./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-6.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_7680e8c5-c7a9-4a18-aa9d-8b20008de08d/bin/utaipan-verify-nQ1chXbOIh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7680e8c5-c7a9-4a18-aa9d-8b20008de08d/bin/utaipan-verify-nQ1chXbOIh/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7680e8c5-c7a9-4a18-aa9d-8b20008de08d/bin/utaipan-verify-nQ1chXbOIh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7680e8c5-c7a9-4a18-aa9d-8b20008de08d/bin/utaipan-verify-nQ1chXbOIh/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-6.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7680e8c5-c7a9-4a18-aa9d-8b20008de08d/bin/utaipan-verify-nQ1chXbOIh/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7680e8c5-c7a9-4a18-aa9d-8b20008de08d/bin/utaipan-verify-nQ1chXbOIh --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 704df788abd4d158785e676aa1cfa96621053bb5e430ce2d41562957fb66d52d --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 18:43:25,918 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 18:43:25,998 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7680e8c5-c7a9-4a18-aa9d-8b20008de08d/bin/utaipan-verify-nQ1chXbOIh/config/svcomp-Reach-32bit-Taipan_Default.epf [2023-12-02 18:43:26,003 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-02 18:43:26,004 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-02 18:43:26,034 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 18:43:26,035 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-02 18:43:26,036 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-02 18:43:26,036 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 18:43:26,037 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-02 18:43:26,038 INFO L153 SettingsManager]: * User list type=DISABLED [2023-12-02 18:43:26,039 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-12-02 18:43:26,039 INFO L153 SettingsManager]: * Explicit value domain=true [2023-12-02 18:43:26,040 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-12-02 18:43:26,040 INFO L153 SettingsManager]: * Octagon Domain=false [2023-12-02 18:43:26,041 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-12-02 18:43:26,042 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-12-02 18:43:26,042 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-12-02 18:43:26,043 INFO L153 SettingsManager]: * Interval Domain=false [2023-12-02 18:43:26,044 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-12-02 18:43:26,045 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-12-02 18:43:26,045 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-12-02 18:43:26,047 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 18:43:26,047 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 18:43:26,048 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-02 18:43:26,048 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-02 18:43:26,049 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-02 18:43:26,049 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 18:43:26,050 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 18:43:26,050 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 18:43:26,051 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 18:43:26,051 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-02 18:43:26,052 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 18:43:26,052 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 18:43:26,052 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 18:43:26,053 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-02 18:43:26,053 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-02 18:43:26,053 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 18:43:26,054 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 18:43:26,054 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 18:43:26,054 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 18:43:26,054 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-12-02 18:43:26,055 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-02 18:43:26,055 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-02 18:43:26,055 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 18:43:26,055 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-12-02 18:43:26,055 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-02 18:43:26,056 INFO L153 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7680e8c5-c7a9-4a18-aa9d-8b20008de08d/bin/utaipan-verify-nQ1chXbOIh/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7680e8c5-c7a9-4a18-aa9d-8b20008de08d/bin/utaipan-verify-nQ1chXbOIh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 704df788abd4d158785e676aa1cfa96621053bb5e430ce2d41562957fb66d52d [2023-12-02 18:43:26,299 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 18:43:26,324 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 18:43:26,327 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 18:43:26,328 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 18:43:26,329 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 18:43:26,330 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7680e8c5-c7a9-4a18-aa9d-8b20008de08d/bin/utaipan-verify-nQ1chXbOIh/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-6.i [2023-12-02 18:43:29,595 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 18:43:29,812 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 18:43:29,813 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7680e8c5-c7a9-4a18-aa9d-8b20008de08d/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-6.i [2023-12-02 18:43:29,825 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7680e8c5-c7a9-4a18-aa9d-8b20008de08d/bin/utaipan-verify-nQ1chXbOIh/data/7d6707c8d/f7c7eaf348e94b40b9d65423efb5220e/FLAG304c26d57 [2023-12-02 18:43:29,840 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7680e8c5-c7a9-4a18-aa9d-8b20008de08d/bin/utaipan-verify-nQ1chXbOIh/data/7d6707c8d/f7c7eaf348e94b40b9d65423efb5220e [2023-12-02 18:43:29,843 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 18:43:29,844 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 18:43:29,846 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 18:43:29,846 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 18:43:29,852 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 18:43:29,853 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 06:43:29" (1/1) ... [2023-12-02 18:43:29,855 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@27b0f1c7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:43:29, skipping insertion in model container [2023-12-02 18:43:29,855 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 06:43:29" (1/1) ... [2023-12-02 18:43:29,892 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 18:43:30,019 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_7680e8c5-c7a9-4a18-aa9d-8b20008de08d/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-6.i[915,928] [2023-12-02 18:43:30,078 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 18:43:30,091 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 18:43:30,101 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_7680e8c5-c7a9-4a18-aa9d-8b20008de08d/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-6.i[915,928] [2023-12-02 18:43:30,143 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 18:43:30,160 INFO L206 MainTranslator]: Completed translation [2023-12-02 18:43:30,160 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:43:30 WrapperNode [2023-12-02 18:43:30,161 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 18:43:30,161 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 18:43:30,161 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 18:43:30,162 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 18:43:30,167 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:43:30" (1/1) ... [2023-12-02 18:43:30,182 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:43:30" (1/1) ... [2023-12-02 18:43:30,228 INFO L138 Inliner]: procedures = 29, calls = 166, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 459 [2023-12-02 18:43:30,228 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 18:43:30,228 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 18:43:30,229 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 18:43:30,229 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 18:43:30,236 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:43:30" (1/1) ... [2023-12-02 18:43:30,236 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:43:30" (1/1) ... [2023-12-02 18:43:30,243 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:43:30" (1/1) ... [2023-12-02 18:43:30,243 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:43:30" (1/1) ... [2023-12-02 18:43:30,269 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:43:30" (1/1) ... [2023-12-02 18:43:30,274 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:43:30" (1/1) ... [2023-12-02 18:43:30,278 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:43:30" (1/1) ... [2023-12-02 18:43:30,281 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:43:30" (1/1) ... [2023-12-02 18:43:30,288 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 18:43:30,289 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 18:43:30,289 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 18:43:30,289 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 18:43:30,290 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:43:30" (1/1) ... [2023-12-02 18:43:30,297 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 18:43:30,309 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7680e8c5-c7a9-4a18-aa9d-8b20008de08d/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 18:43:30,325 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7680e8c5-c7a9-4a18-aa9d-8b20008de08d/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-12-02 18:43:30,336 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7680e8c5-c7a9-4a18-aa9d-8b20008de08d/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-12-02 18:43:30,366 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 18:43:30,366 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-12-02 18:43:30,366 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2023-12-02 18:43:30,366 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2023-12-02 18:43:30,367 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-12-02 18:43:30,367 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real [2023-12-02 18:43:30,367 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-12-02 18:43:30,367 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-12-02 18:43:30,367 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-02 18:43:30,367 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 18:43:30,368 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 18:43:30,474 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 18:43:30,476 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 18:43:30,987 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 18:43:31,527 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 18:43:31,528 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-02 18:43:31,529 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 06:43:31 BoogieIcfgContainer [2023-12-02 18:43:31,530 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 18:43:31,533 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-02 18:43:31,533 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-02 18:43:31,537 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-02 18:43:31,537 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 06:43:29" (1/3) ... [2023-12-02 18:43:31,538 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5ba2932f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 06:43:31, skipping insertion in model container [2023-12-02 18:43:31,538 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:43:30" (2/3) ... [2023-12-02 18:43:31,539 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5ba2932f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 06:43:31, skipping insertion in model container [2023-12-02 18:43:31,539 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 06:43:31" (3/3) ... [2023-12-02 18:43:31,540 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_wrapper-s_file-6.i [2023-12-02 18:43:31,561 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-02 18:43:31,561 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-12-02 18:43:31,615 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-02 18:43:31,623 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@72182adc, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-02 18:43:31,624 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-12-02 18:43:31,628 INFO L276 IsEmpty]: Start isEmpty. Operand has 47 states, 25 states have (on average 1.12) internal successors, (28), 26 states have internal predecessors, (28), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2023-12-02 18:43:31,641 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2023-12-02 18:43:31,641 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 18:43:31,642 INFO L195 NwaCegarLoop]: trace histogram [19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 18:43:31,643 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 18:43:31,649 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 18:43:31,649 INFO L85 PathProgramCache]: Analyzing trace with hash -966345981, now seen corresponding path program 1 times [2023-12-02 18:43:31,660 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 18:43:31,660 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1741460575] [2023-12-02 18:43:31,661 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 18:43:31,661 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 18:43:31,904 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-12-02 18:43:31,905 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1504211938] [2023-12-02 18:43:31,905 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 18:43:31,905 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 18:43:31,906 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7680e8c5-c7a9-4a18-aa9d-8b20008de08d/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 18:43:31,911 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7680e8c5-c7a9-4a18-aa9d-8b20008de08d/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-02 18:43:31,912 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7680e8c5-c7a9-4a18-aa9d-8b20008de08d/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-12-02 18:43:44,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 18:43:44,935 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-02 18:43:48,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 18:43:48,908 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2023-12-02 18:43:48,911 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-12-02 18:43:48,912 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-12-02 18:43:48,956 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7680e8c5-c7a9-4a18-aa9d-8b20008de08d/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-12-02 18:43:49,115 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7680e8c5-c7a9-4a18-aa9d-8b20008de08d/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2023-12-02 18:43:49,119 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-12-02 18:43:49,122 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-12-02 18:43:49,156 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem38 could not be translated [2023-12-02 18:43:49,157 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem38 could not be translated [2023-12-02 18:43:49,157 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem39 could not be translated [2023-12-02 18:43:49,158 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem39 could not be translated [2023-12-02 18:43:49,158 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem40 could not be translated [2023-12-02 18:43:49,159 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem40 could not be translated [2023-12-02 18:43:49,159 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem42 could not be translated [2023-12-02 18:43:49,160 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem42 could not be translated [2023-12-02 18:43:49,160 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem43 could not be translated [2023-12-02 18:43:49,161 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem43 could not be translated [2023-12-02 18:43:49,161 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem45 could not be translated [2023-12-02 18:43:49,162 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem45 could not be translated [2023-12-02 18:43:49,162 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem46 could not be translated [2023-12-02 18:43:49,163 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem46 could not be translated [2023-12-02 18:43:49,163 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short50 could not be translated [2023-12-02 18:43:49,164 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem49 could not be translated [2023-12-02 18:43:49,164 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short53 could not be translated [2023-12-02 18:43:49,164 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short54 could not be translated [2023-12-02 18:43:49,164 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem48 could not be translated [2023-12-02 18:43:49,165 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem52 could not be translated [2023-12-02 18:43:49,165 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem51 could not be translated [2023-12-02 18:43:49,165 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short54 could not be translated [2023-12-02 18:43:49,165 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem49 could not be translated [2023-12-02 18:43:49,166 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem48 could not be translated [2023-12-02 18:43:49,166 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short50 could not be translated [2023-12-02 18:43:49,166 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem52 could not be translated [2023-12-02 18:43:49,166 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem51 could not be translated [2023-12-02 18:43:49,167 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short53 could not be translated [2023-12-02 18:43:49,167 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem56 could not be translated [2023-12-02 18:43:49,167 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem60 could not be translated [2023-12-02 18:43:49,168 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem59 could not be translated [2023-12-02 18:43:49,168 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short58 could not be translated [2023-12-02 18:43:49,168 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short61 could not be translated [2023-12-02 18:43:49,168 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short62 could not be translated [2023-12-02 18:43:49,168 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem57 could not be translated [2023-12-02 18:43:49,169 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem57 could not be translated [2023-12-02 18:43:49,169 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem60 could not be translated [2023-12-02 18:43:49,169 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short61 could not be translated [2023-12-02 18:43:49,170 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short58 could not be translated [2023-12-02 18:43:49,170 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem56 could not be translated [2023-12-02 18:43:49,170 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short62 could not be translated [2023-12-02 18:43:49,170 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem59 could not be translated [2023-12-02 18:43:49,171 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem68 could not be translated [2023-12-02 18:43:49,171 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short70 could not be translated [2023-12-02 18:43:49,171 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem67 could not be translated [2023-12-02 18:43:49,171 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem65 could not be translated [2023-12-02 18:43:49,172 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short69 could not be translated [2023-12-02 18:43:49,172 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem64 could not be translated [2023-12-02 18:43:49,172 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short66 could not be translated [2023-12-02 18:43:49,173 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short69 could not be translated [2023-12-02 18:43:49,173 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem67 could not be translated [2023-12-02 18:43:49,173 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short66 could not be translated [2023-12-02 18:43:49,173 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem64 could not be translated [2023-12-02 18:43:49,174 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short70 could not be translated [2023-12-02 18:43:49,174 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem68 could not be translated [2023-12-02 18:43:49,174 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem65 could not be translated [2023-12-02 18:43:49,174 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem75 could not be translated [2023-12-02 18:43:49,175 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short74 could not be translated [2023-12-02 18:43:49,175 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short77 could not be translated [2023-12-02 18:43:49,175 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short78 could not be translated [2023-12-02 18:43:49,175 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem76 could not be translated [2023-12-02 18:43:49,175 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem72 could not be translated [2023-12-02 18:43:49,176 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem73 could not be translated [2023-12-02 18:43:49,176 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short77 could not be translated [2023-12-02 18:43:49,176 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem73 could not be translated [2023-12-02 18:43:49,177 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem76 could not be translated [2023-12-02 18:43:49,177 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short78 could not be translated [2023-12-02 18:43:49,177 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short74 could not be translated [2023-12-02 18:43:49,177 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem72 could not be translated [2023-12-02 18:43:49,177 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem75 could not be translated [2023-12-02 18:43:49,178 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem80 could not be translated [2023-12-02 18:43:49,178 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem80 could not be translated [2023-12-02 18:43:49,179 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem81 could not be translated [2023-12-02 18:43:49,179 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem81 could not be translated [2023-12-02 18:43:49,180 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem83 could not be translated [2023-12-02 18:43:49,197 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem83 could not be translated [2023-12-02 18:43:49,197 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem84 could not be translated [2023-12-02 18:43:49,198 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem84 could not be translated [2023-12-02 18:43:49,198 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem86 could not be translated [2023-12-02 18:43:49,199 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem86 could not be translated [2023-12-02 18:43:49,199 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem87 could not be translated [2023-12-02 18:43:49,199 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem87 could not be translated [2023-12-02 18:43:49,200 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem89 could not be translated [2023-12-02 18:43:49,200 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem89 could not be translated [2023-12-02 18:43:49,200 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem90 could not be translated [2023-12-02 18:43:49,201 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem90 could not be translated [2023-12-02 18:43:49,222 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.12 06:43:49 BoogieIcfgContainer [2023-12-02 18:43:49,222 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-12-02 18:43:49,223 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-12-02 18:43:49,223 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-12-02 18:43:49,223 INFO L274 PluginConnector]: Witness Printer initialized [2023-12-02 18:43:49,224 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 06:43:31" (3/4) ... [2023-12-02 18:43:49,226 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-12-02 18:43:49,227 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-12-02 18:43:49,228 INFO L158 Benchmark]: Toolchain (without parser) took 19383.61ms. Allocated memory is still 199.2MB. Free memory was 155.4MB in the beginning and 158.5MB in the end (delta: -3.1MB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 18:43:49,228 INFO L158 Benchmark]: CDTParser took 0.23ms. Allocated memory is still 121.6MB. Free memory is still 66.9MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 18:43:49,229 INFO L158 Benchmark]: CACSL2BoogieTranslator took 315.01ms. Allocated memory is still 199.2MB. Free memory was 155.0MB in the beginning and 137.8MB in the end (delta: 17.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-12-02 18:43:49,230 INFO L158 Benchmark]: Boogie Procedure Inliner took 66.74ms. Allocated memory is still 199.2MB. Free memory was 137.8MB in the beginning and 133.6MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-12-02 18:43:49,230 INFO L158 Benchmark]: Boogie Preprocessor took 59.63ms. Allocated memory is still 199.2MB. Free memory was 133.6MB in the beginning and 130.3MB in the end (delta: 3.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-12-02 18:43:49,231 INFO L158 Benchmark]: RCFGBuilder took 1240.96ms. Allocated memory is still 199.2MB. Free memory was 130.3MB in the beginning and 137.0MB in the end (delta: -6.7MB). Peak memory consumption was 45.0MB. Max. memory is 16.1GB. [2023-12-02 18:43:49,232 INFO L158 Benchmark]: TraceAbstraction took 17689.51ms. Allocated memory is still 199.2MB. Free memory was 137.0MB in the beginning and 159.6MB in the end (delta: -22.6MB). Peak memory consumption was 83.3MB. Max. memory is 16.1GB. [2023-12-02 18:43:49,232 INFO L158 Benchmark]: Witness Printer took 4.24ms. Allocated memory is still 199.2MB. Free memory was 159.6MB in the beginning and 158.5MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-02 18:43:49,235 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23ms. Allocated memory is still 121.6MB. Free memory is still 66.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 315.01ms. Allocated memory is still 199.2MB. Free memory was 155.0MB in the beginning and 137.8MB in the end (delta: 17.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 66.74ms. Allocated memory is still 199.2MB. Free memory was 137.8MB in the beginning and 133.6MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 59.63ms. Allocated memory is still 199.2MB. Free memory was 133.6MB in the beginning and 130.3MB in the end (delta: 3.