./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-61.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc 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_1659f834-d3af-4a5a-949c-ed1c6c2e5562/bin/uautomizer-verify-BQ2R08f2Ya/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1659f834-d3af-4a5a-949c-ed1c6c2e5562/bin/uautomizer-verify-BQ2R08f2Ya/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1659f834-d3af-4a5a-949c-ed1c6c2e5562/bin/uautomizer-verify-BQ2R08f2Ya/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1659f834-d3af-4a5a-949c-ed1c6c2e5562/bin/uautomizer-verify-BQ2R08f2Ya/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-61.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1659f834-d3af-4a5a-949c-ed1c6c2e5562/bin/uautomizer-verify-BQ2R08f2Ya/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1659f834-d3af-4a5a-949c-ed1c6c2e5562/bin/uautomizer-verify-BQ2R08f2Ya --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 Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash ac494cf4bb95ee7173afff6e37d6c8217c99c93b386253d4b81910df4df15de3 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-29 00:47:13,832 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-29 00:47:13,892 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1659f834-d3af-4a5a-949c-ed1c6c2e5562/bin/uautomizer-verify-BQ2R08f2Ya/config/svcomp-Reach-32bit-Automizer_Default.epf [2023-11-29 00:47:13,896 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-29 00:47:13,897 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-29 00:47:13,919 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-29 00:47:13,920 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-29 00:47:13,921 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-29 00:47:13,921 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-29 00:47:13,922 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-29 00:47:13,923 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-29 00:47:13,923 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-29 00:47:13,924 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-29 00:47:13,924 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-29 00:47:13,925 INFO L153 SettingsManager]: * Use SBE=true [2023-11-29 00:47:13,926 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-29 00:47:13,926 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-29 00:47:13,927 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-29 00:47:13,927 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-29 00:47:13,927 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-29 00:47:13,928 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-29 00:47:13,929 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-29 00:47:13,929 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-29 00:47:13,929 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-29 00:47:13,930 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-29 00:47:13,930 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-29 00:47:13,930 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-29 00:47:13,931 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-29 00:47:13,931 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-29 00:47:13,932 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-29 00:47:13,932 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-29 00:47:13,932 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-29 00:47:13,933 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-29 00:47:13,933 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-29 00:47:13,933 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-29 00:47:13,934 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-29 00:47:13,934 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-29 00:47:13,934 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-29 00:47:13,934 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-29 00:47:13,934 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-29 00:47:13,935 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-29 00:47:13,935 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-29 00:47:13,935 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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_1659f834-d3af-4a5a-949c-ed1c6c2e5562/bin/uautomizer-verify-BQ2R08f2Ya/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1659f834-d3af-4a5a-949c-ed1c6c2e5562/bin/uautomizer-verify-BQ2R08f2Ya Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ac494cf4bb95ee7173afff6e37d6c8217c99c93b386253d4b81910df4df15de3 [2023-11-29 00:47:14,181 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-29 00:47:14,200 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-29 00:47:14,203 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-29 00:47:14,204 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-29 00:47:14,205 INFO L274 PluginConnector]: CDTParser initialized [2023-11-29 00:47:14,206 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1659f834-d3af-4a5a-949c-ed1c6c2e5562/bin/uautomizer-verify-BQ2R08f2Ya/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-61.i [2023-11-29 00:47:17,030 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-29 00:47:17,200 INFO L384 CDTParser]: Found 1 translation units. [2023-11-29 00:47:17,201 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1659f834-d3af-4a5a-949c-ed1c6c2e5562/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-61.i [2023-11-29 00:47:17,209 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1659f834-d3af-4a5a-949c-ed1c6c2e5562/bin/uautomizer-verify-BQ2R08f2Ya/data/0f8bbe989/a9347ad48c3c4c5a8c274de596fdb94f/FLAG1b383d76a [2023-11-29 00:47:17,222 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1659f834-d3af-4a5a-949c-ed1c6c2e5562/bin/uautomizer-verify-BQ2R08f2Ya/data/0f8bbe989/a9347ad48c3c4c5a8c274de596fdb94f [2023-11-29 00:47:17,224 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-29 00:47:17,226 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-29 00:47:17,227 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-29 00:47:17,227 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-29 00:47:17,231 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-29 00:47:17,232 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 12:47:17" (1/1) ... [2023-11-29 00:47:17,233 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@26d9f590 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 12:47:17, skipping insertion in model container [2023-11-29 00:47:17,233 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 12:47:17" (1/1) ... [2023-11-29 00:47:17,260 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-29 00:47:17,396 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_1659f834-d3af-4a5a-949c-ed1c6c2e5562/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-61.i[916,929] [2023-11-29 00:47:17,459 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 00:47:17,470 INFO L202 MainTranslator]: Completed pre-run [2023-11-29 00:47:17,483 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_1659f834-d3af-4a5a-949c-ed1c6c2e5562/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-61.i[916,929] [2023-11-29 00:47:17,520 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 00:47:17,541 INFO L206 MainTranslator]: Completed translation [2023-11-29 00:47:17,542 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 12:47:17 WrapperNode [2023-11-29 00:47:17,542 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-29 00:47:17,544 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-29 00:47:17,544 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-29 00:47:17,544 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-29 00:47:17,552 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 12:47:17" (1/1) ... [2023-11-29 00:47:17,568 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 12:47:17" (1/1) ... [2023-11-29 00:47:17,611 INFO L138 Inliner]: procedures = 29, calls = 184, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 444 [2023-11-29 00:47:17,612 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-29 00:47:17,612 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-29 00:47:17,613 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-29 00:47:17,613 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-29 00:47:17,624 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 12:47:17" (1/1) ... [2023-11-29 00:47:17,624 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 12:47:17" (1/1) ... [2023-11-29 00:47:17,631 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 12:47:17" (1/1) ... [2023-11-29 00:47:17,651 INFO L175 MemorySlicer]: Split 147 memory accesses to 2 slices as follows [2, 145]. 99 percent of accesses are in the largest equivalence class. The 22 initializations are split as follows [2, 20]. The 23 writes are split as follows [0, 23]. [2023-11-29 00:47:17,651 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 12:47:17" (1/1) ... [2023-11-29 00:47:17,651 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 12:47:17" (1/1) ... [2023-11-29 00:47:17,672 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 12:47:17" (1/1) ... [2023-11-29 00:47:17,677 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 12:47:17" (1/1) ... [2023-11-29 00:47:17,679 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 12:47:17" (1/1) ... [2023-11-29 00:47:17,683 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 12:47:17" (1/1) ... [2023-11-29 00:47:17,688 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-29 00:47:17,689 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-29 00:47:17,689 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-29 00:47:17,690 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-29 00:47:17,690 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 12:47:17" (1/1) ... [2023-11-29 00:47:17,696 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-29 00:47:17,707 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1659f834-d3af-4a5a-949c-ed1c6c2e5562/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 00:47:17,722 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1659f834-d3af-4a5a-949c-ed1c6c2e5562/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2023-11-29 00:47:17,740 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1659f834-d3af-4a5a-949c-ed1c6c2e5562/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2023-11-29 00:47:17,765 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-29 00:47:17,765 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#0 [2023-11-29 00:47:17,765 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#1 [2023-11-29 00:47:17,765 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2023-11-29 00:47:17,766 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2023-11-29 00:47:17,766 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#0 [2023-11-29 00:47:17,766 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#1 [2023-11-29 00:47:17,766 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2023-11-29 00:47:17,766 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2023-11-29 00:47:17,767 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#0 [2023-11-29 00:47:17,767 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#1 [2023-11-29 00:47:17,767 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-29 00:47:17,767 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-29 00:47:17,767 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-11-29 00:47:17,767 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2023-11-29 00:47:17,768 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-29 00:47:17,768 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-29 00:47:17,906 INFO L241 CfgBuilder]: Building ICFG [2023-11-29 00:47:17,908 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-29 00:47:18,345 INFO L282 CfgBuilder]: Performing block encoding [2023-11-29 00:47:18,383 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-29 00:47:18,384 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-29 00:47:18,384 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 12:47:18 BoogieIcfgContainer [2023-11-29 00:47:18,384 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-29 00:47:18,387 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-29 00:47:18,387 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-29 00:47:18,390 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-29 00:47:18,390 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.11 12:47:17" (1/3) ... [2023-11-29 00:47:18,390 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6169bdd6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 12:47:18, skipping insertion in model container [2023-11-29 00:47:18,391 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 12:47:17" (2/3) ... [2023-11-29 00:47:18,391 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6169bdd6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 12:47:18, skipping insertion in model container [2023-11-29 00:47:18,391 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 12:47:18" (3/3) ... [2023-11-29 00:47:18,393 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_wrapper-s_file-61.i [2023-11-29 00:47:18,408 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-29 00:47:18,408 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-29 00:47:18,452 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-29 00:47:18,458 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, 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;@52db4948, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-29 00:47:18,458 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-29 00:47:18,462 INFO L276 IsEmpty]: Start isEmpty. Operand has 113 states, 85 states have (on average 1.388235294117647) internal successors, (118), 86 states have internal predecessors, (118), 25 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) [2023-11-29 00:47:18,479 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 186 [2023-11-29 00:47:18,479 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 00:47:18,480 INFO L195 NwaCegarLoop]: trace histogram [25, 25, 25, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 00:47:18,480 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 00:47:18,484 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 00:47:18,485 INFO L85 PathProgramCache]: Analyzing trace with hash -1217593208, now seen corresponding path program 1 times [2023-11-29 00:47:18,492 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 00:47:18,492 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1146468100] [2023-11-29 00:47:18,492 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:47:18,493 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 00:47:18,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:47:18,797 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-29 00:47:18,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:47:18,804 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-11-29 00:47:18,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:47:18,809 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-11-29 00:47:18,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:47:18,813 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-11-29 00:47:18,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:47:18,818 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2023-11-29 00:47:18,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:47:18,822 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2023-11-29 00:47:18,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:47:18,826 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2023-11-29 00:47:18,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:47:18,831 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2023-11-29 00:47:18,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:47:18,835 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2023-11-29 00:47:18,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:47:18,839 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2023-11-29 00:47:18,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:47:18,843 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2023-11-29 00:47:18,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:47:18,846 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2023-11-29 00:47:18,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:47:18,850 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2023-11-29 00:47:18,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:47:18,853 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2023-11-29 00:47:18,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:47:18,857 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2023-11-29 00:47:18,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:47:18,863 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2023-11-29 00:47:18,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:47:18,867 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2023-11-29 00:47:18,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:47:18,871 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2023-11-29 00:47:18,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:47:18,875 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2023-11-29 00:47:18,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:47:18,879 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2023-11-29 00:47:18,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:47:18,884 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2023-11-29 00:47:18,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:47:18,887 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2023-11-29 00:47:18,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:47:18,890 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2023-11-29 00:47:18,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:47:18,893 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2023-11-29 00:47:18,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:47:18,897 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2023-11-29 00:47:18,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:47:18,903 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1200 trivial. 0 not checked. [2023-11-29 00:47:18,904 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 00:47:18,904 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1146468100] [2023-11-29 00:47:18,905 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1146468100] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 00:47:18,905 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 00:47:18,905 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 00:47:18,906 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [862659849] [2023-11-29 00:47:18,907 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 00:47:18,911 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-29 00:47:18,911 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 00:47:18,947 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-29 00:47:18,947 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-29 00:47:18,949 INFO L87 Difference]: Start difference. First operand has 113 states, 85 states have (on average 1.388235294117647) internal successors, (118), 86 states have internal predecessors, (118), 25 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) Second operand has 2 states, 2 states have (on average 31.5) internal successors, (63), 2 states have internal predecessors, (63), 2 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 1 states have call predecessors, (25), 2 states have call successors, (25) [2023-11-29 00:47:18,995 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 00:47:18,995 INFO L93 Difference]: Finished difference Result 223 states and 359 transitions. [2023-11-29 00:47:18,996 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-29 00:47:18,998 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 31.5) internal successors, (63), 2 states have internal predecessors, (63), 2 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 1 states have call predecessors, (25), 2 states have call successors, (25) Word has length 185 [2023-11-29 00:47:18,998 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 00:47:19,006 INFO L225 Difference]: With dead ends: 223 [2023-11-29 00:47:19,006 INFO L226 Difference]: Without dead ends: 111 [2023-11-29 00:47:19,010 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 77 GetRequests, 77 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-29 00:47:19,013 INFO L413 NwaCegarLoop]: 159 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 159 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-29 00:47:19,014 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 159 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-29 00:47:19,027 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 111 states. [2023-11-29 00:47:19,054 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 111 to 111. [2023-11-29 00:47:19,055 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 111 states, 84 states have (on average 1.3452380952380953) internal successors, (113), 84 states have internal predecessors, (113), 25 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) [2023-11-29 00:47:19,058 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 111 states and 163 transitions. [2023-11-29 00:47:19,060 INFO L78 Accepts]: Start accepts. Automaton has 111 states and 163 transitions. Word has length 185 [2023-11-29 00:47:19,060 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 00:47:19,060 INFO L495 AbstractCegarLoop]: Abstraction has 111 states and 163 transitions. [2023-11-29 00:47:19,061 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 31.5) internal successors, (63), 2 states have internal predecessors, (63), 2 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 1 states have call predecessors, (25), 2 states have call successors, (25) [2023-11-29 00:47:19,061 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 163 transitions. [2023-11-29 00:47:19,065 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 186 [2023-11-29 00:47:19,065 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 00:47:19,066 INFO L195 NwaCegarLoop]: trace histogram [25, 25, 25, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 00:47:19,066 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-29 00:47:19,066 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 00:47:19,067 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 00:47:19,067 INFO L85 PathProgramCache]: Analyzing trace with hash 1164152566, now seen corresponding path program 1 times [2023-11-29 00:47:19,067 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 00:47:19,067 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [927031403] [2023-11-29 00:47:19,068 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:47:19,068 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 00:47:19,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:47:19,398 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-29 00:47:19,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:47:19,402 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-11-29 00:47:19,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:47:19,406 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-11-29 00:47:19,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:47:19,408 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-11-29 00:47:19,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:47:19,411 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2023-11-29 00:47:19,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:47:19,414 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2023-11-29 00:47:19,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:47:19,416 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2023-11-29 00:47:19,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:47:19,421 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2023-11-29 00:47:19,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:47:19,423 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2023-11-29 00:47:19,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:47:19,426 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2023-11-29 00:47:19,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:47:19,429 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2023-11-29 00:47:19,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:47:19,431 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2023-11-29 00:47:19,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:47:19,433 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2023-11-29 00:47:19,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:47:19,436 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2023-11-29 00:47:19,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:47:19,439 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2023-11-29 00:47:19,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:47:19,441 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2023-11-29 00:47:19,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:47:19,444 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2023-11-29 00:47:19,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:47:19,447 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2023-11-29 00:47:19,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:47:19,449 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2023-11-29 00:47:19,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:47:19,452 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2023-11-29 00:47:19,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:47:19,455 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2023-11-29 00:47:19,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:47:19,457 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2023-11-29 00:47:19,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:47:19,460 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2023-11-29 00:47:19,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:47:19,462 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2023-11-29 00:47:19,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:47:19,465 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2023-11-29 00:47:19,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:47:19,469 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1200 trivial. 0 not checked. [2023-11-29 00:47:19,469 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 00:47:19,470 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [927031403] [2023-11-29 00:47:19,470 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [927031403] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 00:47:19,470 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 00:47:19,470 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-29 00:47:19,471 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1655990034] [2023-11-29 00:47:19,471 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 00:47:19,473 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-29 00:47:19,473 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 00:47:19,474 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-29 00:47:19,474 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-29 00:47:19,474 INFO L87 Difference]: Start difference. First operand 111 states and 163 transitions. Second operand has 4 states, 4 states have (on average 15.75) internal successors, (63), 4 states have internal predecessors, (63), 1 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 1 states have call predecessors, (25), 1 states have call successors, (25) [2023-11-29 00:47:19,539 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 00:47:19,540 INFO L93 Difference]: Finished difference Result 233 states and 342 transitions. [2023-11-29 00:47:19,540 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-29 00:47:19,541 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 15.75) internal successors, (63), 4 states have internal predecessors, (63), 1 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 1 states have call predecessors, (25), 1 states have call successors, (25) Word has length 185 [2023-11-29 00:47:19,542 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 00:47:19,545 INFO L225 Difference]: With dead ends: 233 [2023-11-29 00:47:19,545 INFO L226 Difference]: Without dead ends: 123 [2023-11-29 00:47:19,546 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 52 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-29 00:47:19,548 INFO L413 NwaCegarLoop]: 156 mSDtfsCounter, 21 mSDsluCounter, 312 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 21 SdHoareTripleChecker+Valid, 468 SdHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-29 00:47:19,549 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [21 Valid, 468 Invalid, 26 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-29 00:47:19,550 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 123 states. [2023-11-29 00:47:19,562 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 123 to 113. [2023-11-29 00:47:19,563 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 113 states, 86 states have (on average 1.3372093023255813) internal successors, (115), 86 states have internal predecessors, (115), 25 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) [2023-11-29 00:47:19,565 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 113 states and 165 transitions. [2023-11-29 00:47:19,565 INFO L78 Accepts]: Start accepts. Automaton has 113 states and 165 transitions. Word has length 185 [2023-11-29 00:47:19,567 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 00:47:19,567 INFO L495 AbstractCegarLoop]: Abstraction has 113 states and 165 transitions. [2023-11-29 00:47:19,568 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 15.75) internal successors, (63), 4 states have internal predecessors, (63), 1 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 1 states have call predecessors, (25), 1 states have call successors, (25) [2023-11-29 00:47:19,568 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 165 transitions. [2023-11-29 00:47:19,571 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 186 [2023-11-29 00:47:19,572 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 00:47:19,572 INFO L195 NwaCegarLoop]: trace histogram [25, 25, 25, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 00:47:19,572 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-29 00:47:19,572 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 00:47:19,573 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 00:47:19,573 INFO L85 PathProgramCache]: Analyzing trace with hash 354805940, now seen corresponding path program 1 times [2023-11-29 00:47:19,573 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 00:47:19,574 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1052779805] [2023-11-29 00:47:19,574 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:47:19,574 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 00:47:19,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:47:19,753 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-29 00:47:19,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:47:19,755 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-11-29 00:47:19,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:47:19,758 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-11-29 00:47:19,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:47:19,761 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-11-29 00:47:19,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:47:19,763 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2023-11-29 00:47:19,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:47:19,766 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2023-11-29 00:47:19,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:47:19,769 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2023-11-29 00:47:19,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:47:19,772 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2023-11-29 00:47:19,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:47:19,775 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2023-11-29 00:47:19,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:47:19,777 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2023-11-29 00:47:19,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:47:19,780 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2023-11-29 00:47:19,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:47:19,782 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2023-11-29 00:47:19,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:47:19,785 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2023-11-29 00:47:19,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:47:19,787 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2023-11-29 00:47:19,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:47:19,789 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2023-11-29 00:47:19,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:47:19,791 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2023-11-29 00:47:19,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:47:19,793 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2023-11-29 00:47:19,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:47:19,795 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2023-11-29 00:47:19,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:47:19,797 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2023-11-29 00:47:19,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:47:19,800 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2023-11-29 00:47:19,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:47:19,803 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2023-11-29 00:47:19,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:47:19,804 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2023-11-29 00:47:19,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:47:19,806 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2023-11-29 00:47:19,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:47:19,808 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2023-11-29 00:47:19,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:47:19,811 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2023-11-29 00:47:19,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:47:19,814 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1200 trivial. 0 not checked. [2023-11-29 00:47:19,815 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 00:47:19,815 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1052779805] [2023-11-29 00:47:19,815 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1052779805] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 00:47:19,815 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 00:47:19,815 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-29 00:47:19,816 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1660660662] [2023-11-29 00:47:19,816 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 00:47:19,817 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-29 00:47:19,817 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 00:47:19,818 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-29 00:47:19,818 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-29 00:47:19,818 INFO L87 Difference]: Start difference. First operand 113 states and 165 transitions. Second operand has 4 states, 4 states have (on average 15.75) internal successors, (63), 4 states have internal predecessors, (63), 1 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 1 states have call predecessors, (25), 1 states have call successors, (25) [2023-11-29 00:47:19,862 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 00:47:19,862 INFO L93 Difference]: Finished difference Result 229 states and 334 transitions. [2023-11-29 00:47:19,863 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-29 00:47:19,863 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 15.75) internal successors, (63), 4 states have internal predecessors, (63), 1 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 1 states have call predecessors, (25), 1 states have call successors, (25) Word has length 185 [2023-11-29 00:47:19,864 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 00:47:19,866 INFO L225 Difference]: With dead ends: 229 [2023-11-29 00:47:19,866 INFO L226 Difference]: Without dead ends: 117 [2023-11-29 00:47:19,867 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 52 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-29 00:47:19,868 INFO L413 NwaCegarLoop]: 157 mSDtfsCounter, 3 mSDsluCounter, 309 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 466 SdHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-29 00:47:19,869 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 466 Invalid, 22 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-29 00:47:19,870 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 117 states. [2023-11-29 00:47:19,879 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 117 to 115. [2023-11-29 00:47:19,880 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 115 states, 88 states have (on average 1.3295454545454546) internal successors, (117), 88 states have internal predecessors, (117), 25 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) [2023-11-29 00:47:19,881 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 115 states and 167 transitions. [2023-11-29 00:47:19,882 INFO L78 Accepts]: Start accepts. Automaton has 115 states and 167 transitions. Word has length 185 [2023-11-29 00:47:19,882 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 00:47:19,883 INFO L495 AbstractCegarLoop]: Abstraction has 115 states and 167 transitions. [2023-11-29 00:47:19,883 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 15.75) internal successors, (63), 4 states have internal predecessors, (63), 1 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 1 states have call predecessors, (25), 1 states have call successors, (25) [2023-11-29 00:47:19,883 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 167 transitions. [2023-11-29 00:47:19,886 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 186 [2023-11-29 00:47:19,886 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 00:47:19,886 INFO L195 NwaCegarLoop]: trace histogram [25, 25, 25, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 00:47:19,886 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-29 00:47:19,886 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 00:47:19,887 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 00:47:19,887 INFO L85 PathProgramCache]: Analyzing trace with hash 354865522, now seen corresponding path program 1 times [2023-11-29 00:47:19,887 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 00:47:19,887 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [234653474] [2023-11-29 00:47:19,887 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:47:19,888 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 00:47:20,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:47:22,489 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-29 00:47:22,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:47:22,492 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-11-29 00:47:22,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:47:22,495 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-11-29 00:47:22,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:47:22,497 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-11-29 00:47:22,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:47:22,499 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2023-11-29 00:47:22,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:47:22,502 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2023-11-29 00:47:22,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:47:22,505 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2023-11-29 00:47:22,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:47:22,508 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2023-11-29 00:47:22,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:47:22,511 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2023-11-29 00:47:22,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:47:22,514 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2023-11-29 00:47:22,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:47:22,517 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2023-11-29 00:47:22,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:47:22,519 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2023-11-29 00:47:22,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:47:22,522 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2023-11-29 00:47:22,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:47:22,524 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2023-11-29 00:47:22,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:47:22,526 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2023-11-29 00:47:22,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:47:22,529 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2023-11-29 00:47:22,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:47:22,531 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2023-11-29 00:47:22,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:47:22,534 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2023-11-29 00:47:22,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:47:22,536 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2023-11-29 00:47:22,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:47:22,539 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2023-11-29 00:47:22,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:47:22,542 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2023-11-29 00:47:22,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:47:22,544 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2023-11-29 00:47:22,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:47:22,552 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2023-11-29 00:47:22,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:47:22,556 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2023-11-29 00:47:22,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:47:22,559 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2023-11-29 00:47:22,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:47:22,563 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1200 trivial. 0 not checked. [2023-11-29 00:47:22,563 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 00:47:22,563 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [234653474] [2023-11-29 00:47:22,564 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [234653474] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 00:47:22,564 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 00:47:22,564 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-11-29 00:47:22,564 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1327099586] [2023-11-29 00:47:22,564 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 00:47:22,565 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-29 00:47:22,565 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 00:47:22,566 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-29 00:47:22,566 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2023-11-29 00:47:22,567 INFO L87 Difference]: Start difference. First operand 115 states and 167 transitions. Second operand has 7 states, 5 states have (on average 12.6) internal successors, (63), 7 states have internal predecessors, (63), 3 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 1 states have call predecessors, (25), 3 states have call successors, (25) [2023-11-29 00:47:23,091 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 00:47:23,091 INFO L93 Difference]: Finished difference Result 293 states and 423 transitions. [2023-11-29 00:47:23,091 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-29 00:47:23,092 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 5 states have (on average 12.6) internal successors, (63), 7 states have internal predecessors, (63), 3 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 1 states have call predecessors, (25), 3 states have call successors, (25) Word has length 185 [2023-11-29 00:47:23,093 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 00:47:23,095 INFO L225 Difference]: With dead ends: 293 [2023-11-29 00:47:23,095 INFO L226 Difference]: Without dead ends: 179 [2023-11-29 00:47:23,096 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 64 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2023-11-29 00:47:23,097 INFO L413 NwaCegarLoop]: 114 mSDtfsCounter, 212 mSDsluCounter, 363 mSDsCounter, 0 mSdLazyCounter, 329 mSolverCounterSat, 43 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 214 SdHoareTripleChecker+Valid, 477 SdHoareTripleChecker+Invalid, 372 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 43 IncrementalHoareTripleChecker+Valid, 329 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2023-11-29 00:47:23,097 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [214 Valid, 477 Invalid, 372 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [43 Valid, 329 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2023-11-29 00:47:23,099 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 179 states. [2023-11-29 00:47:23,115 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 179 to 176. [2023-11-29 00:47:23,116 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 176 states, 144 states have (on average 1.3611111111111112) internal successors, (196), 145 states have internal predecessors, (196), 29 states have call successors, (29), 2 states have call predecessors, (29), 2 states have return successors, (29), 28 states have call predecessors, (29), 29 states have call successors, (29) [2023-11-29 00:47:23,118 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 176 states to 176 states and 254 transitions. [2023-11-29 00:47:23,118 INFO L78 Accepts]: Start accepts. Automaton has 176 states and 254 transitions. Word has length 185 [2023-11-29 00:47:23,119 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 00:47:23,119 INFO L495 AbstractCegarLoop]: Abstraction has 176 states and 254 transitions. [2023-11-29 00:47:23,119 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 5 states have (on average 12.6) internal successors, (63), 7 states have internal predecessors, (63), 3 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 1 states have call predecessors, (25), 3 states have call successors, (25) [2023-11-29 00:47:23,119 INFO L276 IsEmpty]: Start isEmpty. Operand 176 states and 254 transitions. [2023-11-29 00:47:23,122 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 186 [2023-11-29 00:47:23,123 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 00:47:23,123 INFO L195 NwaCegarLoop]: trace histogram [25, 25, 25, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 00:47:23,123 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-11-29 00:47:23,123 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 00:47:23,124 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 00:47:23,124 INFO L85 PathProgramCache]: Analyzing trace with hash -154607568, now seen corresponding path program 1 times [2023-11-29 00:47:23,124 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 00:47:23,124 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1717350349] [2023-11-29 00:47:23,124 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:47:23,125 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 00:47:23,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:47:25,736 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-29 00:47:25,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:47:25,738 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-11-29 00:47:25,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:47:25,740 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-11-29 00:47:25,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:47:25,742 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-11-29 00:47:25,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:47:25,744 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2023-11-29 00:47:25,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:47:25,746 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2023-11-29 00:47:25,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:47:25,748 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2023-11-29 00:47:25,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:47:25,749 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2023-11-29 00:47:25,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:47:25,751 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2023-11-29 00:47:25,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:47:25,752 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2023-11-29 00:47:25,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:47:25,754 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2023-11-29 00:47:25,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:47:25,756 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2023-11-29 00:47:25,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:47:25,757 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2023-11-29 00:47:25,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:47:25,759 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2023-11-29 00:47:25,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:47:25,761 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2023-11-29 00:47:25,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:47:25,763 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2023-11-29 00:47:25,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:47:25,766 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2023-11-29 00:47:25,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:47:25,767 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2023-11-29 00:47:25,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:47:25,769 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2023-11-29 00:47:25,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:47:25,772 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2023-11-29 00:47:25,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:47:25,773 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2023-11-29 00:47:25,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:47:25,775 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2023-11-29 00:47:25,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:47:25,778 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2023-11-29 00:47:25,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:47:25,780 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2023-11-29 00:47:25,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:47:25,782 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2023-11-29 00:47:25,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:47:25,785 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1200 trivial. 