:05,467 INFO L87 Difference]: Start difference. First operand 53 states and 80 transitions. Second operand has 5 states, 5 states have (on average 5.6) internal successors, (28), 4 states have internal predecessors, (28), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2023-11-23 21:29:06,756 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 21:29:06,756 INFO L93 Difference]: Finished difference Result 158 states and 239 transitions. [2023-11-23 21:29:06,772 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-23 21:29:06,773 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.6) internal successors, (28), 4 states have internal predecessors, (28), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) Word has length 115 [2023-11-23 21:29:06,774 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 21:29:06,777 INFO L225 Difference]: With dead ends: 158 [2023-11-23 21:29:06,777 INFO L226 Difference]: Without dead ends: 106 [2023-11-23 21:29:06,779 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 116 GetRequests, 111 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2023-11-23 21:29:06,781 INFO L413 NwaCegarLoop]: 73 mSDtfsCounter, 43 mSDsluCounter, 178 mSDsCounter, 0 mSdLazyCounter, 67 mSolverCounterSat, 38 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 43 SdHoareTripleChecker+Valid, 251 SdHoareTripleChecker+Invalid, 105 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 38 IncrementalHoareTripleChecker+Valid, 67 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2023-11-23 21:29:06,782 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [43 Valid, 251 Invalid, 105 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [38 Valid, 67 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2023-11-23 21:29:06,784 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 106 states. [2023-11-23 21:29:06,819 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 106 to 88. [2023-11-23 21:29:06,819 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 88 states, 49 states have (on average 1.2244897959183674) internal successors, (60), 49 states have internal predecessors, (60), 36 states have call successors, (36), 2 states have call predecessors, (36), 2 states have return successors, (36), 36 states have call predecessors, (36), 36 states have call successors, (36) [2023-11-23 21:29:06,822 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 88 states and 132 transitions. [2023-11-23 21:29:06,822 INFO L78 Accepts]: Start accepts. Automaton has 88 states and 132 transitions. Word has length 115 [2023-11-23 21:29:06,824 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 21:29:06,824 INFO L495 AbstractCegarLoop]: Abstraction has 88 states and 132 transitions. [2023-11-23 21:29:06,825 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.6) internal successors, (28), 4 states have internal predecessors, (28), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2023-11-23 21:29:06,825 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 132 transitions. [2023-11-23 21:29:06,828 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2023-11-23 21:29:06,828 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:29:06,829 INFO L195 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 21:29:06,847 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17d33a3e-2c35-4043-85f6-7ebc7ed61ab6/bin/utaipan-verify-mE87zJ7Ire/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2023-11-23 21:29:07,036 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17d33a3e-2c35-4043-85f6-7ebc7ed61ab6/bin/utaipan-verify-mE87zJ7Ire/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-23 21:29:07,036 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:29:07,037 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:29:07,037 INFO L85 PathProgramCache]: Analyzing trace with hash -725064822, now seen corresponding path program 1 times [2023-11-23 21:29:07,038 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-23 21:29:07,038 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1317981143] [2023-11-23 21:29:07,039 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:29:07,039 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-23 21:29:07,039 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17d33a3e-2c35-4043-85f6-7ebc7ed61ab6/bin/utaipan-verify-mE87zJ7Ire/mathsat [2023-11-23 21:29:07,041 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17d33a3e-2c35-4043-85f6-7ebc7ed61ab6/bin/utaipan-verify-mE87zJ7Ire/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-23 21:29:07,060 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17d33a3e-2c35-4043-85f6-7ebc7ed61ab6/bin/utaipan-verify-mE87zJ7Ire/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2023-11-23 21:29:07,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:29:07,341 INFO L262 TraceCheckSpWp]: Trace formula consists of 194 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-23 21:29:07,351 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 21:29:09,083 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 362 proven. 45 refuted. 0 times theorem prover too weak. 205 trivial. 0 not checked. [2023-11-23 21:29:09,084 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-23 21:29:10,073 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 51 proven. 48 refuted. 