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 1240.96ms. Allocated memory is still 199.2MB. Free memory was 130.3MB in the beginning and 137.0MB in the end (delta: -6.7MB). Peak memory consumption was 45.0MB. Max. memory is 16.1GB. * TraceAbstraction took 17689.51ms. Allocated memory is still 199.2MB. Free memory was 137.0MB in the beginning and 159.6MB in the end (delta: -22.6MB). Peak memory consumption was 83.3MB. Max. memory is 16.1GB. * Witness Printer took 4.24ms. Allocated memory is still 199.2MB. Free memory was 159.6MB in the beginning and 158.5MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem38 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem38 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem39 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem39 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem40 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem40 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem42 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem42 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem43 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem43 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem45 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem45 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem46 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem46 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short50 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem49 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short53 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short54 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem48 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem52 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem51 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short54 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem49 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem48 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short50 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem52 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem51 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short53 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem56 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem60 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem59 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short58 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short61 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short62 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem57 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem57 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem60 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short61 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short58 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem56 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short62 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem59 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem68 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short70 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem67 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem65 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short69 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem64 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short66 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short69 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem67 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short66 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem64 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short70 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem68 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem65 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem75 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short74 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short77 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short78 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem76 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem72 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem73 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short77 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem73 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem76 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short78 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short74 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem72 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem75 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem80 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem80 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem81 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem81 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem83 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem83 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem84 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem84 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem86 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem86 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem87 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem87 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem89 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem89 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem90 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem90 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 someBinaryDOUBLEComparisonOperation at line 66. Possible FailurePath: [L40] unsigned char isInitial = 0; [L41-L58] struct WrapperStruct00 WrapperStruct00 = { 0, 32, 10, 4, 2, 0.0, 64.2, 0.0, 0.25, 36833, 0, 0, 0, -32, 50, 2655070710 }; [L59] unsigned char last_1_WrapperStruct00_var_1_14 = 0; [L60] signed long int last_1_WrapperStruct00_var_1_18 = -32; [L61] unsigned long int last_1_WrapperStruct00_var_1_20 = 50; [L131] isInitial = 1 [L132] FCALL initially() [L133] COND TRUE 1 [L134] CALL updateLastVariables() [L122] EXPR WrapperStruct00.var_1_14 [L122] last_1_WrapperStruct00_var_1_14 = WrapperStruct00.var_1_14 [L123] EXPR WrapperStruct00.var_1_18 [L123] last_1_WrapperStruct00_var_1_18 = WrapperStruct00.var_1_18 [L124] EXPR WrapperStruct00.var_1_20 [L124] last_1_WrapperStruct00_var_1_20 = WrapperStruct00.var_1_20 [L134] RET updateLastVariables() [L135] CALL updateVariables() [L90] WrapperStruct00.var_1_4 = __VERIFIER_nondet_ushort() [L91] EXPR WrapperStruct00.var_1_4 VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_14=0, last_1_WrapperStruct00_var_1_18=-32, last_1_WrapperStruct00_var_1_20=50] [L91] CALL assume_abort_if_not(WrapperStruct00.var_1_4 >= 0) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_14=0, last_1_WrapperStruct00_var_1_18=-32, last_1_WrapperStruct00_var_1_20=50] [L20] COND FALSE !(!cond) [L91] RET assume_abort_if_not(WrapperStruct00.var_1_4 >= 0) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_14=0, last_1_WrapperStruct00_var_1_18=-32, last_1_WrapperStruct00_var_1_20=50] [L92] EXPR WrapperStruct00.var_1_4 VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_14=0, last_1_WrapperStruct00_var_1_18=-32, last_1_WrapperStruct00_var_1_20=50] [L92] CALL assume_abort_if_not(WrapperStruct00.var_1_4 <= 65535) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_14=0, last_1_WrapperStruct00_var_1_18=-32, last_1_WrapperStruct00_var_1_20=50] [L20] COND FALSE !(!cond) [L92] RET assume_abort_if_not(WrapperStruct00.var_1_4 <= 65535) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_14=0, last_1_WrapperStruct00_var_1_18=-32, last_1_WrapperStruct00_var_1_20=50] [L93] EXPR WrapperStruct00.var_1_4 VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_14=0, last_1_WrapperStruct00_var_1_18=-32, last_1_WrapperStruct00_var_1_20=50] [L93] CALL assume_abort_if_not(WrapperStruct00.var_1_4 != 0) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_14=0, last_1_WrapperStruct00_var_1_18=-32, last_1_WrapperStruct00_var_1_20=50] [L20] COND FALSE !(!cond) [L93] RET assume_abort_if_not(WrapperStruct00.var_1_4 != 0) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_14=0, last_1_WrapperStruct00_var_1_18=-32, last_1_WrapperStruct00_var_1_20=50] [L94] WrapperStruct00.var_1_7 = __VERIFIER_nondet_long() [L95] EXPR WrapperStruct00.var_1_7 VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_14=0, last_1_WrapperStruct00_var_1_18=-32, last_1_WrapperStruct00_var_1_20=50] [L95] CALL assume_abort_if_not(WrapperStruct00.var_1_7 >= 0) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_14=0, last_1_WrapperStruct00_var_1_18=-32, last_1_WrapperStruct00_var_1_20=50] [L20] COND FALSE !(!cond) [L95] RET assume_abort_if_not(WrapperStruct00.var_1_7 >= 0) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_14=0, last_1_WrapperStruct00_var_1_18=-32, last_1_WrapperStruct00_var_1_20=50] [L96] EXPR WrapperStruct00.var_1_7 VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_14=0, last_1_WrapperStruct00_var_1_18=-32, last_1_WrapperStruct00_var_1_20=50] [L96] CALL assume_abort_if_not(WrapperStruct00.var_1_7 <= 17) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_14=0, last_1_WrapperStruct00_var_1_18=-32, last_1_WrapperStruct00_var_1_20=50] [L20] COND FALSE !(!cond) [L96] RET assume_abort_if_not(WrapperStruct00.var_1_7 <= 17) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_14=0, last_1_WrapperStruct00_var_1_18=-32, last_1_WrapperStruct00_var_1_20=50] [L97] WrapperStruct00.var_1_8 = __VERIFIER_nondet_long() [L98] EXPR WrapperStruct00.var_1_8 VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_14=0, last_1_WrapperStruct00_var_1_18=-32, last_1_WrapperStruct00_var_1_20=50] [L98] CALL assume_abort_if_not(WrapperStruct00.var_1_8 >= 0) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_14=0, last_1_WrapperStruct00_var_1_18=-32, last_1_WrapperStruct00_var_1_20=50] [L20] COND FALSE !(!cond) [L98] RET assume_abort_if_not(WrapperStruct00.var_1_8 >= 0) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_14=0, last_1_WrapperStruct00_var_1_18=-32, last_1_WrapperStruct00_var_1_20=50] [L99] EXPR WrapperStruct00.var_1_8 VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_14=0, last_1_WrapperStruct00_var_1_18=-32, last_1_WrapperStruct00_var_1_20=50] [L99] CALL assume_abort_if_not(WrapperStruct00.var_1_8 <= 16) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_14=0, last_1_WrapperStruct00_var_1_18=-32, last_1_WrapperStruct00_var_1_20=50] [L20] COND FALSE !(!cond) [L99] RET assume_abort_if_not(WrapperStruct00.var_1_8 <= 16) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_14=0, last_1_WrapperStruct00_var_1_18=-32, last_1_WrapperStruct00_var_1_20=50] [L100] WrapperStruct00.var_1_9 = __VERIFIER_nondet_double() [L101] EXPR WrapperStruct00.var_1_9 [L101] EXPR WrapperStruct00.var_1_9 >= 4611686.018427387900e+12F && WrapperStruct00.var_1_9 <= -1.0e-20F [L101] EXPR WrapperStruct00.var_1_9 [L101] EXPR WrapperStruct00.var_1_9 >= 4611686.018427387900e+12F && WrapperStruct00.var_1_9 <= -1.0e-20F [L101] EXPR (WrapperStruct00.var_1_9 >= 4611686.018427387900e+12F && WrapperStruct00.var_1_9 <= -1.0e-20F) || (WrapperStruct00.var_1_9 <= 9223372.036854776000e+12F && WrapperStruct00.var_1_9 >= 1.0e-20F ) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_14=0, last_1_WrapperStruct00_var_1_18=-32, last_1_WrapperStruct00_var_1_20=50] [L101] CALL assume_abort_if_not((WrapperStruct00.var_1_9 >= 4611686.018427387900e+12F && WrapperStruct00.var_1_9 <= -1.0e-20F) || (WrapperStruct00.var_1_9 <= 9223372.036854776000e+12F && WrapperStruct00.var_1_9 >= 1.0e-20F )) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_14=0, last_1_WrapperStruct00_var_1_18=-32, last_1_WrapperStruct00_var_1_20=50] [L20] COND FALSE !(!cond) [L101] RET assume_abort_if_not((WrapperStruct00.var_1_9 >= 4611686.018427387900e+12F && WrapperStruct00.var_1_9 <= -1.0e-20F) || (WrapperStruct00.var_1_9 <= 9223372.036854776000e+12F && WrapperStruct00.var_1_9 >= 1.0e-20F )) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_14=0, last_1_WrapperStruct00_var_1_18=-32, last_1_WrapperStruct00_var_1_20=50] [L102] WrapperStruct00.var_1_10 = __VERIFIER_nondet_double() [L103] EXPR WrapperStruct00.var_1_10 [L103] EXPR WrapperStruct00.var_1_10 >= 0.0F && WrapperStruct00.var_1_10 <= -1.0e-20F [L103] EXPR WrapperStruct00.var_1_10 [L103] EXPR WrapperStruct00.var_1_10 >= 0.0F && WrapperStruct00.var_1_10 <= -1.0e-20F [L103] EXPR (WrapperStruct00.var_1_10 >= 0.0F && WrapperStruct00.var_1_10 <= -1.0e-20F) || (WrapperStruct00.var_1_10 <= 4611686.018427387900e+12F && WrapperStruct00.var_1_10 >= 1.0e-20F ) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_14=0, last_1_WrapperStruct00_var_1_18=-32, last_1_WrapperStruct00_var_1_20=50] [L103] CALL assume_abort_if_not((WrapperStruct00.var_1_10 >= 0.0F && WrapperStruct00.var_1_10 <= -1.0e-20F) || (WrapperStruct00.var_1_10 <= 4611686.018427387900e+12F && WrapperStruct00.var_1_10 >= 1.0e-20F )) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_14=0, last_1_WrapperStruct00_var_1_18=-32, last_1_WrapperStruct00_var_1_20=50] [L20] COND FALSE !(!cond) [L103] RET assume_abort_if_not((WrapperStruct00.var_1_10 >= 0.0F && WrapperStruct00.var_1_10 <= -1.0e-20F) || (WrapperStruct00.var_1_10 <= 4611686.018427387900e+12F && WrapperStruct00.var_1_10 >= 1.0e-20F )) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_14=0, last_1_WrapperStruct00_var_1_18=-32, last_1_WrapperStruct00_var_1_20=50] [L104] WrapperStruct00.var_1_11 = __VERIFIER_nondet_double() [L105] EXPR WrapperStruct00.var_1_11 [L105] EXPR WrapperStruct00.var_1_11 >= 0.0F && WrapperStruct00.var_1_11 <= -1.0e-20F [L105] EXPR WrapperStruct00.var_1_11 [L105] EXPR WrapperStruct00.var_1_11 >= 0.0F && WrapperStruct00.var_1_11 <= -1.0e-20F [L105] EXPR (WrapperStruct00.var_1_11 >= 0.0F && WrapperStruct00.var_1_11 <= -1.0e-20F) || (WrapperStruct00.var_1_11 <= 9223372.036854776000e+12F && WrapperStruct00.var_1_11 >= 1.0e-20F ) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_14=0, last_1_WrapperStruct00_var_1_18=-32, last_1_WrapperStruct00_var_1_20=50] [L105] CALL assume_abort_if_not((WrapperStruct00.var_1_11 >= 0.0F && WrapperStruct00.var_1_11 <= -1.0e-20F) || (WrapperStruct00.var_1_11 <= 9223372.036854776000e+12F && WrapperStruct00.var_1_11 >= 1.0e-20F )) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_14=0, last_1_WrapperStruct00_var_1_18=-32, last_1_WrapperStruct00_var_1_20=50] [L20] COND FALSE !(!cond) [L105] RET assume_abort_if_not((WrapperStruct00.var_1_11 >= 0.0F && WrapperStruct00.var_1_11 <= -1.0e-20F) || (WrapperStruct00.var_1_11 <= 9223372.036854776000e+12F && WrapperStruct00.var_1_11 >= 1.0e-20F )) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_14=0, last_1_WrapperStruct00_var_1_18=-32, last_1_WrapperStruct00_var_1_20=50] [L106] WrapperStruct00.var_1_12 = __VERIFIER_nondet_double() [L107] EXPR WrapperStruct00.var_1_12 [L107] EXPR WrapperStruct00.var_1_12 >= -922337.2036854776000e+13F && WrapperStruct00.var_1_12 <= -1.0e-20F [L107] EXPR (WrapperStruct00.var_1_12 >= -922337.2036854776000e+13F && WrapperStruct00.var_1_12 <= -1.0e-20F) || (WrapperStruct00.var_1_12 <= 9223372.036854776000e+12F && WrapperStruct00.var_1_12 >= 1.0e-20F ) [L107] EXPR WrapperStruct00.var_1_12 [L107] EXPR WrapperStruct00.var_1_12 <= 9223372.036854776000e+12F && WrapperStruct00.var_1_12 >= 1.0e-20F [L107] EXPR WrapperStruct00.var_1_12 [L107] EXPR WrapperStruct00.var_1_12 <= 9223372.036854776000e+12F && WrapperStruct00.var_1_12 >= 1.0e-20F [L107] EXPR (WrapperStruct00.var_1_12 >= -922337.2036854776000e+13F && WrapperStruct00.var_1_12 <= -1.0e-20F) || (WrapperStruct00.var_1_12 <= 9223372.036854776000e+12F && WrapperStruct00.var_1_12 >= 1.0e-20F ) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_14=0, last_1_WrapperStruct00_var_1_18=-32, last_1_WrapperStruct00_var_1_20=50] [L107] CALL assume_abort_if_not((WrapperStruct00.var_1_12 >= -922337.2036854776000e+13F && WrapperStruct00.var_1_12 <= -1.0e-20F) || (WrapperStruct00.var_1_12 <= 9223372.036854776000e+12F && WrapperStruct00.var_1_12 >= 1.0e-20F )) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_14=0, last_1_WrapperStruct00_var_1_18=-32, last_1_WrapperStruct00_var_1_20=50] [L20] COND FALSE !(!cond) [L107] RET assume_abort_if_not((WrapperStruct00.var_1_12 >= -922337.2036854776000e+13F && WrapperStruct00.var_1_12 <= -1.0e-20F) || (WrapperStruct00.var_1_12 <= 9223372.036854776000e+12F && WrapperStruct00.var_1_12 >= 1.0e-20F )) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_14=0, last_1_WrapperStruct00_var_1_18=-32, last_1_WrapperStruct00_var_1_20=50] [L108] WrapperStruct00.var_1_13 = __VERIFIER_nondet_ushort() [L109] EXPR WrapperStruct00.var_1_13 VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_14=0, last_1_WrapperStruct00_var_1_18=-32, last_1_WrapperStruct00_var_1_20=50] [L109] CALL assume_abort_if_not(WrapperStruct00.var_1_13 >= 32767) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_14=0, last_1_WrapperStruct00_var_1_18=-32, last_1_WrapperStruct00_var_1_20=50] [L20] COND FALSE !(!cond) [L109] RET assume_abort_if_not(WrapperStruct00.var_1_13 >= 32767) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_14=0, last_1_WrapperStruct00_var_1_18=-32, last_1_WrapperStruct00_var_1_20=50] [L110] EXPR WrapperStruct00.var_1_13 VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_14=0, last_1_WrapperStruct00_var_1_18=-32, last_1_WrapperStruct00_var_1_20=50] [L110] CALL assume_abort_if_not(WrapperStruct00.var_1_13 <= 65534) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_14=0, last_1_WrapperStruct00_var_1_18=-32, last_1_WrapperStruct00_var_1_20=50] [L20] COND FALSE !(!cond) [L110] RET assume_abort_if_not(WrapperStruct00.var_1_13 <= 65534) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_14=0, last_1_WrapperStruct00_var_1_18=-32, last_1_WrapperStruct00_var_1_20=50] [L111] WrapperStruct00.var_1_16 = __VERIFIER_nondet_uchar() [L112] EXPR WrapperStruct00.var_1_16 VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_14=0, last_1_WrapperStruct00_var_1_18=-32, last_1_WrapperStruct00_var_1_20=50] [L112] CALL assume_abort_if_not(WrapperStruct00.var_1_16 >= 1) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_14=0, last_1_WrapperStruct00_var_1_18=-32, last_1_WrapperStruct00_var_1_20=50] [L20] COND FALSE !(!cond) [L112] RET assume_abort_if_not(WrapperStruct00.var_1_16 >= 1) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_14=0, last_1_WrapperStruct00_var_1_18=-32, last_1_WrapperStruct00_var_1_20=50] [L113] EXPR WrapperStruct00.var_1_16 VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_14=0, last_1_WrapperStruct00_var_1_18=-32, last_1_WrapperStruct00_var_1_20=50] [L113] CALL assume_abort_if_not(WrapperStruct00.var_1_16 <= 1) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_14=0, last_1_WrapperStruct00_var_1_18=-32, last_1_WrapperStruct00_var_1_20=50] [L20] COND FALSE !(!cond) [L113] RET assume_abort_if_not(WrapperStruct00.var_1_16 <= 1) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_14=0, last_1_WrapperStruct00_var_1_18=-32, last_1_WrapperStruct00_var_1_20=50] [L114] WrapperStruct00.var_1_17 = __VERIFIER_nondet_uchar() [L115] EXPR WrapperStruct00.var_1_17 VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_14=0, last_1_WrapperStruct00_var_1_18=-32, last_1_WrapperStruct00_var_1_20=50] [L115] CALL assume_abort_if_not(WrapperStruct00.var_1_17 >= 1) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_14=0, last_1_WrapperStruct00_var_1_18=-32, last_1_WrapperStruct00_var_1_20=50] [L20] COND FALSE !(!cond) [L115] RET assume_abort_if_not(WrapperStruct00.var_1_17 >= 1) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_14=0, last_1_WrapperStruct00_var_1_18=-32, last_1_WrapperStruct00_var_1_20=50] [L116] EXPR WrapperStruct00.var_1_17 VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_14=0, last_1_WrapperStruct00_var_1_18=-32, last_1_WrapperStruct00_var_1_20=50] [L116] CALL assume_abort_if_not(WrapperStruct00.var_1_17 <= 1) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_14=0, last_1_WrapperStruct00_var_1_18=-32, last_1_WrapperStruct00_var_1_20=50] [L20] COND FALSE !(!cond) [L116] RET assume_abort_if_not(WrapperStruct00.var_1_17 <= 1) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_14=0, last_1_WrapperStruct00_var_1_18=-32, last_1_WrapperStruct00_var_1_20=50] [L117] WrapperStruct00.var_1_21 = __VERIFIER_nondet_ulong() [L118] EXPR WrapperStruct00.var_1_21 VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_14=0, last_1_WrapperStruct00_var_1_18=-32, last_1_WrapperStruct00_var_1_20=50] [L118] CALL assume_abort_if_not(WrapperStruct00.var_1_21 >= 2147483647) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_14=0, last_1_WrapperStruct00_var_1_18=-32, last_1_WrapperStruct00_var_1_20=50] [L20] COND FALSE !(!cond) [L118] RET assume_abort_if_not(WrapperStruct00.var_1_21 >= 2147483647) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_14=0, last_1_WrapperStruct00_var_1_18=-32, last_1_WrapperStruct00_var_1_20=50] [L119] EXPR WrapperStruct00.var_1_21 VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_14=0, last_1_WrapperStruct00_var_1_18=-32, last_1_WrapperStruct00_var_1_20=50] [L119] CALL assume_abort_if_not(WrapperStruct00.var_1_21 <= 4294967294) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_14=0, last_1_WrapperStruct00_var_1_18=-32, last_1_WrapperStruct00_var_1_20=50] [L20] COND FALSE !(!cond) [L119] RET assume_abort_if_not(WrapperStruct00.var_1_21 <= 4294967294) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_14=0, last_1_WrapperStruct00_var_1_18=-32, last_1_WrapperStruct00_var_1_20=50] [L135] RET updateVariables() [L136] CALL step() [L65] EXPR WrapperStruct00.var_1_4 [L65] COND TRUE (WrapperStruct00.var_1_4 - last_1_WrapperStruct00_var_1_20) == last_1_WrapperStruct00_var_1_18 [L66] EXPR WrapperStruct00.var_1_9 [L66] EXPR WrapperStruct00.var_1_10 [L66] EXPR WrapperStruct00.var_1_11 [L66] EXPR WrapperStruct00.var_1_12 [L66] COND FALSE !(((WrapperStruct00.var_1_9 - WrapperStruct00.var_1_10) - WrapperStruct00.var_1_11) > WrapperStruct00.var_1_12) [L72] EXPR WrapperStruct00.var_1_13 [L72] EXPR WrapperStruct00.var_1_6 [L72] COND TRUE WrapperStruct00.var_1_13 > WrapperStruct00.var_1_6 [L73] EXPR WrapperStruct00.var_1_6 [L73] EXPR WrapperStruct00.var_1_13 [L73] EXPR ((WrapperStruct00.var_1_6) < (WrapperStruct00.var_1_13)) ? (WrapperStruct00.var_1_6) : (WrapperStruct00.var_1_13) [L73] EXPR WrapperStruct00.var_1_6 [L73] EXPR ((WrapperStruct00.var_1_6) < (WrapperStruct00.var_1_13)) ? (WrapperStruct00.var_1_6) : (WrapperStruct00.var_1_13) [L73] EXPR WrapperStruct00.var_1_6 [L73] WrapperStruct00.var_1_18 = (((((WrapperStruct00.var_1_6) < (WrapperStruct00.var_1_13)) ? (WrapperStruct00.var_1_6) : (WrapperStruct00.var_1_13))) - WrapperStruct00.var_1_6) [L75] COND FALSE !(\read(last_1_WrapperStruct00_var_1_14)) [L78] EXPR WrapperStruct00.var_1_21 [L78] EXPR WrapperStruct00.var_1_7 [L78] EXPR ((((((last_1_WrapperStruct00_var_1_20) < 0 ) ? -(last_1_WrapperStruct00_var_1_20) : (last_1_WrapperStruct00_var_1_20)))) < ((WrapperStruct00.var_1_21 - WrapperStruct00.var_1_7))) ? (((((last_1_WrapperStruct00_var_1_20) < 0 ) ? -(last_1_WrapperStruct00_var_1_20) : (last_1_WrapperStruct00_var_1_20)))) : ((WrapperStruct00.var_1_21 - WrapperStruct00.var_1_7)) [L78] WrapperStruct00.var_1_20 = ((((((((last_1_WrapperStruct00_var_1_20) < 0 ) ? -(last_1_WrapperStruct00_var_1_20) : (last_1_WrapperStruct00_var_1_20)))) < ((WrapperStruct00.var_1_21 - WrapperStruct00.var_1_7))) ? (((((last_1_WrapperStruct00_var_1_20) < 0 ) ? -(last_1_WrapperStruct00_var_1_20) : (last_1_WrapperStruct00_var_1_20)))) : ((WrapperStruct00.var_1_21 - WrapperStruct00.var_1_7)))) [L79] EXPR WrapperStruct00.var_1_20 [L79] unsigned long int stepLocal_1 = WrapperStruct00.var_1_20; [L80] EXPR WrapperStruct00.var_1_20 [L80] unsigned long int stepLocal_0 = WrapperStruct00.var_1_20; [L81] EXPR WrapperStruct00.var_1_18 [L81] EXPR WrapperStruct00.var_1_18 [L81] EXPR ((WrapperStruct00.var_1_18) > (WrapperStruct00.var_1_18)) ? (WrapperStruct00.var_1_18) : (WrapperStruct00.var_1_18) [L81] EXPR WrapperStruct00.var_1_18 [L81] EXPR ((WrapperStruct00.var_1_18) > (WrapperStruct00.var_1_18)) ? (WrapperStruct00.var_1_18) : (WrapperStruct00.var_1_18) [L81] EXPR WrapperStruct00.var_1_4 [L81] COND FALSE !