0 not checked. [2023-11-29 00:47:25,785 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 00:47:25,785 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1717350349] [2023-11-29 00:47:25,786 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1717350349] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 00:47:25,786 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 00:47:25,786 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-11-29 00:47:25,786 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1347774191] [2023-11-29 00:47:25,786 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 00:47:25,787 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-29 00:47:25,787 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 00:47:25,788 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-29 00:47:25,788 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2023-11-29 00:47:25,788 INFO L87 Difference]: Start difference. First operand 176 states and 254 transitions. Second operand has 7 states, 6 states have (on average 10.5) internal successors, (63), 7 states have internal predecessors, (63), 2 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 1 states have call predecessors, (25), 2 states have call successors, (25) [2023-11-29 00:47:26,296 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 00:47:26,296 INFO L93 Difference]: Finished difference Result 511 states and 732 transitions. [2023-11-29 00:47:26,297 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-11-29 00:47:26,297 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 10.5) internal successors, (63), 7 states have internal predecessors, (63), 2 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 1 states have call predecessors, (25), 2 states have call successors, (25) Word has length 185 [2023-11-29 00:47:26,298 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 00:47:26,301 INFO L225 Difference]: With dead ends: 511 [2023-11-29 00:47:26,302 INFO L226 Difference]: Without dead ends: 336 [2023-11-29 00:47:26,302 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 78 GetRequests, 69 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=34, Invalid=76, Unknown=0, NotChecked=0, Total=110 [2023-11-29 00:47:26,303 INFO L413 NwaCegarLoop]: 145 mSDtfsCounter, 153 mSDsluCounter, 583 mSDsCounter, 0 mSdLazyCounter, 333 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 154 SdHoareTripleChecker+Valid, 728 SdHoareTripleChecker+Invalid, 337 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 333 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-11-29 00:47:26,304 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [154 Valid, 728 Invalid, 337 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 333 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-11-29 00:47:26,305 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 336 states. [2023-11-29 00:47:26,324 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 336 to 278. [2023-11-29 00:47:26,325 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 278 states, 240 states have (on average 1.375) internal successors, (330), 243 states have internal predecessors, (330), 33 states have call successors, (33), 4 states have call predecessors, (33), 4 states have return successors, (33), 30 states have call predecessors, (33), 33 states have call successors, (33) [2023-11-29 00:47:26,326 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 278 states to 278 states and 396 transitions. [2023-11-29 00:47:26,327 INFO L78 Accepts]: Start accepts. Automaton has 278 states and 396 transitions. Word has length 185 [2023-11-29 00:47:26,327 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 00:47:26,327 INFO L495 AbstractCegarLoop]: Abstraction has 278 states and 396 transitions. [2023-11-29 00:47:26,327 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 10.5) internal successors, (63), 7 states have internal predecessors, (63), 2 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 1 states have call predecessors, (25), 2 states have call successors, (25) [2023-11-29 00:47:26,327 INFO L276 IsEmpty]: Start isEmpty. Operand 278 states and 396 transitions. [2023-11-29 00:47:26,330 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 186 [2023-11-29 00:47:26,330 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 00:47:26,330 INFO L195 NwaCegarLoop]: trace histogram [25, 25, 25, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 00:47:26,330 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-11-29 00:47:26,330 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 00:47:26,331 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 00:47:26,331 INFO L85 PathProgramCache]: Analyzing trace with hash -1742955470, now seen corresponding path program 1 times [2023-11-29 00:47:26,331 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 00:47:26,331 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [337818669] [2023-11-29 00:47:26,331 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:47:26,331 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 00:47:26,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:47:27,628 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-29 00:47:27,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:47:27,630 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-11-29 00:47:27,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:47:27,632 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-11-29 00:47:27,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:47:27,634 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-11-29 00:47:27,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:47:27,635 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2023-11-29 00:47:27,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:47:27,665 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2023-11-29 00:47:27,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:47:27,670 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2023-11-29 00:47:27,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:47:27,674 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2023-11-29 00:47:27,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:47:27,678 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2023-11-29 00:47:27,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:47:27,682 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2023-11-29 00:47:27,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:47:27,686 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2023-11-29 00:47:27,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:47:27,689 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2023-11-29 00:47:27,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:47:27,694 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2023-11-29 00:47:27,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:47:27,698 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2023-11-29 00:47:27,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:47:27,703 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2023-11-29 00:47:27,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:47:27,709 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2023-11-29 00:47:27,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:47:27,714 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2023-11-29 00:47:27,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:47:27,718 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2023-11-29 00:47:27,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:47:27,723 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2023-11-29 00:47:27,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:47:27,727 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2023-11-29 00:47:27,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:47:27,741 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2023-11-29 00:47:27,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:47:27,745 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2023-11-29 00:47:27,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:47:27,750 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2023-11-29 00:47:27,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:47:27,753 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2023-11-29 00:47:27,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:47:27,758 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2023-11-29 00:47:27,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:47:27,763 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 12 proven. 60 refuted. 0 times theorem prover too weak. 1128 trivial. 0 not checked. [2023-11-29 00:47:27,763 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 00:47:27,763 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [337818669] [2023-11-29 00:47:27,763 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [337818669] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 00:47:27,763 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [185191733] [2023-11-29 00:47:27,764 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:47:27,764 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 00:47:27,764 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1659f834-d3af-4a5a-949c-ed1c6c2e5562/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 00:47:27,766 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1659f834-d3af-4a5a-949c-ed1c6c2e5562/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 00:47:27,769 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1659f834-d3af-4a5a-949c-ed1c6c2e5562/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-29 00:47:28,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:47:28,200 INFO L262 TraceCheckSpWp]: Trace formula consists of 588 conjuncts, 32 conjunts are in the unsatisfiable core [2023-11-29 00:47:28,218 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 00:47:28,322 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 43 treesize of output 21 [2023-11-29 00:47:28,370 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 43 treesize of output 21 [2023-11-29 00:47:28,413 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 43 treesize of output 21 [2023-11-29 00:47:28,456 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 43 treesize of output 21 [2023-11-29 00:47:28,502 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 43 treesize of output 21 [2023-11-29 00:47:28,543 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 43 treesize of output 21 [2023-11-29 00:47:28,588 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 43 treesize of output 21 [2023-11-29 00:47:28,631 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 43 treesize of output 21 [2023-11-29 00:47:28,676 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 43 treesize of output 21 [2023-11-29 00:47:28,721 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 43 treesize of output 21 [2023-11-29 00:47:28,758 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 15 [2023-11-29 00:47:28,776 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 352 proven. 60 refuted. 0 times theorem prover too weak. 788 trivial. 0 not checked. [2023-11-29 00:47:28,776 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 00:47:29,207 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 12 proven. 60 refuted. 0 times theorem prover too weak. 1128 trivial. 0 not checked. [2023-11-29 00:47:29,208 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [185191733] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-29 00:47:29,208 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-29 00:47:29,208 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 7] total 11 [2023-11-29 00:47:29,208 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2121200259] [2023-11-29 00:47:29,208 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-29 00:47:29,209 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-11-29 00:47:29,209 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 00:47:29,210 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-11-29 00:47:29,210 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2023-11-29 00:47:29,211 INFO L87 Difference]: Start difference. First operand 278 states and 396 transitions. Second operand has 11 states, 8 states have (on average 9.25) internal successors, (74), 11 states have internal predecessors, (74), 5 states have call successors, (47), 2 states have call predecessors, (47), 4 states have return successors, (47), 2 states have call predecessors, (47), 5 states have call successors, (47) [2023-11-29 00:47:29,979 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 00:47:29,979 INFO L93 Difference]: Finished difference Result 472 states and 663 transitions. [2023-11-29 00:47:29,980 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-11-29 00:47:29,980 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 8 states have (on average 9.25) internal successors, (74), 11 states have internal predecessors, (74), 5 states have call successors, (47), 2 states have call predecessors, (47), 4 states have return successors, (47), 2 states have call predecessors, (47), 5 states have call successors, (47) Word has length 185 [2023-11-29 00:47:29,980 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 00:47:29,982 INFO L225 Difference]: With dead ends: 472 [2023-11-29 00:47:29,982 INFO L226 Difference]: Without dead ends: 195 [2023-11-29 00:47:29,983 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 440 GetRequests, 410 SyntacticMatches, 15 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=75, Invalid=197, Unknown=0, NotChecked=0, Total=272 [2023-11-29 00:47:29,984 INFO L413 NwaCegarLoop]: 73 mSDtfsCounter, 158 mSDsluCounter, 247 mSDsCounter, 0 mSdLazyCounter, 753 mSolverCounterSat, 31 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 163 SdHoareTripleChecker+Valid, 320 SdHoareTripleChecker+Invalid, 784 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 31 IncrementalHoareTripleChecker+Valid, 753 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2023-11-29 00:47:29,984 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [163 Valid, 320 Invalid, 784 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [31 Valid, 753 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2023-11-29 00:47:29,985 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 195 states. [2023-11-29 00:47:30,006 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 195 to 186. [2023-11-29 00:47:30,007 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 186 states, 149 states have (on average 1.3154362416107384) internal successors, (196), 151 states have internal predecessors, (196), 31 states have call successors, (31), 5 states have call predecessors, (31), 5 states have return successors, (31), 29 states have call predecessors, (31), 31 states have call successors, (31) [2023-11-29 00:47:30,009 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 186 states to 186 states and 258 transitions. [2023-11-29 00:47:30,009 INFO L78 Accepts]: Start accepts. Automaton has 186 states and 258 transitions. Word has length 185 [2023-11-29 00:47:30,009 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 00:47:30,010 INFO L495 AbstractCegarLoop]: Abstraction has 186 states and 258 transitions. [2023-11-29 00:47:30,010 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 8 states have (on average 9.25) internal successors, (74), 11 states have internal predecessors, (74), 5 states have call successors, (47), 2 states have call predecessors, (47), 4 states have return successors, (47), 2 states have call predecessors, (47), 5 states have call successors, (47) [2023-11-29 00:47:30,010 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states and 258 transitions. [2023-11-29 00:47:30,012 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2023-11-29 00:47:30,012 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 00:47:30,013 INFO L195 NwaCegarLoop]: trace histogram [25, 25, 25, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 00:47:30,020 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1659f834-d3af-4a5a-949c-ed1c6c2e5562/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-11-29 00:47:30,213 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1659f834-d3af-4a5a-949c-ed1c6c2e5562/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2023-11-29 00:47:30,214 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 00:47:30,214 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 00:47:30,214 INFO L85 PathProgramCache]: Analyzing trace with hash 683026041, now seen corresponding path program 1 times [2023-11-29 00:47:30,214 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 00:47:30,214 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1318400142] [2023-11-29 00:47:30,214 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:47:30,214 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 00:47:30,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 00:47:30,401 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-29 00:47:30,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 00:47:30,579 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-29 00:47:30,579 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-29 00:47:30,580 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-29 00:47:30,583 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-11-29 00:47:30,586 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1] [2023-11-29 00:47:30,590 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-29 00:47:30,629 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem41 could not be translated [2023-11-29 00:47:30,630 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem42 could not be translated [2023-11-29 00:47:30,630 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem44 could not be translated [2023-11-29 00:47:30,631 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem45 could not be translated [2023-11-29 00:47:30,632 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem47 could not be translated [2023-11-29 00:47:30,632 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem48 could not be translated [2023-11-29 00:47:30,633 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem50 could not be translated [2023-11-29 00:47:30,633 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem51 could not be translated [2023-11-29 00:47:30,634 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem53 could not be translated [2023-11-29 00:47:30,634 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem54 could not be translated [2023-11-29 00:47:30,635 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem56 could not be translated [2023-11-29 00:47:30,635 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem57 could not be translated [2023-11-29 00:47:30,636 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem59 could not be translated [2023-11-29 00:47:30,636 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem60 could not be translated [2023-11-29 00:47:30,637 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem62 could not be translated [2023-11-29 00:47:30,637 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem63 could not be translated [2023-11-29 00:47:30,638 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem65 could not be translated [2023-11-29 00:47:30,638 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem66 could not be translated [2023-11-29 00:47:30,639 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem68 could not be translated [2023-11-29 00:47:30,639 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem69 could not be translated [2023-11-29 00:47:30,640 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem71 could not be translated [2023-11-29 00:47:30,640 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem72 could not be translated [2023-11-29 00:47:30,641 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem74 could not be translated [2023-11-29 00:47:30,641 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem75 could not be translated [2023-11-29 00:47:30,642 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem77 could not be translated [2023-11-29 00:47:30,642 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem78 could not be translated [2023-11-29 00:47:30,642 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem77 could not be translated [2023-11-29 00:47:30,643 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem77 could not be translated [2023-11-29 00:47:30,643 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short79 could not be translated [2023-11-29 00:47:30,643 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short83 could not be translated [2023-11-29 00:47:30,643 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem78 could not be translated [2023-11-29 00:47:30,644 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem77 could not be translated [2023-11-29 00:47:30,644 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short79 could not be translated [2023-11-29 00:47:30,644 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem78 could not be translated [2023-11-29 00:47:30,644 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short83 could not be translated [2023-11-29 00:47:30,645 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem5 could not be translated [2023-11-29 00:47:30,645 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem7 could not be translated [2023-11-29 00:47:30,645 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem10 could not be translated [2023-11-29 00:47:30,645 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem6 could not be translated [2023-11-29 00:47:30,646 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ite9 could not be translated [2023-11-29 00:47:30,646 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem16 could not be translated [2023-11-29 00:47:30,646 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short18 could not be translated [2023-11-29 00:47:30,647 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem32 could not be translated [2023-11-29 00:47:30,647 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem34 could not be translated [2023-11-29 00:47:30,647 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ite36 could not be translated [2023-11-29 00:47:30,647 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem37 could not be translated [2023-11-29 00:47:30,648 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem33 could not be translated [2023-11-29 00:47:30,648 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem90 could not be translated [2023-11-29 00:47:30,648 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem91 could not be translated [2023-11-29 00:47:30,649 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem95 could not be translated [2023-11-29 00:47:30,649 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem84 could not be translated [2023-11-29 00:47:30,649 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem94 could not be translated [2023-11-29 00:47:30,649 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem85 could not be translated [2023-11-29 00:47:30,649 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ite96 could not be translated [2023-11-29 00:47:30,650 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem85 could not be translated [2023-11-29 00:47:30,650 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem94 could not be translated [2023-11-29 00:47:30,650 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem90 could not be translated [2023-11-29 00:47:30,650 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem84 could not be translated [2023-11-29 00:47:30,650 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem91 could not be translated [2023-11-29 00:47:30,651 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ite96 could not be translated [2023-11-29 00:47:30,651 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem95 could not be translated [2023-11-29 00:47:30,651 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ite97 could not be translated [2023-11-29 00:47:30,651 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short108 could not be translated [2023-11-29 00:47:30,651 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem85 could not be translated [2023-11-29 00:47:30,651 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem95 could not be translated [2023-11-29 00:47:30,652 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem91 could not be translated [2023-11-29 00:47:30,652 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem94 could not be translated [2023-11-29 00:47:30,652 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ite97 could not be translated [2023-11-29 00:47:30,652 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem90 could not be translated [2023-11-29 00:47:30,652 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ite96 could not be translated [2023-11-29 00:47:30,652 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem84 could not be translated [2023-11-29 00:47:30,653 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem94 could not be translated [2023-11-29 00:47:30,653 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem90 could not be translated [2023-11-29 00:47:30,653 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem85 could not be translated [2023-11-29 00:47:30,653 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem91 could not be translated [2023-11-29 00:47:30,653 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem84 could not be translated [2023-11-29 00:47:30,653 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ite96 could not be translated [2023-11-29 00:47:30,653 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short124 could not be translated [2023-11-29 00:47:30,654 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ite97 could not be translated [2023-11-29 00:47:30,654 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short108 could not be translated [2023-11-29 00:47:30,654 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem95 could not be translated [2023-11-29 00:47:30,654 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short124 could not be translated [2023-11-29 00:47:30,654 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem94 could not be translated [2023-11-29 00:47:30,654 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem91 could not be translated [2023-11-29 00:47:30,655 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem95 could not be translated [2023-11-29 00:47:30,655 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ite97 could not be translated [2023-11-29 00:47:30,655 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem85 could not be translated [2023-11-29 00:47:30,655 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short133 could not be translated [2023-11-29 00:47:30,655 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem90 could not be translated [2023-11-29 00:47:30,655 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short108 could not be translated [2023-11-29 00:47:30,655 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ite96 could not be translated [2023-11-29 00:47:30,656 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem84 could not be translated [2023-11-29 00:47:30,656 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short124 could not be translated [2023-11-29 00:47:30,656 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ite96 could not be translated [2023-11-29 00:47:30,656 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem91 could not be translated [2023-11-29 00:47:30,656 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem95 could not be translated [2023-11-29 00:47:30,656 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ite97 could not be translated [2023-11-29 00:47:30,657 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short133 could not be translated [2023-11-29 00:47:30,657 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short108 could not be translated [2023-11-29 00:47:30,657 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem90 could not be translated [2023-11-29 00:47:30,657 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem94 could not be translated [2023-11-29 00:47:30,657 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short136 could not be translated [2023-11-29 00:47:30,657 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem84 could not be translated [2023-11-29 00:47:30,657 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem85 could not be translated [2023-11-29 00:47:30,658 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ite96 could not be translated [2023-11-29 00:47:30,658 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem95 could not be translated [2023-11-29 00:47:30,658 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ite97 could not be translated [2023-11-29 00:47:30,658 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem94 could not be translated [2023-11-29 00:47:30,658 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short124 could not be translated [2023-11-29 00:47:30,658 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem90 could not be translated [2023-11-29 00:47:30,658 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short136 could not be translated [2023-11-29 00:47:30,659 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short133 could not be translated [2023-11-29 00:47:30,659 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem84 could not be translated [2023-11-29 00:47:30,659 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem85 could not be translated [2023-11-29 00:47:30,659 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem91 could not be translated [2023-11-29 00:47:30,659 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short108 could not be translated [2023-11-29 00:47:30,659 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short139 could not be translated [2023-11-29 00:47:30,660 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short124 could not be translated [2023-11-29 00:47:30,660 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short108 could not be translated [2023-11-29 00:47:30,660 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem95 could not be translated [2023-11-29 00:47:30,660 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short133 could not be translated [2023-11-29 00:47:30,660 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem91 could not be translated [2023-11-29 00:47:30,660 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem90 could not be translated [2023-11-29 00:47:30,660 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem94 could not be translated [2023-11-29 00:47:30,661 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem85 could not be translated [2023-11-29 00:47:30,661 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ite96 could not be translated [2023-11-29 00:47:30,661 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short136 could not be translated [2023-11-29 00:47:30,661 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ite97 could not be translated [2023-11-29 00:47:30,661 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short139 could not be translated [2023-11-29 00:47:30,661 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short141 could not be translated [2023-11-29 00:47:30,661 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem84 could not be translated [2023-11-29 00:47:30,686 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.11 12:47:30 BoogieIcfgContainer [2023-11-29 00:47:30,686 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-29 00:47:30,687 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-29 00:47:30,687 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-29 00:47:30,687 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-29 00:47:30,687 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 12:47:18" (3/4) ... [2023-11-29 00:47:30,690 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-29 00:47:30,691 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-29 00:47:30,691 INFO L158 Benchmark]: Toolchain (without parser) took 13465.47ms. Allocated memory was 130.0MB in the beginning and 446.7MB in the end (delta: 316.7MB). Free memory was 84.6MB in the beginning and 348.1MB in the end (delta: -263.5MB). Peak memory consumption was 56.3MB. Max. memory is 16.1GB. [2023-11-29 00:47:30,692 INFO L158 Benchmark]: CDTParser took 0.21ms. Allocated memory is still 130.0MB. Free memory was 101.0MB in the beginning and 100.8MB in the end (delta: 151.1kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-29 00:47:30,692 INFO L158 Benchmark]: CACSL2BoogieTranslator took 315.41ms. Allocated memory is still 130.0MB. Free memory was 84.6MB in the beginning and 66.1MB in the end (delta: 18.5MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2023-11-29 00:47:30,692 INFO L158 Benchmark]: Boogie Procedure Inliner took 68.26ms. Allocated memory is still 130.0MB. Free memory was 66.1MB in the beginning and 61.6MB in the end (delta: 4.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-29 00:47:30,693 INFO L158 Benchmark]: Boogie Preprocessor took 75.99ms. Allocated memory is still 130.0MB. Free memory was 61.6MB in the beginning and 55.6MB in the end (delta: 5.9MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-11-29 00:47:30,693 INFO L158 Benchmark]: RCFGBuilder took 695.29ms. Allocated memory was 130.0MB in the beginning and 184.5MB in the end (delta: 54.5MB). Free memory was 55.6MB in the beginning and 126.5MB in the end (delta: -70.8MB). Peak memory consumption was 17.1MB. Max. memory is 16.1GB. [2023-11-29 00:47:30,694 INFO L158 Benchmark]: TraceAbstraction took 12299.32ms. Allocated memory was 184.5MB in the beginning and 446.7MB in the end (delta: 262.1MB). Free memory was 125.3MB in the beginning and 348.1MB in the end (delta: -222.8MB). Peak memory consumption was 39.3MB. Max. memory is 16.1GB. [2023-11-29 00:47:30,694 INFO L158 Benchmark]: Witness Printer took 4.31ms. Allocated memory is still 446.7MB. Free memory is still 348.1MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-29 00:47:30,696 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21ms. Allocated memory is still 130.0MB. Free memory was 101.0MB in the beginning and 100.8MB in the end (delta: 151.1kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 315.41ms. Allocated memory is still 130.0MB. Free memory was 84.6MB in the beginning and 66.1MB in the end (delta: 18.5MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 68.26ms. Allocated memory is still 130.0MB. Free memory was 66.1MB in the beginning and 61.6MB in the end (delta: 4.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 75.99ms. Allocated memory is still 130.0MB. Free memory was 61.6MB in the beginning and 55.6MB in the end (delta: 5.9MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * RCFGBuilder took 695.29ms. Allocated memory was 130.0MB in the beginning and 184.5MB in the end (delta: 54.5MB). Free memory was 55.6MB in the beginning and 126.5MB in the end (delta: -70.8MB). Peak memory consumption was 17.1MB. Max. memory is 16.1GB. * TraceAbstraction took 12299.32ms. Allocated memory was 184.5MB in the beginning and 446.7MB in the end (delta: 262.1MB). Free memory was 125.3MB in the beginning and 348.1MB in the end (delta: -222.8MB). Peak memory consumption was 39.3MB. Max. memory is 16.1GB. * Witness Printer took 4.31ms. Allocated memory is still 446.7MB. Free memory is still 348.1MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem41 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem42 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem44 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem45 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem47 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem48 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem50 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem51 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem53 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem54 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem56 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem57 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem59 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem60 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem62 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem63 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem65 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem66 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem68 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem69 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem71 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem72 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem74 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem75 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem77 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem78 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem77 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem77 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short79 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short83 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem78 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem77 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short79 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem78 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short83 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem5 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem7 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem10 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem6 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ite9 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem16 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short18 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem32 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem34 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ite36 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem37 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem33 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem90 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem91 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem95 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem84 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem94 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem85 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ite96 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem85 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem94 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem90 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem84 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem91 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ite96 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem95 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ite97 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short108 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem85 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem95 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem91 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem94 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ite97 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem90 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ite96 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem84 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem94 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem90 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem85 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem91 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem84 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ite96 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short124 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ite97 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short108 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem95 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short124 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem94 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem91 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem95 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ite97 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem85 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short133 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem90 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short108 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ite96 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem84 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short124 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ite96 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem91 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem95 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ite97 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short133 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short108 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem90 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem94 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short136 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem84 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem85 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ite96 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem95 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ite97 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem94 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short124 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem90 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short136 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short133 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem84 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem85 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem91 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short108 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short139 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short124 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short108 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem95 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short133 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem91 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem90 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem94 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem85 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ite96 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short136 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ite97 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short139 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short141 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem84 could not be translated - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 138, overapproximation of someBinaryDOUBLEComparisonOperation at line 91. Possible FailurePath: [L44] unsigned char isInitial = 0; [L45-L66] struct WrapperStruct00 WrapperStruct00 = { 0, 0, 0, 0, 8, 128, 64, 100, 5, 100, 32, 64, 50, 8, 0, 0, 255.5, 255.5, 64, 32.5 }; [L45-L66] struct WrapperStruct00 WrapperStruct00 = { 0, 0, 0, 0, 8, 128, 64, 100, 5, 100, 32, 64, 50, 8, 0, 0, 255.5, 255.5, 64, 32.5 }; [L45-L66] struct WrapperStruct00 WrapperStruct00 = { 0, 0, 0, 0, 8, 128, 64, 100, 5, 100, 32, 64, 50, 8, 0, 0, 255.5, 255.5, 64, 32.5 }; [L45-L66] struct WrapperStruct00 WrapperStruct00 = { 0, 0, 0, 0, 8, 128, 64, 100, 5, 100, 32, 64, 50, 8, 0, 0, 255.5, 255.5, 64, 32.5 }; [L45-L66] struct WrapperStruct00 WrapperStruct00 = { 0, 0, 0, 0, 8, 128, 64, 100, 5, 100, 32, 64, 50, 8, 0, 0, 255.5, 255.5, 64, 32.5 }; [L45-L66] struct WrapperStruct00 WrapperStruct00 = { 0, 0, 0, 0, 8, 128, 64, 100, 5, 100, 32, 64, 50, 8, 0, 0, 255.5, 255.5, 64, 32.5 }; [L45-L66] struct WrapperStruct00 WrapperStruct00 = { 0, 0, 0, 0, 8, 128, 64, 100, 5, 100, 32, 64, 50, 8, 0, 0, 255.5, 255.5, 64, 32.5 }; [L45-L66] struct WrapperStruct00 WrapperStruct00 = { 0, 0, 0, 0, 8, 128, 64, 100, 5, 100, 32, 64, 50, 8, 0, 0, 255.5, 255.5, 64, 32.5 }; [L45-L66] struct WrapperStruct00 WrapperStruct00 = { 0, 0, 0, 0, 8, 128, 64, 100, 5, 100, 32, 64, 50, 8, 0, 0, 255.5, 255.5, 64, 32.5 }; [L45-L66] struct WrapperStruct00 WrapperStruct00 = { 0, 0, 0, 0, 8, 128, 64, 100, 5, 100, 32, 64, 50, 8, 0, 0, 255.5, 255.5, 64, 32.5 }; [L45-L66] struct WrapperStruct00 WrapperStruct00 = { 0, 0, 0, 0, 8, 128, 64, 100, 5, 100, 32, 64, 50, 8, 0, 0, 255.5, 255.5, 64, 32.5 }; [L45-L66] struct WrapperStruct00 WrapperStruct00 = { 0, 0, 0, 0, 8, 128, 64, 100, 5, 100, 32, 64, 50, 8, 0, 0, 255.5, 255.5, 64, 32.5 }; [L45-L66] struct WrapperStruct00 WrapperStruct00 = { 0, 0, 0, 0, 8, 128, 64, 100, 5, 100, 32, 64, 50, 8, 0, 0, 255.5, 255.5, 64, 32.5 }; [L45-L66] struct WrapperStruct00 WrapperStruct00 = { 0, 0, 0, 0, 8, 128, 64, 100, 5, 100, 32, 64, 50, 8, 0, 0, 255.5, 255.5, 64, 32.5 }; [L45-L66] struct WrapperStruct00 WrapperStruct00 = { 0, 0, 0, 0, 8, 128, 64, 100, 5, 100, 32, 64, 50, 8, 0, 0, 255.5, 255.5, 64, 32.5 }; [L45-L66] struct WrapperStruct00 WrapperStruct00 = { 0, 0, 0, 0, 8, 128, 64, 100, 5, 100, 32, 64, 50, 8, 0, 0, 255.5, 255.5, 64, 32.5 }; [L45-L66] struct WrapperStruct00 WrapperStruct00 = { 0, 0, 0, 0, 8, 128, 64, 100, 5, 100, 32, 64, 50, 8, 0, 0, 255.5, 255.5, 64, 32.5 }; [L45-L66] struct WrapperStruct00 WrapperStruct00 = { 0, 0, 0, 0, 8, 128, 64, 100, 5, 100, 32, 64, 50, 8, 0, 0, 255.5, 255.5, 64, 32.5 }; [L45-L66] struct WrapperStruct00 WrapperStruct00 = { 0, 0, 0, 0, 8, 128, 64, 100, 5, 100, 32, 64, 50, 8, 0, 0, 255.5, 255.5, 64, 32.5 }; [L45-L66] struct WrapperStruct00 WrapperStruct00 = { 0, 0, 0, 0, 8, 128, 64, 100, 5, 100, 32, 64, 50, 8, 0, 0, 255.5, 255.5, 64, 32.5 }; [L45-L66] struct WrapperStruct00 WrapperStruct00 = { 0, 0, 0, 0, 8, 128, 64, 100, 5, 100, 32, 64, 50, 8, 0, 0, 255.5, 255.5, 64, 32.5 }; [L142] isInitial = 1 [L143] FCALL initially() [L144] COND TRUE 1 [L145] FCALL updateLastVariables() [L146] CALL updateVariables() [L96] WrapperStruct00.var_1_4 = __VERIFIER_nondet_uchar() [L97] EXPR WrapperStruct00.var_1_4 VAL [WrapperStruct00={4:0}, isInitial=1] [L97] CALL assume_abort_if_not(WrapperStruct00.var_1_4 >= 0) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, \old(cond)=1, cond=1, isInitial=1] [L97] RET assume_abort_if_not(WrapperStruct00.var_1_4 >= 0) VAL [WrapperStruct00={4:0}, isInitial=1] [L98] EXPR WrapperStruct00.var_1_4 VAL [WrapperStruct00={4:0}, isInitial=1] [L98] CALL assume_abort_if_not(WrapperStruct00.var_1_4 <= 0) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, \old(cond)=1, cond=1, isInitial=1] [L98] RET assume_abort_if_not(WrapperStruct00.var_1_4 <= 0) VAL [WrapperStruct00={4:0}, isInitial=1] [L99] WrapperStruct00.var_1_5 = __VERIFIER_nondet_uchar() [L100] EXPR WrapperStruct00.var_1_5 VAL [WrapperStruct00={4:0}, isInitial=1] [L100] CALL assume_abort_if_not(WrapperStruct00.var_1_5 >= 0) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, \old(cond)=1, cond=1, isInitial=1] [L100] RET assume_abort_if_not(WrapperStruct00.var_1_5 >= 0) VAL [WrapperStruct00={4:0}, isInitial=1] [L101] EXPR WrapperStruct00.var_1_5 VAL [WrapperStruct00={4:0}, isInitial=1] [L101] CALL assume_abort_if_not(WrapperStruct00.var_1_5 <= 0) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, \old(cond)=1, cond=1, isInitial=1] [L101] RET assume_abort_if_not(WrapperStruct00.var_1_5 <= 0) VAL [WrapperStruct00={4:0}, isInitial=1] [L102] WrapperStruct00.var_1_6 = __VERIFIER_nondet_uchar() [L103] EXPR WrapperStruct00.var_1_6 VAL [WrapperStruct00={4:0}, isInitial=1] [L103] CALL assume_abort_if_not(WrapperStruct00.var_1_6 >= 1) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, \old(cond)=1, cond=1, isInitial=1] [L103] RET assume_abort_if_not(WrapperStruct00.var_1_6 >= 1) VAL [WrapperStruct00={4:0}, isInitial=1] [L104] EXPR WrapperStruct00.var_1_6 VAL [WrapperStruct00={4:0}, isInitial=1] [L104] CALL assume_abort_if_not(WrapperStruct00.var_1_6 <= 1) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, \old(cond)=1, cond=1, isInitial=1] [L104] RET assume_abort_if_not(WrapperStruct00.var_1_6 <= 1) VAL [WrapperStruct00={4:0}, isInitial=1] [L105] WrapperStruct00.var_1_9 = __VERIFIER_nondet_uchar() [L106] EXPR WrapperStruct00.var_1_9 VAL [WrapperStruct00={4:0}, isInitial=1] [L106] CALL assume_abort_if_not(WrapperStruct00.var_1_9 >= 127) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, \old(cond)=1, cond=1, isInitial=1] [L106] RET assume_abort_if_not(WrapperStruct00.var_1_9 >= 127) VAL [WrapperStruct00={4:0}, isInitial=1] [L107] EXPR WrapperStruct00.var_1_9 VAL [WrapperStruct00={4:0}, isInitial=1] [L107] CALL assume_abort_if_not(WrapperStruct00.var_1_9 <= 254) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, \old(cond)=1, cond=1, isInitial=1] [L107] RET assume_abort_if_not(WrapperStruct00.var_1_9 <= 254) VAL [WrapperStruct00={4:0}, isInitial=1] [L108] WrapperStruct00.var_1_10 = __VERIFIER_nondet_uchar() [L109] EXPR WrapperStruct00.var_1_10 VAL [WrapperStruct00={4:0}, isInitial=1] [L109] CALL assume_abort_if_not(WrapperStruct00.var_1_10 >= 0) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, \old(cond)=1, cond=1, isInitial=1] [L109] RET assume_abort_if_not(WrapperStruct00.var_1_10 >= 0) VAL [WrapperStruct00={4:0}, isInitial=1] [L110] EXPR WrapperStruct00.var_1_10 VAL [WrapperStruct00={4:0}, isInitial=1] [L110] CALL assume_abort_if_not(WrapperStruct00.var_1_10 <= 127) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, \old(cond)=1, cond=1, isInitial=1] [L110] RET assume_abort_if_not(WrapperStruct00.var_1_10 <= 127) VAL [WrapperStruct00={4:0}, isInitial=1] [L111] WrapperStruct00.var_1_12 = __VERIFIER_nondet_uchar() [L112] EXPR WrapperStruct00.var_1_12 VAL [WrapperStruct00={4:0}, isInitial=1] [L112] CALL assume_abort_if_not(WrapperStruct00.var_1_12 >= 0) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, \old(cond)=1, cond=1, isInitial=1] [L112] RET assume_abort_if_not(WrapperStruct00.var_1_12 >= 0) VAL [WrapperStruct00={4:0}, isInitial=1] [L113] EXPR WrapperStruct00.var_1_12 VAL [WrapperStruct00={4:0}, isInitial=1] [L113] CALL assume_abort_if_not(WrapperStruct00.var_1_12 <= 127) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, \old(cond)=1, cond=1, isInitial=1] [L113] RET assume_abort_if_not(WrapperStruct00.var_1_12 <= 127) VAL [WrapperStruct00={4:0}, isInitial=1] [L114] WrapperStruct00.var_1_13 = __VERIFIER_nondet_uchar() [L115] EXPR WrapperStruct00.var_1_13 VAL [WrapperStruct00={4:0}, isInitial=1] [L115] CALL assume_abort_if_not(WrapperStruct00.var_1_13 >= 0) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, \old(cond)=1, cond=1, isInitial=1] [L115] RET assume_abort_if_not(WrapperStruct00.var_1_13 >= 0) VAL [WrapperStruct00={4:0}, isInitial=1] [L116] EXPR WrapperStruct00.var_1_13 VAL [WrapperStruct00={4:0}, isInitial=1] [L116] CALL assume_abort_if_not(WrapperStruct00.var_1_13 <= 127) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, \old(cond)=1, cond=1, isInitial=1] [L116] RET assume_abort_if_not(WrapperStruct00.var_1_13 <= 127) VAL [WrapperStruct00={4:0}, isInitial=1] [L117] WrapperStruct00.var_1_14 = __VERIFIER_nondet_uchar() [L118] EXPR WrapperStruct00.var_1_14 VAL [WrapperStruct00={4:0}, isInitial=1] [L118] CALL assume_abort_if_not(WrapperStruct00.var_1_14 >= 32) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, \old(cond)=1, cond=1, isInitial=1] [L118] RET assume_abort_if_not(WrapperStruct00.var_1_14 >= 32) VAL [WrapperStruct00={4:0}, isInitial=1] [L119] EXPR WrapperStruct00.var_1_14 VAL [WrapperStruct00={4:0}, isInitial=1] [L119] CALL assume_abort_if_not(WrapperStruct00.var_1_14 <= 63) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, \old(cond)=1, cond=1, isInitial=1] [L119] RET assume_abort_if_not(WrapperStruct00.var_1_14 <= 63) VAL [WrapperStruct00={4:0}, isInitial=1] [L120] WrapperStruct00.var_1_15 = __VERIFIER_nondet_uchar() [L121] EXPR WrapperStruct00.var_1_15 VAL [WrapperStruct00={4:0}, isInitial=1] [L121] CALL assume_abort_if_not(WrapperStruct00.var_1_15 >= 32) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, \old(cond)=1, cond=1, isInitial=1] [L121] RET assume_abort_if_not(WrapperStruct00.var_1_15 >= 32) VAL [WrapperStruct00={4:0}, isInitial=1] [L122] EXPR WrapperStruct00.var_1_15 VAL [WrapperStruct00={4:0}, isInitial=1] [L122] CALL assume_abort_if_not(WrapperStruct00.var_1_15 <= 64) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, \old(cond)=1, cond=1, isInitial=1] [L122] RET assume_abort_if_not(WrapperStruct00.var_1_15 <= 64) VAL [WrapperStruct00={4:0}, isInitial=1] [L123] WrapperStruct00.var_1_16 = __VERIFIER_nondet_uchar() [L124] EXPR WrapperStruct00.var_1_16 VAL [WrapperStruct00={4:0}, isInitial=1] [L124] CALL assume_abort_if_not(WrapperStruct00.var_1_16 >= 32) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, \old(cond)=1, cond=1, isInitial=1] [L124] RET assume_abort_if_not(WrapperStruct00.var_1_16 >= 32) VAL [WrapperStruct00={4:0}, isInitial=1] [L125] EXPR WrapperStruct00.var_1_16 VAL [WrapperStruct00={4:0}, isInitial=1] [L125] CALL assume_abort_if_not(WrapperStruct00.var_1_16 <= 63) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, \old(cond)=1, cond=1, isInitial=1] [L125] RET assume_abort_if_not(WrapperStruct00.var_1_16 <= 63) VAL [WrapperStruct00={4:0}, isInitial=1] [L126] WrapperStruct00.var_1_17 = __VERIFIER_nondet_uchar() [L127] EXPR WrapperStruct00.var_1_17 VAL [WrapperStruct00={4:0}, isInitial=1] [L127] CALL assume_abort_if_not(WrapperStruct00.var_1_17 >= 0) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, \old(cond)=1, cond=1, isInitial=1] [L127] RET assume_abort_if_not(WrapperStruct00.var_1_17 >= 0) VAL [WrapperStruct00={4:0}, isInitial=1] [L128] EXPR WrapperStruct00.var_1_17 VAL [WrapperStruct00={4:0}, isInitial=1] [L128] CALL assume_abort_if_not(WrapperStruct00.var_1_17 <= 64) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, \old(cond)=1, cond=1, isInitial=1] [L128] RET assume_abort_if_not(WrapperStruct00.var_1_17 <= 64) VAL [WrapperStruct00={4:0}, isInitial=1] [L129] WrapperStruct00.var_1_18 = __VERIFIER_nondet_uchar() [L130] EXPR WrapperStruct00.var_1_18 VAL [WrapperStruct00={4:0}, isInitial=1] [L130] CALL assume_abort_if_not(WrapperStruct00.var_1_18 >= 0) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, \old(cond)=1, cond=1, isInitial=1] [L130] RET assume_abort_if_not(WrapperStruct00.var_1_18 >= 0) VAL [WrapperStruct00={4:0}, isInitial=1] [L131] EXPR WrapperStruct00.var_1_18 VAL [WrapperStruct00={4:0}, isInitial=1] [L131] CALL assume_abort_if_not(WrapperStruct00.var_1_18 <= 63) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, \old(cond)=1, cond=1, isInitial=1] [L131] RET assume_abort_if_not(WrapperStruct00.var_1_18 <= 63) VAL [WrapperStruct00={4:0}, isInitial=1] [L132] WrapperStruct00.var_1_21 = __VERIFIER_nondet_float() [L133] EXPR WrapperStruct00.var_1_21 [L133] EXPR WrapperStruct00.var_1_21 >= -922337.2036854765600e+13F && WrapperStruct00.var_1_21 <= -1.0e-20F VAL [WrapperStruct00={4:0}, isInitial=1] [L133] EXPR WrapperStruct00.var_1_21 >= -922337.2036854765600e+13F && WrapperStruct00.var_1_21 <= -1.0e-20F [L133] EXPR WrapperStruct00.var_1_21 [L133] EXPR WrapperStruct00.var_1_21 >= -922337.2036854765600e+13F && WrapperStruct00.var_1_21 <= -1.0e-20F VAL [WrapperStruct00={4:0}, isInitial=1] [L133] EXPR (WrapperStruct00.var_1_21 >= -922337.2036854765600e+13F && WrapperStruct00.var_1_21 <= -1.0e-20F) || (WrapperStruct00.var_1_21 <= 9223372.036854765600e+12F && WrapperStruct00.var_1_21 >= 1.0e-20F ) VAL [WrapperStruct00={4:0}, isInitial=1] [L133] EXPR (WrapperStruct00.var_1_21 >= -922337.2036854765600e+13F && WrapperStruct00.var_1_21 <= -1.0e-20F) || (WrapperStruct00.var_1_21 <= 9223372.036854765600e+12F && WrapperStruct00.var_1_21 >= 1.0e-20F ) VAL [WrapperStruct00={4:0}, isInitial=1] [L133] CALL assume_abort_if_not((WrapperStruct00.var_1_21 >= -922337.2036854765600e+13F && WrapperStruct00.var_1_21 <= -1.0e-20F) || (WrapperStruct00.var_1_21 <= 9223372.036854765600e+12F && WrapperStruct00.var_1_21 >= 1.0e-20F )) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, \old(cond)=1, cond=1, isInitial=1] [L133] RET assume_abort_if_not((WrapperStruct00.var_1_21 >= -922337.2036854765600e+13F && WrapperStruct00.var_1_21 <= -1.0e-20F) || (WrapperStruct00.var_1_21 <= 9223372.036854765600e+12F && WrapperStruct00.var_1_21 >= 1.0e-20F )) VAL [WrapperStruct00={4:0}, isInitial=1] [L146] RET updateVariables() [L147] CALL step() [L70] WrapperStruct00.var_1_6 VAL [WrapperStruct00={4:0}, isInitial=1] [L70] COND TRUE WrapperStruct00.var_1_6 [L71] EXPR WrapperStruct00.var_1_10 [L71] EXPR WrapperStruct00.var_1_12 [L71] EXPR WrapperStruct00.var_1_13 VAL [WrapperStruct00={4:0}, isInitial=1] [L71] EXPR ((WrapperStruct00.var_1_12) > (WrapperStruct00.var_1_13)) ? (WrapperStruct00.var_1_12) : (WrapperStruct00.var_1_13) [L71] EXPR WrapperStruct00.var_1_12 [L71] EXPR ((WrapperStruct00.var_1_12) > (WrapperStruct00.var_1_13)) ? (WrapperStruct00.var_1_12) : (WrapperStruct00.var_1_13) VAL [WrapperStruct00={4:0}, isInitial=1] [L71] WrapperStruct00.var_1_11 = (WrapperStruct00.var_1_10 + ((((WrapperStruct00.var_1_12) > (WrapperStruct00.var_1_13)) ? (WrapperStruct00.var_1_12) : (WrapperStruct00.var_1_13)))) [L75] EXPR WrapperStruct00.var_1_6 [L75] EXPR WrapperStruct00.var_1_6 || WrapperStruct00.var_1_4 VAL [WrapperStruct00={4:0}, isInitial=1] [L75] EXPR WrapperStruct00.var_1_6 || WrapperStruct00.var_1_4 VAL [WrapperStruct00={4:0}, isInitial=1] [L75] unsigned char stepLocal_0 = WrapperStruct00.var_1_6 || WrapperStruct00.var_1_4; [L76] EXPR WrapperStruct00.var_1_5 VAL [WrapperStruct00={4:0}, isInitial=1] [L76] COND TRUE WrapperStruct00.var_1_5 || stepLocal_0 [L77] EXPR WrapperStruct00.var_1_15 [L77] WrapperStruct00.var_1_19 = WrapperStruct00.var_1_15 [L79] EXPR WrapperStruct00.var_1_21 [L79] WrapperStruct00.var_1_20 = WrapperStruct00.var_1_21 [L80] EXPR WrapperStruct00.var_1_18 [L80] WrapperStruct00.var_1_22 = WrapperStruct00.var_1_18 [L81] WrapperStruct00.var_1_23 = 0.010000000000000009 [L82] EXPR WrapperStruct00.var_1_20 [L82] EXPR WrapperStruct00.var_1_20 VAL [WrapperStruct00={4:0}, isInitial=1] [L82] COND FALSE !