./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-29.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86236d26-c5f9-47a3-8af6-2aed9041f61d/bin/utaipan-verify-nQ1chXbOIh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86236d26-c5f9-47a3-8af6-2aed9041f61d/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_86236d26-c5f9-47a3-8af6-2aed9041f61d/bin/utaipan-verify-nQ1chXbOIh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86236d26-c5f9-47a3-8af6-2aed9041f61d/bin/utaipan-verify-nQ1chXbOIh/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-29.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86236d26-c5f9-47a3-8af6-2aed9041f61d/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_86236d26-c5f9-47a3-8af6-2aed9041f61d/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 337c1d5f4ccd8d503a1da6a7ecae828e4d0fb2dc7151ed949254cfee37da55a9 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 17:33:08,237 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 17:33:08,306 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86236d26-c5f9-47a3-8af6-2aed9041f61d/bin/utaipan-verify-nQ1chXbOIh/config/svcomp-Reach-32bit-Taipan_Default.epf [2023-12-02 17:33:08,310 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-02 17:33:08,311 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-02 17:33:08,336 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 17:33:08,337 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-02 17:33:08,337 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-02 17:33:08,338 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 17:33:08,339 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-02 17:33:08,339 INFO L153 SettingsManager]: * User list type=DISABLED [2023-12-02 17:33:08,340 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-12-02 17:33:08,340 INFO L153 SettingsManager]: * Explicit value domain=true [2023-12-02 17:33:08,341 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-12-02 17:33:08,342 INFO L153 SettingsManager]: * Octagon Domain=false [2023-12-02 17:33:08,342 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-12-02 17:33:08,343 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-12-02 17:33:08,343 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-12-02 17:33:08,344 INFO L153 SettingsManager]: * Interval Domain=false [2023-12-02 17:33:08,345 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-12-02 17:33:08,345 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-12-02 17:33:08,346 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-12-02 17:33:08,347 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 17:33:08,347 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 17:33:08,348 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-02 17:33:08,348 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-02 17:33:08,349 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-02 17:33:08,349 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 17:33:08,350 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 17:33:08,350 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 17:33:08,350 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 17:33:08,351 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-02 17:33:08,351 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 17:33:08,351 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 17:33:08,352 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 17:33:08,352 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-02 17:33:08,352 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-02 17:33:08,353 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 17:33:08,353 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 17:33:08,353 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 17:33:08,353 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 17:33:08,354 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-12-02 17:33:08,354 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-02 17:33:08,354 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-02 17:33:08,355 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 17:33:08,355 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-12-02 17:33:08,355 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-02 17:33:08,355 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_86236d26-c5f9-47a3-8af6-2aed9041f61d/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86236d26-c5f9-47a3-8af6-2aed9041f61d/bin/utaipan-verify-nQ1chXbOIh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 337c1d5f4ccd8d503a1da6a7ecae828e4d0fb2dc7151ed949254cfee37da55a9 [2023-12-02 17:33:08,589 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 17:33:08,612 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 17:33:08,615 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 17:33:08,617 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 17:33:08,617 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 17:33:08,619 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86236d26-c5f9-47a3-8af6-2aed9041f61d/bin/utaipan-verify-nQ1chXbOIh/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-29.i [2023-12-02 17:33:11,508 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 17:33:11,696 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 17:33:11,696 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86236d26-c5f9-47a3-8af6-2aed9041f61d/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-29.i [2023-12-02 17:33:11,705 