0 times theorem prover too weak. 513 trivial. 0 not checked. [2023-11-23 21:29:10,074 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-23 21:29:10,075 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1317981143] [2023-11-23 21:29:10,081 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1317981143] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-23 21:29:10,082 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [29884398] [2023-11-23 21:29:10,083 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:29:10,084 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-23 21:29:10,085 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17d33a3e-2c35-4043-85f6-7ebc7ed61ab6/bin/utaipan-verify-mE87zJ7Ire/cvc4 [2023-11-23 21:29:10,089 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17d33a3e-2c35-4043-85f6-7ebc7ed61ab6/bin/utaipan-verify-mE87zJ7Ire/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-23 21:29:10,131 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17d33a3e-2c35-4043-85f6-7ebc7ed61ab6/bin/utaipan-verify-mE87zJ7Ire/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2023-11-23 21:29:11,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:29:11,193 INFO L262 TraceCheckSpWp]: Trace formula consists of 194 conjuncts, 14 conjunts are in the unsatisfiable core [2023-11-23 21:29:11,202 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 21:29:12,597 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 345 proven. 63 refuted. 0 times theorem prover too weak. 204 trivial. 0 not checked. [2023-11-23 21:29:12,598 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-23 21:29:13,275 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 51 proven. 48 refuted. 0 times theorem prover too weak. 513 trivial. 0 not checked. [2023-11-23 21:29:13,275 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [29884398] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-23 21:29:13,276 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [588769419] [2023-11-23 21:29:13,276 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:29:13,276 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 21:29:13,277 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17d33a3e-2c35-4043-85f6-7ebc7ed61ab6/bin/utaipan-verify-mE87zJ7Ire/z3 [2023-11-23 21:29:13,279 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17d33a3e-2c35-4043-85f6-7ebc7ed61ab6/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-23 21:29:13,311 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17d33a3e-2c35-4043-85f6-7ebc7ed61ab6/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2023-11-23 21:29:13,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:29:13,497 INFO L262 TraceCheckSpWp]: Trace formula consists of 194 conjuncts, 18 conjunts are in the unsatisfiable core [2023-11-23 21:29:13,507 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 21:29:15,713 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 360 proven. 72 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2023-11-23 21:29:15,714 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-23 21:29:17,217 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 78 proven. 66 refuted. 0 times theorem prover too weak. 468 trivial. 0 not checked. [2023-11-23 21:29:17,218 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [588769419] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-23 21:29:17,218 INFO L185 FreeRefinementEngine]: Found 0 perfect and 6 imperfect interpolant sequences. [2023-11-23 21:29:17,218 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 10, 14, 10, 17, 14] total 46 [2023-11-23 21:29:17,219 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [870953501] [2023-11-23 21:29:17,219 INFO L85 oduleStraightlineAll]: Using 6 imperfect interpolants to construct interpolant automaton [2023-11-23 21:29:17,221 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 46 states [2023-11-23 21:29:17,221 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-23 21:29:17,223 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 46 interpolants. [2023-11-23 21:29:17,224 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=511, Invalid=1559, Unknown=0, NotChecked=0, Total=2070 [2023-11-23 21:29:17,225 INFO L87 Difference]: Start difference. First operand 88 states and 132 transitions. Second operand has 46 states, 45 states have (on average 2.8222222222222224) internal successors, (127), 44 states have internal predecessors, (127), 14 states have call successors, (62), 10 states have call predecessors, (62), 18 states have return successors, (65), 14 states have call predecessors, (65), 14 states have call successors, (65) [2023-11-23 21:29:22,164 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 21:29:22,165 INFO L93 Difference]: Finished difference Result 322 states and 441 transitions. [2023-11-23 21:29:22,165 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2023-11-23 21:29:22,166 INFO L78 Accepts]: Start accepts. Automaton has has 46 states, 45 states have (on average 2.8222222222222224) internal successors, (127), 44 states have internal predecessors, (127), 14 states have call successors, (62), 10 states have call predecessors, (62), 18 states have return successors, (65), 14 states have call predecessors, (65), 14 states have call successors, (65) Word has length 116 [2023-11-23 21:29:22,167 