(WrapperStruct00.var_1_20 < WrapperStruct00.var_1_20) [L85] EXPR WrapperStruct00.var_1_20 [L85] EXPR WrapperStruct00.var_1_20 VAL [WrapperStruct00={4:0}, isInitial=1] [L85] COND TRUE WrapperStruct00.var_1_20 >= WrapperStruct00.var_1_20 [L86] EXPR WrapperStruct00.var_1_5 [L86] WrapperStruct00.var_1_1 = WrapperStruct00.var_1_5 [L91] EXPR WrapperStruct00.var_1_23 [L91] EXPR WrapperStruct00.var_1_20 [L91] EXPR WrapperStruct00.var_1_20 VAL [WrapperStruct00={4:0}, isInitial=1] [L91] EXPR ((WrapperStruct00.var_1_20) > (WrapperStruct00.var_1_20)) ? (WrapperStruct00.var_1_20) : (WrapperStruct00.var_1_20) [L91] EXPR WrapperStruct00.var_1_20 [L91] EXPR ((WrapperStruct00.var_1_20) > (WrapperStruct00.var_1_20)) ? (WrapperStruct00.var_1_20) : (WrapperStruct00.var_1_20) VAL [WrapperStruct00={4:0}, isInitial=1, stepLocal_0=1] [L91] COND TRUE WrapperStruct00.var_1_23 < ((((WrapperStruct00.var_1_20) > (WrapperStruct00.var_1_20)) ? (WrapperStruct00.var_1_20) : (WrapperStruct00.var_1_20))) [L92] EXPR WrapperStruct00.var_1_9 [L92] EXPR WrapperStruct00.var_1_10 [L92] WrapperStruct00.var_1_7 = (WrapperStruct00.var_1_9 - WrapperStruct00.var_1_10) [L147] RET step() [L148] CALL, EXPR property() [L138] EXPR WrapperStruct00.var_1_20 [L138] EXPR WrapperStruct00.var_1_20 VAL [WrapperStruct00={4:0}, isInitial=1] [L138] EXPR (WrapperStruct00.var_1_20 < WrapperStruct00.var_1_20) ? (WrapperStruct00.var_1_1 == ((unsigned char) (WrapperStruct00.var_1_4 || WrapperStruct00.var_1_5))) : ((WrapperStruct00.var_1_20 >= WrapperStruct00.var_1_20) ? (WrapperStruct00.var_1_1 == ((unsigned char) WrapperStruct00.var_1_5)) : (WrapperStruct00.var_1_1 == ((unsigned char) WrapperStruct00.var_1_6))) [L138] EXPR WrapperStruct00.var_1_20 [L138] EXPR WrapperStruct00.var_1_20 VAL [WrapperStruct00={4:0}, isInitial=1] [L138] EXPR (WrapperStruct00.var_1_20 >= WrapperStruct00.var_1_20) ? (WrapperStruct00.var_1_1 == ((unsigned char) WrapperStruct00.var_1_5)) : (WrapperStruct00.var_1_1 == ((unsigned char) WrapperStruct00.var_1_6)) [L138] EXPR WrapperStruct00.var_1_1 [L138] EXPR WrapperStruct00.var_1_6 [L138] EXPR (WrapperStruct00.var_1_20 >= WrapperStruct00.var_1_20) ? (WrapperStruct00.var_1_1 == ((unsigned char) WrapperStruct00.var_1_5)) : (WrapperStruct00.var_1_1 == ((unsigned char) WrapperStruct00.var_1_6)) VAL [WrapperStruct00={4:0}, isInitial=1] [L138] EXPR (WrapperStruct00.var_1_20 < WrapperStruct00.var_1_20) ? (WrapperStruct00.var_1_1 == ((unsigned char) (WrapperStruct00.var_1_4 || WrapperStruct00.var_1_5))) : ((WrapperStruct00.var_1_20 >= WrapperStruct00.var_1_20) ? (WrapperStruct00.var_1_1 == ((unsigned char) WrapperStruct00.var_1_5)) : (WrapperStruct00.var_1_1 == ((unsigned char) WrapperStruct00.var_1_6))) VAL [WrapperStruct00={4:0}, isInitial=1] [L138] EXPR ((WrapperStruct00.var_1_20 < WrapperStruct00.var_1_20) ? (WrapperStruct00.var_1_1 == ((unsigned char) (WrapperStruct00.var_1_4 || WrapperStruct00.var_1_5))) : ((WrapperStruct00.var_1_20 >= WrapperStruct00.var_1_20) ? (WrapperStruct00.var_1_1 == ((unsigned char) WrapperStruct00.var_1_5)) : (WrapperStruct00.var_1_1 == ((unsigned char) WrapperStruct00.var_1_6)))) && ((WrapperStruct00.var_1_23 < ((((WrapperStruct00.var_1_20) > (WrapperStruct00.var_1_20)) ? (WrapperStruct00.var_1_20) : (WrapperStruct00.var_1_20)))) ? (WrapperStruct00.var_1_7 == ((unsigned char) (WrapperStruct00.var_1_9 - WrapperStruct00.var_1_10))) : 1) VAL [WrapperStruct00={4:0}, isInitial=1] [L138] EXPR ((WrapperStruct00.var_1_20 < WrapperStruct00.var_1_20) ? (WrapperStruct00.var_1_1 == ((unsigned char) (WrapperStruct00.var_1_4 || WrapperStruct00.var_1_5))) : ((WrapperStruct00.var_1_20 >= WrapperStruct00.var_1_20) ? (WrapperStruct00.var_1_1 == ((unsigned char) WrapperStruct00.var_1_5)) : (WrapperStruct00.var_1_1 == ((unsigned char) WrapperStruct00.var_1_6)))) && ((WrapperStruct00.var_1_23 < ((((WrapperStruct00.var_1_20) > (WrapperStruct00.var_1_20)) ? (WrapperStruct00.var_1_20) : (WrapperStruct00.var_1_20)))) ? (WrapperStruct00.var_1_7 == ((unsigned char) (WrapperStruct00.var_1_9 - WrapperStruct00.var_1_10))) : 1) VAL [WrapperStruct00={4:0}, isInitial=1] [L138] EXPR (((WrapperStruct00.var_1_20 < WrapperStruct00.var_1_20) ? (WrapperStruct00.var_1_1 == ((unsigned char) (WrapperStruct00.var_1_4 || WrapperStruct00.var_1_5))) : ((WrapperStruct00.var_1_20 >= WrapperStruct00.var_1_20) ? (WrapperStruct00.var_1_1 == ((unsigned char) WrapperStruct00.var_1_5)) : (WrapperStruct00.var_1_1 == ((unsigned char) WrapperStruct00.var_1_6)))) && ((WrapperStruct00.var_1_23 < ((((WrapperStruct00.var_1_20) > (WrapperStruct00.var_1_20)) ? (WrapperStruct00.var_1_20) : (WrapperStruct00.var_1_20)))) ? (WrapperStruct00.var_1_7 == ((unsigned char) (WrapperStruct00.var_1_9 - WrapperStruct00.var_1_10))) : 1)) && (WrapperStruct00.var_1_6 ? (WrapperStruct00.var_1_11 == ((unsigned char) (WrapperStruct00.var_1_10 + ((((WrapperStruct00.var_1_12) > (WrapperStruct00.var_1_13)) ? (WrapperStruct00.var_1_12) : (WrapperStruct00.var_1_13)))))) : (WrapperStruct00.var_1_11 == ((unsigned char) (((64 + WrapperStruct00.var_1_14) + (WrapperStruct00.var_1_15 + WrapperStruct00.var_1_16)) - (WrapperStruct00.var_1_17 + WrapperStruct00.var_1_18))))) VAL [WrapperStruct00={4:0}, isInitial=1] [L138] EXPR (((WrapperStruct00.var_1_20 < WrapperStruct00.var_1_20) ? (WrapperStruct00.var_1_1 == ((unsigned char) (WrapperStruct00.var_1_4 || WrapperStruct00.var_1_5))) : ((WrapperStruct00.var_1_20 >= WrapperStruct00.var_1_20) ? (WrapperStruct00.var_1_1 == ((unsigned char) WrapperStruct00.var_1_5)) : (WrapperStruct00.var_1_1 == ((unsigned char) WrapperStruct00.var_1_6)))) && ((WrapperStruct00.var_1_23 < ((((WrapperStruct00.var_1_20) > (WrapperStruct00.var_1_20)) ? (WrapperStruct00.var_1_20) : (WrapperStruct00.var_1_20)))) ? (WrapperStruct00.var_1_7 == ((unsigned char) (WrapperStruct00.var_1_9 - WrapperStruct00.var_1_10))) : 1)) && (WrapperStruct00.var_1_6 ? (WrapperStruct00.var_1_11 == ((unsigned char) (WrapperStruct00.var_1_10 + ((((WrapperStruct00.var_1_12) > (WrapperStruct00.var_1_13)) ? (WrapperStruct00.var_1_12) : (WrapperStruct00.var_1_13)))))) : (WrapperStruct00.var_1_11 == ((unsigned char) (((64 + WrapperStruct00.var_1_14) + (WrapperStruct00.var_1_15 + WrapperStruct00.var_1_16)) - (WrapperStruct00.var_1_17 + WrapperStruct00.var_1_18))))) VAL [WrapperStruct00={4:0}, isInitial=1] [L138] EXPR ((((WrapperStruct00.var_1_20 < WrapperStruct00.var_1_20) ? (WrapperStruct00.var_1_1 == ((unsigned char) (WrapperStruct00.var_1_4 || WrapperStruct00.var_1_5))) : ((WrapperStruct00.var_1_20 >= WrapperStruct00.var_1_20) ? (WrapperStruct00.var_1_1 == ((unsigned char) WrapperStruct00.var_1_5)) : (WrapperStruct00.var_1_1 == ((unsigned char) WrapperStruct00.var_1_6)))) && ((WrapperStruct00.var_1_23 < ((((WrapperStruct00.var_1_20) > (WrapperStruct00.var_1_20)) ? (WrapperStruct00.var_1_20) : (WrapperStruct00.var_1_20)))) ? (WrapperStruct00.var_1_7 == ((unsigned char) (WrapperStruct00.var_1_9 - WrapperStruct00.var_1_10))) : 1)) && (WrapperStruct00.var_1_6 ? (WrapperStruct00.var_1_11 == ((unsigned char) (WrapperStruct00.var_1_10 + ((((WrapperStruct00.var_1_12) > (WrapperStruct00.var_1_13)) ? (WrapperStruct00.var_1_12) : (WrapperStruct00.var_1_13)))))) : (WrapperStruct00.var_1_11 == ((unsigned char) (((64 + WrapperStruct00.var_1_14) + (WrapperStruct00.var_1_15 + WrapperStruct00.var_1_16)) - (WrapperStruct00.var_1_17 + WrapperStruct00.var_1_18)))))) && ((WrapperStruct00.var_1_5 || (WrapperStruct00.var_1_6 || WrapperStruct00.var_1_4)) ? (WrapperStruct00.var_1_19 == ((signed char) WrapperStruct00.var_1_15)) : 1) VAL [WrapperStruct00={4:0}, isInitial=1] [L138] EXPR ((((WrapperStruct00.var_1_20 < WrapperStruct00.var_1_20) ? (WrapperStruct00.var_1_1 == ((unsigned char) (WrapperStruct00.var_1_4 || WrapperStruct00.var_1_5))) : ((WrapperStruct00.var_1_20 >= WrapperStruct00.var_1_20) ? (WrapperStruct00.var_1_1 == ((unsigned char) WrapperStruct00.var_1_5)) : (WrapperStruct00.var_1_1 == ((unsigned char) WrapperStruct00.var_1_6)))) && ((WrapperStruct00.var_1_23 < ((((WrapperStruct00.var_1_20) > (WrapperStruct00.var_1_20)) ? (WrapperStruct00.var_1_20) : (WrapperStruct00.var_1_20)))) ? (WrapperStruct00.var_1_7 == ((unsigned char) (WrapperStruct00.var_1_9 - WrapperStruct00.var_1_10))) : 1)) && (WrapperStruct00.var_1_6 ? (WrapperStruct00.var_1_11 == ((unsigned char) (WrapperStruct00.var_1_10 + ((((WrapperStruct00.var_1_12) > (WrapperStruct00.var_1_13)) ? (WrapperStruct00.var_1_12) : (WrapperStruct00.var_1_13)))))) : (WrapperStruct00.var_1_11 == ((unsigned char) (((64 + WrapperStruct00.var_1_14) + (WrapperStruct00.var_1_15 + WrapperStruct00.var_1_16)) - (WrapperStruct00.var_1_17 + WrapperStruct00.var_1_18)))))) && ((WrapperStruct00.var_1_5 || (WrapperStruct00.var_1_6 || WrapperStruct00.var_1_4)) ? (WrapperStruct00.var_1_19 == ((signed char) WrapperStruct00.var_1_15)) : 1) VAL [WrapperStruct00={4:0}, isInitial=1] [L138] EXPR (((((WrapperStruct00.var_1_20 < WrapperStruct00.var_1_20) ? (WrapperStruct00.var_1_1 == ((unsigned char) (WrapperStruct00.var_1_4 || WrapperStruct00.var_1_5))) : ((WrapperStruct00.var_1_20 >= WrapperStruct00.var_1_20) ? (WrapperStruct00.var_1_1 == ((unsigned char) WrapperStruct00.var_1_5)) : (WrapperStruct00.var_1_1 == ((unsigned char) WrapperStruct00.var_1_6)))) && ((WrapperStruct00.var_1_23 < ((((WrapperStruct00.var_1_20) > (WrapperStruct00.var_1_20)) ? (WrapperStruct00.var_1_20) : (WrapperStruct00.var_1_20)))) ? (WrapperStruct00.var_1_7 == ((unsigned char) (WrapperStruct00.var_1_9 - WrapperStruct00.var_1_10))) : 1)) && (WrapperStruct00.var_1_6 ? (WrapperStruct00.var_1_11 == ((unsigned char) (WrapperStruct00.var_1_10 + ((((WrapperStruct00.var_1_12) > (WrapperStruct00.var_1_13)) ? (WrapperStruct00.var_1_12) : (WrapperStruct00.var_1_13)))))) : (WrapperStruct00.var_1_11 == ((unsigned char) (((64 + WrapperStruct00.var_1_14) + (WrapperStruct00.var_1_15 + WrapperStruct00.var_1_16)) - (WrapperStruct00.var_1_17 + WrapperStruct00.var_1_18)))))) && ((WrapperStruct00.var_1_5 || (WrapperStruct00.var_1_6 || WrapperStruct00.var_1_4)) ? (WrapperStruct00.var_1_19 == ((signed char) WrapperStruct00.var_1_15)) : 1)) && (WrapperStruct00.var_1_20 == ((float) WrapperStruct00.var_1_21)) VAL [WrapperStruct00={4:0}, isInitial=1] [L138] EXPR (((((WrapperStruct00.var_1_20 < WrapperStruct00.var_1_20) ? (WrapperStruct00.var_1_1 == ((unsigned char) (WrapperStruct00.var_1_4 || WrapperStruct00.var_1_5))) : ((WrapperStruct00.var_1_20 >= WrapperStruct00.var_1_20) ? (WrapperStruct00.var_1_1 == ((unsigned char) WrapperStruct00.var_1_5)) : (WrapperStruct00.var_1_1 == ((unsigned char) WrapperStruct00.var_1_6)))) && ((WrapperStruct00.var_1_23 < ((((WrapperStruct00.var_1_20) > (WrapperStruct00.var_1_20)) ? (WrapperStruct00.var_1_20) : (WrapperStruct00.var_1_20)))) ? (WrapperStruct00.var_1_7 == ((unsigned char) (WrapperStruct00.var_1_9 - WrapperStruct00.var_1_10))) : 1)) && (WrapperStruct00.var_1_6 ? (WrapperStruct00.var_1_11 == ((unsigned char) (WrapperStruct00.var_1_10 + ((((WrapperStruct00.var_1_12) > (WrapperStruct00.var_1_13)) ? (WrapperStruct00.var_1_12) : (WrapperStruct00.var_1_13)))))) : (WrapperStruct00.var_1_11 == ((unsigned char) (((64 + WrapperStruct00.var_1_14) + (WrapperStruct00.var_1_15 + WrapperStruct00.var_1_16)) - (WrapperStruct00.var_1_17 + WrapperStruct00.var_1_18)))))) && ((WrapperStruct00.var_1_5 || (WrapperStruct00.var_1_6 || WrapperStruct00.var_1_4)) ? (WrapperStruct00.var_1_19 == ((signed char) WrapperStruct00.var_1_15)) : 1)) && (WrapperStruct00.var_1_20 == ((float) WrapperStruct00.var_1_21)) VAL [WrapperStruct00={4:0}, isInitial=1] [L138] EXPR ((((((WrapperStruct00.var_1_20 < WrapperStruct00.var_1_20) ? (WrapperStruct00.var_1_1 == ((unsigned char) (WrapperStruct00.var_1_4 || WrapperStruct00.var_1_5))) : ((WrapperStruct00.var_1_20 >= WrapperStruct00.var_1_20) ? (WrapperStruct00.var_1_1 == ((unsigned char) WrapperStruct00.var_1_5)) : (WrapperStruct00.var_1_1 == ((unsigned char) WrapperStruct00.var_1_6)))) && ((WrapperStruct00.var_1_23 < ((((WrapperStruct00.var_1_20) > (WrapperStruct00.var_1_20)) ? (WrapperStruct00.var_1_20) : (WrapperStruct00.var_1_20)))) ? (WrapperStruct00.var_1_7 == ((unsigned char) (WrapperStruct00.var_1_9 - WrapperStruct00.var_1_10))) : 1)) && (WrapperStruct00.var_1_6 ? (WrapperStruct00.var_1_11 == ((unsigned char) (WrapperStruct00.var_1_10 + ((((WrapperStruct00.var_1_12) > (WrapperStruct00.var_1_13)) ? (WrapperStruct00.var_1_12) : (WrapperStruct00.var_1_13)))))) : (WrapperStruct00.var_1_11 == ((unsigned char) (((64 + WrapperStruct00.var_1_14) + (WrapperStruct00.var_1_15 + WrapperStruct00.var_1_16)) - (WrapperStruct00.var_1_17 + WrapperStruct00.var_1_18)))))) && ((WrapperStruct00.var_1_5 || (WrapperStruct00.var_1_6 || WrapperStruct00.var_1_4)) ? (WrapperStruct00.var_1_19 == ((signed char) WrapperStruct00.var_1_15)) : 1)) && (WrapperStruct00.var_1_20 == ((float) WrapperStruct00.var_1_21))) && (WrapperStruct00.var_1_22 == ((unsigned short int) WrapperStruct00.var_1_18)) VAL [WrapperStruct00={4:0}, isInitial=1] [L138] EXPR ((((((WrapperStruct00.var_1_20 < WrapperStruct00.var_1_20) ? (WrapperStruct00.var_1_1 == ((unsigned char) (WrapperStruct00.var_1_4 || WrapperStruct00.var_1_5))) : ((WrapperStruct00.var_1_20 >= WrapperStruct00.var_1_20) ? (WrapperStruct00.var_1_1 == ((unsigned char) WrapperStruct00.var_1_5)) : (WrapperStruct00.var_1_1 == ((unsigned char) WrapperStruct00.var_1_6)))) && ((WrapperStruct00.var_1_23 < ((((WrapperStruct00.var_1_20) > (WrapperStruct00.var_1_20)) ? (WrapperStruct00.var_1_20) : (WrapperStruct00.var_1_20)))) ? (WrapperStruct00.var_1_7 == ((unsigned char) (WrapperStruct00.var_1_9 - WrapperStruct00.var_1_10))) : 1)) && (WrapperStruct00.var_1_6 ? (WrapperStruct00.var_1_11 == ((unsigned char) (WrapperStruct00.var_1_10 + ((((WrapperStruct00.var_1_12) > (WrapperStruct00.var_1_13)) ? (WrapperStruct00.var_1_12) : (WrapperStruct00.var_1_13)))))) : (WrapperStruct00.var_1_11 == ((unsigned char) (((64 + WrapperStruct00.var_1_14) + (WrapperStruct00.var_1_15 + WrapperStruct00.var_1_16)) - (WrapperStruct00.var_1_17 + WrapperStruct00.var_1_18)))))) && ((WrapperStruct00.var_1_5 || (WrapperStruct00.var_1_6 || WrapperStruct00.var_1_4)) ? (WrapperStruct00.var_1_19 == ((signed char) WrapperStruct00.var_1_15)) : 1)) && (WrapperStruct00.var_1_20 == ((float) WrapperStruct00.var_1_21))) && (WrapperStruct00.var_1_22 == ((unsigned short int) WrapperStruct00.var_1_18)) VAL [WrapperStruct00={4:0}, isInitial=1] [L138] EXPR (((((((WrapperStruct00.var_1_20 < WrapperStruct00.var_1_20) ? (WrapperStruct00.var_1_1 == ((unsigned char) (WrapperStruct00.var_1_4 || WrapperStruct00.var_1_5))) : ((WrapperStruct00.var_1_20 >= WrapperStruct00.var_1_20) ? (WrapperStruct00.var_1_1 == ((unsigned char) WrapperStruct00.var_1_5)) : (WrapperStruct00.var_1_1 == ((unsigned char) WrapperStruct00.var_1_6)))) && ((WrapperStruct00.var_1_23 < ((((WrapperStruct00.var_1_20) > (WrapperStruct00.var_1_20)) ? (WrapperStruct00.var_1_20) : (WrapperStruct00.var_1_20)))) ? (WrapperStruct00.var_1_7 == ((unsigned char) (WrapperStruct00.var_1_9 - WrapperStruct00.var_1_10))) : 1)) && (WrapperStruct00.var_1_6 ? (WrapperStruct00.var_1_11 == ((unsigned char) (WrapperStruct00.var_1_10 + ((((WrapperStruct00.var_1_12) > (WrapperStruct00.var_1_13)) ? (WrapperStruct00.var_1_12) : (WrapperStruct00.var_1_13)))))) : (WrapperStruct00.var_1_11 == ((unsigned char) (((64 + WrapperStruct00.var_1_14) + (WrapperStruct00.var_1_15 + WrapperStruct00.var_1_16)) - (WrapperStruct00.var_1_17 + WrapperStruct00.var_1_18)))))) && ((WrapperStruct00.var_1_5 || (WrapperStruct00.var_1_6 || WrapperStruct00.var_1_4)) ? (WrapperStruct00.var_1_19 == ((signed char) WrapperStruct00.var_1_15)) : 1)) && (WrapperStruct00.var_1_20 == ((float) WrapperStruct00.var_1_21))) && (WrapperStruct00.var_1_22 == ((unsigned short int) WrapperStruct00.var_1_18))) && (WrapperStruct00.var_1_23 == ((double) 0.010000000000000009)) VAL [WrapperStruct00={4:0}, isInitial=1] [L138] EXPR (((((((WrapperStruct00.var_1_20 < WrapperStruct00.var_1_20) ? (WrapperStruct00.var_1_1 == ((unsigned char) (WrapperStruct00.var_1_4 || WrapperStruct00.var_1_5))) : ((WrapperStruct00.var_1_20 >= WrapperStruct00.var_1_20) ? (WrapperStruct00.var_1_1 == ((unsigned char) WrapperStruct00.var_1_5)) : (WrapperStruct00.var_1_1 == ((unsigned char) WrapperStruct00.var_1_6)))) && ((WrapperStruct00.var_1_23 < ((((WrapperStruct00.var_1_20) > (WrapperStruct00.var_1_20)) ? (WrapperStruct00.var_1_20) : (WrapperStruct00.var_1_20)))) ? (WrapperStruct00.var_1_7 == ((unsigned char) (WrapperStruct00.var_1_9 - WrapperStruct00.var_1_10))) : 1)) && (WrapperStruct00.var_1_6 ? (WrapperStruct00.var_1_11 == ((unsigned char) (WrapperStruct00.var_1_10 + ((((WrapperStruct00.var_1_12) > (WrapperStruct00.var_1_13)) ? (WrapperStruct00.var_1_12) : (WrapperStruct00.var_1_13)))))) : (WrapperStruct00.var_1_11 == ((unsigned char) (((64 + WrapperStruct00.var_1_14) + (WrapperStruct00.var_1_15 + WrapperStruct00.var_1_16)) - (WrapperStruct00.var_1_17 + WrapperStruct00.var_1_18)))))) && ((WrapperStruct00.var_1_5 || (WrapperStruct00.var_1_6 || WrapperStruct00.var_1_4)) ? (WrapperStruct00.var_1_19 == ((signed char) WrapperStruct00.var_1_15)) : 1)) && (WrapperStruct00.var_1_20 == ((float) WrapperStruct00.var_1_21))) && (WrapperStruct00.var_1_22 == ((unsigned short int) WrapperStruct00.var_1_18))) && (WrapperStruct00.var_1_23 == ((double) 0.010000000000000009)) VAL [WrapperStruct00={4:0}, isInitial=1] [L138-L139] return (((((((WrapperStruct00.var_1_20 < WrapperStruct00.var_1_20) ? (WrapperStruct00.var_1_1 == ((unsigned char) (WrapperStruct00.var_1_4 || WrapperStruct00.var_1_5))) : ((WrapperStruct00.var_1_20 >= WrapperStruct00.var_1_20) ? (WrapperStruct00.var_1_1 == ((unsigned char) WrapperStruct00.var_1_5)) : (WrapperStruct00.var_1_1 == ((unsigned char) WrapperStruct00.var_1_6)))) && ((WrapperStruct00.var_1_23 < ((((WrapperStruct00.var_1_20) > (WrapperStruct00.var_1_20)) ? (WrapperStruct00.var_1_20) : (WrapperStruct00.var_1_20)))) ? (WrapperStruct00.var_1_7 == ((unsigned char) (WrapperStruct00.var_1_9 - WrapperStruct00.var_1_10))) : 1)) && (WrapperStruct00.var_1_6 ? (WrapperStruct00.var_1_11 == ((unsigned char) (WrapperStruct00.var_1_10 + ((((WrapperStruct00.var_1_12) > (WrapperStruct00.var_1_13)) ? (WrapperStruct00.var_1_12) : (WrapperStruct00.var_1_13)))))) : (WrapperStruct00.var_1_11 == ((unsigned char) (((64 + WrapperStruct00.var_1_14) + (WrapperStruct00.var_1_15 + WrapperStruct00.var_1_16)) - (WrapperStruct00.var_1_17 + WrapperStruct00.var_1_18)))))) && ((WrapperStruct00.var_1_5 || (WrapperStruct00.var_1_6 || WrapperStruct00.var_1_4)) ? (WrapperStruct00.var_1_19 == ((signed char) WrapperStruct00.var_1_15)) : 1)) && (WrapperStruct00.var_1_20 == ((float) WrapperStruct00.var_1_21))) && (WrapperStruct00.var_1_22 == ((unsigned short int) WrapperStruct00.var_1_18))) && (WrapperStruct00.var_1_23 == ((double) 0.010000000000000009)) ; [L148] RET, EXPR property() [L148] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [WrapperStruct00={4:0}, \old(cond)=0, cond=0, isInitial=1] [L19] reach_error() VAL [WrapperStruct00={4:0}, \old(cond)=0, cond=0, isInitial=1] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 113 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 12.2s, OverallIterations: 7, TraceHistogramMax: 25, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 2.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 555 SdHoareTripleChecker+Valid, 1.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 547 mSDsluCounter, 2618 SdHoareTripleChecker+Invalid, 1.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1814 mSDsCounter, 80 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1465 IncrementalHoareTripleChecker+Invalid, 1545 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 80 mSolverCounterUnsat, 804 mSDtfsCounter, 1465 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 775 GetRequests, 724 SyntacticMatches, 15 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 43 ImplicationChecksByTransitivity, 0.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=278occurred in iteration=5, InterpolantAutomatonStates: 40, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 6 MinimizatonAttempts, 82 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.9s SatisfiabilityAnalysisTime, 8.1s InterpolantComputationTime, 1482 NumberOfCodeBlocks, 1482 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 1472 ConstructedInterpolants, 0 QuantifiedInterpolants, 6869 SizeOfPredicates, 8 NumberOfNonLiveVariables, 588 ConjunctsInSsa, 32 ConjunctsInUnsatCore, 8 InterpolantComputations, 5 PerfectInterpolantSequences, 9420/9600 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 [2023-11-29 00:47:30,721 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1659f834-d3af-4a5a-949c-ed1c6c2e5562/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1659f834-d3af-4a5a-949c-ed1c6c2e5562/bin/uautomizer-verify-BQ2R08f2Ya/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1659f834-d3af-4a5a-949c-ed1c6c2e5562/bin/uautomizer-verify-BQ2R08f2Ya/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1659f834-d3af-4a5a-949c-ed1c6c2e5562/bin/uautomizer-verify-BQ2R08f2Ya/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1659f834-d3af-4a5a-949c-ed1c6c2e5562/bin/uautomizer-verify-BQ2R08f2Ya/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-61.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1659f834-d3af-4a5a-949c-ed1c6c2e5562/bin/uautomizer-verify-BQ2R08f2Ya/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1659f834-d3af-4a5a-949c-ed1c6c2e5562/bin/uautomizer-verify-BQ2R08f2Ya --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 Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash ac494cf4bb95ee7173afff6e37d6c8217c99c93b386253d4b81910df4df15de3 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-29 00:47:32,628 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-29 00:47:32,693 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1659f834-d3af-4a5a-949c-ed1c6c2e5562/bin/uautomizer-verify-BQ2R08f2Ya/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2023-11-29 00:47:32,698 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-29 00:47:32,699 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-29 00:47:32,738 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-29 00:47:32,738 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-29 00:47:32,739 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-29 00:47:32,740 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-29 00:47:32,740 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-29 00:47:32,741 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-29 00:47:32,742 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-29 00:47:32,742 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-29 00:47:32,743 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-29 00:47:32,744 INFO L153 SettingsManager]: * Use SBE=true [2023-11-29 00:47:32,744 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-29 00:47:32,745 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-29 00:47:32,745 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-29 00:47:32,746 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-29 00:47:32,747 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-29 00:47:32,747 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-29 00:47:32,748 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-29 00:47:32,748 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-29 00:47:32,749 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-29 00:47:32,749 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-29 00:47:32,750 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-29 00:47:32,750 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-29 00:47:32,750 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-29 00:47:32,751 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-29 00:47:32,751 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-29 00:47:32,752 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-29 00:47:32,752 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-29 00:47:32,752 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-29 00:47:32,753 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-29 00:47:32,753 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-29 00:47:32,753 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-29 00:47:32,754 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-29 00:47:32,754 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2023-11-29 00:47:32,754 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-29 00:47:32,754 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-29 00:47:32,755 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-29 00:47:32,755 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-29 00:47:32,755 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-29 00:47:32,755 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-29 00:47:32,756 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2023-11-29 00:47:32,756 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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_1659f834-d3af-4a5a-949c-ed1c6c2e5562/bin/uautomizer-verify-BQ2R08f2Ya/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1659f834-d3af-4a5a-949c-ed1c6c2e5562/bin/uautomizer-verify-BQ2R08f2Ya Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ac494cf4bb95ee7173afff6e37d6c8217c99c93b386253d4b81910df4df15de3 [2023-11-29 00:47:33,023 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-29 00:47:33,044 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-29 00:47:33,046 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-29 00:47:33,048 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-29 00:47:33,048 INFO L274 PluginConnector]: CDTParser initialized [2023-11-29 00:47:33,049 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1659f834-d3af-4a5a-949c-ed1c6c2e5562/bin/uautomizer-verify-BQ2R08f2Ya/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-61.i [2023-11-29 00:47:35,817 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-29 00:47:36,031 INFO L384 CDTParser]: Found 1 translation units. [2023-11-29 00:47:36,031 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1659f834-d3af-4a5a-949c-ed1c6c2e5562/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-61.i [2023-11-29 00:47:36,041 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1659f834-d3af-4a5a-949c-ed1c6c2e5562/bin/uautomizer-verify-BQ2R08f2Ya/data/b5c813e8a/f1fecd90f35e412dbf17ff65f7a57557/FLAGc2ac4aad0 [2023-11-29 00:47:36,056 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1659f834-d3af-4a5a-949c-ed1c6c2e5562/bin/uautomizer-verify-BQ2R08f2Ya/data/b5c813e8a/f1fecd90f35e412dbf17ff65f7a57557 [2023-11-29 00:47:36,059 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-29 00:47:36,060 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-29 00:47:36,062 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-29 00:47:36,062 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-29 00:47:36,067 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-29 00:47:36,068 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 12:47:36" (1/1) ... [2023-11-29 00:47:36,069 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3d65a36e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 12:47:36, skipping insertion in model container [2023-11-29 00:47:36,069 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 12:47:36" (1/1) ... [2023-11-29 00:47:36,100 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-29 00:47:36,247 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_1659f834-d3af-4a5a-949c-ed1c6c2e5562/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-61.i[916,929] [2023-11-29 00:47:36,306 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 00:47:36,322 INFO L202 MainTranslator]: Completed pre-run [2023-11-29 00:47:36,335 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_1659f834-d3af-4a5a-949c-ed1c6c2e5562/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-61.i[916,929] [2023-11-29 00:47:36,377 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 00:47:36,415 INFO L206 MainTranslator]: Completed translation [2023-11-29 00:47:36,416 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 12:47:36 WrapperNode [2023-11-29 00:47:36,416 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-29 00:47:36,433 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-29 00:47:36,433 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-29 00:47:36,434 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-29 00:47:36,442 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 12:47:36" (1/1) ... [2023-11-29 00:47:36,482 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 12:47:36" (1/1) ... [2023-11-29 00:47:36,523 INFO L138 Inliner]: procedures = 36, calls = 184, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 444 [2023-11-29 00:47:36,524 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-29 00:47:36,525 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-29 00:47:36,525 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-29 00:47:36,525 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-29 00:47:36,535 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 12:47:36" (1/1) ... [2023-11-29 00:47:36,535 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 12:47:36" (1/1) ... [2023-11-29 00:47:36,545 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 12:47:36" (1/1) ... [2023-11-29 00:47:36,567 INFO L175 MemorySlicer]: Split 147 memory accesses to 2 slices as follows [2, 145]. 99 percent of accesses are in the largest equivalence class. The 22 initializations are split as follows [2, 20]. The 23 writes are split as follows [0, 23]. [2023-11-29 00:47:36,567 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 12:47:36" (1/1) ... [2023-11-29 00:47:36,568 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 12:47:36" (1/1) ... [2023-11-29 00:47:36,596 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 12:47:36" (1/1) ... [2023-11-29 00:47:36,601 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 12:47:36" (1/1) ... [2023-11-29 00:47:36,605 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 12:47:36" (1/1) ... [2023-11-29 00:47:36,609 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 12:47:36" (1/1) ... [2023-11-29 00:47:36,616 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-29 00:47:36,617 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-29 00:47:36,617 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-29 00:47:36,617 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-29 00:47:36,618 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 12:47:36" (1/1) ... [2023-11-29 00:47:36,624 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-29 00:47:36,635 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1659f834-d3af-4a5a-949c-ed1c6c2e5562/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 00:47:36,648 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1659f834-d3af-4a5a-949c-ed1c6c2e5562/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2023-11-29 00:47:36,668 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1659f834-d3af-4a5a-949c-ed1c6c2e5562/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2023-11-29 00:47:36,689 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-29 00:47:36,689 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#0 [2023-11-29 00:47:36,690 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#1 [2023-11-29 00:47:36,690 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#0 [2023-11-29 00:47:36,690 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#1 [2023-11-29 00:47:36,690 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#0 [2023-11-29 00:47:36,690 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#1 [2023-11-29 00:47:36,691 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#0 [2023-11-29 00:47:36,691 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#1 [2023-11-29 00:47:36,691 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2023-11-29 00:47:36,691 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#1 [2023-11-29 00:47:36,692 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#0 [2023-11-29 00:47:36,692 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#1 [2023-11-29 00:47:36,692 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#0 [2023-11-29 00:47:36,692 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#1 [2023-11-29 00:47:36,692 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#0 [2023-11-29 00:47:36,693 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#1 [2023-11-29 00:47:36,693 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#0 [2023-11-29 00:47:36,693 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#1 [2023-11-29 00:47:36,693 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#0 [2023-11-29 00:47:36,693 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#1 [2023-11-29 00:47:36,694 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-29 00:47:36,694 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-29 00:47:36,694 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-29 00:47:36,694 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-29 00:47:36,694 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#0 [2023-11-29 00:47:36,695 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#1 [2023-11-29 00:47:36,695 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#0 [2023-11-29 00:47:36,695 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#1 [2023-11-29 00:47:36,825 INFO L241 CfgBuilder]: Building ICFG [2023-11-29 00:47:36,827 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-29 00:47:37,929 INFO L282 CfgBuilder]: Performing block encoding [2023-11-29 00:47:37,979 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-29 00:47:37,979 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-29 00:47:37,979 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 12:47:37 BoogieIcfgContainer [2023-11-29 00:47:37,979 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-29 00:47:37,982 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-29 00:47:37,982 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-29 00:47:37,985 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-29 00:47:37,985 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.11 12:47:36" (1/3) ... [2023-11-29 00:47:37,986 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@242e67af and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 12:47:37, skipping insertion in model container [2023-11-29 00:47:37,986 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 12:47:36" (2/3) ... [2023-11-29 00:47:37,987 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@242e67af and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 12:47:37, skipping insertion in model container [2023-11-29 00:47:37,987 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 12:47:37" (3/3) ... [2023-11-29 00:47:37,988 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_wrapper-s_file-61.i [2023-11-29 00:47:38,007 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-29 00:47:38,007 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-29 00:47:38,058 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-29 00:47:38,065 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=PETRI_NET, 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;@639dccf6, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-29 00:47:38,065 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-29 00:47:38,069 INFO L276 IsEmpty]: Start isEmpty. Operand has 113 states, 85 states have (on average 1.388235294117647) internal successors, (118), 86 states have internal predecessors, (118), 25 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) [2023-11-29 00:47:38,086 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 186 [2023-11-29 00:47:38,087 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 00:47:38,087 INFO L195 NwaCegarLoop]: trace histogram [25, 25, 25, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 00:47:38,088 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 00:47:38,093 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 00:47:38,093 INFO L85 PathProgramCache]: Analyzing trace with hash -1217593208, now seen corresponding path program 1 times [2023-11-29 00:47:38,107 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 00:47:38,108 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [941873164] [2023-11-29 00:47:38,108 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:47:38,109 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 [2023-11-29 00:47:38,109 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1659f834-d3af-4a5a-949c-ed1c6c2e5562/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 00:47:38,111 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1659f834-d3af-4a5a-949c-ed1c6c2e5562/bin/uautomizer-verify-BQ2R08f2Ya/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) [2023-11-29 00:47:38,117 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1659f834-d3af-4a5a-949c-ed1c6c2e5562/bin/uautomizer-verify-BQ2R08f2Ya/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 [2023-11-29 00:47:38,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:47:38,447 INFO L262 TraceCheckSpWp]: Trace formula consists of 362 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-29 00:47:38,459 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 00:47:38,505 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 620 proven. 0 refuted. 0 times theorem prover too weak. 580 trivial. 0 not checked. [2023-11-29 00:47:38,505 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 00:47:38,506 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-29 00:47:38,506 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [941873164] [2023-11-29 00:47:38,507 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [941873164] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 00:47:38,507 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 00:47:38,508 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 00:47:38,509 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1952170810] [2023-11-29 00:47:38,510 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 00:47:38,515 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-29 00:47:38,516 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-29 00:47:38,542 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-29 00:47:38,542 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-29 00:47:38,544 INFO L87 Difference]: Start difference. First operand has 113 states, 85 states have (on average 1.388235294117647) internal successors, (118), 86 states have internal predecessors, (118), 25 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) Second operand has 2 states, 2 states have (on average 33.5) internal successors, (67), 2 states have internal predecessors, (67), 2 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2023-11-29 00:47:38,585 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 00:47:38,585 INFO L93 Difference]: Finished difference Result 223 states and 359 transitions. [2023-11-29 00:47:38,586 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-29 00:47:38,587 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 33.5) internal successors, (67), 2 states have internal predecessors, (67), 2 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) Word has length 185 [2023-11-29 00:47:38,587 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 00:47:38,594 INFO L225 Difference]: With dead ends: 223 [2023-11-29 00:47:38,594 INFO L226 Difference]: Without dead ends: 111 [2023-11-29 00:47:38,597 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 184 GetRequests, 184 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-29 00:47:38,601 INFO L413 NwaCegarLoop]: 159 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 159 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-29 00:47:38,602 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 159 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-29 00:47:38,616 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 111 states. [2023-11-29 00:47:38,637 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 111 to 111. [2023-11-29 00:47:38,639 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 111 states, 84 states have (on average 1.3452380952380953) internal successors, (113), 84 states have internal predecessors, (113), 25 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) [2023-11-29 00:47:38,642 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 111 states and 163 transitions. [2023-11-29 00:47:38,643 INFO L78 Accepts]: Start accepts. Automaton has 111 states and 163 transitions. Word has length 185 [2023-11-29 00:47:38,644 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 00:47:38,644 INFO L495 AbstractCegarLoop]: Abstraction has 111 states and 163 transitions. [2023-11-29 00:47:38,644 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 33.5) internal successors, (67), 2 states have internal predecessors, (67), 2 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2023-11-29 00:47:38,644 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 163 transitions. [2023-11-29 00:47:38,648 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 186 [2023-11-29 00:47:38,648 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 00:47:38,648 INFO L195 NwaCegarLoop]: trace histogram [25, 25, 25, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 00:47:38,661 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1659f834-d3af-4a5a-949c-ed1c6c2e5562/bin/uautomizer-verify-BQ2R08f2Ya/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 [2023-11-29 00:47:38,852 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1659f834-d3af-4a5a-949c-ed1c6c2e5562/bin/uautomizer-verify-BQ2R08f2Ya/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 [2023-11-29 00:47:38,853 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 00:47:38,853 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 00:47:38,854 INFO L85 PathProgramCache]: Analyzing trace with hash 1164152566, now seen corresponding path program 1 times [2023-11-29 00:47:38,855 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 00:47:38,855 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1231351992] [2023-11-29 00:47:38,855 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:47:38,855 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 [2023-11-29 00:47:38,855 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1659f834-d3af-4a5a-949c-ed1c6c2e5562/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 00:47:38,856 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1659f834-d3af-4a5a-949c-ed1c6c2e5562/bin/uautomizer-verify-BQ2R08f2Ya/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) [2023-11-29 00:47:38,857 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1659f834-d3af-4a5a-949c-ed1c6c2e5562/bin/uautomizer-verify-BQ2R08f2Ya/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 [2023-11-29 00:47:39,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:47:39,150 INFO L262 TraceCheckSpWp]: Trace formula consists of 362 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-29 00:47:39,159 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 00:47:39,226 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1200 trivial. 0 not checked. [2023-11-29 00:47:39,227 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 00:47:39,227 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-29 00:47:39,227 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1231351992] [2023-11-29 00:47:39,228 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1231351992] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 00:47:39,228 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 00:47:39,228 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-29 00:47:39,228 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [349174916] [2023-11-29 00:47:39,229 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 00:47:39,230 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-29 00:47:39,231 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-29 00:47:39,231 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-29 00:47:39,232 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-11-29 00:47:39,232 INFO L87 Difference]: Start difference. First operand 111 states and 163 transitions. Second operand has 6 states, 6 states have (on average 10.5) internal successors, (63), 6 states have internal predecessors, (63), 1 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 1 states have call predecessors, (25), 1 states have call successors, (25) [2023-11-29 00:47:39,399 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 00:47:39,399 INFO L93 Difference]: Finished difference Result 253 states and 371 transitions. [2023-11-29 00:47:39,400 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-11-29 00:47:39,400 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 10.5) internal successors, (63), 6 states have internal predecessors, (63), 1 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 1 states have call predecessors, (25), 1 states have call successors, (25) Word has length 185 [2023-11-29 00:47:39,402 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 00:47:39,405 INFO L225 Difference]: With dead ends: 253 [2023-11-29 00:47:39,405 INFO L226 Difference]: Without dead ends: 143 [2023-11-29 00:47:39,406 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 190 GetRequests, 180 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2023-11-29 00:47:39,408 INFO L413 NwaCegarLoop]: 152 mSDtfsCounter, 83 mSDsluCounter, 604 mSDsCounter, 0 mSdLazyCounter, 61 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 83 SdHoareTripleChecker+Valid, 756 SdHoareTripleChecker+Invalid, 67 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 61 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-29 00:47:39,409 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [83 Valid, 756 Invalid, 67 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 61 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-29 00:47:39,410 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 143 states. [2023-11-29 00:47:39,423 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 143 to 117. [2023-11-29 00:47:39,424 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 117 states, 90 states have (on average 1.3222222222222222) internal successors, (119), 90 states have internal predecessors, (119), 25 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) [2023-11-29 00:47:39,426 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 117 states and 169 transitions. [2023-11-29 00:47:39,427 INFO L78 Accepts]: Start accepts. Automaton has 117 states and 169 transitions. Word has length 185 [2023-11-29 00:47:39,429 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 00:47:39,429 INFO L495 AbstractCegarLoop]: Abstraction has 117 states and 169 transitions. [2023-11-29 00:47:39,430 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.5) internal successors, (63), 6 states have internal predecessors, (63), 1 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 1 states have call predecessors, (25), 1 states have call successors, (25) [2023-11-29 00:47:39,430 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 169 transitions. [2023-11-29 00:47:39,434 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 186 [2023-11-29 00:47:39,434 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 00:47:39,434 INFO L195 NwaCegarLoop]: trace histogram [25, 25, 25, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 00:47:39,440 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1659f834-d3af-4a5a-949c-ed1c6c2e5562/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Ended with exit code 0 [2023-11-29 00:47:39,636 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1659f834-d3af-4a5a-949c-ed1c6c2e5562/bin/uautomizer-verify-BQ2R08f2Ya/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 [2023-11-29 00:47:39,637 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 00:47:39,637 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 00:47:39,637 INFO L85 PathProgramCache]: Analyzing trace with hash 354805940, now seen corresponding path program 1 times [2023-11-29 00:47:39,638 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 00:47:39,638 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1260344883] [2023-11-29 00:47:39,638 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:47:39,639 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 [2023-11-29 00:47:39,639 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1659f834-d3af-4a5a-949c-ed1c6c2e5562/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 00:47:39,640 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1659f834-d3af-4a5a-949c-ed1c6c2e5562/bin/uautomizer-verify-BQ2R08f2Ya/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) [2023-11-29 00:47:39,641 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1659f834-d3af-4a5a-949c-ed1c6c2e5562/bin/uautomizer-verify-BQ2R08f2Ya/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 [2023-11-29 00:47:39,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:47:39,916 INFO L262 TraceCheckSpWp]: Trace formula consists of 359 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-29 00:47:39,922 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 00:47:39,998 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1200 trivial. 