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86236d26-c5f9-47a3-8af6-2aed9041f61d/bin/utaipan-verify-nQ1chXbOIh/data/1f35fd552/93730cf90b674c8db147231ad405ec1a/FLAGed5f50f8a [2023-12-02 17:33:11,717 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86236d26-c5f9-47a3-8af6-2aed9041f61d/bin/utaipan-verify-nQ1chXbOIh/data/1f35fd552/93730cf90b674c8db147231ad405ec1a [2023-12-02 17:33:11,720 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 17:33:11,721 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 17:33:11,722 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 17:33:11,722 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 17:33:11,726 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 17:33:11,727 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 05:33:11" (1/1) ... [2023-12-02 17:33:11,728 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@12849f35 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:33:11, skipping insertion in model container [2023-12-02 17:33:11,728 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 05:33:11" (1/1) ... [2023-12-02 17:33:11,753 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 17:33:11,876 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_86236d26-c5f9-47a3-8af6-2aed9041f61d/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-29.i[916,929] [2023-12-02 17:33:11,928 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 17:33:11,940 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 17:33:11,950 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_86236d26-c5f9-47a3-8af6-2aed9041f61d/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-29.i[916,929] [2023-12-02 17:33:11,988 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 17:33:12,010 INFO L206 MainTranslator]: Completed translation [2023-12-02 17:33:12,010 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:33:12 WrapperNode [2023-12-02 17:33:12,010 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 17:33:12,012 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 17:33:12,012 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 17:33:12,012 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 17:33:12,020 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:33:12" (1/1) ... [2023-12-02 17:33:12,051 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:33:12" (1/1) ... [2023-12-02 17:33:12,108 INFO L138 Inliner]: procedures = 29, calls = 129, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 367 [2023-12-02 17:33:12,108 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 17:33:12,109 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 17:33:12,109 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 17:33:12,110 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 17:33:12,119 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:33:12" (1/1) ... [2023-12-02 17:33:12,120 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:33:12" (1/1) ... [2023-12-02 17:33:12,130 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:33:12" (1/1) ... [2023-12-02 17:33:12,130 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:33:12" (1/1) ... [2023-12-02 17:33:12,148 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:33:12" (1/1) ... [2023-12-02 17:33:12,152 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:33:12" (1/1) ... [2023-12-02 17:33:12,159 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:33:12" (1/1) ... [2023-12-02 17:33:12,161 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:33:12" (1/1) ... [2023-12-02 17:33:12,167 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 17:33:12,168 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 17:33:12,168 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 17:33:12,169 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 17:33:12,169 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:33:12" (1/1) ... [2023-12-02 17:33:12,176 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 17:33:12,189 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86236d26-c5f9-47a3-8af6-2aed9041f61d/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 17:33:12,219 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86236d26-c5f9-47a3-8af6-2aed9041f61d/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-12-02 17:33:12,222 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86236d26-c5f9-47a3-8af6-2aed9041f61d/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-12-02 17:33:12,252 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 17:33:12,252 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2023-12-02 17:33:12,252 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-12-02 17:33:12,252 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2023-12-02 17:33:12,252 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-12-02 17:33:12,253 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real [2023-12-02 17:33:12,253 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-12-02 17:33:12,253 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-12-02 17:33:12,253 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-02 17:33:12,253 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 17:33:12,254 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 17:33:12,345 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 17:33:12,347 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 17:33:12,755 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 17:33:13,292 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 17:33:13,292 