((((((WrapperStruct00.var_1_18) > (WrapperStruct00.var_1_18)) ? (WrapperStruct00.var_1_18) : (WrapperStruct00.var_1_18))) / WrapperStruct00.var_1_4) > stepLocal_1) [L136] RET step() [L137] CALL, EXPR property() [L127] EXPR WrapperStruct00.var_1_18 [L127] EXPR WrapperStruct00.var_1_18 [L127] EXPR ((WrapperStruct00.var_1_18) > (WrapperStruct00.var_1_18)) ? (WrapperStruct00.var_1_18) : (WrapperStruct00.var_1_18) [L127] EXPR WrapperStruct00.var_1_18 [L127] EXPR ((WrapperStruct00.var_1_18) > (WrapperStruct00.var_1_18)) ? (WrapperStruct00.var_1_18) : (WrapperStruct00.var_1_18) [L127] EXPR WrapperStruct00.var_1_4 [L127] EXPR WrapperStruct00.var_1_20 [L127] EXPR ((((((WrapperStruct00.var_1_18) > (WrapperStruct00.var_1_18)) ? (WrapperStruct00.var_1_18) : (WrapperStruct00.var_1_18))) / WrapperStruct00.var_1_4) > WrapperStruct00.var_1_20) ? ((WrapperStruct00.var_1_20 == WrapperStruct00.var_1_18) ? (WrapperStruct00.var_1_1 == ((unsigned long int) 1000000000u)) : (WrapperStruct00.var_1_1 == ((unsigned long int) 128u))) : 1 [L127] EXPR (((((((WrapperStruct00.var_1_18) > (WrapperStruct00.var_1_18)) ? (WrapperStruct00.var_1_18) : (WrapperStruct00.var_1_18))) / WrapperStruct00.var_1_4) > WrapperStruct00.var_1_20) ? ((WrapperStruct00.var_1_20 == WrapperStruct00.var_1_18) ? (WrapperStruct00.var_1_1 == ((unsigned long int) 1000000000u)) : (WrapperStruct00.var_1_1 == ((unsigned long int) 128u))) : 1) && (((WrapperStruct00.var_1_4 - last_1_WrapperStruct00_var_1_20) == last_1_WrapperStruct00_var_1_18) ? ((((WrapperStruct00.var_1_9 - WrapperStruct00.var_1_10) - WrapperStruct00.var_1_11) > WrapperStruct00.var_1_12) ? (WrapperStruct00.var_1_6 == ((unsigned short int) (WrapperStruct00.var_1_13 - WrapperStruct00.var_1_8))) : 1) : (WrapperStruct00.var_1_6 == ((unsigned short int) WrapperStruct00.var_1_13))) [L127] EXPR WrapperStruct00.var_1_4 [L127] EXPR ((WrapperStruct00.var_1_4 - last_1_WrapperStruct00_var_1_20) == last_1_WrapperStruct00_var_1_18) ? ((((WrapperStruct00.var_1_9 - WrapperStruct00.var_1_10) - WrapperStruct00.var_1_11) > WrapperStruct00.var_1_12) ? (WrapperStruct00.var_1_6 == ((unsigned short int) (WrapperStruct00.var_1_13 - WrapperStruct00.var_1_8))) : 1) : (WrapperStruct00.var_1_6 == ((unsigned short int) WrapperStruct00.var_1_13)) [L127] EXPR WrapperStruct00.var_1_9 [L127] EXPR WrapperStruct00.var_1_10 [L127] EXPR WrapperStruct00.var_1_11 [L127] EXPR WrapperStruct00.var_1_12 [L127] EXPR (((WrapperStruct00.var_1_9 - WrapperStruct00.var_1_10) - WrapperStruct00.var_1_11) > WrapperStruct00.var_1_12) ? (WrapperStruct00.var_1_6 == ((unsigned short int) (WrapperStruct00.var_1_13 - WrapperStruct00.var_1_8))) : 1 [L127] EXPR WrapperStruct00.var_1_6 [L127] EXPR WrapperStruct00.var_1_13 [L127] EXPR WrapperStruct00.var_1_8 [L127] EXPR (((WrapperStruct00.var_1_9 - WrapperStruct00.var_1_10) - WrapperStruct00.var_1_11) > WrapperStruct00.var_1_12) ? (WrapperStruct00.var_1_6 == ((unsigned short int) (WrapperStruct00.var_1_13 - WrapperStruct00.var_1_8))) : 1 [L127] EXPR ((WrapperStruct00.var_1_4 - last_1_WrapperStruct00_var_1_20) == last_1_WrapperStruct00_var_1_18) ? ((((WrapperStruct00.var_1_9 - WrapperStruct00.var_1_10) - WrapperStruct00.var_1_11) > WrapperStruct00.var_1_12) ? (WrapperStruct00.var_1_6 == ((unsigned short int) (WrapperStruct00.var_1_13 - WrapperStruct00.var_1_8))) : 1) : (WrapperStruct00.var_1_6 == ((unsigned short int) WrapperStruct00.var_1_13)) [L127] EXPR (((((((WrapperStruct00.var_1_18) > (WrapperStruct00.var_1_18)) ? (WrapperStruct00.var_1_18) : (WrapperStruct00.var_1_18))) / WrapperStruct00.var_1_4) > WrapperStruct00.var_1_20) ? ((WrapperStruct00.var_1_20 == WrapperStruct00.var_1_18) ? (WrapperStruct00.var_1_1 == ((unsigned long int) 1000000000u)) : (WrapperStruct00.var_1_1 == ((unsigned long int) 128u))) : 1) && (((WrapperStruct00.var_1_4 - last_1_WrapperStruct00_var_1_20) == last_1_WrapperStruct00_var_1_18) ? ((((WrapperStruct00.var_1_9 - WrapperStruct00.var_1_10) - WrapperStruct00.var_1_11) > WrapperStruct00.var_1_12) ? (WrapperStruct00.var_1_6 == ((unsigned short int) (WrapperStruct00.var_1_13 - WrapperStruct00.var_1_8))) : 1) : (WrapperStruct00.var_1_6 == ((unsigned short int) WrapperStruct00.var_1_13))) [L127] EXPR ((((((((WrapperStruct00.var_1_18) > (WrapperStruct00.var_1_18)) ? (WrapperStruct00.var_1_18) : (WrapperStruct00.var_1_18))) / WrapperStruct00.var_1_4) > WrapperStruct00.var_1_20) ? ((WrapperStruct00.var_1_20 == WrapperStruct00.var_1_18) ? (WrapperStruct00.var_1_1 == ((unsigned long int) 1000000000u)) : (WrapperStruct00.var_1_1 == ((unsigned long int) 128u))) : 1) && (((WrapperStruct00.var_1_4 - last_1_WrapperStruct00_var_1_20) == last_1_WrapperStruct00_var_1_18) ? ((((WrapperStruct00.var_1_9 - WrapperStruct00.var_1_10) - WrapperStruct00.var_1_11) > WrapperStruct00.var_1_12) ? (WrapperStruct00.var_1_6 == ((unsigned short int) (WrapperStruct00.var_1_13 - WrapperStruct00.var_1_8))) : 1) : (WrapperStruct00.var_1_6 == ((unsigned short int) WrapperStruct00.var_1_13)))) && (last_1_WrapperStruct00_var_1_14 ? (WrapperStruct00.var_1_14 == ((unsigned char) (WrapperStruct00.var_1_16 && WrapperStruct00.var_1_17))) : 1) [L127] EXPR (((((((((WrapperStruct00.var_1_18) > (WrapperStruct00.var_1_18)) ? (WrapperStruct00.var_1_18) : (WrapperStruct00.var_1_18))) / WrapperStruct00.var_1_4) > WrapperStruct00.var_1_20) ? ((WrapperStruct00.var_1_20 == WrapperStruct00.var_1_18) ? (WrapperStruct00.var_1_1 == ((unsigned long int) 1000000000u)) : (WrapperStruct00.var_1_1 == ((unsigned long int) 128u))) : 1) && (((WrapperStruct00.var_1_4 - last_1_WrapperStruct00_var_1_20) == last_1_WrapperStruct00_var_1_18) ? ((((WrapperStruct00.var_1_9 - WrapperStruct00.var_1_10) - WrapperStruct00.var_1_11) > WrapperStruct00.var_1_12) ? (WrapperStruct00.var_1_6 == ((unsigned short int) (WrapperStruct00.var_1_13 - WrapperStruct00.var_1_8))) : 1) : (WrapperStruct00.var_1_6 == ((unsigned short int) WrapperStruct00.var_1_13)))) && (last_1_WrapperStruct00_var_1_14 ? (WrapperStruct00.var_1_14 == ((unsigned char) (WrapperStruct00.var_1_16 && WrapperStruct00.var_1_17))) : 1)) && ((WrapperStruct00.var_1_13 > WrapperStruct00.var_1_6) ? (WrapperStruct00.var_1_18 == ((signed long int) (((((WrapperStruct00.var_1_6) < (WrapperStruct00.var_1_13)) ? (WrapperStruct00.var_1_6) : (WrapperStruct00.var_1_13))) - WrapperStruct00.var_1_6))) : 1) [L127] EXPR ((((((((((WrapperStruct00.var_1_18) > (WrapperStruct00.var_1_18)) ? (WrapperStruct00.var_1_18) : (WrapperStruct00.var_1_18))) / WrapperStruct00.var_1_4) > WrapperStruct00.var_1_20) ? ((WrapperStruct00.var_1_20 == WrapperStruct00.var_1_18) ? (WrapperStruct00.var_1_1 == ((unsigned long int) 1000000000u)) : (WrapperStruct00.var_1_1 == ((unsigned long int) 128u))) : 1) && (((WrapperStruct00.var_1_4 - last_1_WrapperStruct00_var_1_20) == last_1_WrapperStruct00_var_1_18) ? ((((WrapperStruct00.var_1_9 - WrapperStruct00.var_1_10) - WrapperStruct00.var_1_11) > WrapperStruct00.var_1_12) ? (WrapperStruct00.var_1_6 == ((unsigned short int) (WrapperStruct00.var_1_13 - WrapperStruct00.var_1_8))) : 1) : (WrapperStruct00.var_1_6 == ((unsigned short int) WrapperStruct00.var_1_13)))) && (last_1_WrapperStruct00_var_1_14 ? (WrapperStruct00.var_1_14 == ((unsigned char) (WrapperStruct00.var_1_16 && WrapperStruct00.var_1_17))) : 1)) && ((WrapperStruct00.var_1_13 > WrapperStruct00.var_1_6) ? (WrapperStruct00.var_1_18 == ((signed long int) (((((WrapperStruct00.var_1_6) < (WrapperStruct00.var_1_13)) ? (WrapperStruct00.var_1_6) : (WrapperStruct00.var_1_13))) - WrapperStruct00.var_1_6))) : 1)) && (WrapperStruct00.var_1_20 == ((unsigned long int) ((((((((last_1_WrapperStruct00_var_1_20) < 0 ) ? -(last_1_WrapperStruct00_var_1_20) : (last_1_WrapperStruct00_var_1_20)))) < ((WrapperStruct00.var_1_21 - WrapperStruct00.var_1_7))) ? (((((last_1_WrapperStruct00_var_1_20) < 0 ) ? -(last_1_WrapperStruct00_var_1_20) : (last_1_WrapperStruct00_var_1_20)))) : ((WrapperStruct00.var_1_21 - WrapperStruct00.var_1_7)))))) [L127-L128] return ((((((((((WrapperStruct00.var_1_18) > (WrapperStruct00.var_1_18)) ? (WrapperStruct00.var_1_18) : (WrapperStruct00.var_1_18))) / WrapperStruct00.var_1_4) > WrapperStruct00.var_1_20) ? ((WrapperStruct00.var_1_20 == WrapperStruct00.var_1_18) ? (WrapperStruct00.var_1_1 == ((unsigned long int) 1000000000u)) : (WrapperStruct00.var_1_1 == ((unsigned long int) 128u))) : 1) && (((WrapperStruct00.var_1_4 - last_1_WrapperStruct00_var_1_20) == last_1_WrapperStruct00_var_1_18) ? ((((WrapperStruct00.var_1_9 - WrapperStruct00.var_1_10) - WrapperStruct00.var_1_11) > WrapperStruct00.var_1_12) ? (WrapperStruct00.var_1_6 == ((unsigned short int) (WrapperStruct00.var_1_13 - WrapperStruct00.var_1_8))) : 1) : (WrapperStruct00.var_1_6 == ((unsigned short int) WrapperStruct00.var_1_13)))) && (last_1_WrapperStruct00_var_1_14 ? (WrapperStruct00.var_1_14 == ((unsigned char) (WrapperStruct00.var_1_16 && WrapperStruct00.var_1_17))) : 1)) && ((WrapperStruct00.var_1_13 > WrapperStruct00.var_1_6) ? (WrapperStruct00.var_1_18 == ((signed long int) (((((WrapperStruct00.var_1_6) < (WrapperStruct00.var_1_13)) ? (WrapperStruct00.var_1_6) : (WrapperStruct00.var_1_13))) - WrapperStruct00.var_1_6))) : 1)) && (WrapperStruct00.var_1_20 == ((unsigned long int) ((((((((last_1_WrapperStruct00_var_1_20) < 0 ) ? -(last_1_WrapperStruct00_var_1_20) : (last_1_WrapperStruct00_var_1_20)))) < ((WrapperStruct00.var_1_21 - WrapperStruct00.var_1_7))) ? (((((last_1_WrapperStruct00_var_1_20) < 0 ) ? -(last_1_WrapperStruct00_var_1_20) : (last_1_WrapperStruct00_var_1_20)))) : ((WrapperStruct00.var_1_21 - WrapperStruct00.var_1_7)))))) ; [L137] RET, EXPR property() [L137] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [WrapperStruct00={4:0}, \old(cond)=0, cond=0, isInitial=1, last_1_WrapperStruct00_var_1_14=0, last_1_WrapperStruct00_var_1_18=-32, last_1_WrapperStruct00_var_1_20=50] [L19] reach_error() VAL [WrapperStruct00={4:0}, \old(cond)=0, cond=0, isInitial=1, last_1_WrapperStruct00_var_1_14=0, last_1_WrapperStruct00_var_1_18=-32, last_1_WrapperStruct00_var_1_20=50] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 47 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 17.5s, OverallIterations: 1, TraceHistogramMax: 19, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=47occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 12.9s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 80 NumberOfCodeBlocks, 80 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-12-02 18:43:49,258 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7680e8c5-c7a9-4a18-aa9d-8b20008de08d/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7680e8c5-c7a9-4a18-aa9d-8b20008de08d/bin/utaipan-verify-nQ1chXbOIh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7680e8c5-c7a9-4a18-aa9d-8b20008de08d/bin/utaipan-verify-nQ1chXbOIh/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7680e8c5-c7a9-4a18-aa9d-8b20008de08d/bin/utaipan-verify-nQ1chXbOIh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7680e8c5-c7a9-4a18-aa9d-8b20008de08d/bin/utaipan-verify-nQ1chXbOIh/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-6.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7680e8c5-c7a9-4a18-aa9d-8b20008de08d/bin/utaipan-verify-nQ1chXbOIh/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7680e8c5-c7a9-4a18-aa9d-8b20008de08d/bin/utaipan-verify-nQ1chXbOIh --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 704df788abd4d158785e676aa1cfa96621053bb5e430ce2d41562957fb66d52d --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 18:43:51,235 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 18:43:51,303 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7680e8c5-c7a9-4a18-aa9d-8b20008de08d/bin/utaipan-verify-nQ1chXbOIh/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2023-12-02 18:43:51,309 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-02 18:43:51,310 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-02 18:43:51,336 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 18:43:51,337 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-02 18:43:51,338 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-02 18:43:51,338 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 18:43:51,339 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-02 18:43:51,339 INFO L153 SettingsManager]: * User list type=DISABLED [2023-12-02 18:43:51,341 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-12-02 18:43:51,341 INFO L153 SettingsManager]: * Explicit value domain=true [2023-12-02 18:43:51,342 INFO L153 SettingsManager]: * Octagon Domain=false [2023-12-02 18:43:51,342 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-12-02 18:43:51,343 INFO L153 SettingsManager]: * Interval Domain=false [2023-12-02 18:43:51,343 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 18:43:51,344 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 18:43:51,344 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-02 18:43:51,345 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-02 18:43:51,345 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 18:43:51,346 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 18:43:51,346 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 18:43:51,347 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 18:43:51,347 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-02 18:43:51,348 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-02 18:43:51,348 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-02 18:43:51,348 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-02 18:43:51,349 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 18:43:51,349 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 18:43:51,350 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 18:43:51,350 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-12-02 18:43:51,351 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-02 18:43:51,351 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-02 18:43:51,351 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 18:43:51,351 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 18:43:51,351 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 18:43:51,352 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 18:43:51,352 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-12-02 18:43:51,352 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-02 18:43:51,352 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-02 18:43:51,353 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 18:43:51,353 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-12-02 18:43:51,353 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-02 18:43:51,353 INFO L153 SettingsManager]: * Logic for external solver=AUFBV WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7680e8c5-c7a9-4a18-aa9d-8b20008de08d/bin/utaipan-verify-nQ1chXbOIh/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7680e8c5-c7a9-4a18-aa9d-8b20008de08d/bin/utaipan-verify-nQ1chXbOIh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 704df788abd4d158785e676aa1cfa96621053bb5e430ce2d41562957fb66d52d [2023-12-02 18:43:51,644 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 18:43:51,660 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 18:43:51,662 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 18:43:51,663 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 18:43:51,663 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 18:43:51,664 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7680e8c5-c7a9-4a18-aa9d-8b20008de08d/bin/utaipan-verify-nQ1chXbOIh/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-6.i [2023-12-02 18:43:54,455 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 18:43:54,672 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 18:43:54,673 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7680e8c5-c7a9-4a18-aa9d-8b20008de08d/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-6.i [2023-12-02 18:43:54,683 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7680e8c5-c7a9-4a18-aa9d-8b20008de08d/bin/utaipan-verify-nQ1chXbOIh/data/7e7e12132/848b6301eebc442ba913f194600de744/FLAG6948bce66 [2023-12-02 18:43:54,696 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7680e8c5-c7a9-4a18-aa9d-8b20008de08d/bin/utaipan-verify-nQ1chXbOIh/data/7e7e12132/848b6301eebc442ba913f194600de744 [2023-12-02 18:43:54,698 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 18:43:54,699 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 18:43:54,700 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 18:43:54,700 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 18:43:54,704 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 18:43:54,704 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 06:43:54" (1/1) ... [2023-12-02 18:43:54,705 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4bacb6a3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:43:54, skipping insertion in model container [2023-12-02 18:43:54,706 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 06:43:54" (1/1) ... [2023-12-02 18:43:54,733 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 18:43:54,882 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_7680e8c5-c7a9-4a18-aa9d-8b20008de08d/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-6.i[915,928] [2023-12-02 18:43:54,937 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 18:43:54,952 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 18:43:54,964 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_7680e8c5-c7a9-4a18-aa9d-8b20008de08d/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-6.i[915,928] [2023-12-02 18:43:55,008 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 18:43:55,035 INFO L206 MainTranslator]: Completed translation [2023-12-02 18:43:55,035 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:43:55 WrapperNode [2023-12-02 18:43:55,035 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 18:43:55,036 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 18:43:55,036 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 18:43:55,037 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 18:43:55,044 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:43:55" (1/1) ... [2023-12-02 18:43:55,064 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:43:55" (1/1) ... [2023-12-02 18:43:55,124 INFO L138 Inliner]: procedures = 36, calls = 166, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 457 [2023-12-02 18:43:55,124 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 18:43:55,125 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 18:43:55,125 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 18:43:55,125 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 18:43:55,141 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:43:55" (1/1) ... [2023-12-02 18:43:55,141 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:43:55" (1/1) ... [2023-12-02 18:43:55,166 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:43:55" (1/1) ... [2023-12-02 18:43:55,166 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:43:55" (1/1) ... [2023-12-02 18:43:55,200 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:43:55" (1/1) ... [2023-12-02 18:43:55,205 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:43:55" (1/1) ... [2023-12-02 18:43:55,210 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:43:55" (1/1) ... [2023-12-02 18:43:55,214 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:43:55" (1/1) ... [2023-12-02 18:43:55,221 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 18:43:55,222 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 18:43:55,222 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 18:43:55,222 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 18:43:55,223 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:43:55" (1/1) ... [2023-12-02 18:43:55,229 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 18:43:55,245 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7680e8c5-c7a9-4a18-aa9d-8b20008de08d/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 18:43:55,256 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7680e8c5-c7a9-4a18-aa9d-8b20008de08d/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-12-02 18:43:55,258 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7680e8c5-c7a9-4a18-aa9d-8b20008de08d/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-12-02 18:43:55,286 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 18:43:55,286 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8 [2023-12-02 18:43:55,286 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8 [2023-12-02 18:43:55,286 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2023-12-02 18:43:55,286 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2 [2023-12-02 18:43:55,286 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-12-02 18:43:55,287 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2023-12-02 18:43:55,287 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8 [2023-12-02 18:43:55,287 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-12-02 18:43:55,287 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2023-12-02 18:43:55,287 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-12-02 18:43:55,287 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-12-02 18:43:55,288 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 18:43:55,288 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 18:43:55,288 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2023-12-02 18:43:55,288 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2023-12-02 18:43:55,288 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-12-02 18:43:55,402 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 18:43:55,404 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 18:43:58,941 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 18:43:58,993 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 18:43:58,993 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-02 18:43:58,994 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 06:43:58 BoogieIcfgContainer [2023-12-02 18:43:58,994 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 18:43:58,996 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-02 18:43:58,996 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-02 18:43:58,999 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-02 18:43:59,000 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 06:43:54" (1/3) ... [2023-12-02 18:43:59,000 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@368b22a2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 06:43:59, skipping insertion in model container [2023-12-02 18:43:59,000 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:43:55" (2/3) ... [2023-12-02 18:43:59,001 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@368b22a2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 06:43:59, skipping insertion in model container [2023-12-02 18:43:59,001 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 06:43:58" (3/3) ... [2023-12-02 18:43:59,002 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_wrapper-s_file-6.i [2023-12-02 18:43:59,021 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-02 18:43:59,021 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-12-02 18:43:59,061 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-02 18:43:59,066 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@3c5fa046, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-02 18:43:59,066 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-12-02 18:43:59,070 INFO L276 IsEmpty]: Start isEmpty. Operand has 115 states, 93 states have (on average 1.4408602150537635) internal successors, (134), 94 states have internal predecessors, (134), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2023-12-02 18:43:59,086 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2023-12-02 18:43:59,087 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 18:43:59,087 INFO L195 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 18:43:59,088 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 18:43:59,093 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 18:43:59,093 INFO L85 PathProgramCache]: Analyzing trace with hash 1691815467, now seen corresponding path program 1 times [2023-12-02 18:43:59,108 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-12-02 18:43:59,108 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1048616964] [2023-12-02 18:43:59,109 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 18:43:59,109 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 [2023-12-02 18:43:59,109 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7680e8c5-c7a9-4a18-aa9d-8b20008de08d/bin/utaipan-verify-nQ1chXbOIh/mathsat [2023-12-02 18:43:59,110 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7680e8c5-c7a9-4a18-aa9d-8b20008de08d/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-02 18:43:59,112 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7680e8c5-c7a9-4a18-aa9d-8b20008de08d/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2023-12-02 18:43:59,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 18:43:59,458 INFO L262 TraceCheckSpWp]: Trace formula consists of 311 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-02 18:43:59,469 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 18:43:59,505 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 324 proven. 0 refuted. 0 times theorem prover too weak. 360 trivial. 0 not checked. [2023-12-02 18:43:59,505 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-02 18:43:59,506 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-12-02 18:43:59,507 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1048616964] [2023-12-02 18:43:59,507 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1048616964] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 18:43:59,507 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 18:43:59,508 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-02 18:43:59,509 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [194467520] [2023-12-02 18:43:59,510 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 18:43:59,515 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-12-02 18:43:59,515 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-12-02 18:43:59,541 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-12-02 18:43:59,541 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-12-02 18:43:59,543 INFO L87 Difference]: Start difference. First operand has 115 states, 93 states have (on average 1.4408602150537635) internal successors, (134), 94 states have internal predecessors, (134), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) Second operand has 2 states, 2 states have (on average 32.5) internal successors, (65), 2 states have internal predecessors, (65), 2 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2023-12-02 18:43:59,593 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 18:43:59,594 INFO L93 Difference]: Finished difference Result 227 states and 361 transitions. [2023-12-02 18:43:59,595 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-02 18:43:59,596 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 32.5) internal successors, (65), 2 states have internal predecessors, (65), 2 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) Word has length 153 [2023-12-02 18:43:59,597 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 18:43:59,605 INFO L225 Difference]: With dead ends: 227 [2023-12-02 18:43:59,605 INFO L226 Difference]: Without dead ends: 113 [2023-12-02 18:43:59,609 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 152 GetRequests, 152 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-12-02 18:43:59,613 INFO L413 NwaCegarLoop]: 163 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, 163 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 [2023-12-02 18:43:59,614 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 163 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-02 18:43:59,629 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 113 states. [2023-12-02 18:43:59,653 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 113 to 113. [2023-12-02 18:43:59,655 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 113 states, 92 states have (on average 1.4021739130434783) internal successors, (129), 92 states have internal predecessors, (129), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2023-12-02 18:43:59,658 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 113 states and 167 transitions. [2023-12-02 18:43:59,659 INFO L78 Accepts]: Start accepts. Automaton has 113 states and 167 transitions. Word has length 153 [2023-12-02 18:43:59,660 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 18:43:59,660 INFO L495 AbstractCegarLoop]: Abstraction has 113 states and 167 transitions. [2023-12-02 18:43:59,660 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 32.5) internal successors, (65), 2 states have internal predecessors, (65), 2 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2023-12-02 18:43:59,661 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 167 transitions. [2023-12-02 18:43:59,673 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2023-12-02 18:43:59,674 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 18:43:59,674 INFO L195 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 18:43:59,683 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7680e8c5-c7a9-4a18-aa9d-8b20008de08d/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2023-12-02 18:43:59,874 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7680e8c5-c7a9-4a18-aa9d-8b20008de08d/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-02 18:43:59,875 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 18:43:59,875 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 18:43:59,876 INFO L85 PathProgramCache]: Analyzing trace with hash 1540379977, now seen corresponding path program 1 times [2023-12-02 18:43:59,876 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-12-02 18:43:59,877 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [808269057] [2023-12-02 18:43:59,877 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 18:43:59,877 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-02 18:43:59,877 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7680e8c5-c7a9-4a18-aa9d-8b20008de08d/bin/utaipan-verify-nQ1chXbOIh/mathsat [2023-12-02 18:43:59,878 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7680e8c5-c7a9-4a18-aa9d-8b20008de08d/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-02 18:43:59,895 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7680e8c5-c7a9-4a18-aa9d-8b20008de08d/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2023-12-02 18:44:00,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 18:44:00,212 INFO L262 TraceCheckSpWp]: Trace formula consists of 311 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 18:44:00,219 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 18:44:00,270 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 352 proven. 0 refuted. 0 times theorem prover too weak. 332 trivial. 