0 not checked. [2023-11-29 00:47:39,999 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 00:47:39,999 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-29 00:47:39,999 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1260344883] [2023-11-29 00:47:40,000 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1260344883] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 00:47:40,000 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 00:47:40,000 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-11-29 00:47:40,000 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1209767943] [2023-11-29 00:47:40,000 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 00:47:40,001 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-29 00:47:40,002 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-29 00:47:40,002 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-29 00:47:40,003 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2023-11-29 00:47:40,003 INFO L87 Difference]: Start difference. First operand 117 states and 169 transitions. Second operand has 8 states, 8 states have (on average 7.875) internal successors, (63), 8 states have internal predecessors, (63), 1 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 1 states have call predecessors, (25), 1 states have call successors, (25) [2023-11-29 00:47:40,307 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 00:47:40,308 INFO L93 Difference]: Finished difference Result 263 states and 376 transitions. [2023-11-29 00:47:40,308 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2023-11-29 00:47:40,308 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 7.875) internal successors, (63), 8 states have internal predecessors, (63), 1 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 1 states have call predecessors, (25), 1 states have call successors, (25) Word has length 185 [2023-11-29 00:47:40,310 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 00:47:40,311 INFO L225 Difference]: With dead ends: 263 [2023-11-29 00:47:40,311 INFO L226 Difference]: Without dead ends: 147 [2023-11-29 00:47:40,313 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 199 GetRequests, 178 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 93 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=148, Invalid=358, Unknown=0, NotChecked=0, Total=506 [2023-11-29 00:47:40,313 INFO L413 NwaCegarLoop]: 149 mSDtfsCounter, 72 mSDsluCounter, 884 mSDsCounter, 0 mSdLazyCounter, 106 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 72 SdHoareTripleChecker+Valid, 1033 SdHoareTripleChecker+Invalid, 115 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 106 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-29 00:47:40,314 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [72 Valid, 1033 Invalid, 115 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 106 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-29 00:47:40,315 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 147 states. [2023-11-29 00:47:40,326 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 147 to 121. [2023-11-29 00:47:40,326 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 121 states, 94 states have (on average 1.3085106382978724) internal successors, (123), 94 states have internal predecessors, (123), 25 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) [2023-11-29 00:47:40,328 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 121 states and 173 transitions. [2023-11-29 00:47:40,328 INFO L78 Accepts]: Start accepts. Automaton has 121 states and 173 transitions. Word has length 185 [2023-11-29 00:47:40,329 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 00:47:40,329 INFO L495 AbstractCegarLoop]: Abstraction has 121 states and 173 transitions. [2023-11-29 00:47:40,330 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 7.875) internal successors, (63), 8 states have internal predecessors, (63), 1 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 1 states have call predecessors, (25), 1 states have call successors, (25) [2023-11-29 00:47:40,330 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 173 transitions. [2023-11-29 00:47:40,333 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 186 [2023-11-29 00:47:40,333 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 00:47:40,334 INFO L195 NwaCegarLoop]: trace histogram [25, 25, 25, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 00:47:40,341 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1659f834-d3af-4a5a-949c-ed1c6c2e5562/bin/uautomizer-verify-BQ2R08f2Ya/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 [2023-11-29 00:47:40,536 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1659f834-d3af-4a5a-949c-ed1c6c2e5562/bin/uautomizer-verify-BQ2R08f2Ya/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 [2023-11-29 00:47:40,537 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 00:47:40,537 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 00:47:40,537 INFO L85 PathProgramCache]: Analyzing trace with hash 354865522, now seen corresponding path program 1 times [2023-11-29 00:47:40,538 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 00:47:40,538 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1095519647] [2023-11-29 00:47:40,538 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:47:40,538 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 [2023-11-29 00:47:40,538 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1659f834-d3af-4a5a-949c-ed1c6c2e5562/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 00:47:40,539 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1659f834-d3af-4a5a-949c-ed1c6c2e5562/bin/uautomizer-verify-BQ2R08f2Ya/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) [2023-11-29 00:47:40,540 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1659f834-d3af-4a5a-949c-ed1c6c2e5562/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2023-11-29 00:47:40,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:47:40,782 INFO L262 TraceCheckSpWp]: Trace formula consists of 357 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-29 00:47:40,786 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 00:47:40,825 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 55 treesize of output 19 [2023-11-29 00:47:40,864 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1200 trivial. 0 not checked. [2023-11-29 00:47:40,865 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 00:47:40,865 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-29 00:47:40,865 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1095519647] [2023-11-29 00:47:40,866 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1095519647] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 00:47:40,866 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 00:47:40,866 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-29 00:47:40,866 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [490313815] [2023-11-29 00:47:40,866 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 00:47:40,867 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 00:47:40,868 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-29 00:47:40,868 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 00:47:40,869 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 00:47:40,869 INFO L87 Difference]: Start difference. First operand 121 states and 173 transitions. Second operand has 3 states, 3 states have (on average 21.0) internal successors, (63), 3 states have internal predecessors, (63), 1 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 1 states have call predecessors, (25), 1 states have call successors, (25) [2023-11-29 00:47:41,096 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 00:47:41,097 INFO L93 Difference]: Finished difference Result 241 states and 345 transitions. [2023-11-29 00:47:41,097 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 00:47:41,098 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 21.0) internal successors, (63), 3 states have internal predecessors, (63), 1 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 1 states have call predecessors, (25), 1 states have call successors, (25) Word has length 185 [2023-11-29 00:47:41,099 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 00:47:41,100 INFO L225 Difference]: With dead ends: 241 [2023-11-29 00:47:41,100 INFO L226 Difference]: Without dead ends: 121 [2023-11-29 00:47:41,101 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 184 GetRequests, 183 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 00:47:41,102 INFO L413 NwaCegarLoop]: 157 mSDtfsCounter, 1 mSDsluCounter, 153 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 310 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-29 00:47:41,103 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 310 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-29 00:47:41,104 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 121 states. [2023-11-29 00:47:41,114 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 121 to 121. [2023-11-29 00:47:41,114 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 121 states, 94 states have (on average 1.297872340425532) internal successors, (122), 94 states have internal predecessors, (122), 25 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) [2023-11-29 00:47:41,116 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 121 states and 172 transitions. [2023-11-29 00:47:41,116 INFO L78 Accepts]: Start accepts. Automaton has 121 states and 172 transitions. Word has length 185 [2023-11-29 00:47:41,117 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 00:47:41,117 INFO L495 AbstractCegarLoop]: Abstraction has 121 states and 172 transitions. [2023-11-29 00:47:41,118 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 21.0) internal successors, (63), 3 states have internal predecessors, (63), 1 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 1 states have call predecessors, (25), 1 states have call successors, (25) [2023-11-29 00:47:41,118 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 172 transitions. [2023-11-29 00:47:41,121 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 186 [2023-11-29 00:47:41,121 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 00:47:41,121 INFO L195 NwaCegarLoop]: trace histogram [25, 25, 25, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 00:47:41,128 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1659f834-d3af-4a5a-949c-ed1c6c2e5562/bin/uautomizer-verify-BQ2R08f2Ya/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)] Forceful destruction successful, exit code 0 [2023-11-29 00:47:41,321 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1659f834-d3af-4a5a-949c-ed1c6c2e5562/bin/uautomizer-verify-BQ2R08f2Ya/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 [2023-11-29 00:47:41,322 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 00:47:41,322 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 00:47:41,323 INFO L85 PathProgramCache]: Analyzing trace with hash 777567348, now seen corresponding path program 1 times [2023-11-29 00:47:41,323 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 00:47:41,324 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2042304358] [2023-11-29 00:47:41,324 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:47:41,324 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 [2023-11-29 00:47:41,324 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1659f834-d3af-4a5a-949c-ed1c6c2e5562/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 00:47:41,325 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1659f834-d3af-4a5a-949c-ed1c6c2e5562/bin/uautomizer-verify-BQ2R08f2Ya/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) [2023-11-29 00:47:41,326 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1659f834-d3af-4a5a-949c-ed1c6c2e5562/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2023-11-29 00:47:41,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:47:41,657 INFO L262 TraceCheckSpWp]: Trace formula consists of 357 conjuncts, 32 conjunts are in the unsatisfiable core [2023-11-29 00:47:41,667 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 00:47:41,686 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 10 [2023-11-29 00:47:42,051 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 24 [2023-11-29 00:47:42,259 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 47 treesize of output 34 [2023-11-29 00:47:42,590 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 00:47:42,590 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 40 treesize of output 27 [2023-11-29 00:47:42,845 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 00:47:42,845 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 40 treesize of output 27 [2023-11-29 00:47:43,079 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 00:47:43,079 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 35 treesize of output 37 [2023-11-29 00:47:43,425 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 00:47:43,426 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 45 treesize of output 50 [2023-11-29 00:47:43,853 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 00:47:43,854 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 55 treesize of output 63 [2023-11-29 00:47:44,322 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 00:47:44,323 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 65 treesize of output 76 [2023-11-29 00:47:44,872 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 00:47:44,872 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 75 treesize of output 89 [2023-11-29 00:47:45,454 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 00:47:45,454 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 21 case distinctions, treesize of input 90 treesize of output 92 [2023-11-29 00:47:45,754 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 00:47:45,754 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 21 case distinctions, treesize of input 81 treesize of output 33 [2023-11-29 00:47:45,829 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 970 proven. 114 refuted. 0 times theorem prover too weak. 116 trivial. 0 not checked. [2023-11-29 00:47:45,829 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 00:47:46,297 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 24 proven. 114 refuted. 0 times theorem prover too weak. 1062 trivial. 0 not checked. [2023-11-29 00:47:46,297 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-29 00:47:46,297 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2042304358] [2023-11-29 00:47:46,297 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2042304358] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-29 00:47:46,297 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-29 00:47:46,298 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 8] total 24 [2023-11-29 00:47:46,298 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1989417321] [2023-11-29 00:47:46,298 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-29 00:47:46,299 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2023-11-29 00:47:46,299 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-29 00:47:46,300 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2023-11-29 00:47:46,300 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=157, Invalid=395, Unknown=0, NotChecked=0, Total=552 [2023-11-29 00:47:46,301 INFO L87 Difference]: Start difference. First operand 121 states and 172 transitions. Second operand has 24 states, 20 states have (on average 5.95) internal successors, (119), 22 states have internal predecessors, (119), 13 states have call successors, (46), 10 states have call predecessors, (46), 11 states have return successors, (46), 10 states have call predecessors, (46), 13 states have call successors, (46) [2023-11-29 00:47:52,404 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 00:47:52,404 INFO L93 Difference]: Finished difference Result 290 states and 388 transitions. [2023-11-29 00:47:52,405 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2023-11-29 00:47:52,405 INFO L78 Accepts]: Start accepts. Automaton has has 24 states, 20 states have (on average 5.95) internal successors, (119), 22 states have internal predecessors, (119), 13 states have call successors, (46), 10 states have call predecessors, (46), 11 states have return successors, (46), 10 states have call predecessors, (46), 13 states have call successors, (46) Word has length 185 [2023-11-29 00:47:52,406 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 00:47:52,407 INFO L225 Difference]: With dead ends: 290 [2023-11-29 00:47:52,407 INFO L226 Difference]: Without dead ends: 170 [2023-11-29 00:47:52,408 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 390 GetRequests, 345 SyntacticMatches, 1 SemanticMatches, 44 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 405 ImplicationChecksByTransitivity, 2.8s TimeCoverageRelationStatistics Valid=585, Invalid=1485, Unknown=0, NotChecked=0, Total=2070 [2023-11-29 00:47:52,409 INFO L413 NwaCegarLoop]: 80 mSDtfsCounter, 387 mSDsluCounter, 430 mSDsCounter, 0 mSdLazyCounter, 1291 mSolverCounterSat, 89 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 397 SdHoareTripleChecker+Valid, 510 SdHoareTripleChecker+Invalid, 1380 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 89 IncrementalHoareTripleChecker+Valid, 1291 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.3s IncrementalHoareTripleChecker+Time [2023-11-29 00:47:52,409 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [397 Valid, 510 Invalid, 1380 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [89 Valid, 1291 Invalid, 0 Unknown, 0 Unchecked, 4.3s Time] [2023-11-29 00:47:52,410 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 170 states. [2023-11-29 00:47:52,432 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 170 to 161. [2023-11-29 00:47:52,433 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 161 states, 122 states have (on average 1.221311475409836) internal successors, (149), 123 states have internal predecessors, (149), 29 states have call successors, (29), 9 states have call predecessors, (29), 9 states have return successors, (29), 28 states have call predecessors, (29), 29 states have call successors, (29) [2023-11-29 00:47:52,435 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 161 states to 161 states and 207 transitions. [2023-11-29 00:47:52,435 INFO L78 Accepts]: Start accepts. Automaton has 161 states and 207 transitions. Word has length 185 [2023-11-29 00:47:52,436 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 00:47:52,436 INFO L495 AbstractCegarLoop]: Abstraction has 161 states and 207 transitions. [2023-11-29 00:47:52,436 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 20 states have (on average 5.95) internal successors, (119), 22 states have internal predecessors, (119), 13 states have call successors, (46), 10 states have call predecessors, (46), 11 states have return successors, (46), 10 states have call predecessors, (46), 13 states have call successors, (46) [2023-11-29 00:47:52,437 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 207 transitions. [2023-11-29 00:47:52,438 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2023-11-29 00:47:52,438 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 00:47:52,439 INFO L195 NwaCegarLoop]: trace histogram [25, 25, 25, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 00:47:52,445 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1659f834-d3af-4a5a-949c-ed1c6c2e5562/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Ended with exit code 0 [2023-11-29 00:47:52,640 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1659f834-d3af-4a5a-949c-ed1c6c2e5562/bin/uautomizer-verify-BQ2R08f2Ya/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 [2023-11-29 00:47:52,641 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 00:47:52,641 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 00:47:52,641 INFO L85 PathProgramCache]: Analyzing trace with hash -1600891527, now seen corresponding path program 1 times [2023-11-29 00:47:52,641 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 00:47:52,642 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1669504913] [2023-11-29 00:47:52,642 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:47:52,642 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 [2023-11-29 00:47:52,642 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1659f834-d3af-4a5a-949c-ed1c6c2e5562/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 00:47:52,643 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1659f834-d3af-4a5a-949c-ed1c6c2e5562/bin/uautomizer-verify-BQ2R08f2Ya/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) [2023-11-29 00:47:52,644 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1659f834-d3af-4a5a-949c-ed1c6c2e5562/bin/uautomizer-verify-BQ2R08f2Ya/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 [2023-11-29 00:47:52,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:47:52,973 INFO L262 TraceCheckSpWp]: Trace formula consists of 363 conjuncts, 45 conjunts are in the unsatisfiable core [2023-11-29 00:47:52,983 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 00:47:52,986 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2023-11-29 00:47:53,032 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 25 [2023-11-29 00:47:53,155 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 00:47:53,156 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 36 treesize of output 38 [2023-11-29 00:47:53,334 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 00:47:53,335 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 51 treesize of output 41 [2023-11-29 00:47:53,481 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 00:47:53,481 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 51 treesize of output 41 [2023-11-29 00:47:53,635 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 00:47:53,635 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 46 treesize of output 51 [2023-11-29 00:47:53,910 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 00:47:53,911 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 61 treesize of output 54 [2023-11-29 00:47:54,103 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 00:47:54,103 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 61 treesize of output 54 [2023-11-29 00:47:54,313 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 00:47:54,313 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 56 treesize of output 64 [2023-11-29 00:47:54,621 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 00:47:54,621 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 71 treesize of output 67 [2023-11-29 00:47:54,852 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 00:47:54,852 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 66 treesize of output 77 [2023-11-29 00:47:55,238 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 00:47:55,238 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 81 treesize of output 80 [2023-11-29 00:47:55,534 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 00:47:55,535 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 81 treesize of output 80 [2023-11-29 00:47:55,631 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 00:47:55,632 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 81 treesize of output 80 [2023-11-29 00:47:55,678 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 00:47:55,678 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 112 treesize of output 102 [2023-11-29 00:47:55,904 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 00:47:55,904 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 0 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 28 case distinctions, treesize of input 109 treesize of output 117 [2023-11-29 00:47:56,187 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 00:47:56,188 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 0 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 36 case distinctions, treesize of input 119 treesize of output 121 [2023-11-29 00:47:56,333 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 00:47:56,333 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 9 select indices, 9 select index equivalence classes, 0 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 36 case distinctions, treesize of input 144 treesize of output 66 [2023-11-29 00:47:56,452 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 962 proven. 63 refuted. 0 times theorem prover too weak. 175 trivial. 0 not checked. [2023-11-29 00:47:56,453 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 00:47:56,675 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1200 trivial. 0 not checked. [2023-11-29 00:47:56,676 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-29 00:47:56,676 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1669504913] [2023-11-29 00:47:56,676 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1669504913] provided 1 perfect and 1 imperfect interpolant sequences [2023-11-29 00:47:56,676 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-29 00:47:56,676 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [16] total 19 [2023-11-29 00:47:56,676 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1977388194] [2023-11-29 00:47:56,677 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 00:47:56,677 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-29 00:47:56,677 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-29 00:47:56,678 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-29 00:47:56,678 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=276, Unknown=0, NotChecked=0, Total=342 [2023-11-29 00:47:56,679 INFO L87 Difference]: Start difference. First operand 161 states and 207 transitions. Second operand has 6 states, 6 states have (on average 10.833333333333334) internal successors, (65), 6 states have internal predecessors, (65), 1 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 1 states have call predecessors, (25), 1 states have call successors, (25) [2023-11-29 00:47:57,604 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 00:47:57,604 INFO L93 Difference]: Finished difference Result 408 states and 526 transitions. [2023-11-29 00:47:57,605 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-11-29 00:47:57,605 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 10.833333333333334) internal successors, (65), 6 states have internal predecessors, (65), 1 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 1 states have call predecessors, (25), 1 states have call successors, (25) Word has length 187 [2023-11-29 00:47:57,606 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 00:47:57,609 INFO L225 Difference]: With dead ends: 408 [2023-11-29 00:47:57,609 INFO L226 Difference]: Without dead ends: 256 [2023-11-29 00:47:57,611 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 376 GetRequests, 355 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 76 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=89, Invalid=417, Unknown=0, NotChecked=0, Total=506 [2023-11-29 00:47:57,611 INFO L413 NwaCegarLoop]: 138 mSDtfsCounter, 171 mSDsluCounter, 479 mSDsCounter, 0 mSdLazyCounter, 205 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 171 SdHoareTripleChecker+Valid, 617 SdHoareTripleChecker+Invalid, 209 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 205 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2023-11-29 00:47:57,612 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [171 Valid, 617 Invalid, 209 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 205 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2023-11-29 00:47:57,613 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 256 states. [2023-11-29 00:47:57,631 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 256 to 222. [2023-11-29 00:47:57,632 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 222 states, 179 states have (on average 1.2513966480446927) internal successors, (224), 181 states have internal predecessors, (224), 31 states have call successors, (31), 11 states have call predecessors, (31), 11 states have return successors, (31), 29 states have call predecessors, (31), 31 states have call successors, (31) [2023-11-29 00:47:57,633 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 222 states to 222 states and 286 transitions. [2023-11-29 00:47:57,634 INFO L78 Accepts]: Start accepts. Automaton has 222 states and 286 transitions. Word has length 187 [2023-11-29 00:47:57,634 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 00:47:57,634 INFO L495 AbstractCegarLoop]: Abstraction has 222 states and 286 transitions. [2023-11-29 00:47:57,635 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.833333333333334) internal successors, (65), 6 states have internal predecessors, (65), 1 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 1 states have call predecessors, (25), 1 states have call successors, (25) [2023-11-29 00:47:57,635 INFO L276 IsEmpty]: Start isEmpty. Operand 222 states and 286 transitions. [2023-11-29 00:47:57,637 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2023-11-29 00:47:57,637 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 00:47:57,637 INFO L195 NwaCegarLoop]: trace histogram [25, 25, 25, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 00:47:57,644 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1659f834-d3af-4a5a-949c-ed1c6c2e5562/bin/uautomizer-verify-BQ2R08f2Ya/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)] Ended with exit code 0 [2023-11-29 00:47:57,840 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1659f834-d3af-4a5a-949c-ed1c6c2e5562/bin/uautomizer-verify-BQ2R08f2Ya/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 [2023-11-29 00:47:57,840 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 00:47:57,841 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 00:47:57,841 INFO L85 PathProgramCache]: Analyzing trace with hash 1105727867, now seen corresponding path program 1 times [2023-11-29 00:47:57,841 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 00:47:57,841 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [67178473] [2023-11-29 00:47:57,841 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:47:57,841 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 [2023-11-29 00:47:57,841 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1659f834-d3af-4a5a-949c-ed1c6c2e5562/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 00:47:57,842 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1659f834-d3af-4a5a-949c-ed1c6c2e5562/bin/uautomizer-verify-BQ2R08f2Ya/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) [2023-11-29 00:47:57,843 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1659f834-d3af-4a5a-949c-ed1c6c2e5562/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2023-11-29 00:47:58,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:47:58,183 INFO L262 TraceCheckSpWp]: Trace formula consists of 363 conjuncts, 26 conjunts are in the unsatisfiable core [2023-11-29 00:47:58,194 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 00:47:58,377 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2023-11-29 00:47:58,742 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 80 treesize of output 34 [2023-11-29 00:47:58,804 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 80 treesize of output 34 [2023-11-29 00:47:58,830 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 159 treesize of output 77 [2023-11-29 00:47:59,030 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 00:47:59,030 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 141 treesize of output 89 [2023-11-29 00:47:59,422 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 00:47:59,422 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 215 treesize of output 73 [2023-11-29 00:47:59,562 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 96 proven. 0 refuted. 0 times theorem prover too weak. 1104 trivial. 0 not checked. [2023-11-29 00:47:59,563 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 00:47:59,563 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-29 00:47:59,563 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [67178473] [2023-11-29 00:47:59,563 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [67178473] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 00:47:59,563 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 00:47:59,563 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2023-11-29 00:47:59,563 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [239340037] [2023-11-29 00:47:59,563 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 00:47:59,563 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-11-29 00:47:59,564 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-29 00:47:59,564 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-11-29 00:47:59,564 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2023-11-29 00:47:59,564 INFO L87 Difference]: Start difference. First operand 222 states and 286 transitions. Second operand has 11 states, 11 states have (on average 6.181818181818182) internal successors, (68), 10 states have internal predecessors, (68), 2 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2023-11-29 00:48:08,322 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 00:48:08,322 INFO L93 Difference]: Finished difference Result 648 states and 832 transitions. [2023-11-29 00:48:08,323 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-11-29 00:48:08,324 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 6.181818181818182) internal successors, (68), 10 states have internal predecessors, (68), 2 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) Word has length 187 [2023-11-29 00:48:08,324 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 00:48:08,326 INFO L225 Difference]: With dead ends: 648 [2023-11-29 00:48:08,326 INFO L226 Difference]: Without dead ends: 439 [2023-11-29 00:48:08,327 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 189 GetRequests, 177 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=54, Invalid=128, Unknown=0, NotChecked=0, Total=182 [2023-11-29 00:48:08,328 INFO L413 NwaCegarLoop]: 164 mSDtfsCounter, 460 mSDsluCounter, 344 mSDsCounter, 0 mSdLazyCounter, 1425 mSolverCounterSat, 28 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 462 SdHoareTripleChecker+Valid, 508 SdHoareTripleChecker+Invalid, 1453 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 28 IncrementalHoareTripleChecker+Valid, 1425 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.4s IncrementalHoareTripleChecker+Time [2023-11-29 00:48:08,328 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [462 Valid, 508 Invalid, 1453 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [28 Valid, 1425 Invalid, 0 Unknown, 0 Unchecked, 8.4s Time] [2023-11-29 00:48:08,329 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 439 states. [2023-11-29 00:48:08,372 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 439 to 429. [2023-11-29 00:48:08,374 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 429 states, 348 states have (on average 1.25) internal successors, (435), 352 states have internal predecessors, (435), 58 states have call successors, (58), 22 states have call predecessors, (58), 22 states have return successors, (58), 54 states have call predecessors, (58), 58 states have call successors, (58) [2023-11-29 00:48:08,376 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 429 states to 429 states and 551 transitions. [2023-11-29 00:48:08,377 INFO L78 Accepts]: Start accepts. Automaton has 429 states and 551 transitions. Word has length 187 [2023-11-29 00:48:08,377 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 00:48:08,377 INFO L495 AbstractCegarLoop]: Abstraction has 429 states and 551 transitions. [2023-11-29 00:48:08,378 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 6.181818181818182) internal successors, (68), 10 states have internal predecessors, (68), 2 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2023-11-29 00:48:08,378 INFO L276 IsEmpty]: Start isEmpty. Operand 429 states and 551 transitions. [2023-11-29 00:48:08,379 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2023-11-29 00:48:08,379 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 00:48:08,380 INFO L195 NwaCegarLoop]: trace histogram [25, 25, 25, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 00:48:08,387 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1659f834-d3af-4a5a-949c-ed1c6c2e5562/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (8)] Forceful destruction successful, exit code 0 [2023-11-29 00:48:08,580 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1659f834-d3af-4a5a-949c-ed1c6c2e5562/bin/uautomizer-verify-BQ2R08f2Ya/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 [2023-11-29 00:48:08,580 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 00:48:08,580 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 00:48:08,581 INFO L85 PathProgramCache]: Analyzing trace with hash 288079417, now seen corresponding path program 1 times [2023-11-29 00:48:08,581 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 00:48:08,581 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1875695823] [2023-11-29 00:48:08,581 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:48:08,581 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 [2023-11-29 00:48:08,581 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1659f834-d3af-4a5a-949c-ed1c6c2e5562/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 00:48:08,582 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1659f834-d3af-4a5a-949c-ed1c6c2e5562/bin/uautomizer-verify-BQ2R08f2Ya/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) [2023-11-29 00:48:08,583 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1659f834-d3af-4a5a-949c-ed1c6c2e5562/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2023-11-29 00:48:08,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:48:08,903 INFO L262 TraceCheckSpWp]: Trace formula consists of 360 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-29 00:48:08,907 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 00:48:08,914 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2023-11-29 00:48:08,931 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 00:48:08,931 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 47 treesize of output 37 [2023-11-29 00:48:09,026 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 00:48:09,027 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 97 treesize of output 33 [2023-11-29 00:48:09,083 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1200 trivial. 0 not checked. [2023-11-29 00:48:09,083 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 00:48:09,083 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-29 00:48:09,083 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1875695823] [2023-11-29 00:48:09,083 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1875695823] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 00:48:09,083 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 00:48:09,084 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-29 00:48:09,084 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [944995163] [2023-11-29 00:48:09,084 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 00:48:09,084 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-29 00:48:09,084 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-29 00:48:09,085 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-29 00:48:09,085 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-29 00:48:09,085 INFO L87 Difference]: Start difference. First operand 429 states and 551 transitions. Second operand has 5 states, 5 states have (on average 13.0) internal successors, (65), 5 states have internal predecessors, (65), 1 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 1 states have call predecessors, (25), 1 states have call successors, (25) [2023-11-29 00:48:10,593 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 00:48:10,593 INFO L93 Difference]: Finished difference Result 909 states and 1173 transitions. [2023-11-29 00:48:10,599 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-29 00:48:10,599 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 13.0) internal successors, (65), 5 states have internal predecessors, (65), 1 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 1 states have call predecessors, (25), 1 states have call successors, (25) Word has length 187 [2023-11-29 00:48:10,600 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 00:48:10,602 INFO L225 Difference]: With dead ends: 909 [2023-11-29 00:48:10,602 INFO L226 Difference]: Without dead ends: 493 [2023-11-29 00:48:10,603 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 187 GetRequests, 183 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2023-11-29 00:48:10,603 INFO L413 NwaCegarLoop]: 140 mSDtfsCounter, 121 mSDsluCounter, 315 mSDsCounter, 0 mSdLazyCounter, 212 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 121 SdHoareTripleChecker+Valid, 455 SdHoareTripleChecker+Invalid, 215 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 212 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2023-11-29 00:48:10,604 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [121 Valid, 455 Invalid, 215 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 212 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2023-11-29 00:48:10,604 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 493 states. [2023-11-29 00:48:10,656 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 493 to 427. [2023-11-29 00:48:10,657 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 427 states, 346 states have (on average 1.245664739884393) internal successors, (431), 350 states have internal predecessors, (431), 58 states have call successors, (58), 22 states have call predecessors, (58), 22 states have return successors, (58), 54 states have call predecessors, (58), 58 states have call successors, (58) [2023-11-29 00:48:10,660 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 427 states to 427 states and 547 transitions. [2023-11-29 00:48:10,661 INFO L78 Accepts]: Start accepts. Automaton has 427 states and 547 transitions. Word has length 187 [2023-11-29 00:48:10,661 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 00:48:10,661 INFO L495 AbstractCegarLoop]: Abstraction has 427 states and 547 transitions. [2023-11-29 00:48:10,661 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 13.0) internal successors, (65), 5 states have internal predecessors, (65), 1 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 1 states have call predecessors, (25), 1 states have call successors, (25) [2023-11-29 00:48:10,662 INFO L276 IsEmpty]: Start isEmpty. Operand 427 states and 547 transitions. [2023-11-29 00:48:10,663 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2023-11-29 00:48:10,663 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 00:48:10,663 INFO L195 NwaCegarLoop]: trace histogram [25, 25, 25, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 00:48:10,669 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1659f834-d3af-4a5a-949c-ed1c6c2e5562/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (9)] Ended with exit code 0 [2023-11-29 00:48:10,864 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1659f834-d3af-4a5a-949c-ed1c6c2e5562/bin/uautomizer-verify-BQ2R08f2Ya/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 [2023-11-29 00:48:10,864 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 00:48:10,864 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 00:48:10,865 INFO L85 PathProgramCache]: Analyzing trace with hash -1029868480, now seen corresponding path program 1 times [2023-11-29 00:48:10,865 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 00:48:10,865 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1733626308] [2023-11-29 00:48:10,865 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:48:10,865 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 [2023-11-29 00:48:10,865 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1659f834-d3af-4a5a-949c-ed1c6c2e5562/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 00:48:10,866 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1659f834-d3af-4a5a-949c-ed1c6c2e5562/bin/uautomizer-verify-BQ2R08f2Ya/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) [2023-11-29 00:48:10,867 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1659f834-d3af-4a5a-949c-ed1c6c2e5562/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (10)] Waiting until timeout for monitored process [2023-11-29 00:48:11,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:48:11,071 INFO L262 TraceCheckSpWp]: Trace formula consists of 358 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-29 00:48:11,074 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 00:48:11,083 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 55 treesize of output 19 [2023-11-29 00:48:11,103 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1200 trivial. 0 not checked. [2023-11-29 00:48:11,103 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 00:48:11,103 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-29 00:48:11,103 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1733626308] [2023-11-29 00:48:11,103 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1733626308] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 00:48:11,103 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 00:48:11,103 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-29 00:48:11,104 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1212307484] [2023-11-29 00:48:11,104 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 00:48:11,104 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 00:48:11,104 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-29 00:48:11,105 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 00:48:11,105 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 00:48:11,105 INFO L87 Difference]: Start difference. First operand 427 states and 547 transitions. Second operand has 3 states, 3 states have (on average 21.666666666666668) internal successors, (65), 3 states have internal predecessors, (65), 1 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 1 states have call predecessors, (25), 1 states have call successors, (25) [2023-11-29 00:48:11,223 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 00:48:11,223 INFO L93 Difference]: Finished difference Result 825 states and 1056 transitions. [2023-11-29 00:48:11,224 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 00:48:11,224 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 21.666666666666668) internal successors, (65), 3 states have internal predecessors, (65), 1 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 1 states have call predecessors, (25), 1 states have call successors, (25) Word has length 187 [2023-11-29 00:48:11,224 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 00:48:11,226 INFO L225 Difference]: With dead ends: 825 [2023-11-29 00:48:11,226 INFO L226 Difference]: Without dead ends: 411 [2023-11-29 00:48:11,227 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 186 GetRequests, 185 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 00:48:11,228 INFO L413 NwaCegarLoop]: 152 mSDtfsCounter, 41 mSDsluCounter, 111 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 41 SdHoareTripleChecker+Valid, 263 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-29 00:48:11,228 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [41 Valid, 263 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-29 00:48:11,229 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 411 states. [2023-11-29 00:48:11,270 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 411 to 411. [2023-11-29 00:48:11,271 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 411 states, 330 states have (on average 1.2272727272727273) internal successors, (405), 334 states have internal predecessors, (405), 58 states have call successors, (58), 22 states have call predecessors, (58), 22 states have return successors, (58), 54 states have call predecessors, (58), 58 states have call successors, (58) [2023-11-29 00:48:11,274 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 411 states to 411 states and 521 transitions. [2023-11-29 00:48:11,274 INFO L78 Accepts]: Start accepts. Automaton has 411 states and 521 transitions. Word has length 187 [2023-11-29 00:48:11,275 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 00:48:11,275 INFO L495 AbstractCegarLoop]: Abstraction has 411 states and 521 transitions. [2023-11-29 00:48:11,275 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 21.666666666666668) internal successors, (65), 3 states have internal predecessors, (65), 1 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 1 states have call predecessors, (25), 1 states have call successors, (25) [2023-11-29 00:48:11,275 INFO L276 IsEmpty]: Start isEmpty. Operand 411 states and 521 transitions. [2023-11-29 00:48:11,277 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2023-11-29 00:48:11,277 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 00:48:11,277 INFO L195 NwaCegarLoop]: trace histogram [25, 25, 25, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 00:48:11,283 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1659f834-d3af-4a5a-949c-ed1c6c2e5562/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (10)] Ended with exit code 0 [2023-11-29 00:48:11,477 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1659f834-d3af-4a5a-949c-ed1c6c2e5562/bin/uautomizer-verify-BQ2R08f2Ya/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 [2023-11-29 00:48:11,478 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 00:48:11,478 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 00:48:11,478 INFO L85 PathProgramCache]: Analyzing trace with hash 888637435, now seen corresponding path program 1 times [2023-11-29 00:48:11,478 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 00:48:11,479 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2048942553] [2023-11-29 00:48:11,479 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:48:11,479 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 [2023-11-29 00:48:11,479 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1659f834-d3af-4a5a-949c-ed1c6c2e5562/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 00:48:11,480 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1659f834-d3af-4a5a-949c-ed1c6c2e5562/bin/uautomizer-verify-BQ2R08f2Ya/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) [2023-11-29 00:48:11,484 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1659f834-d3af-4a5a-949c-ed1c6c2e5562/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (11)] Waiting until timeout for monitored process [2023-11-29 00:48:11,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:48:11,836 INFO L262 TraceCheckSpWp]: Trace formula consists of 363 conjuncts, 26 conjunts are in the unsatisfiable core [2023-11-29 00:48:11,842 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 00:48:12,071 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2023-11-29 00:48:12,398 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 80 treesize of output 34 [2023-11-29 00:48:12,465 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 80 treesize of output 34 [2023-11-29 00:48:12,492 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 159 treesize of output 77 [2023-11-29 00:48:12,667 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 00:48:12,668 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 141 treesize of output 89 [2023-11-29 00:48:13,016 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 00:48:13,017 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 215 treesize of output 73 [2023-11-29 00:48:13,176 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 96 proven. 0 refuted. 0 times theorem prover too weak. 1104 trivial. 0 not checked. [2023-11-29 00:48:13,176 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 00:48:13,177 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-29 00:48:13,177 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2048942553] [2023-11-29 00:48:13,177 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2048942553] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 00:48:13,177 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 00:48:13,177 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2023-11-29 00:48:13,177 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [556554097] [2023-11-29 00:48:13,177 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 00:48:13,177 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-11-29 00:48:13,177 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-29 00:48:13,178 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-11-29 00:48:13,178 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2023-11-29 00:48:13,178 INFO L87 Difference]: Start difference. First operand 411 states and 521 transitions. Second operand has 11 states, 11 states have (on average 6.181818181818182) internal successors, (68), 10 states have internal predecessors, (68), 2 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2023-11-29 00:48:20,521 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 00:48:20,521 INFO L93 Difference]: Finished difference Result 875 states and 1111 transitions. [2023-11-29 00:48:20,522 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-11-29 00:48:20,522 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 6.181818181818182) internal successors, (68), 10 states have internal predecessors, (68), 2 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) Word has length 187 [2023-11-29 00:48:20,522 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 00:48:20,525 INFO L225 Difference]: With dead ends: 875 [2023-11-29 00:48:20,525 INFO L226 Difference]: Without dead ends: 477 [2023-11-29 00:48:20,526 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 189 GetRequests, 177 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=54, Invalid=128, Unknown=0, NotChecked=0, Total=182 [2023-11-29 00:48:20,527 INFO L413 NwaCegarLoop]: 172 mSDtfsCounter, 286 mSDsluCounter, 367 mSDsCounter, 0 mSdLazyCounter, 1453 mSolverCounterSat, 24 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 288 SdHoareTripleChecker+Valid, 539 SdHoareTripleChecker+Invalid, 1477 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 1453 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.9s IncrementalHoareTripleChecker+Time [2023-11-29 00:48:20,527 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [288 Valid, 539 Invalid, 1477 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [24 Valid, 1453 Invalid, 0 Unknown, 0 Unchecked, 6.9s Time] [2023-11-29 00:48:20,528 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 477 states. [2023-11-29 00:48:20,570 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 477 to 467. [2023-11-29 00:48:20,571 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 467 states, 381 states have (on average 1.236220472440945) internal successors, (471), 386 states have internal predecessors, (471), 62 states have call successors, (62), 23 states have call predecessors, (62), 23 states have return successors, (62), 57 states have call predecessors, (62), 62 states have call successors, (62) [2023-11-29 00:48:20,573 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 467 states to 467 states and 595 transitions. [2023-11-29 00:48:20,574 INFO L78 Accepts]: Start accepts. Automaton has 467 states and 595 transitions. Word has length 187 [2023-11-29 00:48:20,574 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 00:48:20,574 INFO L495 AbstractCegarLoop]: Abstraction has 467 states and 595 transitions. [2023-11-29 00:48:20,574 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 6.181818181818182) internal successors, (68), 10 states have internal predecessors, (68), 2 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2023-11-29 00:48:20,574 INFO L276 IsEmpty]: Start isEmpty. Operand 467 states and 595 transitions. [2023-11-29 00:48:20,576 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2023-11-29 00:48:20,576 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 00:48:20,576 INFO L195 NwaCegarLoop]: trace histogram [25, 25, 25, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 00:48:20,582 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1659f834-d3af-4a5a-949c-ed1c6c2e5562/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (11)] Ended with exit code 0 [2023-11-29 00:48:20,776 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1659f834-d3af-4a5a-949c-ed1c6c2e5562/bin/uautomizer-verify-BQ2R08f2Ya/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 [2023-11-29 00:48:20,777 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 00:48:20,777 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 00:48:20,777 INFO L85 PathProgramCache]: Analyzing trace with hash 70988985, now seen corresponding path program 1 times [2023-11-29 00:48:20,778 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 00:48:20,778 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [418157089] [2023-11-29 00:48:20,778 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:48:20,778 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 [2023-11-29 00:48:20,778 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1659f834-d3af-4a5a-949c-ed1c6c2e5562/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 00:48:20,779 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1659f834-d3af-4a5a-949c-ed1c6c2e5562/bin/uautomizer-verify-BQ2R08f2Ya/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) [2023-11-29 00:48:20,780 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1659f834-d3af-4a5a-949c-ed1c6c2e5562/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (12)] Waiting until timeout for monitored process [2023-11-29 00:48:21,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:48:21,105 INFO L262 TraceCheckSpWp]: Trace formula consists of 360 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-29 00:48:21,109 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 00:48:21,116 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2023-11-29 00:48:21,140 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 00:48:21,140 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 72 treesize of output 44 [2023-11-29 00:48:21,204 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 00:48:21,204 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 95 treesize of output 31 [2023-11-29 00:48:21,237 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1200 trivial. 