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 21:29:22,172 INFO L225 Difference]: With dead ends: 322 [2023-11-23 21:29:22,172 INFO L226 Difference]: Without dead ends: 270 [2023-11-23 21:29:22,177 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 731 GetRequests, 648 SyntacticMatches, 2 SemanticMatches, 81 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2218 ImplicationChecksByTransitivity, 3.9s TimeCoverageRelationStatistics Valid=1660, Invalid=5146, Unknown=0, NotChecked=0, Total=6806 [2023-11-23 21:29:22,178 INFO L413 NwaCegarLoop]: 66 mSDtfsCounter, 655 mSDsluCounter, 492 mSDsCounter, 0 mSdLazyCounter, 911 mSolverCounterSat, 403 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 664 SdHoareTripleChecker+Valid, 558 SdHoareTripleChecker+Invalid, 1314 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 403 IncrementalHoareTripleChecker+Valid, 911 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.3s IncrementalHoareTripleChecker+Time [2023-11-23 21:29:22,179 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [664 Valid, 558 Invalid, 1314 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [403 Valid, 911 Invalid, 0 Unknown, 0 Unchecked, 3.3s Time] [2023-11-23 21:29:22,180 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 270 states. [2023-11-23 21:29:22,234 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 270 to 204. [2023-11-23 21:29:22,235 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 204 states, 127 states have (on average 1.1574803149606299) internal successors, (147), 128 states have internal predecessors, (147), 62 states have call successors, (62), 14 states have call predecessors, (62), 14 states have return successors, (62), 61 states have call predecessors, (62), 62 states have call successors, (62) [2023-11-23 21:29:22,238 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 204 states to 204 states and 271 transitions. [2023-11-23 21:29:22,238 INFO L78 Accepts]: Start accepts. Automaton has 204 states and 271 transitions. Word has length 116 [2023-11-23 21:29:22,239 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 21:29:22,240 INFO L495 AbstractCegarLoop]: Abstraction has 204 states and 271 transitions. [2023-11-23 21:29:22,240 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 46 states, 45 states have (on average 2.8222222222222224) internal successors, (127), 44 states have internal predecessors, (127), 14 states have call successors, (62), 10 states have call predecessors, (62), 18 states have return successors, (65), 14 states have call predecessors, (65), 14 states have call successors, (65) [2023-11-23 21:29:22,240 INFO L276 IsEmpty]: Start isEmpty. Operand 204 states and 271 transitions. [2023-11-23 21:29:22,243 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2023-11-23 21:29:22,243 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:29:22,243 INFO L195 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 21:29:22,256 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17d33a3e-2c35-4043-85f6-7ebc7ed61ab6/bin/utaipan-verify-mE87zJ7Ire/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2023-11-23 21:29:22,461 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17d33a3e-2c35-4043-85f6-7ebc7ed61ab6/bin/utaipan-verify-mE87zJ7Ire/cvc4 --incremental --print-success --lang smt (5)] Forceful destruction successful, exit code 0 [2023-11-23 21:29:22,677 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17d33a3e-2c35-4043-85f6-7ebc7ed61ab6/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2023-11-23 21:29:22,856 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17d33a3e-2c35-4043-85f6-7ebc7ed61ab6/bin/utaipan-verify-mE87zJ7Ire/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17d33a3e-2c35-4043-85f6-7ebc7ed61ab6/bin/utaipan-verify-mE87zJ7Ire/cvc4 --incremental --print-success --lang smt,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17d33a3e-2c35-4043-85f6-7ebc7ed61ab6/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 21:29:22,856 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:29:22,857 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:29:22,857 INFO L85 PathProgramCache]: Analyzing trace with hash 84281804, now seen corresponding path program 1 times [2023-11-23 21:29:22,858 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-23 21:29:22,858 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [889807736] [2023-11-23 21:29:22,858 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:29:22,858 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-23 21:29:22,858 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17d33a3e-2c35-4043-85f6-7ebc7ed61ab6/bin/utaipan-verify-mE87zJ7Ire/mathsat [2023-11-23 21:29:22,860 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17d33a3e-2c35-4043-85f6-7ebc7ed61ab6/bin/utaipan-verify-mE87zJ7Ire/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-23 21:29:22,870 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17d33a3e-2c35-4043-85f6-7ebc7ed61ab6/bin/utaipan-verify-mE87zJ7Ire/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2023-11-23 21:29:23,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:29:23,073 INFO L262 TraceCheckSpWp]: Trace formula consists of 193 conjuncts, 28 conjunts are in the unsatisfiable core [2023-11-23 21:29:23,081 INFO L285 TraceCheckSpWp]: Computing forward predicates...