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-02 17:33:13,294 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 05:33:13 BoogieIcfgContainer [2023-12-02 17:33:13,294 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 17:33:13,297 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-02 17:33:13,297 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-02 17:33:13,301 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-02 17:33:13,301 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 05:33:11" (1/3) ... [2023-12-02 17:33:13,302 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3e894106 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 05:33:13, skipping insertion in model container [2023-12-02 17:33:13,302 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:33:12" (2/3) ... [2023-12-02 17:33:13,302 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3e894106 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 05:33:13, skipping insertion in model container [2023-12-02 17:33:13,302 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 05:33:13" (3/3) ... [2023-12-02 17:33:13,304 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_wrapper-a_file-29.i [2023-12-02 17:33:13,324 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-02 17:33:13,324 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-12-02 17:33:13,376 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-02 17:33:13,383 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;@3f89a4e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-02 17:33:13,383 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-12-02 17:33:13,387 INFO L276 IsEmpty]: Start isEmpty. Operand has 21 states, 12 states have (on average 1.25) internal successors, (15), 13 states have internal predecessors, (15), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2023-12-02 17:33:13,393 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-12-02 17:33:13,394 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 17:33:13,394 INFO L195 NwaCegarLoop]: trace histogram [6, 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 17:33:13,395 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 17:33:13,399 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 17:33:13,399 INFO L85 PathProgramCache]: Analyzing trace with hash -720753087, now seen corresponding path program 1 times [2023-12-02 17:33:13,407 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 17:33:13,407 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [263824699] [2023-12-02 17:33:13,407 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 17:33:13,408 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 17:33:14,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 17:33:14,374 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-02 17:33:14,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 17:33:14,723 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2023-12-02 17:33:14,725 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-12-02 17:33:14,726 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-12-02 17:33:14,728 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-12-02 17:33:14,731 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-12-02 17:33:14,736 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-12-02 17:33:14,764 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem40 could not be translated [2023-12-02 17:33:14,765 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem40 could not be translated [2023-12-02 17:33:14,766 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem41 could not be translated [2023-12-02 17:33:14,766 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem41 could not be translated [2023-12-02 17:33:14,767 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short48 could not be translated [2023-12-02 17:33:14,767 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem43 could not be translated [2023-12-02 17:33:14,767 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem47 could not be translated [2023-12-02 17:33:14,767 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem44 could not be translated [2023-12-02 17:33:14,767 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short49 could not be translated [2023-12-02 17:33:14,767 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem46 could not be translated [2023-12-02 17:33:14,767 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short45 could not be translated [2023-12-02 17:33:14,768 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short48 could not be translated [2023-12-02 17:33:14,768 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem44 could not be translated [2023-12-02 17:33:14,768 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem47 could not be translated [2023-12-02 17:33:14,768 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short45 could not be translated [2023-12-02 17:33:14,768 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem43 could not be translated [2023-12-02 17:33:14,768 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short49 could not be translated [2023-12-02 17:33:14,768 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem46 could not be translated [2023-12-02 17:33:14,769 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short53 could not be translated [2023-12-02 17:33:14,769 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem51 could not be translated [2023-12-02 17:33:14,769 