0 not checked. [2023-12-02 18:44:00,270 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-02 18:44:00,270 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-12-02 18:44:00,271 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [808269057] [2023-12-02 18:44:00,271 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [808269057] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 18:44:00,271 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 18:44:00,271 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-12-02 18:44:00,271 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [34704741] [2023-12-02 18:44:00,272 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 18:44:00,273 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-02 18:44:00,273 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-12-02 18:44:00,274 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-02 18:44:00,275 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-12-02 18:44:00,275 INFO L87 Difference]: Start difference. First operand 113 states and 167 transitions. Second operand has 4 states, 4 states have (on average 16.0) internal successors, (64), 4 states have internal predecessors, (64), 2 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2023-12-02 18:44:00,405 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 18:44:00,405 INFO L93 Difference]: Finished difference Result 231 states and 342 transitions. [2023-12-02 18:44:00,406 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-12-02 18:44:00,406 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 16.0) internal successors, (64), 4 states have internal predecessors, (64), 2 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) Word has length 153 [2023-12-02 18:44:00,407 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 18:44:00,408 INFO L225 Difference]: With dead ends: 231 [2023-12-02 18:44:00,409 INFO L226 Difference]: Without dead ends: 119 [2023-12-02 18:44:00,410 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 153 GetRequests, 150 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-12-02 18:44:00,412 INFO L413 NwaCegarLoop]: 162 mSDtfsCounter, 10 mSDsluCounter, 316 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 478 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-02 18:44:00,412 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [11 Valid, 478 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-02 18:44:00,414 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 119 states. [2023-12-02 18:44:00,426 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 119 to 115. [2023-12-02 18:44:00,427 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 115 states, 94 states have (on average 1.3936170212765957) internal successors, (131), 94 states have internal predecessors, (131), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2023-12-02 18:44:00,429 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 115 states and 169 transitions. [2023-12-02 18:44:00,429 INFO L78 Accepts]: Start accepts. Automaton has 115 states and 169 transitions. Word has length 153 [2023-12-02 18:44:00,430 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 18:44:00,430 INFO L495 AbstractCegarLoop]: Abstraction has 115 states and 169 transitions. [2023-12-02 18:44:00,430 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 16.0) internal successors, (64), 4 states have internal predecessors, (64), 2 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2023-12-02 18:44:00,430 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 169 transitions. [2023-12-02 18:44:00,433 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2023-12-02 18:44:00,433 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 18:44:00,434 INFO L195 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 18:44:00,443 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7680e8c5-c7a9-4a18-aa9d-8b20008de08d/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Ended with exit code 0 [2023-12-02 18:44:00,639 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7680e8c5-c7a9-4a18-aa9d-8b20008de08d/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-02 18:44:00,639 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 18:44:00,640 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 18:44:00,640 INFO L85 PathProgramCache]: Analyzing trace with hash -357116789, now seen corresponding path program 1 times [2023-12-02 18:44:00,641 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-12-02 18:44:00,641 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1058434393] [2023-12-02 18:44:00,642 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 18:44:00,642 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 [2023-12-02 18:44:00,642 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7680e8c5-c7a9-4a18-aa9d-8b20008de08d/bin/utaipan-verify-nQ1chXbOIh/mathsat [2023-12-02 18:44:00,643 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7680e8c5-c7a9-4a18-aa9d-8b20008de08d/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-02 18:44:00,644 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7680e8c5-c7a9-4a18-aa9d-8b20008de08d/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2023-12-02 18:44:00,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 18:44:00,955 INFO L262 TraceCheckSpWp]: Trace formula consists of 313 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 18:44:00,968 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 18:44:01,005 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2023-12-02 18:44:01,006 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-02 18:44:01,006 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-12-02 18:44:01,006 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1058434393] [2023-12-02 18:44:01,006 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1058434393] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 18:44:01,007 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 18:44:01,007 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-12-02 18:44:01,007 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [739650126] [2023-12-02 18:44:01,007 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 18:44:01,008 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-02 18:44:01,008 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-12-02 18:44:01,009 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-02 18:44:01,009 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-12-02 18:44:01,010 INFO L87 Difference]: Start difference. First operand 115 states and 169 transitions. Second operand has 4 states, 4 states have (on average 15.25) internal successors, (61), 4 states have internal predecessors, (61), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2023-12-02 18:44:01,086 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 18:44:01,086 INFO L93 Difference]: Finished difference Result 252 states and 371 transitions. [2023-12-02 18:44:01,086 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-12-02 18:44:01,087 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 15.25) internal successors, (61), 4 states have internal predecessors, (61), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) Word has length 153 [2023-12-02 18:44:01,088 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 18:44:01,089 INFO L225 Difference]: With dead ends: 252 [2023-12-02 18:44:01,089 INFO L226 Difference]: Without dead ends: 138 [2023-12-02 18:44:01,091 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 153 GetRequests, 150 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-12-02 18:44:01,092 INFO L413 NwaCegarLoop]: 161 mSDtfsCounter, 43 mSDsluCounter, 311 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 43 SdHoareTripleChecker+Valid, 472 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-02 18:44:01,093 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [43 Valid, 472 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-02 18:44:01,094 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 138 states. [2023-12-02 18:44:01,103 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 138 to 117. [2023-12-02 18:44:01,103 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 117 states, 96 states have (on average 1.3854166666666667) internal successors, (133), 96 states have internal predecessors, (133), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2023-12-02 18:44:01,105 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 117 states and 171 transitions. [2023-12-02 18:44:01,105 INFO L78 Accepts]: Start accepts. Automaton has 117 states and 171 transitions. Word has length 153 [2023-12-02 18:44:01,106 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 18:44:01,106 INFO L495 AbstractCegarLoop]: Abstraction has 117 states and 171 transitions. [2023-12-02 18:44:01,106 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 15.25) internal successors, (61), 4 states have internal predecessors, (61), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2023-12-02 18:44:01,106 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 171 transitions. [2023-12-02 18:44:01,109 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2023-12-02 18:44:01,109 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 18:44:01,109 INFO L195 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 18:44:01,120 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7680e8c5-c7a9-4a18-aa9d-8b20008de08d/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Ended with exit code 0 [2023-12-02 18:44:01,315 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7680e8c5-c7a9-4a18-aa9d-8b20008de08d/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-02 18:44:01,315 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 18:44:01,316 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 18:44:01,316 INFO L85 PathProgramCache]: Analyzing trace with hash 189042585, now seen corresponding path program 1 times [2023-12-02 18:44:01,316 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-12-02 18:44:01,317 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [709621570] [2023-12-02 18:44:01,317 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 18:44:01,317 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-02 18:44:01,317 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7680e8c5-c7a9-4a18-aa9d-8b20008de08d/bin/utaipan-verify-nQ1chXbOIh/mathsat [2023-12-02 18:44:01,318 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7680e8c5-c7a9-4a18-aa9d-8b20008de08d/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-02 18:44:01,319 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7680e8c5-c7a9-4a18-aa9d-8b20008de08d/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2023-12-02 18:44:01,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 18:44:01,630 INFO L262 TraceCheckSpWp]: Trace formula consists of 319 conjuncts, 8 conjunts are in the unsatisfiable core [2023-12-02 18:44:01,636 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 18:44:01,921 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-12-02 18:44:01,921 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 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 175 treesize of output 67 [2023-12-02 18:44:01,967 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 336 proven. 0 refuted. 0 times theorem prover too weak. 348 trivial. 0 not checked. [2023-12-02 18:44:01,967 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-02 18:44:01,967 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-12-02 18:44:01,968 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [709621570] [2023-12-02 18:44:01,968 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [709621570] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 18:44:01,968 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 18:44:01,968 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-02 18:44:01,968 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1448498212] [2023-12-02 18:44:01,968 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 18:44:01,969 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-12-02 18:44:01,969 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-12-02 18:44:01,970 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-12-02 18:44:01,970 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2023-12-02 18:44:01,971 INFO L87 Difference]: Start difference. First operand 117 states and 171 transitions. Second operand has 6 states, 6 states have (on average 11.0) internal successors, (66), 5 states have internal predecessors, (66), 2 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2023-12-02 18:44:03,794 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.19s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 18:44:06,495 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 18:44:06,495 INFO L93 Difference]: Finished difference Result 239 states and 350 transitions. [2023-12-02 18:44:06,496 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-12-02 18:44:06,496 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 11.0) internal successors, (66), 5 states have internal predecessors, (66), 2 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) Word has length 155 [2023-12-02 18:44:06,497 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 18:44:06,498 INFO L225 Difference]: With dead ends: 239 [2023-12-02 18:44:06,498 INFO L226 Difference]: Without dead ends: 123 [2023-12-02 18:44:06,499 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 158 GetRequests, 150 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=35, Invalid=55, Unknown=0, NotChecked=0, Total=90 [2023-12-02 18:44:06,500 INFO L413 NwaCegarLoop]: 142 mSDtfsCounter, 155 mSDsluCounter, 326 mSDsCounter, 0 mSdLazyCounter, 192 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 155 SdHoareTripleChecker+Valid, 468 SdHoareTripleChecker+Invalid, 197 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 192 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.4s IncrementalHoareTripleChecker+Time [2023-12-02 18:44:06,501 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [155 Valid, 468 Invalid, 197 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 192 Invalid, 0 Unknown, 0 Unchecked, 4.4s Time] [2023-12-02 18:44:06,502 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 123 states. [2023-12-02 18:44:06,511 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 123 to 117. [2023-12-02 18:44:06,511 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 117 states, 96 states have (on average 1.375) internal successors, (132), 96 states have internal predecessors, (132), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2023-12-02 18:44:06,513 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 117 states and 170 transitions. [2023-12-02 18:44:06,513 INFO L78 Accepts]: Start accepts. Automaton has 117 states and 170 transitions. Word has length 155 [2023-12-02 18:44:06,513 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 18:44:06,513 INFO L495 AbstractCegarLoop]: Abstraction has 117 states and 170 transitions. [2023-12-02 18:44:06,514 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 11.0) internal successors, (66), 5 states have internal predecessors, (66), 2 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2023-12-02 18:44:06,514 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 170 transitions. [2023-12-02 18:44:06,515 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2023-12-02 18:44:06,516 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 18:44:06,516 INFO L195 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 18:44:06,526 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7680e8c5-c7a9-4a18-aa9d-8b20008de08d/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Ended with exit code 0 [2023-12-02 18:44:06,716 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7680e8c5-c7a9-4a18-aa9d-8b20008de08d/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-02 18:44:06,717 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 18:44:06,717 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 18:44:06,717 INFO L85 PathProgramCache]: Analyzing trace with hash 152636447, now seen corresponding path program 1 times [2023-12-02 18:44:06,717 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-12-02 18:44:06,718 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [65521824] [2023-12-02 18:44:06,718 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 18:44:06,718 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-02 18:44:06,718 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7680e8c5-c7a9-4a18-aa9d-8b20008de08d/bin/utaipan-verify-nQ1chXbOIh/mathsat [2023-12-02 18:44:06,719 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7680e8c5-c7a9-4a18-aa9d-8b20008de08d/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-02 18:44:06,720 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7680e8c5-c7a9-4a18-aa9d-8b20008de08d/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2023-12-02 18:44:07,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 18:44:07,050 INFO L262 TraceCheckSpWp]: Trace formula consists of 325 conjuncts, 8 conjunts are in the unsatisfiable core [2023-12-02 18:44:07,054 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 18:44:07,246 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-12-02 18:44:07,247 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 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 173 treesize of output 65 [2023-12-02 18:44:07,281 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 352 proven. 0 refuted. 0 times theorem prover too weak. 332 trivial. 0 not checked. [2023-12-02 18:44:07,282 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-02 18:44:07,282 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-12-02 18:44:07,282 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [65521824] [2023-12-02 18:44:07,282 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [65521824] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 18:44:07,283 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 18:44:07,283 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-02 18:44:07,283 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2138742740] [2023-12-02 18:44:07,283 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 18:44:07,284 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-12-02 18:44:07,284 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-12-02 18:44:07,285 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-12-02 18:44:07,285 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2023-12-02 18:44:07,285 INFO L87 Difference]: Start difference. First operand 117 states and 170 transitions. Second operand has 6 states, 6 states have (on average 11.333333333333334) internal successors, (68), 5 states have internal predecessors, (68), 2 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2023-12-02 18:44:11,216 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 18:44:11,216 INFO L93 Difference]: Finished difference Result 237 states and 345 transitions. [2023-12-02 18:44:11,218 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-12-02 18:44:11,218 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 11.333333333333334) internal successors, (68), 5 states have internal predecessors, (68), 2 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) Word has length 157 [2023-12-02 18:44:11,218 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 18:44:11,219 INFO L225 Difference]: With dead ends: 237 [2023-12-02 18:44:11,220 INFO L226 Difference]: Without dead ends: 121 [2023-12-02 18:44:11,220 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 160 GetRequests, 152 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=35, Invalid=55, Unknown=0, NotChecked=0, Total=90 [2023-12-02 18:44:11,221 INFO L413 NwaCegarLoop]: 138 mSDtfsCounter, 157 mSDsluCounter, 321 mSDsCounter, 0 mSdLazyCounter, 193 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 157 SdHoareTripleChecker+Valid, 459 SdHoareTripleChecker+Invalid, 198 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 193 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.8s IncrementalHoareTripleChecker+Time [2023-12-02 18:44:11,222 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [157 Valid, 459 Invalid, 198 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 193 Invalid, 0 Unknown, 0 Unchecked, 3.8s Time] [2023-12-02 18:44:11,222 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 121 states. [2023-12-02 18:44:11,230 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 121 to 115. [2023-12-02 18:44:11,231 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 115 states, 94 states have (on average 1.372340425531915) internal successors, (129), 94 states have internal predecessors, (129), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2023-12-02 18:44:11,232 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 115 states and 167 transitions. [2023-12-02 18:44:11,232 INFO L78 Accepts]: Start accepts. Automaton has 115 states and 167 transitions. Word has length 157 [2023-12-02 18:44:11,232 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 18:44:11,232 INFO L495 AbstractCegarLoop]: Abstraction has 115 states and 167 transitions. [2023-12-02 18:44:11,233 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 11.333333333333334) internal successors, (68), 5 states have internal predecessors, (68), 2 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2023-12-02 18:44:11,233 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 167 transitions. [2023-12-02 18:44:11,235 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2023-12-02 18:44:11,235 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 18:44:11,235 INFO L195 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 18:44:11,244 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7680e8c5-c7a9-4a18-aa9d-8b20008de08d/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Ended with exit code 0 [2023-12-02 18:44:11,443 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7680e8c5-c7a9-4a18-aa9d-8b20008de08d/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-02 18:44:11,443 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 18:44:11,443 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 18:44:11,444 INFO L85 PathProgramCache]: Analyzing trace with hash 976385559, now seen corresponding path program 1 times [2023-12-02 18:44:11,444 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-12-02 18:44:11,444 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1533155430] [2023-12-02 18:44:11,444 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 18:44:11,444 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-02 18:44:11,444 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7680e8c5-c7a9-4a18-aa9d-8b20008de08d/bin/utaipan-verify-nQ1chXbOIh/mathsat [2023-12-02 18:44:11,445 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7680e8c5-c7a9-4a18-aa9d-8b20008de08d/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-02 18:44:11,446 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7680e8c5-c7a9-4a18-aa9d-8b20008de08d/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2023-12-02 18:44:11,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 18:44:11,750 INFO L262 TraceCheckSpWp]: Trace formula consists of 329 conjuncts, 10 conjunts are in the unsatisfiable core [2023-12-02 18:44:11,754 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 18:44:12,019 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-12-02 18:44:12,020 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 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 172 treesize of output 64 [2023-12-02 18:44:12,107 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 360 proven. 32 refuted. 0 times theorem prover too weak. 292 trivial. 0 not checked. [2023-12-02 18:44:12,107 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 18:44:12,478 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-12-02 18:44:12,479 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 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 110 treesize of output 1 [2023-12-02 18:44:12,498 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 24 proven. 30 refuted. 0 times theorem prover too weak. 630 trivial. 0 not checked. [2023-12-02 18:44:12,498 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-12-02 18:44:12,498 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1533155430] [2023-12-02 18:44:12,498 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1533155430] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-02 18:44:12,498 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1962391671] [2023-12-02 18:44:12,499 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 18:44:12,499 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 18:44:12,499 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7680e8c5-c7a9-4a18-aa9d-8b20008de08d/bin/utaipan-verify-nQ1chXbOIh/cvc4 [2023-12-02 18:44:12,501 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7680e8c5-c7a9-4a18-aa9d-8b20008de08d/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 18:44:12,502 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7680e8c5-c7a9-4a18-aa9d-8b20008de08d/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt (8)] Waiting until timeout for monitored process [2023-12-02 18:44:13,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 18:44:13,533 INFO L262 TraceCheckSpWp]: Trace formula consists of 329 conjuncts, 16 conjunts are in the unsatisfiable core [2023-12-02 18:44:13,537 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 18:44:13,542 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 10 treesize of output 4 [2023-12-02 18:44:13,994 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-12-02 18:44:13,994 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 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 227 treesize of output 83 [2023-12-02 18:44:14,026 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 360 proven. 32 refuted. 0 times theorem prover too weak. 292 trivial. 0 not checked. [2023-12-02 18:44:14,026 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 18:44:15,130 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-12-02 18:44:15,131 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 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 166 treesize of output 1 [2023-12-02 18:44:15,148 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 24 proven. 30 refuted. 0 times theorem prover too weak. 630 trivial. 0 not checked. [2023-12-02 18:44:15,148 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1962391671] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-02 18:44:15,148 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [461319059] [2023-12-02 18:44:15,148 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 18:44:15,149 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 18:44:15,149 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7680e8c5-c7a9-4a18-aa9d-8b20008de08d/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 18:44:15,151 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7680e8c5-c7a9-4a18-aa9d-8b20008de08d/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-02 18:44:15,152 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7680e8c5-c7a9-4a18-aa9d-8b20008de08d/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2023-12-02 18:44:15,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 18:44:15,365 INFO L262 TraceCheckSpWp]: Trace formula consists of 329 conjuncts, 30 conjunts are in the unsatisfiable core [2023-12-02 18:44:15,374 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 18:44:15,477 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 [2023-12-02 18:44:15,788 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-12-02 18:44:15,788 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 41 treesize of output 28 [2023-12-02 18:44:15,933 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-12-02 18:44:15,934 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 41 treesize of output 28 [2023-12-02 18:44:16,091 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-12-02 18:44:16,092 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 28 [2023-12-02 18:44:16,228 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-12-02 18:44:16,229 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 42 treesize of output 48 [2023-12-02 18:44:18,668 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-12-02 18:44:18,669 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 67 treesize of output 64 [2023-12-02 18:44:23,142 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-12-02 18:44:23,142 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 87 [2023-12-02 18:44:29,774 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-12-02 18:44:29,774 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 86 treesize of output 103 [2023-12-02 18:44:30,556 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-12-02 18:44:30,557 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 106 [2023-12-02 18:44:31,120 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-12-02 18:44:31,120 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 106 [2023-12-02 18:44:31,657 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-12-02 18:44:31,658 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 106 [2023-12-02 18:44:32,237 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-12-02 18:44:32,237 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 106 [2023-12-02 18:44:32,496 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-12-02 18:44:32,496 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 106 [2023-12-02 18:44:32,783 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 460 proven. 