0 not checked. [2023-11-29 00:48:21,238 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 00:48:21,238 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-29 00:48:21,238 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [418157089] [2023-11-29 00:48:21,238 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [418157089] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 00:48:21,238 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 00:48:21,238 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-29 00:48:21,238 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1046442482] [2023-11-29 00:48:21,238 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 00:48:21,239 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-29 00:48:21,239 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-29 00:48:21,239 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-29 00:48:21,240 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-29 00:48:21,240 INFO L87 Difference]: Start difference. First operand 467 states and 595 transitions. Second operand has 5 states, 5 states have (on average 13.0) internal successors, (65), 5 states have internal predecessors, (65), 1 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 1 states have call predecessors, (25), 1 states have call successors, (25) [2023-11-29 00:48:22,362 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 00:48:22,362 INFO L93 Difference]: Finished difference Result 981 states and 1252 transitions. [2023-11-29 00:48:22,363 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-29 00:48:22,363 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 13.0) internal successors, (65), 5 states have internal predecessors, (65), 1 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 1 states have call predecessors, (25), 1 states have call successors, (25) Word has length 187 [2023-11-29 00:48:22,363 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 00:48:22,365 INFO L225 Difference]: With dead ends: 981 [2023-11-29 00:48:22,365 INFO L226 Difference]: Without dead ends: 527 [2023-11-29 00:48:22,366 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 187 GetRequests, 183 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2023-11-29 00:48:22,367 INFO L413 NwaCegarLoop]: 173 mSDtfsCounter, 97 mSDsluCounter, 350 mSDsCounter, 0 mSdLazyCounter, 223 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 97 SdHoareTripleChecker+Valid, 523 SdHoareTripleChecker+Invalid, 226 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 223 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2023-11-29 00:48:22,367 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [97 Valid, 523 Invalid, 226 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 223 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2023-11-29 00:48:22,368 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 527 states. [2023-11-29 00:48:22,413 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 527 to 523. [2023-11-29 00:48:22,414 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 523 states, 432 states have (on average 1.2407407407407407) internal successors, (536), 438 states have internal predecessors, (536), 66 states have call successors, (66), 24 states have call predecessors, (66), 24 states have return successors, (66), 60 states have call predecessors, (66), 66 states have call successors, (66) [2023-11-29 00:48:22,416 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 523 states to 523 states and 668 transitions. [2023-11-29 00:48:22,417 INFO L78 Accepts]: Start accepts. Automaton has 523 states and 668 transitions. Word has length 187 [2023-11-29 00:48:22,417 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 00:48:22,417 INFO L495 AbstractCegarLoop]: Abstraction has 523 states and 668 transitions. [2023-11-29 00:48:22,417 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 13.0) internal successors, (65), 5 states have internal predecessors, (65), 1 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 1 states have call predecessors, (25), 1 states have call successors, (25) [2023-11-29 00:48:22,417 INFO L276 IsEmpty]: Start isEmpty. Operand 523 states and 668 transitions. [2023-11-29 00:48:22,418 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2023-11-29 00:48:22,418 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 00:48:22,418 INFO L195 NwaCegarLoop]: trace histogram [25, 25, 25, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 00:48:22,424 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1659f834-d3af-4a5a-949c-ed1c6c2e5562/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (12)] Ended with exit code 0 [2023-11-29 00:48:22,619 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1659f834-d3af-4a5a-949c-ed1c6c2e5562/bin/uautomizer-verify-BQ2R08f2Ya/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 [2023-11-29 00:48:22,619 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 00:48:22,619 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 00:48:22,619 INFO L85 PathProgramCache]: Analyzing trace with hash -1517358917, now seen corresponding path program 1 times [2023-11-29 00:48:22,620 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 00:48:22,620 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1991219875] [2023-11-29 00:48:22,620 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:48:22,620 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 [2023-11-29 00:48:22,620 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1659f834-d3af-4a5a-949c-ed1c6c2e5562/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 00:48:22,621 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1659f834-d3af-4a5a-949c-ed1c6c2e5562/bin/uautomizer-verify-BQ2R08f2Ya/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) [2023-11-29 00:48:22,622 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1659f834-d3af-4a5a-949c-ed1c6c2e5562/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (13)] Waiting until timeout for monitored process [2023-11-29 00:48:22,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:48:22,963 INFO L262 TraceCheckSpWp]: Trace formula consists of 360 conjuncts, 21 conjunts are in the unsatisfiable core [2023-11-29 00:48:22,968 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 00:48:23,187 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2023-11-29 00:48:23,420 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 80 treesize of output 34 [2023-11-29 00:48:23,465 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 80 treesize of output 34 [2023-11-29 00:48:23,486 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 00:48:23,486 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 167 treesize of output 88 [2023-11-29 00:48:23,567 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 00:48:23,567 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 184 treesize of output 64 [2023-11-29 00:48:23,648 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 0 proven. 96 refuted. 0 times theorem prover too weak. 1104 trivial. 0 not checked. [2023-11-29 00:48:23,648 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 00:48:23,888 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-29 00:48:23,888 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1991219875] [2023-11-29 00:48:23,888 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1991219875] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 00:48:23,888 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1973235011] [2023-11-29 00:48:23,888 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:48:23,888 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-29 00:48:23,888 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1659f834-d3af-4a5a-949c-ed1c6c2e5562/bin/uautomizer-verify-BQ2R08f2Ya/cvc4 [2023-11-29 00:48:23,892 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1659f834-d3af-4a5a-949c-ed1c6c2e5562/bin/uautomizer-verify-BQ2R08f2Ya/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-29 00:48:23,893 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1659f834-d3af-4a5a-949c-ed1c6c2e5562/bin/uautomizer-verify-BQ2R08f2Ya/cvc4 --incremental --print-success --lang smt (14)] Waiting until timeout for monitored process [2023-11-29 00:48:25,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:48:25,106 INFO L262 TraceCheckSpWp]: Trace formula consists of 360 conjuncts, 48 conjunts are in the unsatisfiable core [2023-11-29 00:48:25,114 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 00:48:25,118 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 4 [2023-11-29 00:48:25,194 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 8 [2023-11-29 00:48:25,827 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 30 [2023-11-29 00:48:26,090 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 00:48:26,091 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 29 treesize of output 31 [2023-11-29 00:48:26,390 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 00:48:26,390 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 40 treesize of output 34 [2023-11-29 00:48:26,606 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 00:48:26,606 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 40 treesize of output 34 [2023-11-29 00:48:26,810 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 00:48:26,810 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 40 treesize of output 34 [2023-11-29 00:48:26,994 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 00:48:26,994 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 37 treesize of output 42 [2023-11-29 00:48:27,319 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 00:48:27,319 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 45 treesize of output 53 [2023-11-29 00:48:27,728 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 00:48:27,728 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 15 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 53 treesize of output 64 [2023-11-29 00:48:28,177 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 00:48:28,178 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 21 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 64 treesize of output 67 [2023-11-29 00:48:28,535 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 00:48:28,535 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 21 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 64 treesize of output 67 [2023-11-29 00:48:28,884 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 00:48:28,884 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 21 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 64 treesize of output 67 [2023-11-29 00:48:28,979 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 00:48:28,979 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 21 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 64 treesize of output 67 [2023-11-29 00:48:29,021 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 00:48:29,021 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 55 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 21 case distinctions, treesize of input 82 treesize of output 100 [2023-11-29 00:48:29,305 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 00:48:29,306 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 10 select indices, 10 select index equivalence classes, 55 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 45 case distinctions, treesize of input 96 treesize of output 118 [2023-11-29 00:48:29,790 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 00:48:29,790 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 11 select indices, 11 select index equivalence classes, 55 disjoint index pairs (out of 55 index pairs), introduced 11 new quantified variables, introduced 55 case distinctions, treesize of input 129 treesize of output 69 [2023-11-29 00:48:29,981 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 898 proven. 114 refuted. 0 times theorem prover too weak. 188 trivial. 0 not checked. [2023-11-29 00:48:29,981 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 00:48:30,264 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1200 trivial. 0 not checked. [2023-11-29 00:48:30,264 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1973235011] provided 1 perfect and 1 imperfect interpolant sequences [2023-11-29 00:48:30,264 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2023-11-29 00:48:30,264 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [8, 21] total 32 [2023-11-29 00:48:30,264 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1303444450] [2023-11-29 00:48:30,264 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 00:48:30,265 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-29 00:48:30,265 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-29 00:48:30,265 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-29 00:48:30,266 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=150, Invalid=1040, Unknown=0, NotChecked=0, Total=1190 [2023-11-29 00:48:30,266 INFO L87 Difference]: Start difference. First operand 523 states and 668 transitions. Second operand has 6 states, 6 states have (on average 10.833333333333334) internal successors, (65), 6 states have internal predecessors, (65), 1 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 1 states have call predecessors, (25), 1 states have call successors, (25) [2023-11-29 00:48:31,278 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 00:48:31,278 INFO L93 Difference]: Finished difference Result 1037 states and 1322 transitions. [2023-11-29 00:48:31,278 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-29 00:48:31,279 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 10.833333333333334) internal successors, (65), 6 states have internal predecessors, (65), 1 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 1 states have call predecessors, (25), 1 states have call successors, (25) Word has length 187 [2023-11-29 00:48:31,279 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 00:48:31,282 INFO L225 Difference]: With dead ends: 1037 [2023-11-29 00:48:31,282 INFO L226 Difference]: Without dead ends: 527 [2023-11-29 00:48:31,284 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 595 GetRequests, 559 SyntacticMatches, 0 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 320 ImplicationChecksByTransitivity, 2.3s TimeCoverageRelationStatistics Valid=168, Invalid=1238, Unknown=0, NotChecked=0, Total=1406 [2023-11-29 00:48:31,284 INFO L413 NwaCegarLoop]: 172 mSDtfsCounter, 133 mSDsluCounter, 547 mSDsCounter, 0 mSdLazyCounter, 171 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 133 SdHoareTripleChecker+Valid, 719 SdHoareTripleChecker+Invalid, 176 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 171 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2023-11-29 00:48:31,285 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [133 Valid, 719 Invalid, 176 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 171 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2023-11-29 00:48:31,286 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 527 states. [2023-11-29 00:48:31,349 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 527 to 523. [2023-11-29 00:48:31,351 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 523 states, 431 states have (on average 1.2366589327146171) internal successors, (533), 437 states have internal predecessors, (533), 66 states have call successors, (66), 25 states have call predecessors, (66), 25 states have return successors, (66), 60 states have call predecessors, (66), 66 states have call successors, (66) [2023-11-29 00:48:31,353 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 523 states to 523 states and 665 transitions. [2023-11-29 00:48:31,354 INFO L78 Accepts]: Start accepts. Automaton has 523 states and 665 transitions. Word has length 187 [2023-11-29 00:48:31,354 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 00:48:31,354 INFO L495 AbstractCegarLoop]: Abstraction has 523 states and 665 transitions. [2023-11-29 00:48:31,354 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.833333333333334) internal successors, (65), 6 states have internal predecessors, (65), 1 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 1 states have call predecessors, (25), 1 states have call successors, (25) [2023-11-29 00:48:31,355 INFO L276 IsEmpty]: Start isEmpty. Operand 523 states and 665 transitions. [2023-11-29 00:48:31,356 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 189 [2023-11-29 00:48:31,356 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 00:48:31,356 INFO L195 NwaCegarLoop]: trace histogram [25, 25, 25, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 00:48:31,362 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1659f834-d3af-4a5a-949c-ed1c6c2e5562/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (13)] Ended with exit code 0 [2023-11-29 00:48:31,563 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1659f834-d3af-4a5a-949c-ed1c6c2e5562/bin/uautomizer-verify-BQ2R08f2Ya/cvc4 --incremental --print-success --lang smt (14)] Ended with exit code 0 [2023-11-29 00:48:31,757 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1659f834-d3af-4a5a-949c-ed1c6c2e5562/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3,14 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1659f834-d3af-4a5a-949c-ed1c6c2e5562/bin/uautomizer-verify-BQ2R08f2Ya/cvc4 --incremental --print-success --lang smt [2023-11-29 00:48:31,757 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 00:48:31,757 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 00:48:31,757 INFO L85 PathProgramCache]: Analyzing trace with hash -556051564, now seen corresponding path program 1 times [2023-11-29 00:48:31,758 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 00:48:31,758 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [373725125] [2023-11-29 00:48:31,758 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:48:31,758 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-29 00:48:31,758 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1659f834-d3af-4a5a-949c-ed1c6c2e5562/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 00:48:31,759 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1659f834-d3af-4a5a-949c-ed1c6c2e5562/bin/uautomizer-verify-BQ2R08f2Ya/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) [2023-11-29 00:48:31,760 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1659f834-d3af-4a5a-949c-ed1c6c2e5562/bin/uautomizer-verify-BQ2R08f2Ya/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 (15)] Waiting until timeout for monitored process [2023-11-29 00:48:31,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:48:31,977 INFO L262 TraceCheckSpWp]: Trace formula consists of 363 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-29 00:48:31,980 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 00:48:31,985 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 55 treesize of output 19 [2023-11-29 00:48:32,001 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1200 trivial. 0 not checked. [2023-11-29 00:48:32,002 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 00:48:32,002 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-29 00:48:32,002 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [373725125] [2023-11-29 00:48:32,002 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [373725125] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 00:48:32,002 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 00:48:32,002 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-29 00:48:32,002 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1726426608] [2023-11-29 00:48:32,002 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 00:48:32,003 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 00:48:32,003 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-29 00:48:32,003 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 00:48:32,003 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 00:48:32,003 INFO L87 Difference]: Start difference. First operand 523 states and 665 transitions. Second operand has 3 states, 3 states have (on average 22.0) internal successors, (66), 3 states have internal predecessors, (66), 1 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 1 states have call predecessors, (25), 1 states have call successors, (25) [2023-11-29 00:48:32,096 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 00:48:32,096 INFO L93 Difference]: Finished difference Result 929 states and 1173 transitions. [2023-11-29 00:48:32,097 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 00:48:32,097 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 22.0) internal successors, (66), 3 states have internal predecessors, (66), 1 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 1 states have call predecessors, (25), 1 states have call successors, (25) Word has length 188 [2023-11-29 00:48:32,097 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 00:48:32,099 INFO L225 Difference]: With dead ends: 929 [2023-11-29 00:48:32,099 INFO L226 Difference]: Without dead ends: 423 [2023-11-29 00:48:32,100 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 187 GetRequests, 186 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 00:48:32,100 INFO L413 NwaCegarLoop]: 147 mSDtfsCounter, 0 mSDsluCounter, 145 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 292 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-29 00:48:32,101 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 292 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-29 00:48:32,101 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 423 states. [2023-11-29 00:48:32,140 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 423 to 423. [2023-11-29 00:48:32,141 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 423 states, 335 states have (on average 1.1970149253731344) internal successors, (401), 339 states have internal predecessors, (401), 62 states have call successors, (62), 25 states have call predecessors, (62), 25 states have return successors, (62), 58 states have call predecessors, (62), 62 states have call successors, (62) [2023-11-29 00:48:32,142 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 423 states to 423 states and 525 transitions. [2023-11-29 00:48:32,143 INFO L78 Accepts]: Start accepts. Automaton has 423 states and 525 transitions. Word has length 188 [2023-11-29 00:48:32,143 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 00:48:32,143 INFO L495 AbstractCegarLoop]: Abstraction has 423 states and 525 transitions. [2023-11-29 00:48:32,143 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 22.0) internal successors, (66), 3 states have internal predecessors, (66), 1 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 1 states have call predecessors, (25), 1 states have call successors, (25) [2023-11-29 00:48:32,143 INFO L276 IsEmpty]: Start isEmpty. Operand 423 states and 525 transitions. [2023-11-29 00:48:32,145 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2023-11-29 00:48:32,145 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 00:48:32,145 INFO L195 NwaCegarLoop]: trace histogram [25, 25, 25, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 00:48:32,151 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1659f834-d3af-4a5a-949c-ed1c6c2e5562/bin/uautomizer-verify-BQ2R08f2Ya/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 (15)] Ended with exit code 0 [2023-11-29 00:48:32,346 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1659f834-d3af-4a5a-949c-ed1c6c2e5562/bin/uautomizer-verify-BQ2R08f2Ya/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 [2023-11-29 00:48:32,346 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 00:48:32,346 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 00:48:32,347 INFO L85 PathProgramCache]: Analyzing trace with hash 1003307984, now seen corresponding path program 1 times [2023-11-29 00:48:32,347 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 00:48:32,347 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2107071207] [2023-11-29 00:48:32,347 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:48:32,347 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 [2023-11-29 00:48:32,347 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1659f834-d3af-4a5a-949c-ed1c6c2e5562/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 00:48:32,348 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1659f834-d3af-4a5a-949c-ed1c6c2e5562/bin/uautomizer-verify-BQ2R08f2Ya/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) [2023-11-29 00:48:32,349 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1659f834-d3af-4a5a-949c-ed1c6c2e5562/bin/uautomizer-verify-BQ2R08f2Ya/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 (16)] Waiting until timeout for monitored process [2023-11-29 00:48:32,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:48:32,584 INFO L262 TraceCheckSpWp]: Trace formula consists of 372 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-29 00:48:32,587 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 00:48:32,594 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 55 treesize of output 19 [2023-11-29 00:48:32,611 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1200 trivial. 0 not checked. [2023-11-29 00:48:32,612 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 00:48:32,612 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-29 00:48:32,612 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2107071207] [2023-11-29 00:48:32,612 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2107071207] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 00:48:32,612 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 00:48:32,612 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-29 00:48:32,612 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1111806290] [2023-11-29 00:48:32,612 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 00:48:32,613 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 00:48:32,613 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-29 00:48:32,613 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 00:48:32,613 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 00:48:32,614 INFO L87 Difference]: Start difference. First operand 423 states and 525 transitions. Second operand has 3 states, 3 states have (on average 22.666666666666668) internal successors, (68), 3 states have internal predecessors, (68), 1 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 1 states have call predecessors, (25), 1 states have call successors, (25) [2023-11-29 00:48:32,693 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 00:48:32,693 INFO L93 Difference]: Finished difference Result 829 states and 1031 transitions. [2023-11-29 00:48:32,694 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 00:48:32,694 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 22.666666666666668) internal successors, (68), 3 states have internal predecessors, (68), 1 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 1 states have call predecessors, (25), 1 states have call successors, (25) Word has length 190 [2023-11-29 00:48:32,694 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 00:48:32,697 INFO L225 Difference]: With dead ends: 829 [2023-11-29 00:48:32,697 INFO L226 Difference]: Without dead ends: 423 [2023-11-29 00:48:32,698 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 189 GetRequests, 188 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 00:48:32,698 INFO L413 NwaCegarLoop]: 146 mSDtfsCounter, 33 mSDsluCounter, 112 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 33 SdHoareTripleChecker+Valid, 258 SdHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-29 00:48:32,699 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [33 Valid, 258 Invalid, 10 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-29 00:48:32,700 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 423 states. [2023-11-29 00:48:32,759 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 423 to 423. [2023-11-29 00:48:32,760 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 423 states, 335 states have (on average 1.1850746268656716) internal successors, (397), 339 states have internal predecessors, (397), 62 states have call successors, (62), 25 states have call predecessors, (62), 25 states have return successors, (62), 58 states have call predecessors, (62), 62 states have call successors, (62) [2023-11-29 00:48:32,762 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 423 states to 423 states and 521 transitions. [2023-11-29 00:48:32,762 INFO L78 Accepts]: Start accepts. Automaton has 423 states and 521 transitions. Word has length 190 [2023-11-29 00:48:32,762 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 00:48:32,762 INFO L495 AbstractCegarLoop]: Abstraction has 423 states and 521 transitions. [2023-11-29 00:48:32,763 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 22.666666666666668) internal successors, (68), 3 states have internal predecessors, (68), 1 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 1 states have call predecessors, (25), 1 states have call successors, (25) [2023-11-29 00:48:32,763 INFO L276 IsEmpty]: Start isEmpty. Operand 423 states and 521 transitions. [2023-11-29 00:48:32,764 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2023-11-29 00:48:32,764 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 00:48:32,764 INFO L195 NwaCegarLoop]: trace histogram [25, 25, 25, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 00:48:32,771 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1659f834-d3af-4a5a-949c-ed1c6c2e5562/bin/uautomizer-verify-BQ2R08f2Ya/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 (16)] Ended with exit code 0 [2023-11-29 00:48:32,965 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1659f834-d3af-4a5a-949c-ed1c6c2e5562/bin/uautomizer-verify-BQ2R08f2Ya/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 [2023-11-29 00:48:32,965 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 00:48:32,965 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 00:48:32,966 INFO L85 PathProgramCache]: Analyzing trace with hash -17760370, now seen corresponding path program 1 times [2023-11-29 00:48:32,966 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 00:48:32,966 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1738281949] [2023-11-29 00:48:32,966 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:48:32,966 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 [2023-11-29 00:48:32,966 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1659f834-d3af-4a5a-949c-ed1c6c2e5562/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 00:48:32,967 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1659f834-d3af-4a5a-949c-ed1c6c2e5562/bin/uautomizer-verify-BQ2R08f2Ya/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) [2023-11-29 00:48:32,968 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1659f834-d3af-4a5a-949c-ed1c6c2e5562/bin/uautomizer-verify-BQ2R08f2Ya/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 (17)] Waiting until timeout for monitored process [2023-11-29 00:48:33,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:48:33,413 INFO L262 TraceCheckSpWp]: Trace formula consists of 372 conjuncts, 10 conjunts are in the unsatisfiable core [2023-11-29 00:48:33,416 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 00:48:38,786 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 00:48:38,786 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 184 treesize of output 58 [2023-11-29 00:48:41,503 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1200 trivial. 0 not checked. [2023-11-29 00:48:41,503 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 00:48:41,503 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-29 00:48:41,503 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1738281949] [2023-11-29 00:48:41,503 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1738281949] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 00:48:41,503 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 00:48:41,503 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2023-11-29 00:48:41,504 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1623883668] [2023-11-29 00:48:41,504 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 00:48:41,504 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-11-29 00:48:41,504 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-29 00:48:41,505 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-11-29 00:48:41,505 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2023-11-29 00:48:41,505 INFO L87 Difference]: Start difference. First operand 423 states and 521 transitions. Second operand has 9 states, 9 states have (on average 7.555555555555555) internal successors, (68), 9 states have internal predecessors, (68), 1 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 1 states have call predecessors, (25), 1 states have call successors, (25) [2023-11-29 00:48:55,375 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.31s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-29 00:49:08,012 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.00s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-29 00:49:21,584 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-29 00:49:25,814 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-29 00:49:30,249 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 00:49:35,856 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 00:49:35,856 INFO L93 Difference]: Finished difference Result 913 states and 1129 transitions. [2023-11-29 00:49:35,860 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-11-29 00:49:35,861 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 7.555555555555555) internal successors, (68), 9 states have internal predecessors, (68), 1 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 1 states have call predecessors, (25), 1 states have call successors, (25) Word has length 190 [2023-11-29 00:49:35,861 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 00:49:35,864 INFO L225 Difference]: With dead ends: 913 [2023-11-29 00:49:35,864 INFO L226 Difference]: Without dead ends: 507 [2023-11-29 00:49:35,865 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 192 GetRequests, 182 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 12.9s TimeCoverageRelationStatistics Valid=41, Invalid=91, Unknown=0, NotChecked=0, Total=132 [2023-11-29 00:49:35,866 INFO L413 NwaCegarLoop]: 124 mSDtfsCounter, 178 mSDsluCounter, 545 mSDsCounter, 0 mSdLazyCounter, 399 mSolverCounterSat, 0 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 46.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 178 SdHoareTripleChecker+Valid, 669 SdHoareTripleChecker+Invalid, 402 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 399 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 47.3s IncrementalHoareTripleChecker+Time [2023-11-29 00:49:35,866 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [178 Valid, 669 Invalid, 402 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 399 Invalid, 3 Unknown, 0 Unchecked, 47.3s Time] [2023-11-29 00:49:35,867 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 507 states. [2023-11-29 00:49:35,944 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 507 to 431. [2023-11-29 00:49:35,945 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 431 states, 343 states have (on average 1.1778425655976676) internal successors, (404), 347 states have internal predecessors, (404), 62 states have call successors, (62), 25 states have call predecessors, (62), 25 states have return successors, (62), 58 states have call predecessors, (62), 62 states have call successors, (62) [2023-11-29 00:49:35,946 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 431 states to 431 states and 528 transitions. [2023-11-29 00:49:35,946 INFO L78 Accepts]: Start accepts. Automaton has 431 states and 528 transitions. Word has length 190 [2023-11-29 00:49:35,946 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 00:49:35,946 INFO L495 AbstractCegarLoop]: Abstraction has 431 states and 528 transitions. [2023-11-29 00:49:35,947 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 7.555555555555555) internal successors, (68), 9 states have internal predecessors, (68), 1 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 1 states have call predecessors, (25), 1 states have call successors, (25) [2023-11-29 00:49:35,947 INFO L276 IsEmpty]: Start isEmpty. Operand 431 states and 528 transitions. [2023-11-29 00:49:35,948 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2023-11-29 00:49:35,948 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 00:49:35,948 INFO L195 NwaCegarLoop]: trace histogram [25, 25, 25, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 00:49:35,953 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1659f834-d3af-4a5a-949c-ed1c6c2e5562/bin/uautomizer-verify-BQ2R08f2Ya/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 (17)] Ended with exit code 0 [2023-11-29 00:49:36,148 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1659f834-d3af-4a5a-949c-ed1c6c2e5562/bin/uautomizer-verify-BQ2R08f2Ya/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 [2023-11-29 00:49:36,148 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 00:49:36,149 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 00:49:36,149 INFO L85 PathProgramCache]: Analyzing trace with hash -1297624048, now seen corresponding path program 1 times [2023-11-29 00:49:36,149 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 00:49:36,149 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [199791411] [2023-11-29 00:49:36,150 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:49:36,150 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 [2023-11-29 00:49:36,150 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1659f834-d3af-4a5a-949c-ed1c6c2e5562/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 00:49:36,151 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1659f834-d3af-4a5a-949c-ed1c6c2e5562/bin/uautomizer-verify-BQ2R08f2Ya/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) [2023-11-29 00:49:36,152 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1659f834-d3af-4a5a-949c-ed1c6c2e5562/bin/uautomizer-verify-BQ2R08f2Ya/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 (18)] Waiting until timeout for monitored process [2023-11-29 00:49:36,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:49:36,396 INFO L262 TraceCheckSpWp]: Trace formula consists of 369 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-29 00:49:36,399 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 00:49:36,423 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1200 trivial. 0 not checked. [2023-11-29 00:49:36,424 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 00:49:36,424 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-29 00:49:36,424 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [199791411] [2023-11-29 00:49:36,424 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [199791411] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 00:49:36,424 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 00:49:36,424 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-29 00:49:36,424 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1361083148] [2023-11-29 00:49:36,424 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 00:49:36,424 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-29 00:49:36,425 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-29 00:49:36,425 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-29 00:49:36,425 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-29 00:49:36,425 INFO L87 Difference]: Start difference. First operand 431 states and 528 transitions. Second operand has 5 states, 5 states have (on average 13.6) internal successors, (68), 5 states have internal predecessors, (68), 1 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 1 states have call predecessors, (25), 1 states have call successors, (25) [2023-11-29 00:49:36,641 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 00:49:36,641 INFO L93 Difference]: Finished difference Result 924 states and 1146 transitions. [2023-11-29 00:49:36,642 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-29 00:49:36,642 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 13.6) internal successors, (68), 5 states have internal predecessors, (68), 1 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 1 states have call predecessors, (25), 1 states have call successors, (25) Word has length 190 [2023-11-29 00:49:36,643 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 00:49:36,650 INFO L225 Difference]: With dead ends: 924 [2023-11-29 00:49:36,650 INFO L226 Difference]: Without dead ends: 510 [2023-11-29 00:49:36,651 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 191 GetRequests, 186 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2023-11-29 00:49:36,652 INFO L413 NwaCegarLoop]: 152 mSDtfsCounter, 71 mSDsluCounter, 424 mSDsCounter, 0 mSdLazyCounter, 37 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 71 SdHoareTripleChecker+Valid, 576 SdHoareTripleChecker+Invalid, 39 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 37 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-29 00:49:36,652 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [71 Valid, 576 Invalid, 39 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 37 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-29 00:49:36,653 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 510 states. [2023-11-29 00:49:36,704 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 510 to 438. [2023-11-29 00:49:36,704 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 438 states, 350 states have (on average 1.1714285714285715) internal successors, (410), 354 states have internal predecessors, (410), 62 states have call successors, (62), 25 states have call predecessors, (62), 25 states have return successors, (62), 58 states have call predecessors, (62), 62 states have call successors, (62) [2023-11-29 00:49:36,706 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 438 states to 438 states and 534 transitions. [2023-11-29 00:49:36,706 INFO L78 Accepts]: Start accepts. Automaton has 438 states and 534 transitions. Word has length 190 [2023-11-29 00:49:36,706 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 00:49:36,706 INFO L495 AbstractCegarLoop]: Abstraction has 438 states and 534 transitions. [2023-11-29 00:49:36,707 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 13.6) internal successors, (68), 5 states have internal predecessors, (68), 1 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 1 states have call predecessors, (25), 1 states have call successors, (25) [2023-11-29 00:49:36,707 INFO L276 IsEmpty]: Start isEmpty. Operand 438 states and 534 transitions. [2023-11-29 00:49:36,708 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2023-11-29 00:49:36,708 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 00:49:36,708 INFO L195 NwaCegarLoop]: trace histogram [25, 25, 25, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 00:49:36,714 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1659f834-d3af-4a5a-949c-ed1c6c2e5562/bin/uautomizer-verify-BQ2R08f2Ya/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 (18)] Ended with exit code 0 [2023-11-29 00:49:36,908 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1659f834-d3af-4a5a-949c-ed1c6c2e5562/bin/uautomizer-verify-BQ2R08f2Ya/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 [2023-11-29 00:49:36,909 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 00:49:36,909 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 00:49:36,909 INFO L85 PathProgramCache]: Analyzing trace with hash -773369206, now seen corresponding path program 1 times [2023-11-29 00:49:36,910 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 00:49:36,910 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2080846909] [2023-11-29 00:49:36,910 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:49:36,911 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-29 00:49:36,911 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1659f834-d3af-4a5a-949c-ed1c6c2e5562/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 00:49:36,912 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1659f834-d3af-4a5a-949c-ed1c6c2e5562/bin/uautomizer-verify-BQ2R08f2Ya/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) [2023-11-29 00:49:36,913 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1659f834-d3af-4a5a-949c-ed1c6c2e5562/bin/uautomizer-verify-BQ2R08f2Ya/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 (19)] Waiting until timeout for monitored process [2023-11-29 00:49:37,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:49:37,214 INFO L262 TraceCheckSpWp]: Trace formula consists of 372 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-29 00:49:37,217 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 00:49:37,269 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 80 treesize of output 26 [2023-11-29 00:49:37,313 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1200 trivial. 0 not checked. [2023-11-29 00:49:37,314 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 00:49:37,314 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-29 00:49:37,314 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2080846909] [2023-11-29 00:49:37,314 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2080846909] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 00:49:37,314 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 00:49:37,314 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-29 00:49:37,314 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1094580241] [2023-11-29 00:49:37,314 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 00:49:37,315 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-29 00:49:37,315 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-29 00:49:37,315 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-29 00:49:37,316 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-29 00:49:37,316 INFO L87 Difference]: Start difference. First operand 438 states and 534 transitions. Second operand has 5 states, 5 states have (on average 13.6) internal successors, (68), 5 states have internal predecessors, (68), 1 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 1 states have call predecessors, (25), 1 states have call successors, (25) [2023-11-29 00:49:39,116 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 00:49:39,116 INFO L93 Difference]: Finished difference Result 1035 states and 1255 transitions. [2023-11-29 00:49:39,117 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-29 00:49:39,118 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 13.6) internal successors, (68), 5 states have internal predecessors, (68), 1 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 1 states have call predecessors, (25), 1 states have call successors, (25) Word has length 190 [2023-11-29 00:49:39,118 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 00:49:39,121 INFO L225 Difference]: With dead ends: 1035 [2023-11-29 00:49:39,121 INFO L226 Difference]: Without dead ends: 614 [2023-11-29 00:49:39,121 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 191 GetRequests, 186 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2023-11-29 00:49:39,122 INFO L413 NwaCegarLoop]: 213 mSDtfsCounter, 186 mSDsluCounter, 359 mSDsCounter, 0 mSdLazyCounter, 339 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 186 SdHoareTripleChecker+Valid, 572 SdHoareTripleChecker+Invalid, 354 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 339 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2023-11-29 00:49:39,122 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [186 Valid, 572 Invalid, 354 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 339 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2023-11-29 00:49:39,123 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 614 states. [2023-11-29 00:49:39,196 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 614 to 589. [2023-11-29 00:49:39,197 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 589 states, 442 states have (on average 1.1357466063348416) internal successors, (502), 446 states have internal predecessors, (502), 103 states have call successors, (103), 43 states have call predecessors, (103), 43 states have return successors, (103), 99 states have call predecessors, (103), 103 states have call successors, (103) [2023-11-29 00:49:39,199 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 589 states to 589 states and 708 transitions. [2023-11-29 00:49:39,199 INFO L78 Accepts]: Start accepts. Automaton has 589 states and 708 transitions. Word has length 190 [2023-11-29 00:49:39,199 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 00:49:39,200 INFO L495 AbstractCegarLoop]: Abstraction has 589 states and 708 transitions. [2023-11-29 00:49:39,200 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 13.6) internal successors, (68), 5 states have internal predecessors, (68), 1 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 1 states have call predecessors, (25), 1 states have call successors, (25) [2023-11-29 00:49:39,200 INFO L276 IsEmpty]: Start isEmpty. Operand 589 states and 708 transitions. [2023-11-29 00:49:39,201 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2023-11-29 00:49:39,201 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 00:49:39,201 INFO L195 NwaCegarLoop]: trace histogram [25, 25, 25, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 00:49:39,207 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1659f834-d3af-4a5a-949c-ed1c6c2e5562/bin/uautomizer-verify-BQ2R08f2Ya/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 (19)] Ended with exit code 0 [2023-11-29 00:49:39,401 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 19 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1659f834-d3af-4a5a-949c-ed1c6c2e5562/bin/uautomizer-verify-BQ2R08f2Ya/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 [2023-11-29 00:49:39,402 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 00:49:39,402 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 00:49:39,402 INFO L85 PathProgramCache]: Analyzing trace with hash -261709878, now seen corresponding path program 1 times [2023-11-29 00:49:39,403 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 00:49:39,403 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1107201545] [2023-11-29 00:49:39,403 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:49:39,403 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 [2023-11-29 00:49:39,404 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1659f834-d3af-4a5a-949c-ed1c6c2e5562/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 00:49:39,404 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1659f834-d3af-4a5a-949c-ed1c6c2e5562/bin/uautomizer-verify-BQ2R08f2Ya/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) [2023-11-29 00:49:39,409 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1659f834-d3af-4a5a-949c-ed1c6c2e5562/bin/uautomizer-verify-BQ2R08f2Ya/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 (20)] Waiting until timeout for monitored process [2023-11-29 00:49:39,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:49:39,690 INFO L262 TraceCheckSpWp]: Trace formula consists of 373 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-29 00:49:39,693 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 00:49:39,708 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 96 proven. 0 refuted. 0 times theorem prover too weak. 1104 trivial. 