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem55 could not be translated [2023-12-02 17:33:14,769 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem52 could not be translated [2023-12-02 17:33:14,769 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem54 could not be translated [2023-12-02 17:33:14,769 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short57 could not be translated [2023-12-02 17:33:14,769 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short56 could not be translated [2023-12-02 17:33:14,770 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem51 could not be translated [2023-12-02 17:33:14,770 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem54 could not be translated [2023-12-02 17:33:14,770 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem52 could not be translated [2023-12-02 17:33:14,770 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short56 could not be translated [2023-12-02 17:33:14,770 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem55 could not be translated [2023-12-02 17:33:14,770 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short53 could not be translated [2023-12-02 17:33:14,771 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short57 could not be translated [2023-12-02 17:33:14,771 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem59 could not be translated [2023-12-02 17:33:14,772 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem59 could not be translated [2023-12-02 17:33:14,772 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem60 could not be translated [2023-12-02 17:33:14,772 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem60 could not be translated [2023-12-02 17:33:14,785 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.12 05:33:14 BoogieIcfgContainer [2023-12-02 17:33:14,786 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-12-02 17:33:14,786 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-12-02 17:33:14,787 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-12-02 17:33:14,787 INFO L274 PluginConnector]: Witness Printer initialized [2023-12-02 17:33:14,787 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 05:33:13" (3/4) ... [2023-12-02 17:33:14,790 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-12-02 17:33:14,791 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-12-02 17:33:14,792 INFO L158 Benchmark]: Toolchain (without parser) took 3071.03ms. Allocated memory was 142.6MB in the beginning and 199.2MB in the end (delta: 56.6MB). Free memory was 97.1MB in the beginning and 90.7MB in the end (delta: 6.5MB). Peak memory consumption was 64.8MB. Max. memory is 16.1GB. [2023-12-02 17:33:14,793 INFO L158 Benchmark]: CDTParser took 0.26ms. Allocated memory is still 104.9MB. Free memory is still 57.4MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 17:33:14,793 INFO L158 Benchmark]: CACSL2BoogieTranslator took 288.78ms. Allocated memory is still 142.6MB. Free memory was 96.7MB in the beginning and 83.5MB in the end (delta: 13.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-12-02 17:33:14,794 INFO L158 Benchmark]: Boogie Procedure Inliner took 97.05ms. Allocated memory is still 142.6MB. Free memory was 83.1MB in the beginning and 79.7MB in the end (delta: 3.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-12-02 17:33:14,794 INFO L158 Benchmark]: Boogie Preprocessor took 58.05ms. Allocated memory is still 142.6MB. Free memory was 79.7MB in the beginning and 76.4MB in the end (delta: 3.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-12-02 17:33:14,795 INFO L158 Benchmark]: RCFGBuilder took 1126.34ms. Allocated memory was 142.6MB in the beginning and 199.2MB in the end (delta: 56.6MB). Free memory was 76.4MB in the beginning and 151.9MB in the end (delta: -75.5MB). Peak memory consumption was 43.4MB. Max. memory is 16.1GB. [2023-12-02 17:33:14,796 INFO L158 Benchmark]: TraceAbstraction took 1488.76ms. Allocated memory is still 199.2MB. Free memory was 151.9MB in the beginning and 91.7MB in the end (delta: 60.2MB). Peak memory consumption was 99.0MB. Max. memory is 16.1GB. [2023-12-02 17:33:14,797 INFO L158 Benchmark]: Witness Printer took 4.69ms. Allocated memory is still 199.2MB. Free memory was 91.7MB in the beginning and 90.7MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-02 17:33:14,800 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26ms. Allocated memory is still 104.9MB. Free memory is still 57.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 288.78ms. Allocated memory is still 142.6MB. Free memory was 96.7MB in the beginning and 83.5MB in the end (delta: 13.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 97.05ms. Allocated memory is still 142.6MB. Free memory was 83.1MB in the beginning and 79.7MB in the end (delta: 3.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 58.05ms. Allocated memory is still 142.6MB. Free memory was 79.7MB in the beginning and 76.4MB in the end (delta: 3.