0 refuted. 0 times theorem prover too weak. 224 trivial. 0 not checked. [2023-12-02 18:44:32,783 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-02 18:44:32,784 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [461319059] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 18:44:32,784 INFO L185 FreeRefinementEngine]: Found 1 perfect and 4 imperfect interpolant sequences. [2023-12-02 18:44:32,784 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [9, 8, 10, 9] total 23 [2023-12-02 18:44:32,784 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1805562000] [2023-12-02 18:44:32,784 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 18:44:32,785 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-12-02 18:44:32,785 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-12-02 18:44:32,785 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-12-02 18:44:32,786 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=83, Invalid=417, Unknown=6, NotChecked=0, Total=506 [2023-12-02 18:44:32,786 INFO L87 Difference]: Start difference. First operand 115 states and 167 transitions. Second operand has 9 states, 9 states have (on average 8.777777777777779) internal successors, (79), 8 states have internal predecessors, (79), 5 states have call successors, (19), 5 states have call predecessors, (19), 5 states have return successors, (19), 5 states have call predecessors, (19), 5 states have call successors, (19) [2023-12-02 18:44:37,857 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 18:44:37,857 INFO L93 Difference]: Finished difference Result 343 states and 499 transitions. [2023-12-02 18:44:37,858 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 18:44:37,858 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 8.777777777777779) internal successors, (79), 8 states have internal predecessors, (79), 5 states have call successors, (19), 5 states have call predecessors, (19), 5 states have return successors, (19), 5 states have call predecessors, (19), 5 states have call successors, (19) Word has length 159 [2023-12-02 18:44:37,858 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 18:44:37,859 INFO L225 Difference]: With dead ends: 343 [2023-12-02 18:44:37,859 INFO L226 Difference]: Without dead ends: 229 [2023-12-02 18:44:37,860 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 791 GetRequests, 767 SyntacticMatches, 2 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 115 ImplicationChecksByTransitivity, 14.5s TimeCoverageRelationStatistics Valid=92, Invalid=454, Unknown=6, NotChecked=0, Total=552 [2023-12-02 18:44:37,861 INFO L413 NwaCegarLoop]: 92 mSDtfsCounter, 224 mSDsluCounter, 290 mSDsCounter, 0 mSdLazyCounter, 276 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 224 SdHoareTripleChecker+Valid, 382 SdHoareTripleChecker+Invalid, 293 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 276 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.9s IncrementalHoareTripleChecker+Time [2023-12-02 18:44:37,861 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [224 Valid, 382 Invalid, 293 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 276 Invalid, 0 Unknown, 0 Unchecked, 4.9s Time] [2023-12-02 18:44:37,862 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 229 states. [2023-12-02 18:44:37,896 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 229 to 225. [2023-12-02 18:44:37,896 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 225 states, 184 states have (on average 1.3695652173913044) internal successors, (252), 184 states have internal predecessors, (252), 38 states have call successors, (38), 2 states have call predecessors, (38), 2 states have return successors, (38), 38 states have call predecessors, (38), 38 states have call successors, (38) [2023-12-02 18:44:37,898 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 225 states to 225 states and 328 transitions. [2023-12-02 18:44:37,899 INFO L78 Accepts]: Start accepts. Automaton has 225 states and 328 transitions. Word has length 159 [2023-12-02 18:44:37,899 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 18:44:37,899 INFO L495 AbstractCegarLoop]: Abstraction has 225 states and 328 transitions. [2023-12-02 18:44:37,900 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 8.777777777777779) internal successors, (79), 8 states have internal predecessors, (79), 5 states have call successors, (19), 5 states have call predecessors, (19), 5 states have return successors, (19), 5 states have call predecessors, (19), 5 states have call successors, (19) [2023-12-02 18:44:37,900 INFO L276 IsEmpty]: Start isEmpty. Operand 225 states and 328 transitions. [2023-12-02 18:44:37,902 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2023-12-02 18:44:37,902 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 18:44:37,902 INFO L195 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 18:44:37,913 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7680e8c5-c7a9-4a18-aa9d-8b20008de08d/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0 [2023-12-02 18:44:38,111 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7680e8c5-c7a9-4a18-aa9d-8b20008de08d/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2023-12-02 18:44:38,309 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7680e8c5-c7a9-4a18-aa9d-8b20008de08d/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt (8)] Ended with exit code 0 [2023-12-02 18:44:38,503 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7680e8c5-c7a9-4a18-aa9d-8b20008de08d/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3,9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7680e8c5-c7a9-4a18-aa9d-8b20008de08d/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true,8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7680e8c5-c7a9-4a18-aa9d-8b20008de08d/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt [2023-12-02 18:44:38,503 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 18:44:38,504 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 18:44:38,504 INFO L85 PathProgramCache]: Analyzing trace with hash -44682795, now seen corresponding path program 1 times [2023-12-02 18:44:38,504 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-12-02 18:44:38,505 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [631616783] [2023-12-02 18:44:38,505 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 18:44:38,505 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-02 18:44:38,505 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7680e8c5-c7a9-4a18-aa9d-8b20008de08d/bin/utaipan-verify-nQ1chXbOIh/mathsat [2023-12-02 18:44:38,506 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7680e8c5-c7a9-4a18-aa9d-8b20008de08d/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-02 18:44:38,507 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7680e8c5-c7a9-4a18-aa9d-8b20008de08d/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (10)] Waiting until timeout for monitored process [2023-12-02 18:44:38,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 18:44:38,835 INFO L262 TraceCheckSpWp]: Trace formula consists of 329 conjuncts, 10 conjunts are in the unsatisfiable core [2023-12-02 18:44:38,838 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 18:44:39,083 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-12-02 18:44:39,083 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 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 172 treesize of output 64 [2023-12-02 18:44:39,153 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 360 proven. 32 refuted. 0 times theorem prover too weak. 292 trivial. 0 not checked. [2023-12-02 18:44:39,153 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 18:44:39,436 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-12-02 18:44:39,436 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 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 110 treesize of output 1 [2023-12-02 18:44:39,451 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 24 proven. 30 refuted. 0 times theorem prover too weak. 630 trivial. 0 not checked. [2023-12-02 18:44:39,451 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-12-02 18:44:39,451 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [631616783] [2023-12-02 18:44:39,451 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [631616783] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-02 18:44:39,451 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1762877254] [2023-12-02 18:44:39,451 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 18:44:39,451 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 18:44:39,452 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7680e8c5-c7a9-4a18-aa9d-8b20008de08d/bin/utaipan-verify-nQ1chXbOIh/cvc4 [2023-12-02 18:44:39,452 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7680e8c5-c7a9-4a18-aa9d-8b20008de08d/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 18:44:39,455 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7680e8c5-c7a9-4a18-aa9d-8b20008de08d/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt (11)] Waiting until timeout for monitored process [2023-12-02 18:44:40,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 18:44:40,515 INFO L262 TraceCheckSpWp]: Trace formula consists of 329 conjuncts, 16 conjunts are in the unsatisfiable core [2023-12-02 18:44:40,518 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 18:44:40,522 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 10 treesize of output 4 [2023-12-02 18:44:40,930 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-12-02 18:44:40,930 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 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 227 treesize of output 83 [2023-12-02 18:44:40,953 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 360 proven. 32 refuted. 0 times theorem prover too weak. 292 trivial. 0 not checked. [2023-12-02 18:44:40,953 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 18:44:41,866 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-12-02 18:44:41,866 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 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 166 treesize of output 1 [2023-12-02 18:44:41,882 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 24 proven. 30 refuted. 0 times theorem prover too weak. 630 trivial. 0 not checked. [2023-12-02 18:44:41,883 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1762877254] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-02 18:44:41,883 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [794138592] [2023-12-02 18:44:41,883 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 18:44:41,883 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 18:44:41,883 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7680e8c5-c7a9-4a18-aa9d-8b20008de08d/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 18:44:41,884 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7680e8c5-c7a9-4a18-aa9d-8b20008de08d/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-02 18:44:41,887 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7680e8c5-c7a9-4a18-aa9d-8b20008de08d/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2023-12-02 18:44:42,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 18:44:42,114 INFO L262 TraceCheckSpWp]: Trace formula consists of 329 conjuncts, 30 conjunts are in the unsatisfiable core [2023-12-02 18:44:42,121 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 18:44:42,216 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 [2023-12-02 18:44:42,484 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-12-02 18:44:42,484 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 41 treesize of output 28 [2023-12-02 18:44:42,600 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-12-02 18:44:42,600 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 41 treesize of output 28 [2023-12-02 18:44:42,716 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-12-02 18:44:42,717 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 42 treesize of output 48 [2023-12-02 18:44:45,080 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-12-02 18:44:45,080 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 67 treesize of output 64 [2023-12-02 18:44:49,586 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-12-02 18:44:49,586 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 82 treesize of output 67 [2023-12-02 18:44:49,810 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-12-02 18:44:49,810 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 82 treesize of output 67 [2023-12-02 18:44:50,068 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-12-02 18:44:50,069 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 [2023-12-02 18:44:50,632 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-12-02 18:44:50,633 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 [2023-12-02 18:44:51,030 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-12-02 18:44:51,030 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 [2023-12-02 18:44:51,385 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-12-02 18:44:51,385 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 [2023-12-02 18:44:51,834 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-12-02 18:44:51,834 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 [2023-12-02 18:44:52,060 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 0 case distinctions, treesize of input 81 treesize of output 80 [2023-12-02 18:44:52,169 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 476 proven. 0 refuted. 0 times theorem prover too weak. 208 trivial. 0 not checked. [2023-12-02 18:44:52,169 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-02 18:44:52,169 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [794138592] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 18:44:52,169 INFO L185 FreeRefinementEngine]: Found 1 perfect and 4 imperfect interpolant sequences. [2023-12-02 18:44:52,170 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [9, 8, 10, 9] total 22 [2023-12-02 18:44:52,170 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [816936788] [2023-12-02 18:44:52,170 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 18:44:52,170 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-02 18:44:52,170 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-12-02 18:44:52,171 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-02 18:44:52,171 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=76, Invalid=383, Unknown=3, NotChecked=0, Total=462 [2023-12-02 18:44:52,171 INFO L87 Difference]: Start difference. First operand 225 states and 328 transitions. Second operand has 8 states, 8 states have (on average 9.5) internal successors, (76), 7 states have internal predecessors, (76), 4 states have call successors, (19), 4 states have call predecessors, (19), 4 states have return successors, (19), 4 states have call predecessors, (19), 4 states have call successors, (19) [2023-12-02 18:44:55,921 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 18:44:55,921 INFO L93 Difference]: Finished difference Result 453 states and 659 transitions. [2023-12-02 18:44:55,922 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 18:44:55,922 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 9.5) internal successors, (76), 7 states have internal predecessors, (76), 4 states have call successors, (19), 4 states have call predecessors, (19), 4 states have return successors, (19), 4 states have call predecessors, (19), 4 states have call successors, (19) Word has length 159 [2023-12-02 18:44:55,922 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 18:44:55,924 INFO L225 Difference]: With dead ends: 453 [2023-12-02 18:44:55,924 INFO L226 Difference]: Without dead ends: 229 [2023-12-02 18:44:55,924 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 791 GetRequests, 768 SyntacticMatches, 2 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 105 ImplicationChecksByTransitivity, 8.0s TimeCoverageRelationStatistics Valid=84, Invalid=419, Unknown=3, NotChecked=0, Total=506 [2023-12-02 18:44:55,925 INFO L413 NwaCegarLoop]: 93 mSDtfsCounter, 263 mSDsluCounter, 183 mSDsCounter, 0 mSdLazyCounter, 218 mSolverCounterSat, 24 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 263 SdHoareTripleChecker+Valid, 276 SdHoareTripleChecker+Invalid, 242 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 218 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.6s IncrementalHoareTripleChecker+Time [2023-12-02 18:44:55,925 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [263 Valid, 276 Invalid, 242 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [24 Valid, 218 Invalid, 0 Unknown, 0 Unchecked, 3.6s Time] [2023-12-02 18:44:55,926 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 229 states. [2023-12-02 18:44:55,954 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 229 to 225. [2023-12-02 18:44:55,955 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 225 states, 184 states have (on average 1.3641304347826086) internal successors, (251), 184 states have internal predecessors, (251), 38 states have call successors, (38), 2 states have call predecessors, (38), 2 states have return successors, (38), 38 states have call predecessors, (38), 38 states have call successors, (38) [2023-12-02 18:44:55,956 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 225 states to 225 states and 327 transitions. [2023-12-02 18:44:55,957 INFO L78 Accepts]: Start accepts. Automaton has 225 states and 327 transitions. Word has length 159 [2023-12-02 18:44:55,957 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 18:44:55,958 INFO L495 AbstractCegarLoop]: Abstraction has 225 states and 327 transitions. [2023-12-02 18:44:55,958 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 9.5) internal successors, (76), 7 states have internal predecessors, (76), 4 states have call successors, (19), 4 states have call predecessors, (19), 4 states have return successors, (19), 4 states have call predecessors, (19), 4 states have call successors, (19) [2023-12-02 18:44:55,958 INFO L276 IsEmpty]: Start isEmpty. Operand 225 states and 327 transitions. [2023-12-02 18:44:55,959 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2023-12-02 18:44:55,959 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 18:44:55,960 INFO L195 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 18:44:55,970 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7680e8c5-c7a9-4a18-aa9d-8b20008de08d/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Ended with exit code 0 [2023-12-02 18:44:56,166 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7680e8c5-c7a9-4a18-aa9d-8b20008de08d/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt (11)] Ended with exit code 0 [2023-12-02 18:44:56,367 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7680e8c5-c7a9-4a18-aa9d-8b20008de08d/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (10)] Ended with exit code 0 [2023-12-02 18:44:56,560 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7680e8c5-c7a9-4a18-aa9d-8b20008de08d/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true,11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7680e8c5-c7a9-4a18-aa9d-8b20008de08d/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt,10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7680e8c5-c7a9-4a18-aa9d-8b20008de08d/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-02 18:44:56,561 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 18:44:56,561 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 18:44:56,561 INFO L85 PathProgramCache]: Analyzing trace with hash -862331245, now seen corresponding path program 1 times [2023-12-02 18:44:56,562 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-12-02 18:44:56,562 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1008628836] [2023-12-02 18:44:56,562 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 18:44:56,562 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-02 18:44:56,562 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7680e8c5-c7a9-4a18-aa9d-8b20008de08d/bin/utaipan-verify-nQ1chXbOIh/mathsat [2023-12-02 18:44:56,563 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7680e8c5-c7a9-4a18-aa9d-8b20008de08d/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-02 18:44:56,564 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7680e8c5-c7a9-4a18-aa9d-8b20008de08d/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (13)] Waiting until timeout for monitored process [2023-12-02 18:44:56,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 18:44:56,896 INFO L262 TraceCheckSpWp]: Trace formula consists of 329 conjuncts, 10 conjunts are in the unsatisfiable core [2023-12-02 18:44:56,899 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 18:44:57,126 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-12-02 18:44:57,126 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 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 172 treesize of output 64 [2023-12-02 18:44:57,190 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 360 proven. 32 refuted. 0 times theorem prover too weak. 292 trivial. 0 not checked. [2023-12-02 18:44:57,190 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 18:44:57,439 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-12-02 18:44:57,439 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 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 110 treesize of output 1 [2023-12-02 18:44:57,452 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 24 proven. 30 refuted. 0 times theorem prover too weak. 630 trivial. 0 not checked. [2023-12-02 18:44:57,452 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-12-02 18:44:57,452 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1008628836] [2023-12-02 18:44:57,453 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1008628836] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-02 18:44:57,453 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [212916432] [2023-12-02 18:44:57,453 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 18:44:57,453 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 18:44:57,453 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7680e8c5-c7a9-4a18-aa9d-8b20008de08d/bin/utaipan-verify-nQ1chXbOIh/cvc4 [2023-12-02 18:44:57,454 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7680e8c5-c7a9-4a18-aa9d-8b20008de08d/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 18:44:57,454 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7680e8c5-c7a9-4a18-aa9d-8b20008de08d/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt (14)] Waiting until timeout for monitored process [2023-12-02 18:44:58,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 18:44:58,506 INFO L262 TraceCheckSpWp]: Trace formula consists of 329 conjuncts, 16 conjunts are in the unsatisfiable core [2023-12-02 18:44:58,509 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 18:44:58,513 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 10 treesize of output 4 [2023-12-02 18:44:58,931 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-12-02 18:44:58,932 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 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 227 treesize of output 83 [2023-12-02 18:44:58,951 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 360 proven. 32 refuted. 0 times theorem prover too weak. 292 trivial. 0 not checked. [2023-12-02 18:44:58,951 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 18:44:59,858 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-12-02 18:44:59,858 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 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 166 treesize of output 1 [2023-12-02 18:44:59,874 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 24 proven. 30 refuted. 0 times theorem prover too weak. 630 trivial. 0 not checked. [2023-12-02 18:44:59,875 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [212916432] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-02 18:44:59,875 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1597804741] [2023-12-02 18:44:59,875 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 18:44:59,875 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 18:44:59,875 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7680e8c5-c7a9-4a18-aa9d-8b20008de08d/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 18:44:59,876 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7680e8c5-c7a9-4a18-aa9d-8b20008de08d/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-02 18:44:59,879 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7680e8c5-c7a9-4a18-aa9d-8b20008de08d/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2023-12-02 18:45:00,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 18:45:00,079 INFO L262 TraceCheckSpWp]: Trace formula consists of 329 conjuncts, 8 conjunts are in the unsatisfiable core [2023-12-02 18:45:00,083 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 18:45:00,332 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-12-02 18:45:00,333 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 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 173 treesize of output 65 [2023-12-02 18:45:00,465 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 360 proven. 0 refuted. 0 times theorem prover too weak. 324 trivial. 