0 not checked. [2023-11-29 00:49:39,708 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 00:49:39,708 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-29 00:49:39,708 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1107201545] [2023-11-29 00:49:39,709 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1107201545] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 00:49:39,709 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 00:49:39,709 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-29 00:49:39,709 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [583901297] [2023-11-29 00:49:39,709 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 00:49:39,709 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-29 00:49:39,709 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-29 00:49:39,710 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-29 00:49:39,710 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-29 00:49:39,710 INFO L87 Difference]: Start difference. First operand 589 states and 708 transitions. Second operand has 4 states, 4 states have (on average 17.75) internal successors, (71), 4 states have internal predecessors, (71), 2 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2023-11-29 00:49:39,818 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 00:49:39,818 INFO L93 Difference]: Finished difference Result 1168 states and 1408 transitions. [2023-11-29 00:49:39,819 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-29 00:49:39,819 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 17.75) internal successors, (71), 4 states have internal predecessors, (71), 2 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) Word has length 190 [2023-11-29 00:49:39,819 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 00:49:39,822 INFO L225 Difference]: With dead ends: 1168 [2023-11-29 00:49:39,822 INFO L226 Difference]: Without dead ends: 596 [2023-11-29 00:49:39,824 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 190 GetRequests, 187 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-29 00:49:39,824 INFO L413 NwaCegarLoop]: 152 mSDtfsCounter, 7 mSDsluCounter, 287 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 439 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-29 00:49:39,825 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 439 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-29 00:49:39,826 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 596 states. [2023-11-29 00:49:39,926 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 596 to 589. [2023-11-29 00:49:39,928 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 589 states, 442 states have (on average 1.1312217194570136) internal successors, (500), 446 states have internal predecessors, (500), 103 states have call successors, (103), 43 states have call predecessors, (103), 43 states have return successors, (103), 99 states have call predecessors, (103), 103 states have call successors, (103) [2023-11-29 00:49:39,930 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 589 states to 589 states and 706 transitions. [2023-11-29 00:49:39,931 INFO L78 Accepts]: Start accepts. Automaton has 589 states and 706 transitions. Word has length 190 [2023-11-29 00:49:39,931 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 00:49:39,931 INFO L495 AbstractCegarLoop]: Abstraction has 589 states and 706 transitions. [2023-11-29 00:49:39,931 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 17.75) internal successors, (71), 4 states have internal predecessors, (71), 2 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2023-11-29 00:49:39,931 INFO L276 IsEmpty]: Start isEmpty. Operand 589 states and 706 transitions. [2023-11-29 00:49:39,933 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2023-11-29 00:49:39,933 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 00:49:39,933 INFO L195 NwaCegarLoop]: trace histogram [25, 25, 25, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 00:49:39,940 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1659f834-d3af-4a5a-949c-ed1c6c2e5562/bin/uautomizer-verify-BQ2R08f2Ya/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 (20)] Ended with exit code 0 [2023-11-29 00:49:40,133 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 20 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1659f834-d3af-4a5a-949c-ed1c6c2e5562/bin/uautomizer-verify-BQ2R08f2Ya/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 [2023-11-29 00:49:40,134 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 00:49:40,134 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 00:49:40,134 INFO L85 PathProgramCache]: Analyzing trace with hash 1244887358, now seen corresponding path program 1 times [2023-11-29 00:49:40,135 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 00:49:40,135 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1539785894] [2023-11-29 00:49:40,135 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:49:40,135 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 [2023-11-29 00:49:40,135 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1659f834-d3af-4a5a-949c-ed1c6c2e5562/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 00:49:40,136 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1659f834-d3af-4a5a-949c-ed1c6c2e5562/bin/uautomizer-verify-BQ2R08f2Ya/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) [2023-11-29 00:49:40,144 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1659f834-d3af-4a5a-949c-ed1c6c2e5562/bin/uautomizer-verify-BQ2R08f2Ya/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 (21)] Waiting until timeout for monitored process [2023-11-29 00:49:40,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:49:40,505 INFO L262 TraceCheckSpWp]: Trace formula consists of 379 conjuncts, 42 conjunts are in the unsatisfiable core [2023-11-29 00:49:40,511 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 00:49:40,522 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 10 [2023-11-29 00:49:40,892 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 47 treesize of output 34 [2023-11-29 00:49:41,150 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 00:49:41,150 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 62 treesize of output 37 [2023-11-29 00:49:41,380 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 00:49:41,380 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 62 treesize of output 37 [2023-11-29 00:49:41,668 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 00:49:41,668 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 57 treesize of output 47 [2023-11-29 00:49:42,039 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 00:49:42,040 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 67 treesize of output 60 [2023-11-29 00:49:42,466 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 00:49:42,466 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 55 treesize of output 63 [2023-11-29 00:49:42,983 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 00:49:42,983 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 70 treesize of output 66 [2023-11-29 00:49:43,341 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 00:49:43,342 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 65 treesize of output 76 [2023-11-29 00:49:43,950 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 00:49:43,950 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 75 treesize of output 89 [2023-11-29 00:49:44,628 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 00:49:44,628 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 21 case distinctions, treesize of input 90 treesize of output 92 [2023-11-29 00:49:45,113 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 00:49:45,113 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 21 case distinctions, treesize of input 90 treesize of output 92 [2023-11-29 00:49:45,308 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 00:49:45,309 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 21 case distinctions, treesize of input 90 treesize of output 92 [2023-11-29 00:49:45,389 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 00:49:45,390 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 21 case distinctions, treesize of input 121 treesize of output 114 [2023-11-29 00:49:45,738 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 00:49:45,739 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 10 select indices, 10 select index equivalence classes, 0 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 45 case distinctions, treesize of input 113 treesize of output 139 [2023-11-29 00:49:46,930 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 00:49:46,930 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 11 select indices, 11 select index equivalence classes, 0 disjoint index pairs (out of 55 index pairs), introduced 11 new quantified variables, introduced 55 case distinctions, treesize of input 119 treesize of output 49 [2023-11-29 00:49:47,033 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 954 proven. 114 refuted. 0 times theorem prover too weak. 132 trivial. 0 not checked. [2023-11-29 00:49:47,033 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 00:49:47,764 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 24 proven. 114 refuted. 0 times theorem prover too weak. 1062 trivial. 0 not checked. [2023-11-29 00:49:47,764 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-29 00:49:47,764 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1539785894] [2023-11-29 00:49:47,764 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1539785894] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-29 00:49:47,764 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-29 00:49:47,764 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [20, 8] total 26 [2023-11-29 00:49:47,765 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1404964031] [2023-11-29 00:49:47,765 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-29 00:49:47,765 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2023-11-29 00:49:47,765 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-29 00:49:47,766 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2023-11-29 00:49:47,767 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=190, Invalid=460, Unknown=0, NotChecked=0, Total=650 [2023-11-29 00:49:47,767 INFO L87 Difference]: Start difference. First operand 589 states and 706 transitions. Second operand has 26 states, 22 states have (on average 6.681818181818182) internal successors, (147), 23 states have internal predecessors, (147), 12 states have call successors, (46), 9 states have call predecessors, (46), 10 states have return successors, (46), 10 states have call predecessors, (46), 12 states have call successors, (46) [2023-11-29 00:49:56,962 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 00:49:56,962 INFO L93 Difference]: Finished difference Result 1243 states and 1468 transitions. [2023-11-29 00:49:56,963 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2023-11-29 00:49:56,963 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 22 states have (on average 6.681818181818182) internal successors, (147), 23 states have internal predecessors, (147), 12 states have call successors, (46), 9 states have call predecessors, (46), 10 states have return successors, (46), 10 states have call predecessors, (46), 12 states have call successors, (46) Word has length 192 [2023-11-29 00:49:56,964 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 00:49:56,966 INFO L225 Difference]: With dead ends: 1243 [2023-11-29 00:49:56,966 INFO L226 Difference]: Without dead ends: 671 [2023-11-29 00:49:56,968 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 410 GetRequests, 357 SyntacticMatches, 1 SemanticMatches, 52 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 586 ImplicationChecksByTransitivity, 5.5s TimeCoverageRelationStatistics Valid=801, Invalid=2061, Unknown=0, NotChecked=0, Total=2862 [2023-11-29 00:49:56,969 INFO L413 NwaCegarLoop]: 75 mSDtfsCounter, 431 mSDsluCounter, 294 mSDsCounter, 0 mSdLazyCounter, 1047 mSolverCounterSat, 71 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 443 SdHoareTripleChecker+Valid, 369 SdHoareTripleChecker+Invalid, 1118 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 71 IncrementalHoareTripleChecker+Valid, 1047 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.4s IncrementalHoareTripleChecker+Time [2023-11-29 00:49:56,969 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [443 Valid, 369 Invalid, 1118 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [71 Valid, 1047 Invalid, 0 Unknown, 0 Unchecked, 5.4s Time] [2023-11-29 00:49:56,970 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 671 states. [2023-11-29 00:49:57,039 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 671 to 428. [2023-11-29 00:49:57,040 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 428 states, 342 states have (on average 1.1491228070175439) internal successors, (393), 345 states have internal predecessors, (393), 58 states have call successors, (58), 27 states have call predecessors, (58), 27 states have return successors, (58), 55 states have call predecessors, (58), 58 states have call successors, (58) [2023-11-29 00:49:57,041 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 428 states to 428 states and 509 transitions. [2023-11-29 00:49:57,041 INFO L78 Accepts]: Start accepts. Automaton has 428 states and 509 transitions. Word has length 192 [2023-11-29 00:49:57,041 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 00:49:57,042 INFO L495 AbstractCegarLoop]: Abstraction has 428 states and 509 transitions. [2023-11-29 00:49:57,042 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 22 states have (on average 6.681818181818182) internal successors, (147), 23 states have internal predecessors, (147), 12 states have call successors, (46), 9 states have call predecessors, (46), 10 states have return successors, (46), 10 states have call predecessors, (46), 12 states have call successors, (46) [2023-11-29 00:49:57,042 INFO L276 IsEmpty]: Start isEmpty. Operand 428 states and 509 transitions. [2023-11-29 00:49:57,043 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2023-11-29 00:49:57,043 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 00:49:57,043 INFO L195 NwaCegarLoop]: trace histogram [25, 25, 25, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 00:49:57,049 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1659f834-d3af-4a5a-949c-ed1c6c2e5562/bin/uautomizer-verify-BQ2R08f2Ya/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 (21)] Ended with exit code 0 [2023-11-29 00:49:57,243 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 21 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1659f834-d3af-4a5a-949c-ed1c6c2e5562/bin/uautomizer-verify-BQ2R08f2Ya/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 [2023-11-29 00:49:57,244 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 00:49:57,244 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 00:49:57,245 INFO L85 PathProgramCache]: Analyzing trace with hash 1990421510, now seen corresponding path program 1 times [2023-11-29 00:49:57,245 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 00:49:57,245 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [791720407] [2023-11-29 00:49:57,246 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:49:57,246 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 [2023-11-29 00:49:57,246 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1659f834-d3af-4a5a-949c-ed1c6c2e5562/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 00:49:57,247 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1659f834-d3af-4a5a-949c-ed1c6c2e5562/bin/uautomizer-verify-BQ2R08f2Ya/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) [2023-11-29 00:49:57,248 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1659f834-d3af-4a5a-949c-ed1c6c2e5562/bin/uautomizer-verify-BQ2R08f2Ya/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 (22)] Waiting until timeout for monitored process [2023-11-29 00:49:57,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:49:57,659 INFO L262 TraceCheckSpWp]: Trace formula consists of 381 conjuncts, 41 conjunts are in the unsatisfiable core [2023-11-29 00:49:57,666 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 00:49:57,671 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2023-11-29 00:49:57,674 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2023-11-29 00:49:57,678 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 10 [2023-11-29 00:49:57,743 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 24 [2023-11-29 00:49:57,884 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 00:49:57,884 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 35 treesize of output 37 [2023-11-29 00:49:58,086 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 00:49:58,086 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 45 treesize of output 50 [2023-11-29 00:49:58,351 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 00:49:58,351 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 55 treesize of output 63 [2023-11-29 00:49:58,705 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 00:49:58,705 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 65 treesize of output 76 [2023-11-29 00:49:59,132 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 00:49:59,132 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 80 treesize of output 79 [2023-11-29 00:49:59,480 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 00:49:59,481 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 80 treesize of output 79 [2023-11-29 00:49:59,881 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 00:49:59,882 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 80 treesize of output 79 [2023-11-29 00:50:00,015 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 00:50:00,015 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 80 treesize of output 79 [2023-11-29 00:50:00,066 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 00:50:00,066 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 21 case distinctions, treesize of input 111 treesize of output 110 [2023-11-29 00:50:00,316 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 00:50:00,316 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 10 select indices, 10 select index equivalence classes, 0 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 45 case distinctions, treesize of input 108 treesize of output 134 [2023-11-29 00:50:00,673 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 00:50:00,673 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 13 select indices, 13 select index equivalence classes, 0 disjoint index pairs (out of 78 index pairs), introduced 13 new quantified variables, introduced 78 case distinctions, treesize of input 138 treesize of output 173 [2023-11-29 00:50:01,591 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 00:50:01,591 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 14 select indices, 14 select index equivalence classes, 0 disjoint index pairs (out of 91 index pairs), introduced 14 new quantified variables, introduced 91 case distinctions, treesize of input 208 treesize of output 90 [2023-11-29 00:50:01,751 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 960 proven. 0 refuted. 0 times theorem prover too weak. 240 trivial. 0 not checked. [2023-11-29 00:50:01,751 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 00:50:01,752 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-29 00:50:01,752 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [791720407] [2023-11-29 00:50:01,752 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [791720407] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 00:50:01,752 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 00:50:01,752 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2023-11-29 00:50:01,752 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [321832421] [2023-11-29 00:50:01,752 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 00:50:01,752 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2023-11-29 00:50:01,753 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-29 00:50:01,753 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2023-11-29 00:50:01,753 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=61, Invalid=121, Unknown=0, NotChecked=0, Total=182 [2023-11-29 00:50:01,753 INFO L87 Difference]: Start difference. First operand 428 states and 509 transitions. Second operand has 14 states, 14 states have (on average 6.285714285714286) internal successors, (88), 14 states have internal predecessors, (88), 7 states have call successors, (25), 7 states have call predecessors, (25), 7 states have return successors, (25), 7 states have call predecessors, (25), 7 states have call successors, (25) [2023-11-29 00:50:07,393 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 00:50:07,393 INFO L93 Difference]: Finished difference Result 984 states and 1165 transitions. [2023-11-29 00:50:07,395 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-11-29 00:50:07,395 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 6.285714285714286) internal successors, (88), 14 states have internal predecessors, (88), 7 states have call successors, (25), 7 states have call predecessors, (25), 7 states have return successors, (25), 7 states have call predecessors, (25), 7 states have call successors, (25) Word has length 192 [2023-11-29 00:50:07,395 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 00:50:07,397 INFO L225 Difference]: With dead ends: 984 [2023-11-29 00:50:07,397 INFO L226 Difference]: Without dead ends: 557 [2023-11-29 00:50:07,398 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 200 GetRequests, 179 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 48 ImplicationChecksByTransitivity, 2.2s TimeCoverageRelationStatistics Valid=196, Invalid=310, Unknown=0, NotChecked=0, Total=506 [2023-11-29 00:50:07,399 INFO L413 NwaCegarLoop]: 159 mSDtfsCounter, 551 mSDsluCounter, 467 mSDsCounter, 0 mSdLazyCounter, 591 mSolverCounterSat, 151 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 551 SdHoareTripleChecker+Valid, 626 SdHoareTripleChecker+Invalid, 742 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 151 IncrementalHoareTripleChecker+Valid, 591 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.2s IncrementalHoareTripleChecker+Time [2023-11-29 00:50:07,399 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [551 Valid, 626 Invalid, 742 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [151 Valid, 591 Invalid, 0 Unknown, 0 Unchecked, 4.2s Time] [2023-11-29 00:50:07,400 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 557 states. [2023-11-29 00:50:07,493 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 557 to 423. [2023-11-29 00:50:07,494 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 423 states, 337 states have (on average 1.1483679525222552) internal successors, (387), 340 states have internal predecessors, (387), 58 states have call successors, (58), 27 states have call predecessors, (58), 27 states have return successors, (58), 55 states have call predecessors, (58), 58 states have call successors, (58) [2023-11-29 00:50:07,495 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 423 states to 423 states and 503 transitions. [2023-11-29 00:50:07,496 INFO L78 Accepts]: Start accepts. Automaton has 423 states and 503 transitions. Word has length 192 [2023-11-29 00:50:07,496 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 00:50:07,496 INFO L495 AbstractCegarLoop]: Abstraction has 423 states and 503 transitions. [2023-11-29 00:50:07,496 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 6.285714285714286) internal successors, (88), 14 states have internal predecessors, (88), 7 states have call successors, (25), 7 states have call predecessors, (25), 7 states have return successors, (25), 7 states have call predecessors, (25), 7 states have call successors, (25) [2023-11-29 00:50:07,496 INFO L276 IsEmpty]: Start isEmpty. Operand 423 states and 503 transitions. [2023-11-29 00:50:07,497 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2023-11-29 00:50:07,497 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 00:50:07,497 INFO L195 NwaCegarLoop]: trace histogram [25, 25, 25, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 00:50:07,504 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1659f834-d3af-4a5a-949c-ed1c6c2e5562/bin/uautomizer-verify-BQ2R08f2Ya/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 (22)] Forceful destruction successful, exit code 0 [2023-11-29 00:50:07,698 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 22 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1659f834-d3af-4a5a-949c-ed1c6c2e5562/bin/uautomizer-verify-BQ2R08f2Ya/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 [2023-11-29 00:50:07,698 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 00:50:07,698 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 00:50:07,698 INFO L85 PathProgramCache]: Analyzing trace with hash 916197017, now seen corresponding path program 1 times [2023-11-29 00:50:07,699 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 00:50:07,699 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1138771689] [2023-11-29 00:50:07,699 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:50:07,699 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 [2023-11-29 00:50:07,699 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1659f834-d3af-4a5a-949c-ed1c6c2e5562/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 00:50:07,700 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1659f834-d3af-4a5a-949c-ed1c6c2e5562/bin/uautomizer-verify-BQ2R08f2Ya/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) [2023-11-29 00:50:07,701 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1659f834-d3af-4a5a-949c-ed1c6c2e5562/bin/uautomizer-verify-BQ2R08f2Ya/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 (23)] Waiting until timeout for monitored process [2023-11-29 00:50:08,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:50:08,076 INFO L262 TraceCheckSpWp]: Trace formula consists of 380 conjuncts, 41 conjunts are in the unsatisfiable core [2023-11-29 00:50:08,084 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 00:50:08,089 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2023-11-29 00:50:08,093 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 10 [2023-11-29 00:50:08,158 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 24 [2023-11-29 00:50:08,294 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 00:50:08,294 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 40 treesize of output 27 [2023-11-29 00:50:08,408 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 00:50:08,408 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 35 treesize of output 37 [2023-11-29 00:50:08,628 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 00:50:08,628 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 50 treesize of output 40 [2023-11-29 00:50:08,814 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 00:50:08,814 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 50 treesize of output 40 [2023-11-29 00:50:08,991 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 00:50:08,991 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 50 treesize of output 40 [2023-11-29 00:50:09,165 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 00:50:09,165 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 50 treesize of output 40 [2023-11-29 00:50:09,458 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 00:50:09,459 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 64 treesize of output 66 [2023-11-29 00:50:09,637 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 00:50:09,637 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 79 treesize of output 69 [2023-11-29 00:50:09,678 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 00:50:09,678 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 112 treesize of output 69 [2023-11-29 00:50:09,741 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 00:50:09,741 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 79 treesize of output 87 [2023-11-29 00:50:10,467 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 00:50:10,467 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 21 case distinctions, treesize of input 101 treesize of output 43 [2023-11-29 00:50:10,691 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 848 proven. 0 refuted. 0 times theorem prover too weak. 352 trivial. 0 not checked. [2023-11-29 00:50:10,691 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 00:50:10,691 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-29 00:50:10,691 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1138771689] [2023-11-29 00:50:10,691 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1138771689] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 00:50:10,691 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 00:50:10,692 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2023-11-29 00:50:10,692 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [619440521] [2023-11-29 00:50:10,692 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 00:50:10,692 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2023-11-29 00:50:10,692 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-29 00:50:10,693 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2023-11-29 00:50:10,693 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=135, Unknown=0, NotChecked=0, Total=182 [2023-11-29 00:50:10,694 INFO L87 Difference]: Start difference. First operand 423 states and 503 transitions. Second operand has 14 states, 14 states have (on average 5.785714285714286) internal successors, (81), 14 states have internal predecessors, (81), 4 states have call successors, (25), 4 states have call predecessors, (25), 4 states have return successors, (25), 4 states have call predecessors, (25), 4 states have call successors, (25) [2023-11-29 00:50:16,730 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 00:50:16,731 INFO L93 Difference]: Finished difference Result 1171 states and 1400 transitions. [2023-11-29 00:50:16,732 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2023-11-29 00:50:16,732 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 5.785714285714286) internal successors, (81), 14 states have internal predecessors, (81), 4 states have call successors, (25), 4 states have call predecessors, (25), 4 states have return successors, (25), 4 states have call predecessors, (25), 4 states have call successors, (25) Word has length 194 [2023-11-29 00:50:16,732 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 00:50:16,735 INFO L225 Difference]: With dead ends: 1171 [2023-11-29 00:50:16,735 INFO L226 Difference]: Without dead ends: 749 [2023-11-29 00:50:16,736 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 203 GetRequests, 181 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 82 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=159, Invalid=393, Unknown=0, NotChecked=0, Total=552 [2023-11-29 00:50:16,736 INFO L413 NwaCegarLoop]: 107 mSDtfsCounter, 375 mSDsluCounter, 555 mSDsCounter, 0 mSdLazyCounter, 915 mSolverCounterSat, 33 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 375 SdHoareTripleChecker+Valid, 662 SdHoareTripleChecker+Invalid, 948 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 33 IncrementalHoareTripleChecker+Valid, 915 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.0s IncrementalHoareTripleChecker+Time [2023-11-29 00:50:16,736 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [375 Valid, 662 Invalid, 948 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [33 Valid, 915 Invalid, 0 Unknown, 0 Unchecked, 5.0s Time] [2023-11-29 00:50:16,738 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 749 states. [2023-11-29 00:50:16,870 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 749 to 487. [2023-11-29 00:50:16,871 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 487 states, 401 states have (on average 1.1496259351620948) internal successors, (461), 404 states have internal predecessors, (461), 58 states have call successors, (58), 27 states have call predecessors, (58), 27 states have return successors, (58), 55 states have call predecessors, (58), 58 states have call successors, (58) [2023-11-29 00:50:16,873 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 487 states to 487 states and 577 transitions. [2023-11-29 00:50:16,873 INFO L78 Accepts]: Start accepts. Automaton has 487 states and 577 transitions. Word has length 194 [2023-11-29 00:50:16,873 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 00:50:16,873 INFO L495 AbstractCegarLoop]: Abstraction has 487 states and 577 transitions. [2023-11-29 00:50:16,874 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 5.785714285714286) internal successors, (81), 14 states have internal predecessors, (81), 4 states have call successors, (25), 4 states have call predecessors, (25), 4 states have return successors, (25), 4 states have call predecessors, (25), 4 states have call successors, (25) [2023-11-29 00:50:16,874 INFO L276 IsEmpty]: Start isEmpty. Operand 487 states and 577 transitions. [2023-11-29 00:50:16,875 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2023-11-29 00:50:16,875 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 00:50:16,876 INFO L195 NwaCegarLoop]: trace histogram [25, 25, 25, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 00:50:16,884 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1659f834-d3af-4a5a-949c-ed1c6c2e5562/bin/uautomizer-verify-BQ2R08f2Ya/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 (23)] Ended with exit code 0 [2023-11-29 00:50:17,076 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 23 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1659f834-d3af-4a5a-949c-ed1c6c2e5562/bin/uautomizer-verify-BQ2R08f2Ya/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 [2023-11-29 00:50:17,076 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 00:50:17,076 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 00:50:17,077 INFO L85 PathProgramCache]: Analyzing trace with hash -94920233, now seen corresponding path program 1 times [2023-11-29 00:50:17,077 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 00:50:17,077 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1613333323] [2023-11-29 00:50:17,077 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:50:17,078 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 [2023-11-29 00:50:17,078 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1659f834-d3af-4a5a-949c-ed1c6c2e5562/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 00:50:17,078 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1659f834-d3af-4a5a-949c-ed1c6c2e5562/bin/uautomizer-verify-BQ2R08f2Ya/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) [2023-11-29 00:50:17,079 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1659f834-d3af-4a5a-949c-ed1c6c2e5562/bin/uautomizer-verify-BQ2R08f2Ya/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 (24)] Waiting until timeout for monitored process [2023-11-29 00:50:17,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:50:17,453 INFO L262 TraceCheckSpWp]: Trace formula consists of 380 conjuncts, 41 conjunts are in the unsatisfiable core [2023-11-29 00:50:17,459 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 00:50:17,464 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2023-11-29 00:50:17,527 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 25 [2023-11-29 00:50:17,887 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 00:50:17,887 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 52 treesize of output 33 [2023-11-29 00:50:18,103 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 00:50:18,104 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 47 treesize of output 43 [2023-11-29 00:50:18,406 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 00:50:18,406 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 51 treesize of output 41 [2023-11-29 00:50:18,645 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 00:50:18,645 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 46 treesize of output 51 [2023-11-29 00:50:19,033 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 00:50:19,034 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 56 treesize of output 64 [2023-11-29 00:50:19,519 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 00:50:19,519 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 71 treesize of output 67 [2023-11-29 00:50:20,210 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 00:50:20,210 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 90 treesize of output 74 [2023-11-29 00:50:20,353 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 00:50:20,353 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 90 treesize of output 74 [2023-11-29 00:50:20,497 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 00:50:20,497 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 121 treesize of output 96 [2023-11-29 00:50:20,772 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 00:50:20,772 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 0 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 28 case distinctions, treesize of input 113 treesize of output 121 [2023-11-29 00:50:21,785 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 00:50:21,786 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 9 select indices, 9 select index equivalence classes, 0 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 36 case distinctions, treesize of input 124 treesize of output 54 [2023-11-29 00:50:21,886 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 855 proven. 69 refuted. 0 times theorem prover too weak. 276 trivial. 0 not checked. [2023-11-29 00:50:21,886 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 00:50:22,300 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1200 trivial. 0 not checked. [2023-11-29 00:50:22,300 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-29 00:50:22,301 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1613333323] [2023-11-29 00:50:22,301 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1613333323] provided 1 perfect and 1 imperfect interpolant sequences [2023-11-29 00:50:22,301 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-29 00:50:22,301 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [19] total 22 [2023-11-29 00:50:22,301 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [377321247] [2023-11-29 00:50:22,301 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 00:50:22,302 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-29 00:50:22,302 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-29 00:50:22,302 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-29 00:50:22,303 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=100, Invalid=362, Unknown=0, NotChecked=0, Total=462 [2023-11-29 00:50:22,303 INFO L87 Difference]: Start difference. First operand 487 states and 577 transitions. Second operand has 5 states, 5 states have (on average 14.4) internal successors, (72), 5 states have internal predecessors, (72), 1 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 1 states have call predecessors, (25), 1 states have call successors, (25) [2023-11-29 00:50:23,279 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 00:50:23,279 INFO L93 Difference]: Finished difference Result 1293 states and 1547 transitions. [2023-11-29 00:50:23,280 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-29 00:50:23,280 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 14.4) internal successors, (72), 5 states have internal predecessors, (72), 1 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 1 states have call predecessors, (25), 1 states have call successors, (25) Word has length 194 [2023-11-29 00:50:23,281 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 00:50:23,285 INFO L225 Difference]: With dead ends: 1293 [2023-11-29 00:50:23,285 INFO L226 Difference]: Without dead ends: 807 [2023-11-29 00:50:23,285 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 387 GetRequests, 364 SyntacticMatches, 2 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 87 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=105, Invalid=401, Unknown=0, NotChecked=0, Total=506 [2023-11-29 00:50:23,286 INFO L413 NwaCegarLoop]: 137 mSDtfsCounter, 148 mSDsluCounter, 228 mSDsCounter, 0 mSdLazyCounter, 149 mSolverCounterSat, 35 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 148 SdHoareTripleChecker+Valid, 365 SdHoareTripleChecker+Invalid, 184 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 35 IncrementalHoareTripleChecker+Valid, 149 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2023-11-29 00:50:23,286 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [148 Valid, 365 Invalid, 184 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [35 Valid, 149 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2023-11-29 00:50:23,287 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 807 states. [2023-11-29 00:50:23,452 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 807 to 715. [2023-11-29 00:50:23,453 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 715 states, 587 states have (on average 1.151618398637138) internal successors, (676), 594 states have internal predecessors, (676), 86 states have call successors, (86), 41 states have call predecessors, (86), 41 states have return successors, (86), 79 states have call predecessors, (86), 86 states have call successors, (86) [2023-11-29 00:50:23,455 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 715 states to 715 states and 848 transitions. [2023-11-29 00:50:23,455 INFO L78 Accepts]: Start accepts. Automaton has 715 states and 848 transitions. Word has length 194 [2023-11-29 00:50:23,455 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 00:50:23,455 INFO L495 AbstractCegarLoop]: Abstraction has 715 states and 848 transitions. [2023-11-29 00:50:23,456 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 14.4) internal successors, (72), 5 states have internal predecessors, (72), 1 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 1 states have call predecessors, (25), 1 states have call successors, (25) [2023-11-29 00:50:23,456 INFO L276 IsEmpty]: Start isEmpty. Operand 715 states and 848 transitions. [2023-11-29 00:50:23,457 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2023-11-29 00:50:23,457 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 00:50:23,457 INFO L195 NwaCegarLoop]: trace histogram [25, 25, 25, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 00:50:23,464 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1659f834-d3af-4a5a-949c-ed1c6c2e5562/bin/uautomizer-verify-BQ2R08f2Ya/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 (24)] Ended with exit code 0 [2023-11-29 00:50:23,657 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 24 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1659f834-d3af-4a5a-949c-ed1c6c2e5562/bin/uautomizer-verify-BQ2R08f2Ya/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 [2023-11-29 00:50:23,658 INFO L420 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 00:50:23,658 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 00:50:23,658 INFO L85 PathProgramCache]: Analyzing trace with hash 804815765, now seen corresponding path program 1 times [2023-11-29 00:50:23,659 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 00:50:23,659 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [392229175] [2023-11-29 00:50:23,659 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:50:23,659 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 [2023-11-29 00:50:23,659 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1659f834-d3af-4a5a-949c-ed1c6c2e5562/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 00:50:23,660 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1659f834-d3af-4a5a-949c-ed1c6c2e5562/bin/uautomizer-verify-BQ2R08f2Ya/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) [2023-11-29 00:50:23,661 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1659f834-d3af-4a5a-949c-ed1c6c2e5562/bin/uautomizer-verify-BQ2R08f2Ya/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 (25)] Waiting until timeout for monitored process [2023-11-29 00:50:24,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:50:24,087 INFO L262 TraceCheckSpWp]: Trace formula consists of 380 conjuncts, 41 conjunts are in the unsatisfiable core [2023-11-29 00:50:24,094 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 00:50:24,101 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2023-11-29 00:50:24,105 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2023-11-29 00:50:24,109 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2023-11-29 00:50:24,114 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2023-11-29 00:50:24,118 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 10 [2023-11-29 00:50:24,192 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 14 [2023-11-29 00:50:24,248 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 24 [2023-11-29 00:50:24,380 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 00:50:24,380 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 35 treesize of output 37 [2023-11-29 00:50:24,575 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 00:50:24,575 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 50 treesize of output 40 [2023-11-29 00:50:24,873 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 00:50:24,874 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 64 treesize of output 75 [2023-11-29 00:50:25,050 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 00:50:25,050 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 79 treesize of output 78 [2023-11-29 00:50:25,094 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 00:50:25,095 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 107 treesize of output 88 [2023-11-29 00:50:29,263 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 00:50:29,263 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 0 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 28 case distinctions, treesize of input 89 treesize of output 109 [2023-11-29 00:50:30,204 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 00:50:30,204 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 9 select indices, 9 select index equivalence classes, 0 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 36 case distinctions, treesize of input 116 treesize of output 46 [2023-11-29 00:50:30,451 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 680 proven. 0 refuted. 0 times theorem prover too weak. 520 trivial. 0 not checked. [2023-11-29 00:50:30,452 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 00:50:30,452 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-29 00:50:30,452 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [392229175] [2023-11-29 00:50:30,452 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [392229175] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 00:50:30,452 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 00:50:30,452 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2023-11-29 00:50:30,452 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1599016383] [2023-11-29 00:50:30,452 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 00:50:30,453 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2023-11-29 00:50:30,453 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-29 00:50:30,453 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2023-11-29 00:50:30,453 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=154, Unknown=1, NotChecked=0, Total=210 [2023-11-29 00:50:30,453 INFO L87 Difference]: Start difference. First operand 715 states and 848 transitions. Second operand has 15 states, 15 states have (on average 5.4) internal successors, (81), 15 states have internal predecessors, (81), 4 states have call successors, (25), 4 states have call predecessors, (25), 4 states have return successors, (25), 4 states have call predecessors, (25), 4 states have call successors, (25) [2023-11-29 00:50:36,287 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-29 00:50:40,343 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-29 00:50:44,361 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-29 00:50:48,409 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-29 00:50:52,460 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-29 00:50:56,516 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-29 00:51:00,525 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-29 00:51:05,612 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 00:51:05,612 INFO L93 Difference]: Finished difference Result 1431 states and 1695 transitions. [2023-11-29 00:51:05,614 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2023-11-29 00:51:05,614 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 5.4) internal successors, (81), 15 states have internal predecessors, (81), 4 states have call successors, (25), 4 states have call predecessors, (25), 4 states have return successors, (25), 4 states have call predecessors, (25), 4 states have call successors, (25) Word has length 194 [2023-11-29 00:51:05,614 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 00:51:05,616 INFO L225 Difference]: With dead ends: 1431 [2023-11-29 00:51:05,617 INFO L226 Difference]: Without dead ends: 717 [2023-11-29 00:51:05,618 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 202 GetRequests, 180 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 75 ImplicationChecksByTransitivity, 5.7s TimeCoverageRelationStatistics Valid=162, Invalid=389, Unknown=1, NotChecked=0, Total=552 [2023-11-29 00:51:05,618 INFO L413 NwaCegarLoop]: 146 mSDtfsCounter, 420 mSDsluCounter, 777 mSDsCounter, 0 mSdLazyCounter, 1056 mSolverCounterSat, 110 mSolverCounterUnsat, 7 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 33.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 420 SdHoareTripleChecker+Valid, 923 SdHoareTripleChecker+Invalid, 1173 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 110 IncrementalHoareTripleChecker+Valid, 1056 IncrementalHoareTripleChecker+Invalid, 7 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 34.1s IncrementalHoareTripleChecker+Time [2023-11-29 00:51:05,618 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [420 Valid, 923 Invalid, 1173 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [110 Valid, 1056 Invalid, 7 Unknown, 0 Unchecked, 34.1s Time] [2023-11-29 00:51:05,619 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 717 states. [2023-11-29 00:51:05,784 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 717 to 711. [2023-11-29 00:51:05,785 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 711 states, 583 states have (on average 1.1492281303602059) internal successors, (670), 590 states have internal predecessors, (670), 86 states have call successors, (86), 41 states have call predecessors, (86), 41 states have return successors, (86), 79 states have call predecessors, (86), 86 states have call successors, (86) [2023-11-29 00:51:05,786 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 711 states to 711 states and 842 transitions. [2023-11-29 00:51:05,786 INFO L78 Accepts]: Start accepts. Automaton has 711 states and 842 transitions. Word has length 194 [2023-11-29 00:51:05,786 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 00:51:05,787 INFO L495 AbstractCegarLoop]: Abstraction has 711 states and 842 transitions. [2023-11-29 00:51:05,787 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 5.4) internal successors, (81), 15 states have internal predecessors, (81), 4 states have call successors, (25), 4 states have call predecessors, (25), 4 states have return successors, (25), 4 states have call predecessors, (25), 4 states have call successors, (25) [2023-11-29 00:51:05,787 INFO L276 IsEmpty]: Start isEmpty. Operand 711 states and 842 transitions. [2023-11-29 00:51:05,788 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2023-11-29 00:51:05,789 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 00:51:05,789 INFO L195 NwaCegarLoop]: trace histogram [25, 25, 25, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 00:51:05,797 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1659f834-d3af-4a5a-949c-ed1c6c2e5562/bin/uautomizer-verify-BQ2R08f2Ya/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 (25)] Ended with exit code 0 [2023-11-29 00:51:05,989 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 25 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1659f834-d3af-4a5a-949c-ed1c6c2e5562/bin/uautomizer-verify-BQ2R08f2Ya/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 [2023-11-29 00:51:05,989 INFO L420 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 00:51:05,990 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 00:51:05,990 INFO L85 PathProgramCache]: Analyzing trace with hash -113162281, now seen corresponding path program 1 times [2023-11-29 00:51:05,990 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 00:51:05,990 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1519778187] [2023-11-29 00:51:05,990 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:51:05,990 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 [2023-11-29 00:51:05,991 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1659f834-d3af-4a5a-949c-ed1c6c2e5562/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 00:51:05,991 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1659f834-d3af-4a5a-949c-ed1c6c2e5562/bin/uautomizer-verify-BQ2R08f2Ya/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) [2023-11-29 00:51:05,992 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1659f834-d3af-4a5a-949c-ed1c6c2e5562/bin/uautomizer-verify-BQ2R08f2Ya/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 (26)] Waiting until timeout for monitored process [2023-11-29 00:51:06,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:51:06,384 INFO L262 TraceCheckSpWp]: Trace formula consists of 380 conjuncts, 41 conjunts are in the unsatisfiable core [2023-11-29 00:51:06,391 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 00:51:06,396 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2023-11-29 00:51:06,461 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 15 [2023-11-29 00:51:06,676 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 00:51:06,676 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 37 treesize of output 39 [2023-11-29 00:51:06,940 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 00:51:06,940 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 52 treesize of output 42 [2023-11-29 00:51:07,126 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 00:51:07,126 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 47 treesize of output 52 [2023-11-29 00:51:07,444 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 00:51:07,444 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 62 treesize of output 55 [2023-11-29 00:51:07,690 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 00:51:07,690 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 57 treesize of output 65 [2023-11-29 00:51:08,102 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 00:51:08,103 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 72 treesize of output 68 [2023-11-29 00:51:08,672 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 00:51:08,672 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 81 treesize of output 71 [2023-11-29 00:51:08,792 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 00:51:08,793 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 81 treesize of output 71 [2023-11-29 00:51:08,829 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 00:51:08,830 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 104 treesize of output 91 [2023-11-29 00:51:13,084 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 00:51:13,084 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 0 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 28 case distinctions, treesize of input 101 treesize of output 115 [2023-11-29 00:51:14,081 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 00:51:14,081 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 9 select indices, 9 select index equivalence classes, 0 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 36 case distinctions, treesize of input 117 treesize of output 47 [2023-11-29 00:51:14,272 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 839 proven. 