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 1126.34ms. Allocated memory was 142.6MB in the beginning and 199.2MB in the end (delta: 56.6MB). Free memory was 76.4MB in the beginning and 151.9MB in the end (delta: -75.5MB). Peak memory consumption was 43.4MB. Max. memory is 16.1GB. * TraceAbstraction took 1488.76ms. Allocated memory is still 199.2MB. Free memory was 151.9MB in the beginning and 91.7MB in the end (delta: 60.2MB). Peak memory consumption was 99.0MB. Max. memory is 16.1GB. * Witness Printer took 4.69ms. Allocated memory is still 199.2MB. Free memory was 91.7MB in the beginning and 90.7MB 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~mem40 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem40 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem41 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem41 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short48 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem43 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem47 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem44 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short49 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem46 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short45 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short48 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem44 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem47 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short45 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem43 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short49 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem46 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short53 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem51 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem55 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem52 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem54 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short57 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short56 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem51 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem54 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem52 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short56 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem55 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short53 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short57 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem59 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem59 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem60 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem60 could not be translated - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 42, overapproximation of someBinaryDOUBLEComparisonOperation at line 46, overapproximation of someUnaryFLOAToperation at line 43. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22-L24] unsigned char BOOL_unsigned_char_Array_0[2] = { 1, 1 }; [L25-L27] float float_Array_0[3] = { 3.4, 9.3, 2.5 }; [L28-L30] unsigned char unsigned_char_Array_0[3] = { 8, 5, 8 }; [L31-L33] unsigned short int unsigned_short_int_Array_0[2] = { 1, 32 }; [L82] isInitial = 1 [L83] FCALL initially() [L84] COND TRUE 1 [L85] FCALL updateLastVariables() [L86] CALL updateVariables() [L64] BOOL_unsigned_char_Array_0[1] = __VERIFIER_nondet_uchar() [L65] EXPR BOOL_unsigned_char_Array_0[1] VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, unsigned_char_Array_0={6:0}, unsigned_short_int_Array_0={7:0}] [L65] CALL assume_abort_if_not(BOOL_unsigned_char_Array_0[1] >= 1) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, float_Array_0={5:0}, isInitial=1, unsigned_char_Array_0={6:0}, unsigned_short_int_Array_0={7:0}] [L20] COND FALSE !(!cond) [L65] RET assume_abort_if_not(BOOL_unsigned_char_Array_0[1] >= 1) VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, unsigned_char_Array_0={6:0}, unsigned_short_int_Array_0={7:0}] [L66] EXPR BOOL_unsigned_char_Array_0[1] VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, unsigned_char_Array_0={6:0}, unsigned_short_int_Array_0={7:0}] [L66] CALL assume_abort_if_not(BOOL_unsigned_char_Array_0[1] <= 1) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, float_Array_0={5:0}, isInitial=1, unsigned_char_Array_0={6:0}, unsigned_short_int_Array_0={7:0}] [L20] COND FALSE !(!cond) [L66] RET assume_abort_if_not(BOOL_unsigned_char_Array_0[1] <= 1) VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, unsigned_char_Array_0={6:0}, unsigned_short_int_Array_0={7:0}] [L67] float_Array_0[0] = __VERIFIER_nondet_float() [L68] EXPR float_Array_0[0] [L68] EXPR float_Array_0[0] >= -922337.2036854776000e+13F && float_Array_0[0] <= -1.0e-20F [L68] EXPR float_Array_0[0] [L68] EXPR float_Array_0[0] >= -922337.2036854776000e+13F && float_Array_0[0] <= -1.0e-20F [L68] EXPR (float_Array_0[0] >= -922337.2036854776000e+13F && float_Array_0[0] <= -1.0e-20F) || (float_Array_0[0] <= 9223372.036854776000e+12F && float_Array_0[0] >= 1.0e-20F ) VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, unsigned_char_Array_0={6:0}, unsigned_short_int_Array_0={7:0}] [L68] CALL assume_abort_if_not((float_Array_0[0] >= -922337.2036854776000e+13F && float_Array_0[0] <= -1.0e-20F) || (float_Array_0[0] <= 9223372.036854776000e+12F && float_Array_0[0] >= 1.0e-20F )) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, float_Array_0={5:0}, isInitial=1, unsigned_char_Array_0={6:0}, unsigned_short_int_Array_0={7:0}] [L20] COND FALSE !