0 not checked. [2023-12-02 18:45:00,465 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-02 18:45:00,465 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1597804741] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 18:45:00,465 INFO L185 FreeRefinementEngine]: Found 1 perfect and 4 imperfect interpolant sequences. [2023-12-02 18:45:00,466 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [9, 8, 10, 9] total 19 [2023-12-02 18:45:00,466 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [20044677] [2023-12-02 18:45:00,466 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 18:45:00,466 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-12-02 18:45:00,466 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-12-02 18:45:00,467 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-12-02 18:45:00,467 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=61, Invalid=281, Unknown=0, NotChecked=0, Total=342 [2023-12-02 18:45:00,467 INFO L87 Difference]: Start difference. First operand 225 states and 327 transitions. Second operand has 6 states, 6 states have (on average 11.666666666666666) internal successors, (70), 5 states have internal predecessors, (70), 2 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2023-12-02 18:45:02,869 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.03s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 18:45:04,375 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 18:45:04,375 INFO L93 Difference]: Finished difference Result 461 states and 671 transitions. [2023-12-02 18:45:04,376 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-12-02 18:45:04,376 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 11.666666666666666) internal successors, (70), 5 states have internal predecessors, (70), 2 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) Word has length 159 [2023-12-02 18:45:04,377 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 18:45:04,378 INFO L225 Difference]: With dead ends: 461 [2023-12-02 18:45:04,379 INFO L226 Difference]: Without dead ends: 237 [2023-12-02 18:45:04,380 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 794 GetRequests, 771 SyntacticMatches, 2 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 76 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=86, Invalid=420, Unknown=0, NotChecked=0, Total=506 [2023-12-02 18:45:04,380 INFO L413 NwaCegarLoop]: 140 mSDtfsCounter, 137 mSDsluCounter, 320 mSDsCounter, 0 mSdLazyCounter, 192 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 137 SdHoareTripleChecker+Valid, 460 SdHoareTripleChecker+Invalid, 197 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 192 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.7s IncrementalHoareTripleChecker+Time [2023-12-02 18:45:04,380 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [137 Valid, 460 Invalid, 197 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 192 Invalid, 0 Unknown, 0 Unchecked, 3.7s Time] [2023-12-02 18:45:04,381 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 237 states. [2023-12-02 18:45:04,405 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 237 to 225. [2023-12-02 18:45:04,406 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 225 states, 184 states have (on average 1.3532608695652173) internal successors, (249), 184 states have internal predecessors, (249), 38 states have call successors, (38), 2 states have call predecessors, (38), 2 states have return successors, (38), 38 states have call predecessors, (38), 38 states have call successors, (38) [2023-12-02 18:45:04,407 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 225 states to 225 states and 325 transitions. [2023-12-02 18:45:04,407 INFO L78 Accepts]: Start accepts. Automaton has 225 states and 325 transitions. Word has length 159 [2023-12-02 18:45:04,407 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 18:45:04,407 INFO L495 AbstractCegarLoop]: Abstraction has 225 states and 325 transitions. [2023-12-02 18:45:04,408 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 11.666666666666666) internal successors, (70), 5 states have internal predecessors, (70), 2 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2023-12-02 18:45:04,408 INFO L276 IsEmpty]: Start isEmpty. Operand 225 states and 325 transitions. [2023-12-02 18:45:04,408 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2023-12-02 18:45:04,408 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 18:45:04,409 INFO L195 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 18:45:04,416 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7680e8c5-c7a9-4a18-aa9d-8b20008de08d/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt (14)] Ended with exit code 0 [2023-12-02 18:45:04,617 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7680e8c5-c7a9-4a18-aa9d-8b20008de08d/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Ended with exit code 0 [2023-12-02 18:45:04,816 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7680e8c5-c7a9-4a18-aa9d-8b20008de08d/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (13)] Ended with exit code 0 [2023-12-02 18:45:05,009 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7680e8c5-c7a9-4a18-aa9d-8b20008de08d/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt,15 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7680e8c5-c7a9-4a18-aa9d-8b20008de08d/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true,13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7680e8c5-c7a9-4a18-aa9d-8b20008de08d/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-02 18:45:05,010 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 18:45:05,010 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 18:45:05,010 INFO L85 PathProgramCache]: Analyzing trace with hash -752745063, now seen corresponding path program 1 times [2023-12-02 18:45:05,010 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-12-02 18:45:05,011 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1585301548] [2023-12-02 18:45:05,011 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 18:45:05,011 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-02 18:45:05,011 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7680e8c5-c7a9-4a18-aa9d-8b20008de08d/bin/utaipan-verify-nQ1chXbOIh/mathsat [2023-12-02 18:45:05,012 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7680e8c5-c7a9-4a18-aa9d-8b20008de08d/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-02 18:45:05,012 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7680e8c5-c7a9-4a18-aa9d-8b20008de08d/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (16)] Waiting until timeout for monitored process [2023-12-02 18:45:05,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 18:45:05,332 INFO L262 TraceCheckSpWp]: Trace formula consists of 335 conjuncts, 10 conjunts are in the unsatisfiable core [2023-12-02 18:45:05,340 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 18:45:05,559 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-12-02 18:45:05,559 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 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 172 treesize of output 64 [2023-12-02 18:45:05,622 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 360 proven. 32 refuted. 0 times theorem prover too weak. 292 trivial. 0 not checked. [2023-12-02 18:45:05,623 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 18:45:05,876 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-12-02 18:45:05,876 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 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 110 treesize of output 1 [2023-12-02 18:45:05,888 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 24 proven. 30 refuted. 0 times theorem prover too weak. 630 trivial. 0 not checked. [2023-12-02 18:45:05,888 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-12-02 18:45:05,888 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1585301548] [2023-12-02 18:45:05,888 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1585301548] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-02 18:45:05,889 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [69666417] [2023-12-02 18:45:05,889 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 18:45:05,889 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 18:45:05,889 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7680e8c5-c7a9-4a18-aa9d-8b20008de08d/bin/utaipan-verify-nQ1chXbOIh/cvc4 [2023-12-02 18:45:05,890 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7680e8c5-c7a9-4a18-aa9d-8b20008de08d/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 18:45:05,890 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7680e8c5-c7a9-4a18-aa9d-8b20008de08d/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt (17)] Waiting until timeout for monitored process [2023-12-02 18:45:06,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 18:45:07,011 INFO L262 TraceCheckSpWp]: Trace formula consists of 335 conjuncts, 16 conjunts are in the unsatisfiable core [2023-12-02 18:45:07,014 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 18:45:07,017 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 10 treesize of output 4 [2023-12-02 18:45:07,413 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-12-02 18:45:07,413 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 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 227 treesize of output 83 [2023-12-02 18:45:07,433 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 360 proven. 32 refuted. 0 times theorem prover too weak. 292 trivial. 0 not checked. [2023-12-02 18:45:07,433 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 18:45:08,317 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-12-02 18:45:08,317 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 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 166 treesize of output 1 [2023-12-02 18:45:08,328 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 24 proven. 30 refuted. 0 times theorem prover too weak. 630 trivial. 0 not checked. [2023-12-02 18:45:08,328 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [69666417] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-02 18:45:08,328 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [957210106] [2023-12-02 18:45:08,328 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 18:45:08,328 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 18:45:08,328 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7680e8c5-c7a9-4a18-aa9d-8b20008de08d/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 18:45:08,329 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7680e8c5-c7a9-4a18-aa9d-8b20008de08d/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-02 18:45:08,330 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7680e8c5-c7a9-4a18-aa9d-8b20008de08d/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2023-12-02 18:45:08,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 18:45:08,828 INFO L262 TraceCheckSpWp]: Trace formula consists of 335 conjuncts, 24 conjunts are in the unsatisfiable core [2023-12-02 18:45:08,832 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 18:45:09,031 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 [2023-12-02 18:45:09,236 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-12-02 18:45:09,236 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 41 treesize of output 28 [2023-12-02 18:45:09,328 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-12-02 18:45:09,328 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 41 treesize of output 28 [2023-12-02 18:45:09,444 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-12-02 18:45:09,444 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 43 treesize of output 39 [2023-12-02 18:45:09,658 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-12-02 18:45:09,658 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 58 treesize of output 42 [2023-12-02 18:45:09,813 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-12-02 18:45:09,813 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 87 treesize of output 39 [2023-12-02 18:45:10,028 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 348 proven. 72 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2023-12-02 18:45:10,028 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 18:45:10,322 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2023-12-02 18:45:10,323 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [957210106] provided 1 perfect and 1 imperfect interpolant sequences [2023-12-02 18:45:10,323 INFO L185 FreeRefinementEngine]: Found 1 perfect and 5 imperfect interpolant sequences. [2023-12-02 18:45:10,323 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [9, 8, 10, 9, 11] total 25 [2023-12-02 18:45:10,323 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [728948566] [2023-12-02 18:45:10,323 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 18:45:10,324 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-12-02 18:45:10,324 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-12-02 18:45:10,324 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-12-02 18:45:10,324 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=77, Invalid=523, Unknown=0, NotChecked=0, Total=600 [2023-12-02 18:45:10,324 INFO L87 Difference]: Start difference. First operand 225 states and 325 transitions. Second operand has 6 states, 6 states have (on average 11.5) internal successors, (69), 6 states have internal predecessors, (69), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2023-12-02 18:45:12,952 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.03s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 18:45:14,490 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 18:45:14,490 INFO L93 Difference]: Finished difference Result 673 states and 969 transitions. [2023-12-02 18:45:14,491 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-02 18:45:14,491 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 11.5) internal successors, (69), 6 states have internal predecessors, (69), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) Word has length 161 [2023-12-02 18:45:14,491 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 18:45:14,494 INFO L225 Difference]: With dead ends: 673 [2023-12-02 18:45:14,494 INFO L226 Difference]: Without dead ends: 449 [2023-12-02 18:45:14,495 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 964 GetRequests, 935 SyntacticMatches, 2 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 159 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=100, Invalid=712, Unknown=0, NotChecked=0, Total=812 [2023-12-02 18:45:14,495 INFO L413 NwaCegarLoop]: 170 mSDtfsCounter, 190 mSDsluCounter, 575 mSDsCounter, 0 mSdLazyCounter, 363 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 190 SdHoareTripleChecker+Valid, 745 SdHoareTripleChecker+Invalid, 378 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 363 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.8s IncrementalHoareTripleChecker+Time [2023-12-02 18:45:14,495 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [190 Valid, 745 Invalid, 378 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 363 Invalid, 0 Unknown, 0 Unchecked, 3.8s Time] [2023-12-02 18:45:14,496 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 449 states. [2023-12-02 18:45:14,539 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 449 to 415. [2023-12-02 18:45:14,540 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 415 states, 350 states have (on average 1.36) internal successors, (476), 352 states have internal predecessors, (476), 60 states have call successors, (60), 4 states have call predecessors, (60), 4 states have return successors, (60), 58 states have call predecessors, (60), 60 states have call successors, (60) [2023-12-02 18:45:14,548 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 415 states to 415 states and 596 transitions. [2023-12-02 18:45:14,548 INFO L78 Accepts]: Start accepts. Automaton has 415 states and 596 transitions. Word has length 161 [2023-12-02 18:45:14,549 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 18:45:14,549 INFO L495 AbstractCegarLoop]: Abstraction has 415 states and 596 transitions. [2023-12-02 18:45:14,549 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 11.5) internal successors, (69), 6 states have internal predecessors, (69), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2023-12-02 18:45:14,549 INFO L276 IsEmpty]: Start isEmpty. Operand 415 states and 596 transitions. [2023-12-02 18:45:14,550 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2023-12-02 18:45:14,550 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 18:45:14,550 INFO L195 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 18:45:14,559 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7680e8c5-c7a9-4a18-aa9d-8b20008de08d/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Ended with exit code 0 [2023-12-02 18:45:14,758 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7680e8c5-c7a9-4a18-aa9d-8b20008de08d/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (16)] Ended with exit code 0 [2023-12-02 18:45:14,958 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7680e8c5-c7a9-4a18-aa9d-8b20008de08d/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt (17)] Forceful destruction successful, exit code 0 [2023-12-02 18:45:15,151 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7680e8c5-c7a9-4a18-aa9d-8b20008de08d/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true,16 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7680e8c5-c7a9-4a18-aa9d-8b20008de08d/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3,17 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7680e8c5-c7a9-4a18-aa9d-8b20008de08d/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt [2023-12-02 18:45:15,151 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 18:45:15,151 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 18:45:15,152 INFO L85 PathProgramCache]: Analyzing trace with hash 1150593874, now seen corresponding path program 1 times [2023-12-02 18:45:15,152 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-12-02 18:45:15,152 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1219548697] [2023-12-02 18:45:15,152 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 18:45:15,152 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-02 18:45:15,152 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7680e8c5-c7a9-4a18-aa9d-8b20008de08d/bin/utaipan-verify-nQ1chXbOIh/mathsat [2023-12-02 18:45:15,153 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7680e8c5-c7a9-4a18-aa9d-8b20008de08d/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-02 18:45:15,154 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7680e8c5-c7a9-4a18-aa9d-8b20008de08d/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (19)] Waiting until timeout for monitored process [2023-12-02 18:45:15,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 18:45:15,490 INFO L262 TraceCheckSpWp]: Trace formula consists of 334 conjuncts, 10 conjunts are in the unsatisfiable core [2023-12-02 18:45:15,493 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 18:45:15,744 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-12-02 18:45:15,744 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 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 172 treesize of output 64 [2023-12-02 18:45:15,822 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 360 proven. 32 refuted. 0 times theorem prover too weak. 292 trivial. 0 not checked. [2023-12-02 18:45:15,822 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 18:45:16,090 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-12-02 18:45:16,090 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 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 110 treesize of output 1 [2023-12-02 18:45:16,100 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 24 proven. 30 refuted. 0 times theorem prover too weak. 630 trivial. 0 not checked. [2023-12-02 18:45:16,101 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-12-02 18:45:16,101 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1219548697] [2023-12-02 18:45:16,101 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1219548697] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-02 18:45:16,101 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [192781045] [2023-12-02 18:45:16,101 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 18:45:16,101 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 18:45:16,101 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7680e8c5-c7a9-4a18-aa9d-8b20008de08d/bin/utaipan-verify-nQ1chXbOIh/cvc4 [2023-12-02 18:45:16,102 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7680e8c5-c7a9-4a18-aa9d-8b20008de08d/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 18:45:16,103 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7680e8c5-c7a9-4a18-aa9d-8b20008de08d/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt (20)] Waiting until timeout for monitored process [2023-12-02 18:45:17,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 18:45:17,216 INFO L262 TraceCheckSpWp]: Trace formula consists of 334 conjuncts, 19 conjunts are in the unsatisfiable core [2023-12-02 18:45:17,219 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 18:45:17,223 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 10 treesize of output 4 [2023-12-02 18:45:17,391 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 20 treesize of output 21 [2023-12-02 18:45:21,872 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-12-02 18:45:21,873 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 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 247 treesize of output 91 [2023-12-02 18:45:21,890 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 360 proven. 32 refuted. 0 times theorem prover too weak. 292 trivial. 0 not checked. [2023-12-02 18:45:21,890 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 18:45:22,727 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 24 proven. 30 refuted. 0 times theorem prover too weak. 630 trivial. 0 not checked. [2023-12-02 18:45:22,727 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [192781045] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-02 18:45:22,727 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [543714907] [2023-12-02 18:45:22,727 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 18:45:22,727 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 18:45:22,727 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7680e8c5-c7a9-4a18-aa9d-8b20008de08d/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 18:45:22,728 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7680e8c5-c7a9-4a18-aa9d-8b20008de08d/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-02 18:45:22,729 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7680e8c5-c7a9-4a18-aa9d-8b20008de08d/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Waiting until timeout for monitored process [2023-12-02 18:45:23,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 18:45:23,076 INFO L262 TraceCheckSpWp]: Trace formula consists of 334 conjuncts, 41 conjunts are in the unsatisfiable core [2023-12-02 18:45:23,082 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 18:45:23,195 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-12-02 18:45:23,195 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 [2023-12-02 18:45:23,683 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-12-02 18:45:23,683 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 [2023-12-02 18:45:23,913 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-12-02 18:45:23,913 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 [2023-12-02 18:45:24,160 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-12-02 18:45:24,160 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 60 [2023-12-02 18:45:26,662 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-12-02 18:45:26,662 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 76 treesize of output 76 [2023-12-02 18:45:31,295 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-12-02 18:45:31,296 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 99 [2023-12-02 18:45:38,301 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-12-02 18:45:38,301 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 111 treesize of output 105 [2023-12-02 18:45:38,897 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-12-02 18:45:38,897 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 95 treesize of output 115 [2023-12-02 18:45:39,859 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-12-02 18:45:39,859 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 110 treesize of output 118 [2023-12-02 18:45:40,599 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-12-02 18:45:40,599 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 110 treesize of output 118 [2023-12-02 18:45:41,369 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-12-02 18:45:41,369 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 110 treesize of output 118 [2023-12-02 18:45:42,399 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-12-02 18:45:42,400 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 110 treesize of output 118 [2023-12-02 18:45:43,262 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 36 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 104 treesize of output 118 [2023-12-02 18:45:48,116 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-12-02 18:45:48,117 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 115 treesize of output 49 [2023-12-02 18:45:48,699 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 484 proven. 0 refuted. 0 times theorem prover too weak. 200 trivial. 0 not checked. [2023-12-02 18:45:48,699 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-02 18:45:48,699 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [543714907] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 18:45:48,699 INFO L185 FreeRefinementEngine]: Found 1 perfect and 4 imperfect interpolant sequences. [2023-12-02 18:45:48,699 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [9, 8, 10, 9] total 31 [2023-12-02 18:45:48,700 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [345359870] [2023-12-02 18:45:48,700 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 18:45:48,700 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2023-12-02 18:45:48,700 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-12-02 18:45:48,701 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2023-12-02 18:45:48,702 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=121, Invalid=801, Unknown=8, NotChecked=0, Total=930 [2023-12-02 18:45:48,702 INFO L87 Difference]: Start difference. First operand 415 states and 596 transitions. Second operand has 15 states, 15 states have (on average 5.4) internal successors, (81), 14 states have internal predecessors, (81), 5 states have call successors, (19), 5 states have call predecessors, (19), 5 states have return successors, (19), 5 states have call predecessors, (19), 5 states have call successors, (19) [2023-12-02 18:45:57,123 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.13s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-02 18:46:14,561 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.23s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-02 18:46:14,657 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 18:46:14,657 INFO L93 Difference]: Finished difference Result 1106 states and 1580 transitions. [2023-12-02 18:46:14,658 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-12-02 18:46:14,658 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 5.4) internal successors, (81), 14 states have internal predecessors, (81), 5 states have call successors, (19), 5 states have call predecessors, (19), 5 states have return successors, (19), 5 states have call predecessors, (19), 5 states have call successors, (19) Word has length 161 [2023-12-02 18:46:14,658 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 18:46:14,664 INFO L225 Difference]: With dead ends: 1106 [2023-12-02 18:46:14,664 INFO L226 Difference]: Without dead ends: 692 [2023-12-02 18:46:14,666 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 808 GetRequests, 769 SyntacticMatches, 2 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 321 ImplicationChecksByTransitivity, 27.9s TimeCoverageRelationStatistics Valid=208, Invalid=1266, Unknown=8, NotChecked=0, Total=1482 [2023-12-02 18:46:14,666 INFO L413 NwaCegarLoop]: 113 mSDtfsCounter, 230 mSDsluCounter, 601 mSDsCounter, 0 mSdLazyCounter, 925 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 19.