69 refuted. 0 times theorem prover too weak. 292 trivial. 0 not checked. [2023-11-29 00:51:14,272 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 00:51:14,706 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1200 trivial. 0 not checked. [2023-11-29 00:51:14,706 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-29 00:51:14,706 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1519778187] [2023-11-29 00:51:14,706 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1519778187] provided 1 perfect and 1 imperfect interpolant sequences [2023-11-29 00:51:14,706 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-29 00:51:14,706 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [18] total 21 [2023-11-29 00:51:14,706 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [13031664] [2023-11-29 00:51:14,706 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 00:51:14,707 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-29 00:51:14,707 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-29 00:51:14,707 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-29 00:51:14,708 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=86, Invalid=333, Unknown=1, NotChecked=0, Total=420 [2023-11-29 00:51:14,708 INFO L87 Difference]: Start difference. First operand 711 states and 842 transitions. Second operand has 5 states, 5 states have (on average 14.4) internal successors, (72), 5 states have internal predecessors, (72), 1 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 1 states have call predecessors, (25), 1 states have call successors, (25) [2023-11-29 00:51:15,860 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 00:51:15,860 INFO L93 Difference]: Finished difference Result 1433 states and 1692 transitions. [2023-11-29 00:51:15,860 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-29 00:51:15,861 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 14.4) internal successors, (72), 5 states have internal predecessors, (72), 1 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 1 states have call predecessors, (25), 1 states have call successors, (25) Word has length 194 [2023-11-29 00:51:15,861 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 00:51:15,863 INFO L225 Difference]: With dead ends: 1433 [2023-11-29 00:51:15,863 INFO L226 Difference]: Without dead ends: 723 [2023-11-29 00:51:15,864 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 387 GetRequests, 367 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 78 ImplicationChecksByTransitivity, 5.4s TimeCoverageRelationStatistics Valid=91, Invalid=370, Unknown=1, NotChecked=0, Total=462 [2023-11-29 00:51:15,865 INFO L413 NwaCegarLoop]: 147 mSDtfsCounter, 126 mSDsluCounter, 219 mSDsCounter, 0 mSdLazyCounter, 147 mSolverCounterSat, 36 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 126 SdHoareTripleChecker+Valid, 366 SdHoareTripleChecker+Invalid, 183 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 36 IncrementalHoareTripleChecker+Valid, 147 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2023-11-29 00:51:15,865 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [126 Valid, 366 Invalid, 183 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [36 Valid, 147 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2023-11-29 00:51:15,866 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 723 states. [2023-11-29 00:51:15,985 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 723 to 535. [2023-11-29 00:51:15,986 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 535 states, 447 states have (on average 1.1230425055928412) internal successors, (502), 450 states have internal predecessors, (502), 58 states have call successors, (58), 29 states have call predecessors, (58), 29 states have return successors, (58), 55 states have call predecessors, (58), 58 states have call successors, (58) [2023-11-29 00:51:15,987 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 535 states to 535 states and 618 transitions. [2023-11-29 00:51:15,987 INFO L78 Accepts]: Start accepts. Automaton has 535 states and 618 transitions. Word has length 194 [2023-11-29 00:51:15,988 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 00:51:15,988 INFO L495 AbstractCegarLoop]: Abstraction has 535 states and 618 transitions. [2023-11-29 00:51:15,988 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 14.4) internal successors, (72), 5 states have internal predecessors, (72), 1 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 1 states have call predecessors, (25), 1 states have call successors, (25) [2023-11-29 00:51:15,988 INFO L276 IsEmpty]: Start isEmpty. Operand 535 states and 618 transitions. [2023-11-29 00:51:15,989 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2023-11-29 00:51:15,989 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 00:51:15,989 INFO L195 NwaCegarLoop]: trace histogram [25, 25, 25, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 00:51:15,995 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1659f834-d3af-4a5a-949c-ed1c6c2e5562/bin/uautomizer-verify-BQ2R08f2Ya/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 (26)] Ended with exit code 0 [2023-11-29 00:51:16,190 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 26 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1659f834-d3af-4a5a-949c-ed1c6c2e5562/bin/uautomizer-verify-BQ2R08f2Ya/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 [2023-11-29 00:51:16,190 INFO L420 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 00:51:16,190 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 00:51:16,191 INFO L85 PathProgramCache]: Analyzing trace with hash -1124279531, now seen corresponding path program 1 times [2023-11-29 00:51:16,191 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 00:51:16,191 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1452192813] [2023-11-29 00:51:16,191 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:51:16,191 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 [2023-11-29 00:51:16,191 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1659f834-d3af-4a5a-949c-ed1c6c2e5562/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 00:51:16,192 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1659f834-d3af-4a5a-949c-ed1c6c2e5562/bin/uautomizer-verify-BQ2R08f2Ya/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) [2023-11-29 00:51:16,193 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1659f834-d3af-4a5a-949c-ed1c6c2e5562/bin/uautomizer-verify-BQ2R08f2Ya/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 (27)] Waiting until timeout for monitored process [2023-11-29 00:51:16,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:51:16,570 INFO L262 TraceCheckSpWp]: Trace formula consists of 380 conjuncts, 41 conjunts are in the unsatisfiable core [2023-11-29 00:51:16,576 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 00:51:16,582 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2023-11-29 00:51:16,586 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2023-11-29 00:51:16,590 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2023-11-29 00:51:16,593 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 10 [2023-11-29 00:51:16,660 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 14 [2023-11-29 00:51:16,717 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 24 [2023-11-29 00:51:16,857 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 00:51:16,858 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 35 treesize of output 37 [2023-11-29 00:51:17,061 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 00:51:17,062 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 45 treesize of output 50 [2023-11-29 00:51:17,346 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 00:51:17,346 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 60 treesize of output 53 [2023-11-29 00:51:17,726 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 00:51:17,727 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 74 treesize of output 88 [2023-11-29 00:51:17,943 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 00:51:17,944 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 21 case distinctions, treesize of input 89 treesize of output 91 [2023-11-29 00:51:17,996 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 00:51:17,996 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 21 case distinctions, treesize of input 122 treesize of output 91 [2023-11-29 00:51:18,077 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 00:51:18,078 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 0 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 28 case distinctions, treesize of input 89 treesize of output 109 [2023-11-29 00:51:19,005 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 00:51:19,006 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 9 select indices, 9 select index equivalence classes, 0 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 36 case distinctions, treesize of input 116 treesize of output 46 [2023-11-29 00:51:19,252 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 792 proven. 0 refuted. 0 times theorem prover too weak. 408 trivial. 0 not checked. [2023-11-29 00:51:19,252 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 00:51:19,252 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-29 00:51:19,252 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1452192813] [2023-11-29 00:51:19,252 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1452192813] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 00:51:19,252 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 00:51:19,252 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2023-11-29 00:51:19,252 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1186281836] [2023-11-29 00:51:19,253 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 00:51:19,253 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2023-11-29 00:51:19,253 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-29 00:51:19,254 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2023-11-29 00:51:19,254 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=153, Unknown=0, NotChecked=0, Total=210 [2023-11-29 00:51:19,254 INFO L87 Difference]: Start difference. First operand 535 states and 618 transitions. Second operand has 15 states, 15 states have (on average 5.6) internal successors, (84), 15 states have internal predecessors, (84), 5 states have call successors, (25), 5 states have call predecessors, (25), 5 states have return successors, (25), 5 states have call predecessors, (25), 5 states have call successors, (25) [2023-11-29 00:51:25,001 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 00:51:25,001 INFO L93 Difference]: Finished difference Result 1239 states and 1443 transitions. [2023-11-29 00:51:25,003 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2023-11-29 00:51:25,003 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 5.6) internal successors, (84), 15 states have internal predecessors, (84), 5 states have call successors, (25), 5 states have call predecessors, (25), 5 states have return successors, (25), 5 states have call predecessors, (25), 5 states have call successors, (25) Word has length 194 [2023-11-29 00:51:25,003 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 00:51:25,006 INFO L225 Difference]: With dead ends: 1239 [2023-11-29 00:51:25,006 INFO L226 Difference]: Without dead ends: 705 [2023-11-29 00:51:25,006 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 202 GetRequests, 180 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 69 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=166, Invalid=386, Unknown=0, NotChecked=0, Total=552 [2023-11-29 00:51:25,007 INFO L413 NwaCegarLoop]: 134 mSDtfsCounter, 340 mSDsluCounter, 640 mSDsCounter, 0 mSdLazyCounter, 896 mSolverCounterSat, 29 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 340 SdHoareTripleChecker+Valid, 774 SdHoareTripleChecker+Invalid, 925 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 29 IncrementalHoareTripleChecker+Valid, 896 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.6s IncrementalHoareTripleChecker+Time [2023-11-29 00:51:25,007 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [340 Valid, 774 Invalid, 925 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [29 Valid, 896 Invalid, 0 Unknown, 0 Unchecked, 4.6s Time] [2023-11-29 00:51:25,008 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 705 states. [2023-11-29 00:51:25,124 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 705 to 523. [2023-11-29 00:51:25,125 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 523 states, 435 states have (on average 1.1218390804597702) internal successors, (488), 438 states have internal predecessors, (488), 58 states have call successors, (58), 29 states have call predecessors, (58), 29 states have return successors, (58), 55 states have call predecessors, (58), 58 states have call successors, (58) [2023-11-29 00:51:25,126 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 523 states to 523 states and 604 transitions. [2023-11-29 00:51:25,126 INFO L78 Accepts]: Start accepts. Automaton has 523 states and 604 transitions. Word has length 194 [2023-11-29 00:51:25,126 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 00:51:25,126 INFO L495 AbstractCegarLoop]: Abstraction has 523 states and 604 transitions. [2023-11-29 00:51:25,126 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 5.6) internal successors, (84), 15 states have internal predecessors, (84), 5 states have call successors, (25), 5 states have call predecessors, (25), 5 states have return successors, (25), 5 states have call predecessors, (25), 5 states have call successors, (25) [2023-11-29 00:51:25,126 INFO L276 IsEmpty]: Start isEmpty. Operand 523 states and 604 transitions. [2023-11-29 00:51:25,127 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2023-11-29 00:51:25,127 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 00:51:25,127 INFO L195 NwaCegarLoop]: trace histogram [25, 25, 25, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 00:51:25,133 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1659f834-d3af-4a5a-949c-ed1c6c2e5562/bin/uautomizer-verify-BQ2R08f2Ya/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 (27)] Ended with exit code 0 [2023-11-29 00:51:25,328 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 27 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1659f834-d3af-4a5a-949c-ed1c6c2e5562/bin/uautomizer-verify-BQ2R08f2Ya/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 [2023-11-29 00:51:25,328 INFO L420 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 00:51:25,328 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 00:51:25,328 INFO L85 PathProgramCache]: Analyzing trace with hash -1235660783, now seen corresponding path program 1 times [2023-11-29 00:51:25,329 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 00:51:25,329 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1105645697] [2023-11-29 00:51:25,329 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:51:25,329 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 [2023-11-29 00:51:25,329 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1659f834-d3af-4a5a-949c-ed1c6c2e5562/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 00:51:25,330 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1659f834-d3af-4a5a-949c-ed1c6c2e5562/bin/uautomizer-verify-BQ2R08f2Ya/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) [2023-11-29 00:51:25,330 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1659f834-d3af-4a5a-949c-ed1c6c2e5562/bin/uautomizer-verify-BQ2R08f2Ya/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 (28)] Waiting until timeout for monitored process [2023-11-29 00:51:25,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:51:25,728 INFO L262 TraceCheckSpWp]: Trace formula consists of 380 conjuncts, 41 conjunts are in the unsatisfiable core [2023-11-29 00:51:25,733 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 00:51:25,737 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2023-11-29 00:51:25,741 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 10 [2023-11-29 00:51:25,806 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 24 [2023-11-29 00:51:25,940 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 00:51:25,940 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 35 treesize of output 37 [2023-11-29 00:51:26,132 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 00:51:26,132 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 45 treesize of output 50 [2023-11-29 00:51:26,400 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 00:51:26,401 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 55 treesize of output 63 [2023-11-29 00:51:26,711 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 00:51:26,711 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 70 treesize of output 66 [2023-11-29 00:51:26,958 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 00:51:26,959 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 70 treesize of output 66 [2023-11-29 00:51:27,221 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 00:51:27,221 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 70 treesize of output 66 [2023-11-29 00:51:27,680 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 00:51:27,680 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 84 treesize of output 92 [2023-11-29 00:51:27,927 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 00:51:27,928 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 21 case distinctions, treesize of input 99 treesize of output 95 [2023-11-29 00:51:27,974 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 00:51:27,975 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 21 case distinctions, treesize of input 122 treesize of output 115 [2023-11-29 00:51:32,247 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 00:51:32,247 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 10 select indices, 10 select index equivalence classes, 0 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 45 case distinctions, treesize of input 119 treesize of output 139 [2023-11-29 00:51:33,709 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 00:51:33,710 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 11 select indices, 11 select index equivalence classes, 0 disjoint index pairs (out of 55 index pairs), introduced 11 new quantified variables, introduced 55 case distinctions, treesize of input 146 treesize of output 58 [2023-11-29 00:51:33,981 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 920 proven. 0 refuted. 0 times theorem prover too weak. 280 trivial. 0 not checked. [2023-11-29 00:51:33,981 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 00:51:33,982 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-29 00:51:33,982 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1105645697] [2023-11-29 00:51:33,982 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1105645697] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 00:51:33,982 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 00:51:33,982 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2023-11-29 00:51:33,982 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [670793689] [2023-11-29 00:51:33,982 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 00:51:33,983 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2023-11-29 00:51:33,983 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-29 00:51:33,983 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2023-11-29 00:51:33,984 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=78, Invalid=193, Unknown=1, NotChecked=0, Total=272 [2023-11-29 00:51:33,984 INFO L87 Difference]: Start difference. First operand 523 states and 604 transitions. Second operand has 17 states, 17 states have (on average 5.117647058823529) internal successors, (87), 17 states have internal predecessors, (87), 6 states have call successors, (25), 6 states have call predecessors, (25), 6 states have return successors, (25), 6 states have call predecessors, (25), 6 states have call successors, (25) [2023-11-29 00:51:40,140 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-29 00:51:44,203 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-29 00:51:48,263 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-29 00:51:52,279 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-29 00:51:56,343 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-29 00:52:00,435 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-29 00:52:04,479 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-29 00:52:06,440 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.01s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-29 00:52:12,047 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 00:52:12,047 INFO L93 Difference]: Finished difference Result 1225 states and 1425 transitions. [2023-11-29 00:52:12,049 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2023-11-29 00:52:12,049 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 5.117647058823529) internal successors, (87), 17 states have internal predecessors, (87), 6 states have call successors, (25), 6 states have call predecessors, (25), 6 states have return successors, (25), 6 states have call predecessors, (25), 6 states have call successors, (25) Word has length 194 [2023-11-29 00:52:12,049 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 00:52:12,052 INFO L225 Difference]: With dead ends: 1225 [2023-11-29 00:52:12,052 INFO L226 Difference]: Without dead ends: 703 [2023-11-29 00:52:12,053 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 202 GetRequests, 178 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 75 ImplicationChecksByTransitivity, 6.6s TimeCoverageRelationStatistics Valid=203, Invalid=446, Unknown=1, NotChecked=0, Total=650 [2023-11-29 00:52:12,054 INFO L413 NwaCegarLoop]: 161 mSDtfsCounter, 343 mSDsluCounter, 801 mSDsCounter, 0 mSdLazyCounter, 1167 mSolverCounterSat, 74 mSolverCounterUnsat, 7 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 35.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 343 SdHoareTripleChecker+Valid, 962 SdHoareTripleChecker+Invalid, 1248 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 74 IncrementalHoareTripleChecker+Valid, 1167 IncrementalHoareTripleChecker+Invalid, 7 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 36.3s IncrementalHoareTripleChecker+Time [2023-11-29 00:52:12,054 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [343 Valid, 962 Invalid, 1248 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [74 Valid, 1167 Invalid, 7 Unknown, 0 Unchecked, 36.3s Time] [2023-11-29 00:52:12,055 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 703 states. [2023-11-29 00:52:12,201 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 703 to 511. [2023-11-29 00:52:12,201 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 511 states, 423 states have (on average 1.1205673758865249) internal successors, (474), 426 states have internal predecessors, (474), 58 states have call successors, (58), 29 states have call predecessors, (58), 29 states have return successors, (58), 55 states have call predecessors, (58), 58 states have call successors, (58) [2023-11-29 00:52:12,202 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 511 states to 511 states and 590 transitions. [2023-11-29 00:52:12,202 INFO L78 Accepts]: Start accepts. Automaton has 511 states and 590 transitions. Word has length 194 [2023-11-29 00:52:12,202 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 00:52:12,203 INFO L495 AbstractCegarLoop]: Abstraction has 511 states and 590 transitions. [2023-11-29 00:52:12,203 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 5.117647058823529) internal successors, (87), 17 states have internal predecessors, (87), 6 states have call successors, (25), 6 states have call predecessors, (25), 6 states have return successors, (25), 6 states have call predecessors, (25), 6 states have call successors, (25) [2023-11-29 00:52:12,203 INFO L276 IsEmpty]: Start isEmpty. Operand 511 states and 590 transitions. [2023-11-29 00:52:12,204 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 198 [2023-11-29 00:52:12,204 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 00:52:12,204 INFO L195 NwaCegarLoop]: trace histogram [25, 25, 25, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 00:52:12,212 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1659f834-d3af-4a5a-949c-ed1c6c2e5562/bin/uautomizer-verify-BQ2R08f2Ya/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 (28)] Ended with exit code 0 [2023-11-29 00:52:12,404 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 28 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1659f834-d3af-4a5a-949c-ed1c6c2e5562/bin/uautomizer-verify-BQ2R08f2Ya/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 [2023-11-29 00:52:12,405 INFO L420 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 00:52:12,405 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 00:52:12,405 INFO L85 PathProgramCache]: Analyzing trace with hash 1532960056, now seen corresponding path program 1 times [2023-11-29 00:52:12,406 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 00:52:12,406 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1975343600] [2023-11-29 00:52:12,406 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:52:12,406 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 [2023-11-29 00:52:12,406 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1659f834-d3af-4a5a-949c-ed1c6c2e5562/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 00:52:12,407 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1659f834-d3af-4a5a-949c-ed1c6c2e5562/bin/uautomizer-verify-BQ2R08f2Ya/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) [2023-11-29 00:52:12,413 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1659f834-d3af-4a5a-949c-ed1c6c2e5562/bin/uautomizer-verify-BQ2R08f2Ya/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 (29)] Waiting until timeout for monitored process [2023-11-29 00:52:12,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:52:12,865 INFO L262 TraceCheckSpWp]: Trace formula consists of 391 conjuncts, 41 conjunts are in the unsatisfiable core [2023-11-29 00:52:12,874 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 00:52:12,877 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2023-11-29 00:52:12,954 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 15 [2023-11-29 00:52:13,015 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 25 [2023-11-29 00:52:13,170 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 00:52:13,170 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 36 treesize of output 38 [2023-11-29 00:52:13,410 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 00:52:13,410 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 46 treesize of output 51 [2023-11-29 00:52:13,768 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 00:52:13,768 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 61 treesize of output 54 [2023-11-29 00:52:14,055 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 00:52:14,055 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 61 treesize of output 54 [2023-11-29 00:52:14,320 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 00:52:14,320 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 61 treesize of output 54 [2023-11-29 00:52:14,576 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 00:52:14,576 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 61 treesize of output 54 [2023-11-29 00:52:14,837 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 00:52:14,837 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 56 treesize of output 64 [2023-11-29 00:52:15,266 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 00:52:15,266 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 71 treesize of output 67 [2023-11-29 00:52:15,631 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 00:52:15,631 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 71 treesize of output 67 [2023-11-29 00:52:15,978 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 00:52:15,978 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 71 treesize of output 67 [2023-11-29 00:52:16,107 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 00:52:16,107 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 71 treesize of output 67 [2023-11-29 00:52:16,158 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 00:52:16,159 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 97 treesize of output 108 [2023-11-29 00:52:16,452 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 00:52:16,453 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 0 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 36 case distinctions, treesize of input 109 treesize of output 126 [2023-11-29 00:52:17,899 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 00:52:17,899 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 10 select indices, 10 select index equivalence classes, 0 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 45 case distinctions, treesize of input 132 treesize of output 56 [2023-11-29 00:52:17,954 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 890 proven. 63 refuted. 0 times theorem prover too weak. 247 trivial. 0 not checked. [2023-11-29 00:52:17,954 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 00:52:18,594 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 9 proven. 63 refuted. 0 times theorem prover too weak. 1128 trivial. 0 not checked. [2023-11-29 00:52:18,595 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-29 00:52:18,595 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1975343600] [2023-11-29 00:52:18,595 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1975343600] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-29 00:52:18,595 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-29 00:52:18,595 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 7] total 16 [2023-11-29 00:52:18,595 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1301630076] [2023-11-29 00:52:18,595 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-29 00:52:18,596 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2023-11-29 00:52:18,596 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-29 00:52:18,597 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2023-11-29 00:52:18,597 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=76, Invalid=164, Unknown=0, NotChecked=0, Total=240 [2023-11-29 00:52:18,597 INFO L87 Difference]: Start difference. First operand 511 states and 590 transitions. Second operand has 16 states, 14 states have (on average 10.714285714285714) internal successors, (150), 16 states have internal predecessors, (150), 8 states have call successors, (47), 6 states have call predecessors, (47), 8 states have return successors, (47), 6 states have call predecessors, (47), 8 states have call successors, (47) [2023-11-29 00:52:24,465 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 00:52:24,465 INFO L93 Difference]: Finished difference Result 1126 states and 1294 transitions. [2023-11-29 00:52:24,471 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2023-11-29 00:52:24,472 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 14 states have (on average 10.714285714285714) internal successors, (150), 16 states have internal predecessors, (150), 8 states have call successors, (47), 6 states have call predecessors, (47), 8 states have return successors, (47), 6 states have call predecessors, (47), 8 states have call successors, (47) Word has length 197 [2023-11-29 00:52:24,472 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 00:52:24,474 INFO L225 Difference]: With dead ends: 1126 [2023-11-29 00:52:24,475 INFO L226 Difference]: Without dead ends: 616 [2023-11-29 00:52:24,476 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 415 GetRequests, 377 SyntacticMatches, 1 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 314 ImplicationChecksByTransitivity, 2.7s TimeCoverageRelationStatistics Valid=419, Invalid=1063, Unknown=0, NotChecked=0, Total=1482 [2023-11-29 00:52:24,476 INFO L413 NwaCegarLoop]: 67 mSDtfsCounter, 395 mSDsluCounter, 229 mSDsCounter, 0 mSdLazyCounter, 771 mSolverCounterSat, 47 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 402 SdHoareTripleChecker+Valid, 296 SdHoareTripleChecker+Invalid, 818 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 47 IncrementalHoareTripleChecker+Valid, 771 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.7s IncrementalHoareTripleChecker+Time [2023-11-29 00:52:24,477 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [402 Valid, 296 Invalid, 818 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [47 Valid, 771 Invalid, 0 Unknown, 0 Unchecked, 3.7s Time] [2023-11-29 00:52:24,477 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 616 states. [2023-11-29 00:52:24,638 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 616 to 403. [2023-11-29 00:52:24,638 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 403 states, 325 states have (on average 1.1076923076923078) internal successors, (360), 326 states have internal predecessors, (360), 50 states have call successors, (50), 27 states have call predecessors, (50), 27 states have return successors, (50), 49 states have call predecessors, (50), 50 states have call successors, (50) [2023-11-29 00:52:24,639 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 403 states to 403 states and 460 transitions. [2023-11-29 00:52:24,640 INFO L78 Accepts]: Start accepts. Automaton has 403 states and 460 transitions. Word has length 197 [2023-11-29 00:52:24,640 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 00:52:24,640 INFO L495 AbstractCegarLoop]: Abstraction has 403 states and 460 transitions. [2023-11-29 00:52:24,640 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 14 states have (on average 10.714285714285714) internal successors, (150), 16 states have internal predecessors, (150), 8 states have call successors, (47), 6 states have call predecessors, (47), 8 states have return successors, (47), 6 states have call predecessors, (47), 8 states have call successors, (47) [2023-11-29 00:52:24,640 INFO L276 IsEmpty]: Start isEmpty. Operand 403 states and 460 transitions. [2023-11-29 00:52:24,641 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2023-11-29 00:52:24,642 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 00:52:24,642 INFO L195 NwaCegarLoop]: trace histogram [25, 25, 25, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 00:52:24,648 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1659f834-d3af-4a5a-949c-ed1c6c2e5562/bin/uautomizer-verify-BQ2R08f2Ya/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 (29)] Ended with exit code 0 [2023-11-29 00:52:24,842 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 29 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1659f834-d3af-4a5a-949c-ed1c6c2e5562/bin/uautomizer-verify-BQ2R08f2Ya/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 [2023-11-29 00:52:24,842 INFO L420 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 00:52:24,843 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 00:52:24,843 INFO L85 PathProgramCache]: Analyzing trace with hash -2053590030, now seen corresponding path program 1 times [2023-11-29 00:52:24,843 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 00:52:24,843 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1192738589] [2023-11-29 00:52:24,844 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:52:24,844 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 [2023-11-29 00:52:24,844 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1659f834-d3af-4a5a-949c-ed1c6c2e5562/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 00:52:24,845 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1659f834-d3af-4a5a-949c-ed1c6c2e5562/bin/uautomizer-verify-BQ2R08f2Ya/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) [2023-11-29 00:52:24,846 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1659f834-d3af-4a5a-949c-ed1c6c2e5562/bin/uautomizer-verify-BQ2R08f2Ya/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 (30)] Waiting until timeout for monitored process [2023-11-29 00:52:25,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:52:25,388 INFO L262 TraceCheckSpWp]: Trace formula consists of 395 conjuncts, 29 conjunts are in the unsatisfiable core [2023-11-29 00:52:25,393 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 00:52:25,775 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2023-11-29 00:52:26,126 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 80 treesize of output 34 [2023-11-29 00:52:26,173 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 80 treesize of output 34 [2023-11-29 00:52:26,191 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 154 treesize of output 87 [2023-11-29 00:52:26,377 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 00:52:26,378 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 151 treesize of output 102 [2023-11-29 00:52:28,084 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 00:52:28,084 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 256 treesize of output 90 [2023-11-29 00:52:28,198 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 0 proven. 96 refuted. 0 times theorem prover too weak. 1104 trivial. 0 not checked. [2023-11-29 00:52:28,198 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 00:52:28,923 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1200 trivial. 0 not checked. [2023-11-29 00:52:28,924 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-29 00:52:28,924 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1192738589] [2023-11-29 00:52:28,924 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1192738589] provided 1 perfect and 1 imperfect interpolant sequences [2023-11-29 00:52:28,924 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-29 00:52:28,924 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [11] total 15 [2023-11-29 00:52:28,924 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [691104802] [2023-11-29 00:52:28,924 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 00:52:28,925 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-29 00:52:28,925 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-29 00:52:28,926 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-29 00:52:28,926 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=165, Unknown=0, NotChecked=0, Total=210 [2023-11-29 00:52:28,926 INFO L87 Difference]: Start difference. First operand 403 states and 460 transitions. Second operand has 7 states, 7 states have (on average 11.0) internal successors, (77), 7 states have internal predecessors, (77), 1 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 1 states have call predecessors, (25), 1 states have call successors, (25) [2023-11-29 00:52:39,435 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2023-11-29 00:52:39,807 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 00:52:39,807 INFO L93 Difference]: Finished difference Result 1094 states and 1241 transitions. [2023-11-29 00:52:39,809 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-29 00:52:39,809 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 11.0) internal successors, (77), 7 states have internal predecessors, (77), 1 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 1 states have call predecessors, (25), 1 states have call successors, (25) Word has length 199 [2023-11-29 00:52:39,809 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 00:52:39,812 INFO L225 Difference]: With dead ends: 1094 [2023-11-29 00:52:39,812 INFO L226 Difference]: Without dead ends: 692 [2023-11-29 00:52:39,813 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 399 GetRequests, 382 SyntacticMatches, 1 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 48 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=69, Invalid=237, Unknown=0, NotChecked=0, Total=306 [2023-11-29 00:52:39,813 INFO L413 NwaCegarLoop]: 94 mSDtfsCounter, 182 mSDsluCounter, 350 mSDsCounter, 0 mSdLazyCounter, 330 mSolverCounterSat, 19 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 182 SdHoareTripleChecker+Valid, 444 SdHoareTripleChecker+Invalid, 350 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 330 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.3s IncrementalHoareTripleChecker+Time [2023-11-29 00:52:39,814 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [182 Valid, 444 Invalid, 350 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 330 Invalid, 1 Unknown, 0 Unchecked, 10.3s Time] [2023-11-29 00:52:39,815 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 692 states. [2023-11-29 00:52:39,960 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 692 to 430. [2023-11-29 00:52:39,961 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 430 states, 352 states have (on average 1.1079545454545454) internal successors, (390), 353 states have internal predecessors, (390), 50 states have call successors, (50), 27 states have call predecessors, (50), 27 states have return successors, (50), 49 states have call predecessors, (50), 50 states have call successors, (50) [2023-11-29 00:52:39,961 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 430 states to 430 states and 490 transitions. [2023-11-29 00:52:39,961 INFO L78 Accepts]: Start accepts. Automaton has 430 states and 490 transitions. Word has length 199 [2023-11-29 00:52:39,962 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 00:52:39,962 INFO L495 AbstractCegarLoop]: Abstraction has 430 states and 490 transitions. [2023-11-29 00:52:39,962 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 11.0) internal successors, (77), 7 states have internal predecessors, (77), 1 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 1 states have call predecessors, (25), 1 states have call successors, (25) [2023-11-29 00:52:39,962 INFO L276 IsEmpty]: Start isEmpty. Operand 430 states and 490 transitions. [2023-11-29 00:52:39,963 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2023-11-29 00:52:39,963 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 00:52:39,963 INFO L195 NwaCegarLoop]: trace histogram [25, 25, 25, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 00:52:39,970 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1659f834-d3af-4a5a-949c-ed1c6c2e5562/bin/uautomizer-verify-BQ2R08f2Ya/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 (30)] Ended with exit code 0 [2023-11-29 00:52:40,163 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 30 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1659f834-d3af-4a5a-949c-ed1c6c2e5562/bin/uautomizer-verify-BQ2R08f2Ya/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 [2023-11-29 00:52:40,164 INFO L420 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 00:52:40,164 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 00:52:40,164 INFO L85 PathProgramCache]: Analyzing trace with hash -2110907914, now seen corresponding path program 1 times [2023-11-29 00:52:40,165 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 00:52:40,165 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1584455420] [2023-11-29 00:52:40,165 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:52:40,165 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 [2023-11-29 00:52:40,166 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1659f834-d3af-4a5a-949c-ed1c6c2e5562/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 00:52:40,167 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1659f834-d3af-4a5a-949c-ed1c6c2e5562/bin/uautomizer-verify-BQ2R08f2Ya/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) [2023-11-29 00:52:40,168 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1659f834-d3af-4a5a-949c-ed1c6c2e5562/bin/uautomizer-verify-BQ2R08f2Ya/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 (31)] Waiting until timeout for monitored process [2023-11-29 00:52:40,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:52:40,656 INFO L262 TraceCheckSpWp]: Trace formula consists of 400 conjuncts, 15 conjunts are in the unsatisfiable core [2023-11-29 00:52:40,661 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 00:52:41,116 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 00:52:41,118 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 21 [2023-11-29 00:52:41,215 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 00:52:41,215 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 40 treesize of output 45 [2023-11-29 00:52:42,278 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 00:52:42,279 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 149 treesize of output 55 [2023-11-29 00:52:42,318 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1200 trivial. 0 not checked. [2023-11-29 00:52:42,319 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 00:52:42,319 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-29 00:52:42,319 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1584455420] [2023-11-29 00:52:42,319 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1584455420] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 00:52:42,319 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 00:52:42,319 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-29 00:52:42,319 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [207866192] [2023-11-29 00:52:42,319 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 00:52:42,320 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-29 00:52:42,320 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-29 00:52:42,320 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-29 00:52:42,320 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2023-11-29 00:52:42,321 INFO L87 Difference]: Start difference. First operand 430 states and 490 transitions. Second operand has 7 states, 7 states have (on average 11.0) internal successors, (77), 6 states have internal predecessors, (77), 1 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 1 states have call predecessors, (25), 1 states have call successors, (25) [2023-11-29 00:52:45,434 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 00:52:45,434 INFO L93 Difference]: Finished difference Result 609 states and 697 transitions. [2023-11-29 00:52:45,436 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-11-29 00:52:45,436 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 11.0) internal successors, (77), 6 states have internal predecessors, (77), 1 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 1 states have call predecessors, (25), 1 states have call successors, (25) Word has length 199 [2023-11-29 00:52:45,436 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 00:52:45,438 INFO L225 Difference]: With dead ends: 609 [2023-11-29 00:52:45,438 INFO L226 Difference]: Without dead ends: 607 [2023-11-29 00:52:45,439 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 202 GetRequests, 193 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=38, Invalid=72, Unknown=0, NotChecked=0, Total=110 [2023-11-29 00:52:45,439 INFO L413 NwaCegarLoop]: 171 mSDtfsCounter, 178 mSDsluCounter, 380 mSDsCounter, 0 mSdLazyCounter, 428 mSolverCounterSat, 27 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 178 SdHoareTripleChecker+Valid, 551 SdHoareTripleChecker+Invalid, 455 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 27 IncrementalHoareTripleChecker+Valid, 428 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.6s IncrementalHoareTripleChecker+Time [2023-11-29 00:52:45,439 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [178 Valid, 551 Invalid, 455 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [27 Valid, 428 Invalid, 0 Unknown, 0 Unchecked, 2.6s Time] [2023-11-29 00:52:45,440 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 607 states. [2023-11-29 00:52:45,686 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 607 to 547. [2023-11-29 00:52:45,686 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 547 states, 430 states have (on average 1.0953488372093023) internal successors, (471), 432 states have internal predecessors, (471), 75 states have call successors, (75), 41 states have call predecessors, (75), 41 states have return successors, (75), 73 states have call predecessors, (75), 75 states have call successors, (75) [2023-11-29 00:52:45,687 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 547 states to 547 states and 621 transitions. [2023-11-29 00:52:45,687 INFO L78 Accepts]: Start accepts. Automaton has 547 states and 621 transitions. Word has length 199 [2023-11-29 00:52:45,687 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 00:52:45,687 INFO L495 AbstractCegarLoop]: Abstraction has 547 states and 621 transitions. [2023-11-29 00:52:45,688 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 11.0) internal successors, (77), 6 states have internal predecessors, (77), 1 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 1 states have call predecessors, (25), 1 states have call successors, (25) [2023-11-29 00:52:45,688 INFO L276 IsEmpty]: Start isEmpty. Operand 547 states and 621 transitions. [2023-11-29 00:52:45,689 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2023-11-29 00:52:45,689 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 00:52:45,689 INFO L195 NwaCegarLoop]: trace histogram [25, 25, 25, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 00:52:45,695 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1659f834-d3af-4a5a-949c-ed1c6c2e5562/bin/uautomizer-verify-BQ2R08f2Ya/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 (31)] Ended with exit code 0 [2023-11-29 00:52:45,889 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 31 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1659f834-d3af-4a5a-949c-ed1c6c2e5562/bin/uautomizer-verify-BQ2R08f2Ya/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 [2023-11-29 00:52:45,890 INFO L420 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 00:52:45,890 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 00:52:45,890 INFO L85 PathProgramCache]: Analyzing trace with hash -2110848332, now seen corresponding path program 1 times [2023-11-29 00:52:45,891 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 00:52:45,891 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1994404687] [2023-11-29 00:52:45,891 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:52:45,891 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 [2023-11-29 00:52:45,891 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1659f834-d3af-4a5a-949c-ed1c6c2e5562/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 00:52:45,892 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1659f834-d3af-4a5a-949c-ed1c6c2e5562/bin/uautomizer-verify-BQ2R08f2Ya/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) [2023-11-29 00:52:45,893 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1659f834-d3af-4a5a-949c-ed1c6c2e5562/bin/uautomizer-verify-BQ2R08f2Ya/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 (32)] Waiting until timeout for monitored process [2023-11-29 00:52:46,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:52:46,464 INFO L262 TraceCheckSpWp]: Trace formula consists of 398 conjuncts, 24 conjunts are in the unsatisfiable core [2023-11-29 00:52:46,470 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 00:52:46,477 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 10 [2023-11-29 00:52:46,647 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 19 [2023-11-29 00:52:46,795 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 19 [2023-11-29 00:52:46,838 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 19 [2023-11-29 00:52:46,890 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 77 treesize of output 31 [2023-11-29 00:52:46,998 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 00:52:46,999 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 43 treesize of output 48 [2023-11-29 00:52:47,828 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 00:52:47,828 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 86 treesize of output 40 [2023-11-29 00:52:47,890 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 272 proven. 