(!cond) [L68] RET assume_abort_if_not((float_Array_0[0] >= -922337.2036854776000e+13F && float_Array_0[0] <= -1.0e-20F) || (float_Array_0[0] <= 9223372.036854776000e+12F && float_Array_0[0] >= 1.0e-20F )) VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, unsigned_char_Array_0={6:0}, unsigned_short_int_Array_0={7:0}] [L69] float_Array_0[1] = __VERIFIER_nondet_float() [L70] EXPR float_Array_0[1] [L70] EXPR float_Array_0[1] >= -922337.2036854765600e+13F && float_Array_0[1] <= -1.0e-20F [L70] EXPR float_Array_0[1] [L70] EXPR float_Array_0[1] >= -922337.2036854765600e+13F && float_Array_0[1] <= -1.0e-20F [L70] EXPR (float_Array_0[1] >= -922337.2036854765600e+13F && float_Array_0[1] <= -1.0e-20F) || (float_Array_0[1] <= 9223372.036854765600e+12F && float_Array_0[1] >= 1.0e-20F ) VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, unsigned_char_Array_0={6:0}, unsigned_short_int_Array_0={7:0}] [L70] CALL assume_abort_if_not((float_Array_0[1] >= -922337.2036854765600e+13F && float_Array_0[1] <= -1.0e-20F) || (float_Array_0[1] <= 9223372.036854765600e+12F && float_Array_0[1] >= 1.0e-20F )) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, float_Array_0={5:0}, isInitial=1, unsigned_char_Array_0={6:0}, unsigned_short_int_Array_0={7:0}] [L20] COND FALSE !(!cond) [L70] RET assume_abort_if_not((float_Array_0[1] >= -922337.2036854765600e+13F && float_Array_0[1] <= -1.0e-20F) || (float_Array_0[1] <= 9223372.036854765600e+12F && float_Array_0[1] >= 1.0e-20F )) VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, unsigned_char_Array_0={6:0}, unsigned_short_int_Array_0={7:0}] [L71] unsigned_char_Array_0[1] = __VERIFIER_nondet_uchar() [L72] EXPR unsigned_char_Array_0[1] VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, unsigned_char_Array_0={6:0}, unsigned_short_int_Array_0={7:0}] [L72] CALL assume_abort_if_not(unsigned_char_Array_0[1] >= 0) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, float_Array_0={5:0}, isInitial=1, unsigned_char_Array_0={6:0}, unsigned_short_int_Array_0={7:0}] [L20] COND FALSE !(!cond) [L72] RET assume_abort_if_not(unsigned_char_Array_0[1] >= 0) VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, unsigned_char_Array_0={6:0}, unsigned_short_int_Array_0={7:0}] [L73] EXPR unsigned_char_Array_0[1] VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, unsigned_char_Array_0={6:0}, unsigned_short_int_Array_0={7:0}] [L73] CALL assume_abort_if_not(unsigned_char_Array_0[1] <= 254) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, float_Array_0={5:0}, isInitial=1, unsigned_char_Array_0={6:0}, unsigned_short_int_Array_0={7:0}] [L20] COND FALSE !(!cond) [L73] RET assume_abort_if_not(unsigned_char_Array_0[1] <= 254) VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, unsigned_char_Array_0={6:0}, unsigned_short_int_Array_0={7:0}] [L86] RET updateVariables() [L87] CALL step() [L37] EXPR BOOL_unsigned_char_Array_0[1] [L37] BOOL_unsigned_char_Array_0[0] = BOOL_unsigned_char_Array_0[1] [L38] EXPR unsigned_char_Array_0[1] [L38] unsigned_char_Array_0[2] = unsigned_char_Array_0[1] [L39] BOOL_unsigned_char_Array_0[0] [L39] COND TRUE BOOL_unsigned_char_Array_0[0] [L40] EXPR float_Array_0[1] [L40] float_Array_0[2] = float_Array_0[1] [L46] EXPR float_Array_0[2] [L46] EXPR float_Array_0[2] [L46] EXPR float_Array_0[1] [L46] COND FALSE !((float_Array_0[2] + 8.125) > (float_Array_0[2] * float_Array_0[1])) [L49] EXPR unsigned_char_Array_0[2] [L49] unsigned_short_int_Array_0[1] = unsigned_char_Array_0[2] [L51] EXPR unsigned_char_Array_0[2] [L51] signed long int stepLocal_0 = 5 * unsigned_char_Array_0[2]; [L52] EXPR float_Array_0[1] [L52] EXPR float_Array_0[2] [L52] EXPR ((float_Array_0[1]) < (float_Array_0[2])) ? (float_Array_0[1]) : (float_Array_0[2]) [L52] EXPR float_Array_0[1] [L52] EXPR ((float_Array_0[1]) < (float_Array_0[2])) ? (float_Array_0[1]) : (float_Array_0[2]) [L52] EXPR float_Array_0[2] [L52] COND TRUE ((((float_Array_0[1]) < (float_Array_0[2])) ? (float_Array_0[1]) : (float_Array_0[2]))) == float_Array_0[2] [L53] EXPR unsigned_char_Array_0[2] [L53] COND FALSE !(unsigned_char_Array_0[2] > stepLocal_0) [L59] EXPR float_Array_0[2] [L59] EXPR float_Array_0[1] [L59] COND FALSE !(float_Array_0[2] < float_Array_0[1]) [L87] RET step() [L88] CALL, EXPR property() [L78] EXPR BOOL_unsigned_char_Array_0[0] [L78] EXPR BOOL_unsigned_char_Array_0[0] ? (float_Array_0[2] == ((float) float_Array_0[1])) : ((! (float_Array_0[1] < float_Array_0[0])) ? (float_Array_0[2] == ((float) ((((float_Array_0[1]) < 0 ) ? -(float_Array_0[1]) : (float_Array_0[1]))))) : 1) [L78] EXPR float_Array_0[2] [L78] EXPR float_Array_0[1] [L78] EXPR BOOL_unsigned_char_Array_0[0] ? (float_Array_0[2] == ((float) float_Array_0[1])) : ((! (float_Array_0[1] < float_Array_0[0])) ? (float_Array_0[2] == ((float) ((((float_Array_0[1]) < 0 ) ? -(float_Array_0[1]) : (float_Array_0[1]))))) : 1) [L78] EXPR (BOOL_unsigned_char_Array_0[0] ? (float_Array_0[2] == ((float) float_Array_0[1])) : ((! (float_Array_0[1] < float_Array_0[0])) ? (float_Array_0[2] == ((float) ((((float_Array_0[1]) < 0 ) ? -(float_Array_0[1]) : (float_Array_0[1]))))) : 1)) && (((float_Array_0[2] + 8.125) > (float_Array_0[2] * float_Array_0[1])) ? (unsigned_short_int_Array_0[1] == ((unsigned short int) (((((unsigned_char_Array_0[2] + unsigned_char_Array_0[2])) > (unsigned_char_Array_0[2])) ? ((unsigned_char_Array_0[2] + unsigned_char_Array_0[2])) : (unsigned_char_Array_0[2]))))) : (unsigned_short_int_Array_0[1] == ((unsigned short int) unsigned_char_Array_0[2]))) [L78] EXPR ((BOOL_unsigned_char_Array_0[0] ? (float_Array_0[2] == ((float) float_Array_0[1])) : ((! (float_Array_0[1] < float_Array_0[0])) ? (float_Array_0[2] == ((float) ((((float_Array_0[1]) < 0 ) ? -(float_Array_0[1]) : (float_Array_0[1]))))) : 1)) && (((float_Array_0[2] + 8.125) > (float_Array_0[2] * float_Array_0[1])) ? (unsigned_short_int_Array_0[1] == ((unsigned short