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 230 SdHoareTripleChecker+Valid, 714 SdHoareTripleChecker+Invalid, 940 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 925 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 20.7s IncrementalHoareTripleChecker+Time [2023-12-02 18:46:14,667 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [230 Valid, 714 Invalid, 940 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 925 Invalid, 0 Unknown, 0 Unchecked, 20.7s Time] [2023-12-02 18:46:14,668 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 692 states. [2023-12-02 18:46:14,789 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 692 to 627. [2023-12-02 18:46:14,791 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 627 states, 530 states have (on average 1.350943396226415) internal successors, (716), 533 states have internal predecessors, (716), 90 states have call successors, (90), 6 states have call predecessors, (90), 6 states have return successors, (90), 87 states have call predecessors, (90), 90 states have call successors, (90) [2023-12-02 18:46:14,796 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 627 states to 627 states and 896 transitions. [2023-12-02 18:46:14,796 INFO L78 Accepts]: Start accepts. Automaton has 627 states and 896 transitions. Word has length 161 [2023-12-02 18:46:14,797 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 18:46:14,797 INFO L495 AbstractCegarLoop]: Abstraction has 627 states and 896 transitions. [2023-12-02 18:46:14,798 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 5.4) internal successors, (81), 14 states have internal predecessors, (81), 5 states have call successors, (19), 5 states have call predecessors, (19), 5 states have return successors, (19), 5 states have call predecessors, (19), 5 states have call successors, (19) [2023-12-02 18:46:14,798 INFO L276 IsEmpty]: Start isEmpty. Operand 627 states and 896 transitions. [2023-12-02 18:46:14,800 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2023-12-02 18:46:14,800 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 18:46:14,800 INFO L195 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 18:46:14,813 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7680e8c5-c7a9-4a18-aa9d-8b20008de08d/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (19)] Ended with exit code 0 [2023-12-02 18:46:15,009 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7680e8c5-c7a9-4a18-aa9d-8b20008de08d/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt (20)] Ended with exit code 0 [2023-12-02 18:46:15,212 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7680e8c5-c7a9-4a18-aa9d-8b20008de08d/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Ended with exit code 0 [2023-12-02 18:46:15,401 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 19 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7680e8c5-c7a9-4a18-aa9d-8b20008de08d/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3,20 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7680e8c5-c7a9-4a18-aa9d-8b20008de08d/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt,21 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7680e8c5-c7a9-4a18-aa9d-8b20008de08d/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 18:46:15,401 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 18:46:15,402 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 18:46:15,402 INFO L85 PathProgramCache]: Analyzing trace with hash 1369448592, now seen corresponding path program 1 times [2023-12-02 18:46:15,403 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-12-02 18:46:15,403 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2083139432] [2023-12-02 18:46:15,403 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 18:46:15,403 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 [2023-12-02 18:46:15,403 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7680e8c5-c7a9-4a18-aa9d-8b20008de08d/bin/utaipan-verify-nQ1chXbOIh/mathsat [2023-12-02 18:46:15,404 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7680e8c5-c7a9-4a18-aa9d-8b20008de08d/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-02 18:46:15,405 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7680e8c5-c7a9-4a18-aa9d-8b20008de08d/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (22)] Waiting until timeout for monitored process [2023-12-02 18:46:15,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 18:46:15,852 INFO L262 TraceCheckSpWp]: Trace formula consists of 336 conjuncts, 10 conjunts are in the unsatisfiable core [2023-12-02 18:46:15,855 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 18:46:16,182 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-12-02 18:46:16,183 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 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 172 treesize of output 64 [2023-12-02 18:46:16,284 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 360 proven. 32 refuted. 0 times theorem prover too weak. 292 trivial. 0 not checked. [2023-12-02 18:46:16,285 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 18:46:16,664 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-12-02 18:46:16,664 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 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 110 treesize of output 1 [2023-12-02 18:46:16,679 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 24 proven. 30 refuted. 0 times theorem prover too weak. 630 trivial. 0 not checked. [2023-12-02 18:46:16,679 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-12-02 18:46:16,679 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2083139432] [2023-12-02 18:46:16,679 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2083139432] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-02 18:46:16,679 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [907208850] [2023-12-02 18:46:16,679 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 18:46:16,680 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 18:46:16,680 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7680e8c5-c7a9-4a18-aa9d-8b20008de08d/bin/utaipan-verify-nQ1chXbOIh/cvc4 [2023-12-02 18:46:16,681 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7680e8c5-c7a9-4a18-aa9d-8b20008de08d/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 18:46:16,682 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7680e8c5-c7a9-4a18-aa9d-8b20008de08d/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt (23)] Waiting until timeout for monitored process [2023-12-02 18:46:18,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 18:46:18,101 INFO L262 TraceCheckSpWp]: Trace formula consists of 336 conjuncts, 16 conjunts are in the unsatisfiable core [2023-12-02 18:46:18,104 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 18:46:18,108 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 10 treesize of output 4 [2023-12-02 18:46:18,583 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-12-02 18:46:18,583 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 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 227 treesize of output 83 [2023-12-02 18:46:18,608 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 360 proven. 32 refuted. 0 times theorem prover too weak. 292 trivial. 0 not checked. [2023-12-02 18:46:18,608 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 18:46:19,615 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-12-02 18:46:19,616 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 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 166 treesize of output 1 [2023-12-02 18:46:19,629 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 24 proven. 30 refuted. 0 times theorem prover too weak. 630 trivial. 0 not checked. [2023-12-02 18:46:19,629 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [907208850] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-02 18:46:19,629 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [795193720] [2023-12-02 18:46:19,629 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 18:46:19,629 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 18:46:19,629 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7680e8c5-c7a9-4a18-aa9d-8b20008de08d/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 18:46:19,630 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7680e8c5-c7a9-4a18-aa9d-8b20008de08d/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-02 18:46:19,631 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7680e8c5-c7a9-4a18-aa9d-8b20008de08d/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Waiting until timeout for monitored process [2023-12-02 18:46:19,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 18:46:19,886 INFO L262 TraceCheckSpWp]: Trace formula consists of 336 conjuncts, 39 conjunts are in the unsatisfiable core [2023-12-02 18:46:19,900 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 18:46:20,008 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 9 treesize of output 3 [2023-12-02 18:46:21,377 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 38 treesize of output 16 [2023-12-02 18:46:21,554 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 39 treesize of output 36 [2023-12-02 18:46:24,145 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-12-02 18:46:24,145 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 59 treesize of output 62 [2023-12-02 18:46:28,987 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-12-02 18:46:28,988 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 88 [2023-12-02 18:46:36,126 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-12-02 18:46:36,126 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 114 [2023-12-02 18:46:45,132 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-12-02 18:46:45,133 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 118 treesize of output 120 [2023-12-02 18:46:46,079 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-12-02 18:46:46,079 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 118 treesize of output 120 [2023-12-02 18:46:47,157 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-12-02 18:46:47,157 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 113 treesize of output 130 [2023-12-02 18:46:48,876 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 0 case distinctions, treesize of input 128 treesize of output 133 [2023-12-02 18:46:51,957 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-12-02 18:46:51,957 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 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 137 treesize of output 145 [2023-12-02 18:46:52,886 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 538 proven. 81 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2023-12-02 18:46:52,886 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 18:46:55,037 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [795193720] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-02 18:46:55,037 INFO L185 FreeRefinementEngine]: Found 0 perfect and 5 imperfect interpolant sequences. [2023-12-02 18:46:55,038 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 8, 10, 9, 21] total 36 [2023-12-02 18:46:55,038 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1865283435] [2023-12-02 18:46:55,038 INFO L85 oduleStraightlineAll]: Using 5 imperfect interpolants to construct interpolant automaton [2023-12-02 18:46:55,039 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 36 states [2023-12-02 18:46:55,040 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-12-02 18:46:55,041 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 36 interpolants. [2023-12-02 18:46:55,042 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=240, Invalid=1472, Unknown=10, NotChecked=0, Total=1722 [2023-12-02 18:46:55,043 INFO L87 Difference]: Start difference. First operand 627 states and 896 transitions. Second operand has 36 states, 32 states have (on average 5.75) internal successors, (184), 35 states have internal predecessors, (184), 15 states have call successors, (56), 12 states have call predecessors, (56), 15 states have return successors, (56), 12 states have call predecessors, (56), 15 states have call successors, (56) [2023-12-02 18:47:00,967 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-02 18:47:02,970 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-02 18:47:04,975 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-02 18:47:06,987 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-02 18:47:17,327 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-02 18:47:19,332 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-02 18:47:21,337 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-02 18:47:23,350 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-02 18:47:33,646 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-02 18:47:35,648 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-02 18:47:37,651 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-02 18:47:39,662 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-02 18:47:41,698 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-02 18:47:43,700 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-02 18:47:45,703 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-02 18:47:47,709 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-02 18:47:57,982 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-02 18:47:59,985 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-02 18:48:01,988 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-02 18:48:03,991 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-02 18:48:14,115 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-02 18:48:16,118 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-02 18:48:18,122 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-02 18:48:20,124 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-02 18:48:22,169 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-02 18:48:24,172 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-02 18:48:26,175 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-02 18:48:28,186 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-02 18:48:30,234 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-02 18:48:32,237 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-02 18:48:34,242 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-02 18:48:36,250 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-02 18:48:38,324 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-02 18:48:40,328 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-02 18:48:42,330 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-02 18:48:44,338 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-02 18:48:46,414 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-02 18:48:48,418 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-02 18:48:50,422 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-02 18:48:52,431 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-02 18:48:54,502 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-02 18:48:56,505 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-02 18:48:58,515 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-02 18:49:14,780 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-02 18:49:16,783 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-02 18:49:18,796 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-02 18:49:20,805 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-02 18:49:22,810 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-02 18:49:24,815 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-02 18:49:26,821 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-02 18:49:28,827 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-02 18:49:30,831 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-02 18:49:32,900 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-02 18:49:34,904 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-02 18:49:36,913 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-02 18:49:38,984 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-02 18:49:40,987 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-02 18:49:42,997 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-02 18:49:45,005 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-02 18:49:47,008 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-02 18:49:49,013 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-02 18:49:51,022 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-02 18:49:53,025 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-02 18:49:55,029 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-02 18:49:57,098 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-02 18:49:59,102 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-02 18:50:01,115 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-02 18:50:03,149 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-02 18:50:05,152 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-02 18:50:07,155 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-02 18:50:19,468 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-02 18:50:21,471 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-02 18:50:23,477 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-02 18:50:33,712 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-02 18:50:35,716 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-02 18:50:37,720 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-02 18:50:39,822 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-02 18:50:41,825 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-02 18:50:43,836 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-02 18:50:45,959 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-02 18:50:47,963 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-02 18:50:54,232 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-02 18:50:56,235 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-02 18:51:01,587 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.03s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-02 18:51:03,592 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-02 18:51:05,594 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-02 18:51:25,888 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-02 18:51:27,891 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-02 18:51:34,121 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-02 18:51:36,126 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-02 18:51:38,186 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-02 18:51:40,191 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-02 18:51:46,717 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-02 18:51:48,721 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-02 18:51:55,027 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-02 18:51:57,030 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-02 18:52:03,323 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-02 18:52:05,326 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-02 18:52:11,623 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-02 18:52:13,626 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-02 18:52:15,636 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-02 18:52:17,640 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-02 18:52:23,879 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-02 18:52:25,882 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-02 18:52:27,929 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-02 18:52:29,932 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-02 18:52:31,950 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-02 18:52:33,955 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-02 18:52:35,972 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-02 18:52:37,978 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-02 18:52:40,021 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-02 18:52:42,025 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-02 18:52:48,284 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-02 18:52:50,287 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-02 18:52:52,307 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-02 18:52:54,310 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-02 18:52:56,332 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-02 18:52:58,335 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-02 18:53:00,355 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-02 18:53:02,358 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-02 18:53:08,568 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-02 18:53:10,572 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-02 18:53:24,898 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-02 18:53:26,903 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-02 18:53:33,123 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-02 18:53:35,125 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-02 18:53:45,349 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-02 18:53:47,352 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-02 18:53:49,358 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-02 18:53:51,360 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-02 18:53:53,434 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-02 18:53:55,438 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-02 18:53:57,538 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-02 18:54:43,904 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-02 18:54:45,916 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-02 18:54:47,924 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-02 18:54:49,985 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-02 18:54:52,047 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-02 18:54:54,062 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-02 18:54:56,068 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-02 18:54:58,113 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-02 18:55:00,143 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-02 18:55:20,447 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-02 18:55:32,708 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-02 18:55:34,768 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-02 18:56:58,959 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.54s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-02 18:57:09,825 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.42s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 18:57:11,008 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.14s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 18:57:12,444 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.16s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 18:57:13,510 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 18:57:13,510 INFO L93 Difference]: Finished difference Result 1655 states and 2318 transitions. [2023-12-02 18:57:13,512 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 64 states. [2023-12-02 18:57:13,512 INFO L78 Accepts]: Start accepts. Automaton has has 36 states, 32 states have (on average 5.75) internal successors, (184), 35 states have internal predecessors, (184), 15 states have call successors, (56), 12 states have call predecessors, (56), 15 states have return successors, (56), 12 states have call predecessors, (56), 15 states have call successors, (56) Word has length 161 [2023-12-02 18:57:13,512 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 18:57:13,516 INFO L225 Difference]: With dead ends: 1655 [2023-12-02 18:57:13,516 INFO L226 Difference]: Without dead ends: 938 [2023-12-02 18:57:13,520 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 903 GetRequests, 802 SyntacticMatches, 2 SemanticMatches, 99 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2606 ImplicationChecksByTransitivity, 336.8s TimeCoverageRelationStatistics Valid=1557, Invalid=8385, Unknown=158, NotChecked=0, Total=10100 [2023-12-02 18:57:13,521 INFO L413 NwaCegarLoop]: 65 mSDtfsCounter, 520 mSDsluCounter, 971 mSDsCounter, 0 mSdLazyCounter, 2199 mSolverCounterSat, 131 mSolverCounterUnsat, 144 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 308.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 531 SdHoareTripleChecker+Valid, 1036 SdHoareTripleChecker+Invalid, 2474 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 131 IncrementalHoareTripleChecker+Valid, 2199 IncrementalHoareTripleChecker+Invalid, 144 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 309.9s IncrementalHoareTripleChecker+Time [2023-12-02 18:57:13,521 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [531 Valid, 1036 Invalid, 2474 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [131 Valid, 2199 Invalid, 144 Unknown, 0 Unchecked, 309.9s Time] [2023-12-02 18:57:13,522 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 938 states. [2023-12-02 18:57:13,657 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 938 to 752. [2023-12-02 18:57:13,658 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 752 states, 627 states have (on average 1.3110047846889952) internal successors, (822), 630 states have internal predecessors, (822), 109 states have call successors, (109), 15 states have call predecessors, (109), 15 states have return successors, (109), 106 states have call predecessors, (109), 109 states have call successors, (109) [2023-12-02 18:57:13,660 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 752 states to 752 states and 1040 transitions. [2023-12-02 18:57:13,660 INFO L78 Accepts]: Start accepts. Automaton has 752 states and 1040 transitions. Word has length 161 [2023-12-02 18:57:13,661 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 18:57:13,661 INFO L495 AbstractCegarLoop]: Abstraction has 752 states and 1040 transitions. [2023-12-02 18:57:13,661 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 36 states, 32 states have (on average 5.75) internal successors, (184), 35 states have internal predecessors, (184), 15 states have call successors, (56), 12 states have call predecessors, (56), 15 states have return successors, (56), 12 states have call predecessors, (56), 15 states have call successors, (56) [2023-12-02 18:57:13,661 INFO L276 IsEmpty]: Start isEmpty. Operand 752 states and 1040 transitions. [2023-12-02 18:57:13,662 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2023-12-02 18:57:13,662 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 18:57:13,662 INFO L195 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 18:57:13,672 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7680e8c5-c7a9-4a18-aa9d-8b20008de08d/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Ended with exit code 0 [2023-12-02 18:57:13,871 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7680e8c5-c7a9-4a18-aa9d-8b20008de08d/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (22)] Forceful destruction successful, exit code 0 [2023-12-02 18:57:14,070 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7680e8c5-c7a9-4a18-aa9d-8b20008de08d/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt (23)] Forceful destruction successful, exit code 0 [2023-12-02 18:57:14,263 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 24 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7680e8c5-c7a9-4a18-aa9d-8b20008de08d/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true,22 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7680e8c5-c7a9-4a18-aa9d-8b20008de08d/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3,23 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7680e8c5-c7a9-4a18-aa9d-8b20008de08d/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt [2023-12-02 18:57:14,263 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 18:57:14,264 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 18:57:14,264 INFO L85 PathProgramCache]: Analyzing trace with hash -1734416544, now seen corresponding path program 1 times [2023-12-02 18:57:14,264 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-12-02 18:57:14,264 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [118664666] [2023-12-02 18:57:14,264 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 18:57:14,264 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-02 18:57:14,264 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7680e8c5-c7a9-4a18-aa9d-8b20008de08d/bin/utaipan-verify-nQ1chXbOIh/mathsat [2023-12-02 18:57:14,265 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7680e8c5-c7a9-4a18-aa9d-8b20008de08d/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-02 18:57:14,266 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7680e8c5-c7a9-4a18-aa9d-8b20008de08d/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (25)] Waiting until timeout for monitored process [2023-12-02 18:57:14,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 18:57:14,832 INFO L262 TraceCheckSpWp]: Trace formula consists of 342 conjuncts, 39 conjunts are in the unsatisfiable core [2023-12-02 18:57:14,838 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 18:57:14,878 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-12-02 18:57:14,879 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 [2023-12-02 18:57:15,275 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-12-02 18:57:15,275 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 [2023-12-02 18:57:15,504 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-12-02 18:57:15,504 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 [2023-12-02 18:57:15,768 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-12-02 18:57:15,769 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 51 treesize of output 27 [2023-12-02 18:57:15,987 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-12-02 18:57:15,988 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 41 treesize of output 47 [2023-12-02 18:57:18,442 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-12-02 18:57:18,443 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 73 [2023-12-02 18:57:23,099 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-12-02 18:57:23,099 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 91 treesize of output 79 [2023-12-02 18:57:23,539 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-12-02 18:57:23,540 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 [2023-12-02 18:57:24,159 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-12-02 18:57:24,160 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 [2023-12-02 18:57:25,022 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-12-02 18:57:25,022 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 [2023-12-02 18:57:25,721 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-12-02 18:57:25,721 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 [2023-12-02 18:57:26,809 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-12-02 18:57:26,809 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 106 [2023-12-02 18:57:27,338 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 28 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 95 treesize of output 106 [2023-12-02 18:57:27,743 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-12-02 18:57:27,744 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 92 treesize of output 38 [2023-12-02 18:57:27,828 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 488 proven. 