3 refuted. 0 times theorem prover too weak. 925 trivial. 0 not checked. [2023-11-29 00:52:47,891 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 00:52:48,177 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1200 trivial. 0 not checked. [2023-11-29 00:52:48,177 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-29 00:52:48,178 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1994404687] [2023-11-29 00:52:48,178 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1994404687] provided 1 perfect and 1 imperfect interpolant sequences [2023-11-29 00:52:48,178 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-29 00:52:48,178 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [11] total 12 [2023-11-29 00:52:48,178 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [160831660] [2023-11-29 00:52:48,178 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 00:52:48,178 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-29 00:52:48,179 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-29 00:52:48,179 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-29 00:52:48,179 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=100, Unknown=0, NotChecked=0, Total=132 [2023-11-29 00:52:48,179 INFO L87 Difference]: Start difference. First operand 547 states and 621 transitions. Second operand has 5 states, 5 states have (on average 15.4) internal successors, (77), 5 states have internal predecessors, (77), 1 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 1 states have call predecessors, (25), 1 states have call successors, (25) [2023-11-29 00:52:49,555 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 00:52:49,555 INFO L93 Difference]: Finished difference Result 980 states and 1114 transitions. [2023-11-29 00:52:49,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-29 00:52:49,556 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 15.4) internal successors, (77), 5 states have internal predecessors, (77), 1 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 1 states have call predecessors, (25), 1 states have call successors, (25) Word has length 199 [2023-11-29 00:52:49,556 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 00:52:49,558 INFO L225 Difference]: With dead ends: 980 [2023-11-29 00:52:49,558 INFO L226 Difference]: Without dead ends: 547 [2023-11-29 00:52:49,559 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 398 GetRequests, 384 SyntacticMatches, 2 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=42, Invalid=140, Unknown=0, NotChecked=0, Total=182 [2023-11-29 00:52:49,560 INFO L413 NwaCegarLoop]: 165 mSDtfsCounter, 78 mSDsluCounter, 387 mSDsCounter, 0 mSdLazyCounter, 196 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 78 SdHoareTripleChecker+Valid, 552 SdHoareTripleChecker+Invalid, 209 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 196 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2023-11-29 00:52:49,560 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [78 Valid, 552 Invalid, 209 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 196 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2023-11-29 00:52:49,561 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 547 states. [2023-11-29 00:52:49,803 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 547 to 547. [2023-11-29 00:52:49,803 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 547 states, 430 states have (on average 1.0906976744186045) internal successors, (469), 432 states have internal predecessors, (469), 75 states have call successors, (75), 41 states have call predecessors, (75), 41 states have return successors, (75), 73 states have call predecessors, (75), 75 states have call successors, (75) [2023-11-29 00:52:49,804 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 547 states to 547 states and 619 transitions. [2023-11-29 00:52:49,804 INFO L78 Accepts]: Start accepts. Automaton has 547 states and 619 transitions. Word has length 199 [2023-11-29 00:52:49,804 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 00:52:49,805 INFO L495 AbstractCegarLoop]: Abstraction has 547 states and 619 transitions. [2023-11-29 00:52:49,805 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 15.4) internal successors, (77), 5 states have internal predecessors, (77), 1 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 1 states have call predecessors, (25), 1 states have call successors, (25) [2023-11-29 00:52:49,805 INFO L276 IsEmpty]: Start isEmpty. Operand 547 states and 619 transitions. [2023-11-29 00:52:49,806 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2023-11-29 00:52:49,806 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 00:52:49,806 INFO L195 NwaCegarLoop]: trace histogram [25, 25, 25, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 00:52:49,812 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1659f834-d3af-4a5a-949c-ed1c6c2e5562/bin/uautomizer-verify-BQ2R08f2Ya/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 (32)] Ended with exit code 0 [2023-11-29 00:52:50,006 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 32 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1659f834-d3af-4a5a-949c-ed1c6c2e5562/bin/uautomizer-verify-BQ2R08f2Ya/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 [2023-11-29 00:52:50,007 INFO L420 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 00:52:50,007 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 00:52:50,007 INFO L85 PathProgramCache]: Analyzing trace with hash 1432030640, now seen corresponding path program 1 times [2023-11-29 00:52:50,008 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 00:52:50,008 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1847532498] [2023-11-29 00:52:50,008 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:52:50,008 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 [2023-11-29 00:52:50,008 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1659f834-d3af-4a5a-949c-ed1c6c2e5562/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 00:52:50,009 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1659f834-d3af-4a5a-949c-ed1c6c2e5562/bin/uautomizer-verify-BQ2R08f2Ya/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) [2023-11-29 00:52:50,010 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1659f834-d3af-4a5a-949c-ed1c6c2e5562/bin/uautomizer-verify-BQ2R08f2Ya/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 (33)] Waiting until timeout for monitored process [2023-11-29 00:52:50,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:52:50,501 INFO L262 TraceCheckSpWp]: Trace formula consists of 392 conjuncts, 35 conjunts are in the unsatisfiable core [2023-11-29 00:52:50,507 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 00:52:50,516 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2023-11-29 00:52:50,760 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 30 [2023-11-29 00:52:51,001 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 00:52:51,002 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 52 treesize of output 33 [2023-11-29 00:52:51,196 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 00:52:51,196 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 52 treesize of output 33 [2023-11-29 00:52:51,393 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 00:52:51,393 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 52 treesize of output 33 [2023-11-29 00:52:51,590 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 00:52:51,590 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 52 treesize of output 33 [2023-11-29 00:52:51,653 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 00:52:51,654 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 54 treesize of output 44 [2023-11-29 00:52:51,759 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 00:52:51,759 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 102 treesize of output 47 [2023-11-29 00:52:51,815 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 00:52:51,815 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 69 treesize of output 65 [2023-11-29 00:52:52,677 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 00:52:52,677 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 113 treesize of output 49 [2023-11-29 00:52:52,792 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 578 proven. 42 refuted. 0 times theorem prover too weak. 580 trivial. 0 not checked. [2023-11-29 00:52:52,792 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 00:52:53,141 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1200 trivial. 0 not checked. [2023-11-29 00:52:53,141 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-29 00:52:53,141 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1847532498] [2023-11-29 00:52:53,141 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1847532498] provided 1 perfect and 1 imperfect interpolant sequences [2023-11-29 00:52:53,141 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-29 00:52:53,142 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [16] total 18 [2023-11-29 00:52:53,142 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1646716037] [2023-11-29 00:52:53,142 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 00:52:53,142 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-29 00:52:53,143 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-29 00:52:53,143 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-29 00:52:53,143 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=255, Unknown=0, NotChecked=0, Total=306 [2023-11-29 00:52:53,144 INFO L87 Difference]: Start difference. First operand 547 states and 619 transitions. Second operand has 6 states, 6 states have (on average 12.833333333333334) internal successors, (77), 6 states have internal predecessors, (77), 1 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 1 states have call predecessors, (25), 1 states have call successors, (25) [2023-11-29 00:52:54,975 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 00:52:54,975 INFO L93 Difference]: Finished difference Result 1334 states and 1505 transitions. [2023-11-29 00:52:54,976 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-11-29 00:52:54,976 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 12.833333333333334) internal successors, (77), 6 states have internal predecessors, (77), 1 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 1 states have call predecessors, (25), 1 states have call successors, (25) Word has length 199 [2023-11-29 00:52:54,976 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 00:52:54,979 INFO L225 Difference]: With dead ends: 1334 [2023-11-29 00:52:54,980 INFO L226 Difference]: Without dead ends: 901 [2023-11-29 00:52:54,980 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 401 GetRequests, 380 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 87 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=82, Invalid=424, Unknown=0, NotChecked=0, Total=506 [2023-11-29 00:52:54,981 INFO L413 NwaCegarLoop]: 151 mSDtfsCounter, 109 mSDsluCounter, 540 mSDsCounter, 0 mSdLazyCounter, 254 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 109 SdHoareTripleChecker+Valid, 691 SdHoareTripleChecker+Invalid, 268 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 254 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2023-11-29 00:52:54,981 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [109 Valid, 691 Invalid, 268 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 254 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2023-11-29 00:52:54,982 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 901 states. [2023-11-29 00:52:55,208 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 901 to 710. [2023-11-29 00:52:55,209 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 710 states, 593 states have (on average 1.0927487352445193) internal successors, (648), 595 states have internal predecessors, (648), 75 states have call successors, (75), 41 states have call predecessors, (75), 41 states have return successors, (75), 73 states have call predecessors, (75), 75 states have call successors, (75) [2023-11-29 00:52:55,210 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 710 states to 710 states and 798 transitions. [2023-11-29 00:52:55,210 INFO L78 Accepts]: Start accepts. Automaton has 710 states and 798 transitions. Word has length 199 [2023-11-29 00:52:55,210 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 00:52:55,210 INFO L495 AbstractCegarLoop]: Abstraction has 710 states and 798 transitions. [2023-11-29 00:52:55,211 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 12.833333333333334) internal successors, (77), 6 states have internal predecessors, (77), 1 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 1 states have call predecessors, (25), 1 states have call successors, (25) [2023-11-29 00:52:55,211 INFO L276 IsEmpty]: Start isEmpty. Operand 710 states and 798 transitions. [2023-11-29 00:52:55,212 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2023-11-29 00:52:55,212 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 00:52:55,212 INFO L195 NwaCegarLoop]: trace histogram [25, 25, 25, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 00:52:55,218 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1659f834-d3af-4a5a-949c-ed1c6c2e5562/bin/uautomizer-verify-BQ2R08f2Ya/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 (33)] Ended with exit code 0 [2023-11-29 00:52:55,412 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 33 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1659f834-d3af-4a5a-949c-ed1c6c2e5562/bin/uautomizer-verify-BQ2R08f2Ya/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 [2023-11-29 00:52:55,412 INFO L420 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 00:52:55,413 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 00:52:55,413 INFO L85 PathProgramCache]: Analyzing trace with hash -1511392138, now seen corresponding path program 1 times [2023-11-29 00:52:55,413 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 00:52:55,413 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [167867658] [2023-11-29 00:52:55,414 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:52:55,414 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 [2023-11-29 00:52:55,414 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1659f834-d3af-4a5a-949c-ed1c6c2e5562/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 00:52:55,415 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1659f834-d3af-4a5a-949c-ed1c6c2e5562/bin/uautomizer-verify-BQ2R08f2Ya/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) [2023-11-29 00:52:55,416 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1659f834-d3af-4a5a-949c-ed1c6c2e5562/bin/uautomizer-verify-BQ2R08f2Ya/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 (34)] Waiting until timeout for monitored process [2023-11-29 00:52:55,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:52:55,939 INFO L262 TraceCheckSpWp]: Trace formula consists of 395 conjuncts, 24 conjunts are in the unsatisfiable core [2023-11-29 00:52:55,944 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 00:52:56,315 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2023-11-29 00:52:56,678 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 80 treesize of output 34 [2023-11-29 00:52:56,730 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 80 treesize of output 34 [2023-11-29 00:52:56,759 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 00:52:56,760 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 157 treesize of output 108 [2023-11-29 00:52:56,989 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 00:52:56,989 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 21 case distinctions, treesize of input 169 treesize of output 126 [2023-11-29 00:52:57,438 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 00:52:57,438 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 8 select indices, 8 select index equivalence classes, 0 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 28 case distinctions, treesize of input 219 treesize of output 77 [2023-11-29 00:52:57,554 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 0 proven. 96 refuted. 0 times theorem prover too weak. 1104 trivial. 0 not checked. [2023-11-29 00:52:57,555 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 00:52:57,931 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-29 00:52:57,932 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [167867658] [2023-11-29 00:52:57,932 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [167867658] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 00:52:57,932 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1863228453] [2023-11-29 00:52:57,932 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:52:57,932 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-29 00:52:57,932 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1659f834-d3af-4a5a-949c-ed1c6c2e5562/bin/uautomizer-verify-BQ2R08f2Ya/cvc4 [2023-11-29 00:52:57,933 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1659f834-d3af-4a5a-949c-ed1c6c2e5562/bin/uautomizer-verify-BQ2R08f2Ya/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-29 00:52:57,934 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1659f834-d3af-4a5a-949c-ed1c6c2e5562/bin/uautomizer-verify-BQ2R08f2Ya/cvc4 --incremental --print-success --lang smt (35)] Waiting until timeout for monitored process [2023-11-29 00:52:59,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:52:59,753 INFO L262 TraceCheckSpWp]: Trace formula consists of 395 conjuncts, 28 conjunts are in the unsatisfiable core [2023-11-29 00:52:59,759 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 00:53:00,724 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2023-11-29 00:53:01,330 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 64 treesize of output 32 [2023-11-29 00:53:01,399 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 64 treesize of output 32 [2023-11-29 00:53:01,424 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 10 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 124 treesize of output 59 [2023-11-29 00:53:01,589 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 00:53:01,590 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 105 treesize of output 70 [2023-11-29 00:53:02,067 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 0 proven. 96 refuted. 0 times theorem prover too weak. 1104 trivial. 0 not checked. [2023-11-29 00:53:02,068 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 00:53:02,283 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1863228453] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 00:53:02,283 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-29 00:53:02,283 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 17 [2023-11-29 00:53:02,283 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1428652855] [2023-11-29 00:53:02,283 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-29 00:53:02,284 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2023-11-29 00:53:02,284 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-29 00:53:02,285 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2023-11-29 00:53:02,285 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=78, Invalid=342, Unknown=0, NotChecked=0, Total=420 [2023-11-29 00:53:02,285 INFO L87 Difference]: Start difference. First operand 710 states and 798 transitions. Second operand has 18 states, 18 states have (on average 7.333333333333333) internal successors, (132), 17 states have internal predecessors, (132), 4 states have call successors, (50), 4 states have call predecessors, (50), 4 states have return successors, (50), 4 states have call predecessors, (50), 4 states have call successors, (50) [2023-11-29 00:53:11,354 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.11s for a HTC check with result VALID. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-29 00:53:17,756 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.50s for a HTC check with result VALID. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-29 00:53:19,549 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 00:53:19,550 INFO L93 Difference]: Finished difference Result 1439 states and 1615 transitions. [2023-11-29 00:53:19,551 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-11-29 00:53:19,551 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 7.333333333333333) internal successors, (132), 17 states have internal predecessors, (132), 4 states have call successors, (50), 4 states have call predecessors, (50), 4 states have return successors, (50), 4 states have call predecessors, (50), 4 states have call successors, (50) Word has length 199 [2023-11-29 00:53:19,551 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 00:53:19,556 INFO L225 Difference]: With dead ends: 1439 [2023-11-29 00:53:19,556 INFO L226 Difference]: Without dead ends: 819 [2023-11-29 00:53:19,558 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 497 GetRequests, 468 SyntacticMatches, 1 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 184 ImplicationChecksByTransitivity, 2.5s TimeCoverageRelationStatistics Valid=190, Invalid=680, Unknown=0, NotChecked=0, Total=870 [2023-11-29 00:53:19,558 INFO L413 NwaCegarLoop]: 133 mSDtfsCounter, 417 mSDsluCounter, 512 mSDsCounter, 0 mSdLazyCounter, 2067 mSolverCounterSat, 130 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 15.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 418 SdHoareTripleChecker+Valid, 645 SdHoareTripleChecker+Invalid, 2197 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 130 IncrementalHoareTripleChecker+Valid, 2067 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 16.0s IncrementalHoareTripleChecker+Time [2023-11-29 00:53:19,558 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [418 Valid, 645 Invalid, 2197 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [130 Valid, 2067 Invalid, 0 Unknown, 0 Unchecked, 16.0s Time] [2023-11-29 00:53:19,560 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 819 states. [2023-11-29 00:53:19,833 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 819 to 622. [2023-11-29 00:53:19,834 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 622 states, 505 states have (on average 1.0891089108910892) internal successors, (550), 507 states have internal predecessors, (550), 75 states have call successors, (75), 41 states have call predecessors, (75), 41 states have return successors, (75), 73 states have call predecessors, (75), 75 states have call successors, (75) [2023-11-29 00:53:19,835 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 622 states to 622 states and 700 transitions. [2023-11-29 00:53:19,835 INFO L78 Accepts]: Start accepts. Automaton has 622 states and 700 transitions. Word has length 199 [2023-11-29 00:53:19,835 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 00:53:19,835 INFO L495 AbstractCegarLoop]: Abstraction has 622 states and 700 transitions. [2023-11-29 00:53:19,836 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 7.333333333333333) internal successors, (132), 17 states have internal predecessors, (132), 4 states have call successors, (50), 4 states have call predecessors, (50), 4 states have return successors, (50), 4 states have call predecessors, (50), 4 states have call successors, (50) [2023-11-29 00:53:19,836 INFO L276 IsEmpty]: Start isEmpty. Operand 622 states and 700 transitions. [2023-11-29 00:53:19,837 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2023-11-29 00:53:19,837 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 00:53:19,837 INFO L195 NwaCegarLoop]: trace histogram [25, 25, 25, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 00:53:19,844 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1659f834-d3af-4a5a-949c-ed1c6c2e5562/bin/uautomizer-verify-BQ2R08f2Ya/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 (34)] Ended with exit code 0 [2023-11-29 00:53:20,046 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1659f834-d3af-4a5a-949c-ed1c6c2e5562/bin/uautomizer-verify-BQ2R08f2Ya/cvc4 --incremental --print-success --lang smt (35)] Ended with exit code 0 [2023-11-29 00:53:20,237 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 34 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1659f834-d3af-4a5a-949c-ed1c6c2e5562/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3,35 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1659f834-d3af-4a5a-949c-ed1c6c2e5562/bin/uautomizer-verify-BQ2R08f2Ya/cvc4 --incremental --print-success --lang smt [2023-11-29 00:53:20,238 INFO L420 AbstractCegarLoop]: === Iteration 33 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 00:53:20,238 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 00:53:20,238 INFO L85 PathProgramCache]: Analyzing trace with hash 402671342, now seen corresponding path program 1 times [2023-11-29 00:53:20,239 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 00:53:20,239 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2138406679] [2023-11-29 00:53:20,239 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:53:20,239 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-29 00:53:20,239 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1659f834-d3af-4a5a-949c-ed1c6c2e5562/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 00:53:20,240 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1659f834-d3af-4a5a-949c-ed1c6c2e5562/bin/uautomizer-verify-BQ2R08f2Ya/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) [2023-11-29 00:53:20,241 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1659f834-d3af-4a5a-949c-ed1c6c2e5562/bin/uautomizer-verify-BQ2R08f2Ya/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 (36)] Waiting until timeout for monitored process [2023-11-29 00:53:20,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:53:20,512 INFO L262 TraceCheckSpWp]: Trace formula consists of 390 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-29 00:53:20,514 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 00:53:20,535 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1200 trivial. 0 not checked. [2023-11-29 00:53:20,535 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 00:53:20,535 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-29 00:53:20,536 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2138406679] [2023-11-29 00:53:20,536 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2138406679] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 00:53:20,536 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 00:53:20,536 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-29 00:53:20,536 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [858635151] [2023-11-29 00:53:20,536 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 00:53:20,537 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-29 00:53:20,537 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-29 00:53:20,537 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-29 00:53:20,537 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-29 00:53:20,538 INFO L87 Difference]: Start difference. First operand 622 states and 700 transitions. Second operand has 4 states, 4 states have (on average 19.25) internal successors, (77), 4 states have internal predecessors, (77), 1 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 1 states have call predecessors, (25), 1 states have call successors, (25) [2023-11-29 00:53:20,844 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 00:53:20,844 INFO L93 Difference]: Finished difference Result 1174 states and 1326 transitions. [2023-11-29 00:53:20,845 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-29 00:53:20,845 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 19.25) internal successors, (77), 4 states have internal predecessors, (77), 1 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 1 states have call predecessors, (25), 1 states have call successors, (25) Word has length 199 [2023-11-29 00:53:20,845 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 00:53:20,848 INFO L225 Difference]: With dead ends: 1174 [2023-11-29 00:53:20,848 INFO L226 Difference]: Without dead ends: 666 [2023-11-29 00:53:20,849 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 198 GetRequests, 196 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-29 00:53:20,849 INFO L413 NwaCegarLoop]: 141 mSDtfsCounter, 9 mSDsluCounter, 276 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 417 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-29 00:53:20,849 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 417 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-29 00:53:20,850 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 666 states. [2023-11-29 00:53:21,104 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 666 to 630. [2023-11-29 00:53:21,105 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 630 states, 513 states have (on average 1.087719298245614) internal successors, (558), 515 states have internal predecessors, (558), 75 states have call successors, (75), 41 states have call predecessors, (75), 41 states have return successors, (75), 73 states have call predecessors, (75), 75 states have call successors, (75) [2023-11-29 00:53:21,106 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 630 states to 630 states and 708 transitions. [2023-11-29 00:53:21,107 INFO L78 Accepts]: Start accepts. Automaton has 630 states and 708 transitions. Word has length 199 [2023-11-29 00:53:21,107 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 00:53:21,107 INFO L495 AbstractCegarLoop]: Abstraction has 630 states and 708 transitions. [2023-11-29 00:53:21,107 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 19.25) internal successors, (77), 4 states have internal predecessors, (77), 1 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 1 states have call predecessors, (25), 1 states have call successors, (25) [2023-11-29 00:53:21,107 INFO L276 IsEmpty]: Start isEmpty. Operand 630 states and 708 transitions. [2023-11-29 00:53:21,108 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2023-11-29 00:53:21,108 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 00:53:21,108 INFO L195 NwaCegarLoop]: trace histogram [25, 25, 25, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 00:53:21,115 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1659f834-d3af-4a5a-949c-ed1c6c2e5562/bin/uautomizer-verify-BQ2R08f2Ya/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 (36)] Ended with exit code 0 [2023-11-29 00:53:21,309 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 36 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1659f834-d3af-4a5a-949c-ed1c6c2e5562/bin/uautomizer-verify-BQ2R08f2Ya/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 [2023-11-29 00:53:21,309 INFO L420 AbstractCegarLoop]: === Iteration 34 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 00:53:21,309 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 00:53:21,309 INFO L85 PathProgramCache]: Analyzing trace with hash -969135956, now seen corresponding path program 1 times [2023-11-29 00:53:21,310 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 00:53:21,310 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1091965101] [2023-11-29 00:53:21,310 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:53:21,310 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 [2023-11-29 00:53:21,310 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1659f834-d3af-4a5a-949c-ed1c6c2e5562/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 00:53:21,311 INFO L229 MonitoredProcess]: Starting monitored process 37 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1659f834-d3af-4a5a-949c-ed1c6c2e5562/bin/uautomizer-verify-BQ2R08f2Ya/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) [2023-11-29 00:53:21,312 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1659f834-d3af-4a5a-949c-ed1c6c2e5562/bin/uautomizer-verify-BQ2R08f2Ya/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 (37)] Waiting until timeout for monitored process [2023-11-29 00:53:21,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:53:21,748 INFO L262 TraceCheckSpWp]: Trace formula consists of 392 conjuncts, 35 conjunts are in the unsatisfiable core [2023-11-29 00:53:21,754 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 00:53:21,762 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 10 [2023-11-29 00:53:22,191 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 47 treesize of output 34 [2023-11-29 00:53:22,505 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 00:53:22,505 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 57 treesize of output 47 [2023-11-29 00:53:22,909 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 00:53:22,909 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 50 treesize of output 40 [2023-11-29 00:53:23,230 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 00:53:23,231 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 50 treesize of output 40 [2023-11-29 00:53:23,545 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 00:53:23,546 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 50 treesize of output 40 [2023-11-29 00:53:23,860 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 00:53:23,860 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 50 treesize of output 40 [2023-11-29 00:53:24,184 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 00:53:24,184 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 50 treesize of output 40 [2023-11-29 00:53:24,514 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 00:53:24,514 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 50 treesize of output 40 [2023-11-29 00:53:24,829 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 00:53:24,829 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 45 treesize of output 50 [2023-11-29 00:53:25,340 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 00:53:25,341 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 60 treesize of output 53 [2023-11-29 00:53:25,699 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 00:53:25,700 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 60 treesize of output 53 [2023-11-29 00:53:25,750 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 00:53:25,750 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 68 treesize of output 32 [2023-11-29 00:53:25,796 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 682 proven. 114 refuted. 0 times theorem prover too weak. 404 trivial. 0 not checked. [2023-11-29 00:53:25,796 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 00:53:26,404 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 24 proven. 114 refuted. 0 times theorem prover too weak. 1062 trivial. 0 not checked. [2023-11-29 00:53:26,405 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-29 00:53:26,405 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1091965101] [2023-11-29 00:53:26,405 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1091965101] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-29 00:53:26,405 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-29 00:53:26,405 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 8] total 20 [2023-11-29 00:53:26,405 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1646428603] [2023-11-29 00:53:26,405 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-29 00:53:26,406 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2023-11-29 00:53:26,406 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-29 00:53:26,407 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2023-11-29 00:53:26,407 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=112, Invalid=268, Unknown=0, NotChecked=0, Total=380 [2023-11-29 00:53:26,407 INFO L87 Difference]: Start difference. First operand 630 states and 708 transitions. Second operand has 20 states, 16 states have (on average 7.75) internal successors, (124), 17 states have internal predecessors, (124), 9 states have call successors, (46), 6 states have call predecessors, (46), 7 states have return successors, (46), 7 states have call predecessors, (46), 9 states have call successors, (46) [2023-11-29 00:53:32,002 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 00:53:32,002 INFO L93 Difference]: Finished difference Result 1052 states and 1175 transitions. [2023-11-29 00:53:32,003 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2023-11-29 00:53:32,003 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 16 states have (on average 7.75) internal successors, (124), 17 states have internal predecessors, (124), 9 states have call successors, (46), 6 states have call predecessors, (46), 7 states have return successors, (46), 7 states have call predecessors, (46), 9 states have call successors, (46) Word has length 199 [2023-11-29 00:53:32,003 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 00:53:32,006 INFO L225 Difference]: With dead ends: 1052 [2023-11-29 00:53:32,006 INFO L226 Difference]: Without dead ends: 536 [2023-11-29 00:53:32,007 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 409 GetRequests, 378 SyntacticMatches, 0 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 207 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=309, Invalid=747, Unknown=0, NotChecked=0, Total=1056 [2023-11-29 00:53:32,007 INFO L413 NwaCegarLoop]: 63 mSDtfsCounter, 74 mSDsluCounter, 251 mSDsCounter, 0 mSdLazyCounter, 1079 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 84 SdHoareTripleChecker+Valid, 314 SdHoareTripleChecker+Invalid, 1100 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 1079 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.3s IncrementalHoareTripleChecker+Time [2023-11-29 00:53:32,007 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [84 Valid, 314 Invalid, 1100 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 1079 Invalid, 0 Unknown, 0 Unchecked, 4.3s Time] [2023-11-29 00:53:32,008 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 536 states. [2023-11-29 00:53:32,264 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 536 to 494. [2023-11-29 00:53:32,265 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 494 states, 377 states have (on average 1.0583554376657824) internal successors, (399), 379 states have internal predecessors, (399), 75 states have call successors, (75), 41 states have call predecessors, (75), 41 states have return successors, (75), 73 states have call predecessors, (75), 75 states have call successors, (75) [2023-11-29 00:53:32,267 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 494 states to 494 states and 549 transitions. [2023-11-29 00:53:32,267 INFO L78 Accepts]: Start accepts. Automaton has 494 states and 549 transitions. Word has length 199 [2023-11-29 00:53:32,267 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 00:53:32,267 INFO L495 AbstractCegarLoop]: Abstraction has 494 states and 549 transitions. [2023-11-29 00:53:32,267 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 16 states have (on average 7.75) internal successors, (124), 17 states have internal predecessors, (124), 9 states have call successors, (46), 6 states have call predecessors, (46), 7 states have return successors, (46), 7 states have call predecessors, (46), 9 states have call successors, (46) [2023-11-29 00:53:32,267 INFO L276 IsEmpty]: Start isEmpty. Operand 494 states and 549 transitions. [2023-11-29 00:53:32,268 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 202 [2023-11-29 00:53:32,268 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 00:53:32,269 INFO L195 NwaCegarLoop]: trace histogram [25, 25, 25, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 00:53:32,276 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1659f834-d3af-4a5a-949c-ed1c6c2e5562/bin/uautomizer-verify-BQ2R08f2Ya/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 (37)] Ended with exit code 0 [2023-11-29 00:53:32,469 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 37 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1659f834-d3af-4a5a-949c-ed1c6c2e5562/bin/uautomizer-verify-BQ2R08f2Ya/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 [2023-11-29 00:53:32,469 INFO L420 AbstractCegarLoop]: === Iteration 35 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 00:53:32,470 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 00:53:32,470 INFO L85 PathProgramCache]: Analyzing trace with hash 882775806, now seen corresponding path program 1 times [2023-11-29 00:53:32,470 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 00:53:32,470 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1069797714] [2023-11-29 00:53:32,470 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:53:32,471 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-29 00:53:32,471 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1659f834-d3af-4a5a-949c-ed1c6c2e5562/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 00:53:32,472 INFO L229 MonitoredProcess]: Starting monitored process 38 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1659f834-d3af-4a5a-949c-ed1c6c2e5562/bin/uautomizer-verify-BQ2R08f2Ya/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) [2023-11-29 00:53:32,473 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1659f834-d3af-4a5a-949c-ed1c6c2e5562/bin/uautomizer-verify-BQ2R08f2Ya/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 (38)] Waiting until timeout for monitored process [2023-11-29 00:53:32,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:53:32,971 INFO L262 TraceCheckSpWp]: Trace formula consists of 404 conjuncts, 40 conjunts are in the unsatisfiable core [2023-11-29 00:53:32,976 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 00:53:33,347 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2023-11-29 00:53:33,981 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 78 treesize of output 32 [2023-11-29 00:53:34,060 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 78 treesize of output 32 [2023-11-29 00:53:34,087 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 00:53:34,095 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 00:53:34,095 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 155 treesize of output 106 [2023-11-29 00:53:34,681 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 00:53:34,682 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 21 case distinctions, treesize of input 219 treesize of output 140 [2023-11-29 00:53:34,718 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 96 proven. 0 refuted. 0 times theorem prover too weak. 1104 trivial. 0 not checked. [2023-11-29 00:53:34,718 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 00:53:34,718 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-29 00:53:34,718 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1069797714] [2023-11-29 00:53:34,718 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1069797714] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 00:53:34,718 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 00:53:34,718 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2023-11-29 00:53:34,718 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [696308751] [2023-11-29 00:53:34,719 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 00:53:34,719 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-11-29 00:53:34,719 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-29 00:53:34,720 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-11-29 00:53:34,720 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2023-11-29 00:53:34,720 INFO L87 Difference]: Start difference. First operand 494 states and 549 transitions. Second operand has 12 states, 11 states have (on average 7.454545454545454) internal successors, (82), 10 states have internal predecessors, (82), 2 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2023-11-29 00:53:44,045 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 00:53:44,045 INFO L93 Difference]: Finished difference Result 1100 states and 1216 transitions. [2023-11-29 00:53:44,046 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2023-11-29 00:53:44,046 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 7.454545454545454) internal successors, (82), 10 states have internal predecessors, (82), 2 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) Word has length 201 [2023-11-29 00:53:44,046 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 00:53:44,049 INFO L225 Difference]: With dead ends: 1100 [2023-11-29 00:53:44,049 INFO L226 Difference]: Without dead ends: 720 [2023-11-29 00:53:44,050 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 209 GetRequests, 190 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 42 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=113, Invalid=307, Unknown=0, NotChecked=0, Total=420 [2023-11-29 00:53:44,050 INFO L413 NwaCegarLoop]: 121 mSDtfsCounter, 188 mSDsluCounter, 311 mSDsCounter, 0 mSdLazyCounter, 1720 mSolverCounterSat, 36 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 235 SdHoareTripleChecker+Valid, 432 SdHoareTripleChecker+Invalid, 1756 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 36 IncrementalHoareTripleChecker+Valid, 1720 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.0s IncrementalHoareTripleChecker+Time [2023-11-29 00:53:44,050 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [235 Valid, 432 Invalid, 1756 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [36 Valid, 1720 Invalid, 0 Unknown, 0 Unchecked, 8.0s Time] [2023-11-29 00:53:44,051 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 720 states. [2023-11-29 00:53:44,377 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 720 to 519. [2023-11-29 00:53:44,377 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 519 states, 400 states have (on average 1.0575) internal successors, (423), 402 states have internal predecessors, (423), 76 states have call successors, (76), 42 states have call predecessors, (76), 42 states have return successors, (76), 74 states have call predecessors, (76), 76 states have call successors, (76) [2023-11-29 00:53:44,378 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 519 states to 519 states and 575 transitions. [2023-11-29 00:53:44,378 INFO L78 Accepts]: Start accepts. Automaton has 519 states and 575 transitions. Word has length 201 [2023-11-29 00:53:44,378 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 00:53:44,379 INFO L495 AbstractCegarLoop]: Abstraction has 519 states and 575 transitions. [2023-11-29 00:53:44,379 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 7.454545454545454) internal successors, (82), 10 states have internal predecessors, (82), 2 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2023-11-29 00:53:44,379 INFO L276 IsEmpty]: Start isEmpty. Operand 519 states and 575 transitions. [2023-11-29 00:53:44,380 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 202 [2023-11-29 00:53:44,380 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 00:53:44,380 INFO L195 NwaCegarLoop]: trace histogram [25, 25, 25, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 00:53:44,389 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1659f834-d3af-4a5a-949c-ed1c6c2e5562/bin/uautomizer-verify-BQ2R08f2Ya/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 (38)] Ended with exit code 0 [2023-11-29 00:53:44,580 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 38 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1659f834-d3af-4a5a-949c-ed1c6c2e5562/bin/uautomizer-verify-BQ2R08f2Ya/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 [2023-11-29 00:53:44,580 INFO L420 AbstractCegarLoop]: === Iteration 36 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 00:53:44,581 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 00:53:44,581 INFO L85 PathProgramCache]: Analyzing trace with hash -1873851460, now seen corresponding path program 1 times [2023-11-29 00:53:44,582 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 00:53:44,582 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [456782307] [2023-11-29 00:53:44,582 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:53:44,582 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 [2023-11-29 00:53:44,582 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1659f834-d3af-4a5a-949c-ed1c6c2e5562/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 00:53:44,583 INFO L229 MonitoredProcess]: Starting monitored process 39 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1659f834-d3af-4a5a-949c-ed1c6c2e5562/bin/uautomizer-verify-BQ2R08f2Ya/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) [2023-11-29 00:53:44,584 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1659f834-d3af-4a5a-949c-ed1c6c2e5562/bin/uautomizer-verify-BQ2R08f2Ya/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 (39)] Waiting until timeout for monitored process [2023-11-29 00:53:44,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:53:44,937 INFO L262 TraceCheckSpWp]: Trace formula consists of 402 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-29 00:53:44,941 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 00:53:44,992 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 72 proven. 0 refuted. 0 times theorem prover too weak. 1128 trivial. 0 not checked. [2023-11-29 00:53:44,992 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 00:53:44,992 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-29 00:53:44,992 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [456782307] [2023-11-29 00:53:44,992 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [456782307] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 00:53:44,992 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 00:53:44,993 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-29 00:53:44,993 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1917650280] [2023-11-29 00:53:44,993 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 00:53:44,993 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-29 00:53:44,993 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-29 00:53:44,994 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-29 00:53:44,994 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-11-29 00:53:44,994 INFO L87 Difference]: Start difference. First operand 519 states and 575 transitions. Second operand has 6 states, 5 states have (on average 16.4) internal successors, (82), 6 states have internal predecessors, (82), 2 states have call successors, (25), 1 states have call predecessors, (25), 2 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2023-11-29 00:53:45,647 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 00:53:45,647 INFO L93 Difference]: Finished difference Result 781 states and 859 transitions. [2023-11-29 00:53:45,650 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-29 00:53:45,650 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 16.4) internal successors, (82), 6 states have internal predecessors, (82), 2 states have call successors, (25), 1 states have call predecessors, (25), 2 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) Word has length 201 [2023-11-29 00:53:45,651 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 00:53:45,651 INFO L225 Difference]: With dead ends: 781 [2023-11-29 00:53:45,651 INFO L226 Difference]: Without dead ends: 0 [2023-11-29 00:53:45,652 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 202 GetRequests, 196 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2023-11-29 00:53:45,652 INFO L413 NwaCegarLoop]: 108 mSDtfsCounter, 7 mSDsluCounter, 368 mSDsCounter, 0 mSdLazyCounter, 206 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 476 SdHoareTripleChecker+Invalid, 214 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 206 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-11-29 00:53:45,653 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7 Valid, 476 Invalid, 214 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 206 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-11-29 00:53:45,653 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2023-11-29 00:53:45,653 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2023-11-29 00:53:45,653 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:53:45,653 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2023-11-29 00:53:45,654 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 201 [2023-11-29 00:53:45,654 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 00:53:45,654 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-29 00:53:45,654 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 16.4) internal successors, (82), 6 states have internal predecessors, (82), 2 states have call successors, (25), 1 states have call predecessors, (25), 2 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2023-11-29 00:53:45,654 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2023-11-29 00:53:45,654 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-29 00:53:45,656 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-29 00:53:45,663 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1659f834-d3af-4a5a-949c-ed1c6c2e5562/bin/uautomizer-verify-BQ2R08f2Ya/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 (39)] Ended with exit code 0 [2023-11-29 00:53:45,857 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 39 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1659f834-d3af-4a5a-949c-ed1c6c2e5562/bin/uautomizer-verify-BQ2R08f2Ya/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 [2023-11-29 00:53:45,859 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2023-11-29 00:56:20,701 WARN L293 SmtUtils]: Spent 2.58m on a formula simplification. DAG size of input: 533 DAG size of output: 659 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2023-11-29 00:59:10,389 WARN L293 SmtUtils]: Spent 2.79m on a formula simplification. DAG size of input: 548 DAG size of output: 677 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or)