int) (((((unsigned_char_Array_0[2] + unsigned_char_Array_0[2])) > (unsigned_char_Array_0[2])) ? ((unsigned_char_Array_0[2] + unsigned_char_Array_0[2])) : (unsigned_char_Array_0[2]))))) : (unsigned_short_int_Array_0[1] == ((unsigned short int) unsigned_char_Array_0[2])))) && ((((((float_Array_0[1]) < (float_Array_0[2])) ? (float_Array_0[1]) : (float_Array_0[2]))) == float_Array_0[2]) ? ((unsigned_char_Array_0[2] > (5 * unsigned_char_Array_0[2])) ? ((float_Array_0[2] < (float_Array_0[2] * 256.5f)) ? (unsigned_short_int_Array_0[0] == ((unsigned short int) unsigned_char_Array_0[2])) : 1) : 1) : 1) [L78] EXPR (((BOOL_unsigned_char_Array_0[0] ? (float_Array_0[2] == ((float) float_Array_0[1])) : ((! (float_Array_0[1] < float_Array_0[0])) ? (float_Array_0[2] == ((float) ((((float_Array_0[1]) < 0 ) ? -(float_Array_0[1]) : (float_Array_0[1]))))) : 1)) && (((float_Array_0[2] + 8.125) > (float_Array_0[2] * float_Array_0[1])) ? (unsigned_short_int_Array_0[1] == ((unsigned short int) (((((unsigned_char_Array_0[2] + unsigned_char_Array_0[2])) > (unsigned_char_Array_0[2])) ? ((unsigned_char_Array_0[2] + unsigned_char_Array_0[2])) : (unsigned_char_Array_0[2]))))) : (unsigned_short_int_Array_0[1] == ((unsigned short int) unsigned_char_Array_0[2])))) && ((((((float_Array_0[1]) < (float_Array_0[2])) ? (float_Array_0[1]) : (float_Array_0[2]))) == float_Array_0[2]) ? ((unsigned_char_Array_0[2] > (5 * unsigned_char_Array_0[2])) ? ((float_Array_0[2] < (float_Array_0[2] * 256.5f)) ? (unsigned_short_int_Array_0[0] == ((unsigned short int) unsigned_char_Array_0[2])) : 1) : 1) : 1)) && ((float_Array_0[2] < float_Array_0[1]) ? (unsigned_char_Array_0[0] == ((unsigned char) unsigned_char_Array_0[1])) : 1) [L78] EXPR ((((BOOL_unsigned_char_Array_0[0] ? (float_Array_0[2] == ((float) float_Array_0[1])) : ((! (float_Array_0[1] < float_Array_0[0])) ? (float_Array_0[2] == ((float) ((((float_Array_0[1]) < 0 ) ? -(float_Array_0[1]) : (float_Array_0[1]))))) : 1)) && (((float_Array_0[2] + 8.125) > (float_Array_0[2] * float_Array_0[1])) ? (unsigned_short_int_Array_0[1] == ((unsigned short int) (((((unsigned_char_Array_0[2] + unsigned_char_Array_0[2])) > (unsigned_char_Array_0[2])) ? ((unsigned_char_Array_0[2] + unsigned_char_Array_0[2])) : (unsigned_char_Array_0[2]))))) : (unsigned_short_int_Array_0[1] == ((unsigned short int) unsigned_char_Array_0[2])))) && ((((((float_Array_0[1]) < (float_Array_0[2])) ? (float_Array_0[1]) : (float_Array_0[2]))) == float_Array_0[2]) ? ((unsigned_char_Array_0[2] > (5 * unsigned_char_Array_0[2])) ? ((float_Array_0[2] < (float_Array_0[2] * 256.5f)) ? (unsigned_short_int_Array_0[0] == ((unsigned short int) unsigned_char_Array_0[2])) : 1) : 1) : 1)) && ((float_Array_0[2] < float_Array_0[1]) ? (unsigned_char_Array_0[0] == ((unsigned char) unsigned_char_Array_0[1])) : 1)) && (BOOL_unsigned_char_Array_0[0] == ((unsigned char) BOOL_unsigned_char_Array_0[1])) [L78] EXPR (((((BOOL_unsigned_char_Array_0[0] ? (float_Array_0[2] == ((float) float_Array_0[1])) : ((! (float_Array_0[1] < float_Array_0[0])) ? (float_Array_0[2] == ((float) ((((float_Array_0[1]) < 0 ) ? -(float_Array_0[1]) : (float_Array_0[1]))))) : 1)) && (((float_Array_0[2] + 8.125) > (float_Array_0[2] * float_Array_0[1])) ? (unsigned_short_int_Array_0[1] == ((unsigned short int) (((((unsigned_char_Array_0[2] + unsigned_char_Array_0[2])) > (unsigned_char_Array_0[2])) ? ((unsigned_char_Array_0[2] + unsigned_char_Array_0[2])) : (unsigned_char_Array_0[2]))))) : (unsigned_short_int_Array_0[1] == ((unsigned short int) unsigned_char_Array_0[2])))) && ((((((float_Array_0[1]) < (float_Array_0[2])) ? (float_Array_0[1]) : (float_Array_0[2]))) == float_Array_0[2]) ? ((unsigned_char_Array_0[2] > (5 * unsigned_char_Array_0[2])) ? ((float_Array_0[2] < (float_Array_0[2] * 256.5f)) ? (unsigned_short_int_Array_0[0] == ((unsigned short int) unsigned_char_Array_0[2])) : 1) : 1) : 1)) && ((float_Array_0[2] < float_Array_0[1]) ? (unsigned_char_Array_0[0] == ((unsigned char) unsigned_char_Array_0[1])) : 1)) && (BOOL_unsigned_char_Array_0[0] == ((unsigned char) BOOL_unsigned_char_Array_0[1]))) && (unsigned_char_Array_0[2] == ((unsigned char) unsigned_char_Array_0[1])) [L78-L79] return (((((BOOL_unsigned_char_Array_0[0] ? (float_Array_0[2] == ((float) float_Array_0[1])) : ((! (float_Array_0[1] < float_Array_0[0])) ? (float_Array_0[2] == ((float) ((((float_Array_0[1]) < 0 ) ? -(float_Array_0[1]) : (float_Array_0[1]))))) : 1)) && (((float_Array_0[2] + 8.125) > (float_Array_0[2] * float_Array_0[1])) ? (unsigned_short_int_Array_0[1] == ((unsigned short int) (((((unsigned_char_Array_0[2] + unsigned_char_Array_0[2])) > (unsigned_char_Array_0[2])) ? ((unsigned_char_Array_0[2] + unsigned_char_Array_0[2])) : (unsigned_char_Array_0[2]))))) : (unsigned_short_int_Array_0[1] == ((unsigned short int) unsigned_char_Array_0[2])))) && ((((((float_Array_0[1]) < (float_Array_0[2])) ? (float_Array_0[1]) : (float_Array_0[2]))) == float_Array_0[2]) ? ((unsigned_char_Array_0[2] > (5 * unsigned_char_Array_0[2])) ? ((float_Array_0[2] < (float_Array_0[2] * 256.5f)) ? (unsigned_short_int_Array_0[0] == ((unsigned short int) unsigned_char_Array_0[2])) : 1) : 1) : 1)) && ((float_Array_0[2] < float_Array_0[1]) ? (unsigned_char_Array_0[0] == ((unsigned char) unsigned_char_Array_0[1])) : 1)) && (BOOL_unsigned_char_Array_0[0] == ((unsigned char) BOOL_unsigned_char_Array_0[1]))) && (unsigned_char_Array_0[2] == ((unsigned char) unsigned_char_Array_0[1])) ; [L88] RET, EXPR