0 refuted. 0 times theorem prover too weak. 196 trivial. 0 not checked. [2023-12-02 18:57:27,828 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-02 18:57:27,828 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-12-02 18:57:27,828 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [118664666] [2023-12-02 18:57:27,828 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [118664666] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 18:57:27,828 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 18:57:27,828 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2023-12-02 18:57:27,828 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1552932674] [2023-12-02 18:57:27,828 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 18:57:27,829 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-12-02 18:57:27,829 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-12-02 18:57:27,829 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-12-02 18:57:27,829 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=110, Unknown=3, NotChecked=0, Total=156 [2023-12-02 18:57:27,829 INFO L87 Difference]: Start difference. First operand 752 states and 1040 transitions. Second operand has 13 states, 13 states have (on average 6.076923076923077) internal successors, (79), 12 states have internal predecessors, (79), 4 states have call successors, (19), 4 states have call predecessors, (19), 4 states have return successors, (19), 4 states have call predecessors, (19), 4 states have call successors, (19) [2023-12-02 18:57:34,823 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.19s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-02 18:57:38,032 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.18s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 18:57:38,280 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 18:57:38,280 INFO L93 Difference]: Finished difference Result 1504 states and 2101 transitions. [2023-12-02 18:57:38,282 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-02 18:57:38,282 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 6.076923076923077) internal successors, (79), 12 states have internal predecessors, (79), 4 states have call successors, (19), 4 states have call predecessors, (19), 4 states have return successors, (19), 4 states have call predecessors, (19), 4 states have call successors, (19) Word has length 162 [2023-12-02 18:57:38,282 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 18:57:38,287 INFO L225 Difference]: With dead ends: 1504 [2023-12-02 18:57:38,287 INFO L226 Difference]: Without dead ends: 878 [2023-12-02 18:57:38,288 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 166 GetRequests, 150 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 7.6s TimeCoverageRelationStatistics Valid=97, Invalid=206, Unknown=3, NotChecked=0, Total=306 [2023-12-02 18:57:38,289 INFO L413 NwaCegarLoop]: 142 mSDtfsCounter, 254 mSDsluCounter, 587 mSDsCounter, 0 mSdLazyCounter, 910 mSolverCounterSat, 28 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 254 SdHoareTripleChecker+Valid, 729 SdHoareTripleChecker+Invalid, 938 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 28 IncrementalHoareTripleChecker+Valid, 910 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.7s IncrementalHoareTripleChecker+Time [2023-12-02 18:57:38,289 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [254 Valid, 729 Invalid, 938 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [28 Valid, 910 Invalid, 0 Unknown, 0 Unchecked, 9.7s Time] [2023-12-02 18:57:38,290 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 878 states. [2023-12-02 18:57:38,479 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 878 to 862. [2023-12-02 18:57:38,481 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 862 states, 717 states have (on average 1.3110181311018132) internal successors, (940), 720 states have internal predecessors, (940), 128 states have call successors, (128), 16 states have call predecessors, (128), 16 states have return successors, (128), 125 states have call predecessors, (128), 128 states have call successors, (128) [2023-12-02 18:57:38,484 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 862 states to 862 states and 1196 transitions. [2023-12-02 18:57:38,484 INFO L78 Accepts]: Start accepts. Automaton has 862 states and 1196 transitions. Word has length 162 [2023-12-02 18:57:38,484 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 18:57:38,485 INFO L495 AbstractCegarLoop]: Abstraction has 862 states and 1196 transitions. [2023-12-02 18:57:38,485 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 6.076923076923077) internal successors, (79), 12 states have internal predecessors, (79), 4 states have call successors, (19), 4 states have call predecessors, (19), 4 states have return successors, (19), 4 states have call predecessors, (19), 4 states have call successors, (19) [2023-12-02 18:57:38,485 INFO L276 IsEmpty]: Start isEmpty. Operand 862 states and 1196 transitions. [2023-12-02 18:57:38,486 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2023-12-02 18:57:38,486 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 18:57:38,486 INFO L195 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 18:57:38,500 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7680e8c5-c7a9-4a18-aa9d-8b20008de08d/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (25)] Forceful destruction successful, exit code 0 [2023-12-02 18:57:38,686 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 25 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7680e8c5-c7a9-4a18-aa9d-8b20008de08d/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-02 18:57:38,686 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 18:57:38,687 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 18:57:38,687 INFO L85 PathProgramCache]: Analyzing trace with hash 2139755201, now seen corresponding path program 1 times [2023-12-02 18:57:38,687 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-12-02 18:57:38,687 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1666751191] [2023-12-02 18:57:38,687 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 18:57:38,688 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-02 18:57:38,688 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7680e8c5-c7a9-4a18-aa9d-8b20008de08d/bin/utaipan-verify-nQ1chXbOIh/mathsat [2023-12-02 18:57:38,688 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7680e8c5-c7a9-4a18-aa9d-8b20008de08d/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-02 18:57:38,689 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7680e8c5-c7a9-4a18-aa9d-8b20008de08d/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (26)] Waiting until timeout for monitored process [2023-12-02 18:57:39,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 18:57:39,097 INFO L262 TraceCheckSpWp]: Trace formula consists of 341 conjuncts, 34 conjunts are in the unsatisfiable core [2023-12-02 18:57:39,103 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 18:57:39,136 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-12-02 18:57:39,136 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 [2023-12-02 18:57:39,553 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-12-02 18:57:39,553 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 [2023-12-02 18:57:39,795 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-12-02 18:57:39,795 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 [2023-12-02 18:57:40,039 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-12-02 18:57:40,039 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 61 treesize of output 40 [2023-12-02 18:57:40,278 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-12-02 18:57:40,278 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 61 treesize of output 40 [2023-12-02 18:57:40,502 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-12-02 18:57:40,502 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 60 [2023-12-02 18:57:42,954 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-12-02 18:57:42,955 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 76 treesize of output 76 [2023-12-02 18:57:47,384 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-12-02 18:57:47,385 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 [2023-12-02 18:57:48,090 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-12-02 18:57:48,090 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 85 treesize of output 102 [2023-12-02 18:57:48,870 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-12-02 18:57:48,871 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 95 treesize of output 115 [2023-12-02 18:57:49,791 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-12-02 18:57:49,791 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 110 treesize of output 118 [2023-12-02 18:57:50,617 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-12-02 18:57:50,617 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 110 treesize of output 118 [2023-12-02 18:57:51,165 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 36 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 104 treesize of output 118 [2023-12-02 18:57:51,553 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 508 proven. 0 refuted. 0 times theorem prover too weak. 176 trivial. 0 not checked. [2023-12-02 18:57:51,553 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-02 18:57:51,553 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-12-02 18:57:51,553 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1666751191] [2023-12-02 18:57:51,553 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1666751191] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 18:57:51,553 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 18:57:51,553 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2023-12-02 18:57:51,553 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1359517809] [2023-12-02 18:57:51,553 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 18:57:51,554 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-12-02 18:57:51,554 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-12-02 18:57:51,554 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-12-02 18:57:51,554 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=85, Unknown=3, NotChecked=0, Total=132 [2023-12-02 18:57:51,555 INFO L87 Difference]: Start difference. First operand 862 states and 1196 transitions. Second operand has 12 states, 12 states have (on average 7.083333333333333) internal successors, (85), 11 states have internal predecessors, (85), 6 states have call successors, (19), 6 states have call predecessors, (19), 6 states have return successors, (19), 6 states have call predecessors, (19), 6 states have call successors, (19) [2023-12-02 18:57:58,853 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 18:57:58,854 INFO L93 Difference]: Finished difference Result 1606 states and 2244 transitions. [2023-12-02 18:57:58,854 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-12-02 18:57:58,855 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 7.083333333333333) internal successors, (85), 11 states have internal predecessors, (85), 6 states have call successors, (19), 6 states have call predecessors, (19), 6 states have return successors, (19), 6 states have call predecessors, (19), 6 states have call successors, (19) Word has length 162 [2023-12-02 18:57:58,855 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 18:57:58,860 INFO L225 Difference]: With dead ends: 1606 [2023-12-02 18:57:58,860 INFO L226 Difference]: Without dead ends: 870 [2023-12-02 18:57:58,861 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 164 GetRequests, 151 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 7.2s TimeCoverageRelationStatistics Valid=76, Invalid=131, Unknown=3, NotChecked=0, Total=210 [2023-12-02 18:57:58,862 INFO L413 NwaCegarLoop]: 89 mSDtfsCounter, 217 mSDsluCounter, 443 mSDsCounter, 0 mSdLazyCounter, 592 mSolverCounterSat, 54 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 217 SdHoareTripleChecker+Valid, 532 SdHoareTripleChecker+Invalid, 646 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 54 IncrementalHoareTripleChecker+Valid, 592 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.8s IncrementalHoareTripleChecker+Time [2023-12-02 18:57:58,862 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [217 Valid, 532 Invalid, 646 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [54 Valid, 592 Invalid, 0 Unknown, 0 Unchecked, 6.8s Time] [2023-12-02 18:57:58,863 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 870 states. [2023-12-02 18:57:59,023 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 870 to 862. [2023-12-02 18:57:59,024 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 862 states, 717 states have (on average 1.306834030683403) internal successors, (937), 720 states have internal predecessors, (937), 128 states have call successors, (128), 16 states have call predecessors, (128), 16 states have return successors, (128), 125 states have call predecessors, (128), 128 states have call successors, (128) [2023-12-02 18:57:59,027 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 862 states to 862 states and 1193 transitions. [2023-12-02 18:57:59,027 INFO L78 Accepts]: Start accepts. Automaton has 862 states and 1193 transitions. Word has length 162 [2023-12-02 18:57:59,027 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 18:57:59,028 INFO L495 AbstractCegarLoop]: Abstraction has 862 states and 1193 transitions. [2023-12-02 18:57:59,028 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 7.083333333333333) internal successors, (85), 11 states have internal predecessors, (85), 6 states have call successors, (19), 6 states have call predecessors, (19), 6 states have return successors, (19), 6 states have call predecessors, (19), 6 states have call successors, (19) [2023-12-02 18:57:59,028 INFO L276 IsEmpty]: Start isEmpty. Operand 862 states and 1193 transitions. [2023-12-02 18:57:59,029 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2023-12-02 18:57:59,029 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 18:57:59,029 INFO L195 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 18:57:59,038 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7680e8c5-c7a9-4a18-aa9d-8b20008de08d/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (26)] Ended with exit code 0 [2023-12-02 18:57:59,229 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 26 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7680e8c5-c7a9-4a18-aa9d-8b20008de08d/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-02 18:57:59,230 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 18:57:59,230 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 18:57:59,230 INFO L85 PathProgramCache]: Analyzing trace with hash 145610495, now seen corresponding path program 1 times [2023-12-02 18:57:59,230 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-12-02 18:57:59,231 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [439798545] [2023-12-02 18:57:59,231 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 18:57:59,231 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-02 18:57:59,231 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7680e8c5-c7a9-4a18-aa9d-8b20008de08d/bin/utaipan-verify-nQ1chXbOIh/mathsat [2023-12-02 18:57:59,232 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7680e8c5-c7a9-4a18-aa9d-8b20008de08d/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-02 18:57:59,232 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7680e8c5-c7a9-4a18-aa9d-8b20008de08d/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (27)] Waiting until timeout for monitored process [2023-12-02 18:57:59,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 18:57:59,532 INFO L262 TraceCheckSpWp]: Trace formula consists of 341 conjuncts, 8 conjunts are in the unsatisfiable core [2023-12-02 18:57:59,535 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 18:57:59,543 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 11 treesize of output 7 [2023-12-02 18:57:59,599 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2023-12-02 18:57:59,599 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-02 18:57:59,599 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-12-02 18:57:59,599 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [439798545] [2023-12-02 18:57:59,599 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [439798545] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 18:57:59,599 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 18:57:59,600 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-12-02 18:57:59,600 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1574336427] [2023-12-02 18:57:59,600 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 18:57:59,600 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-12-02 18:57:59,600 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-12-02 18:57:59,601 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-12-02 18:57:59,601 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-12-02 18:57:59,601 INFO L87 Difference]: Start difference. First operand 862 states and 1193 transitions. Second operand has 6 states, 6 states have (on average 11.666666666666666) internal successors, (70), 6 states have internal predecessors, (70), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2023-12-02 18:58:05,036 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.32s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 18:58:05,847 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 18:58:05,847 INFO L93 Difference]: Finished difference Result 2636 states and 3703 transitions. [2023-12-02 18:58:05,848 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-12-02 18:58:05,848 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 11.666666666666666) internal successors, (70), 6 states have internal predecessors, (70), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) Word has length 162 [2023-12-02 18:58:05,849 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 18:58:05,858 INFO L225 Difference]: With dead ends: 2636 [2023-12-02 18:58:05,858 INFO L226 Difference]: Without dead ends: 1900 [2023-12-02 18:58:05,860 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 168 GetRequests, 157 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=52, Invalid=104, Unknown=0, NotChecked=0, Total=156 [2023-12-02 18:58:05,861 INFO L413 NwaCegarLoop]: 243 mSDtfsCounter, 253 mSDsluCounter, 736 mSDsCounter, 0 mSdLazyCounter, 449 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 253 SdHoareTripleChecker+Valid, 979 SdHoareTripleChecker+Invalid, 468 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 449 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.9s IncrementalHoareTripleChecker+Time [2023-12-02 18:58:05,861 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [253 Valid, 979 Invalid, 468 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 449 Invalid, 0 Unknown, 0 Unchecked, 5.9s Time] [2023-12-02 18:58:05,863 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1900 states. [2023-12-02 18:58:06,138 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1900 to 1471. [2023-12-02 18:58:06,141 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1471 states, 1230 states have (on average 1.310569105691057) internal successors, (1612), 1236 states have internal predecessors, (1612), 218 states have call successors, (218), 22 states have call predecessors, (218), 22 states have return successors, (218), 212 states have call predecessors, (218), 218 states have call successors, (218) [2023-12-02 18:58:06,148 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1471 states to 1471 states and 2048 transitions. [2023-12-02 18:58:06,148 INFO L78 Accepts]: Start accepts. Automaton has 1471 states and 2048 transitions. Word has length 162 [2023-12-02 18:58:06,148 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 18:58:06,149 INFO L495 AbstractCegarLoop]: Abstraction has 1471 states and 2048 transitions. [2023-12-02 18:58:06,149 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 11.666666666666666) internal successors, (70), 6 states have internal predecessors, (70), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2023-12-02 18:58:06,149 INFO L276 IsEmpty]: Start isEmpty. Operand 1471 states and 2048 transitions. [2023-12-02 18:58:06,150 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2023-12-02 18:58:06,151 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 18:58:06,151 INFO L195 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 18:58:06,162 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7680e8c5-c7a9-4a18-aa9d-8b20008de08d/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (27)] Forceful destruction successful, exit code 0 [2023-12-02 18:58:06,351 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 27 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7680e8c5-c7a9-4a18-aa9d-8b20008de08d/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-02 18:58:06,351 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 18:58:06,352 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 18:58:06,352 INFO L85 PathProgramCache]: Analyzing trace with hash 732416509, now seen corresponding path program 1 times [2023-12-02 18:58:06,352 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-12-02 18:58:06,353 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [11846615] [2023-12-02 18:58:06,353 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 18:58:06,353 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-02 18:58:06,353 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7680e8c5-c7a9-4a18-aa9d-8b20008de08d/bin/utaipan-verify-nQ1chXbOIh/mathsat [2023-12-02 18:58:06,354 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7680e8c5-c7a9-4a18-aa9d-8b20008de08d/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-02 18:58:06,355 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7680e8c5-c7a9-4a18-aa9d-8b20008de08d/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (28)] Waiting until timeout for monitored process [2023-12-02 18:58:06,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 18:58:06,882 INFO L262 TraceCheckSpWp]: Trace formula consists of 341 conjuncts, 36 conjunts are in the unsatisfiable core [2023-12-02 18:58:06,887 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 18:58:06,916 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-12-02 18:58:06,916 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 [2023-12-02 18:58:07,301 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-12-02 18:58:07,302 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 [2023-12-02 18:58:07,539 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-12-02 18:58:07,540 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 [2023-12-02 18:58:07,798 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-12-02 18:58:07,798 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 61 treesize of output 40 [2023-12-02 18:58:08,041 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-12-02 18:58:08,041 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 61 treesize of output 40 [2023-12-02 18:58:08,284 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-12-02 18:58:08,285 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 56 treesize of output 50 [2023-12-02 18:58:10,645 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-12-02 18:58:10,646 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 66 treesize of output 63 [2023-12-02 18:58:15,002 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-12-02 18:58:15,002 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 [2023-12-02 18:58:15,424 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-12-02 18:58:15,425 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 [2023-12-02 18:58:15,816 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-12-02 18:58:15,817 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 [2023-12-02 18:58:16,402 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-12-02 18:58:16,402 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 [2023-12-02 18:58:16,909 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-12-02 18:58:16,910 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 [2023-12-02 18:58:17,258 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-12-02 18:58:17,258 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 79