property() [L88] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=0, cond=0, float_Array_0={5:0}, isInitial=1, unsigned_char_Array_0={6:0}, unsigned_short_int_Array_0={7:0}] [L19] reach_error() VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=0, cond=0, float_Array_0={5:0}, isInitial=1, unsigned_char_Array_0={6:0}, unsigned_short_int_Array_0={7:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 21 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.4s, OverallIterations: 1, TraceHistogramMax: 6, 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=21occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.8s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 28 NumberOfCodeBlocks, 28 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 17:33:14,821 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86236d26-c5f9-47a3-8af6-2aed9041f61d/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-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86236d26-c5f9-47a3-8af6-2aed9041f61d/bin/utaipan-verify-nQ1chXbOIh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86236d26-c5f9-47a3-8af6-2aed9041f61d/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_86236d26-c5f9-47a3-8af6-2aed9041f61d/bin/utaipan-verify-nQ1chXbOIh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86236d26-c5f9-47a3-8af6-2aed9041f61d/bin/utaipan-verify-nQ1chXbOIh/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-29.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86236d26-c5f9-47a3-8af6-2aed9041f61d/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_86236d26-c5f9-47a3-8af6-2aed9041f61d/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 337c1d5f4ccd8d503a1da6a7ecae828e4d0fb2dc7151ed949254cfee37da55a9 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 17:33:16,849 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 17:33:16,924 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86236d26-c5f9-47a3-8af6-2aed9041f61d/bin/utaipan-verify-nQ1chXbOIh/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2023-12-02 17:33:16,929 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-02 17:33:16,930 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-02 17:33:16,958 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 17:33:16,958 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-02 17:33:16,959 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-02 17:33:16,959 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 17:33:16,960 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-02 17:33:16,960 INFO L153 SettingsManager]: * User list type=DISABLED [2023-12-02 17:33:16,961 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-12-02 17:33:16,961 INFO L153 SettingsManager]: * Explicit value domain=true [2023-12-02 17:33:16,962 INFO L153 SettingsManager]: * Octagon Domain=false [2023-12-02 17:33:16,963 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-12-02 17:33:16,963 INFO L153 SettingsManager]: * Interval Domain=false [2023-12-02 17:33:16,964 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 17:33:16,965 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 17:33:16,965 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-02 17:33:16,966 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-02 17:33:16,966 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 17:33:16,967 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 17:33:16,967 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 17:33:16,968 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 17:33:16,968 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-02 17:33:16,969 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-02 17:33:16,969 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-02 17:33:16,969 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-02 17:33:16,970 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 17:33:16,970 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 17:33:16,970 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 17:33:16,971 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-12-02 17:33:16,971 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-02 17:33:16,971 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-02 17:33:16,971 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 17:33:16,972 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 17:33:16,972 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 17:33:16,972 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 17:33:16,972 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-12-02 17:33:16,972 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-02 17:33:16,972 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-02 17:33:16,973 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 17:33:16,973 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-12-02 17:33:16,973 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-02 17:33:16,973 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_86236d26-c5f9-47a3-8af6-2aed9041f61d/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86236d26-c5f9-47a3-8af6-2aed9041f61d/bin/utaipan-verify-nQ1chXbOIh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 337c1d5f4ccd8d503a1da6a7ecae828e4d0fb2dc7151ed949254cfee37da55a9 [2023-12-02 17:33:17,271 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 17:33:17,290 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 17:33:17,293 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 17:33:17,294 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 17:33:17,295 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 17:33:17,296 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86236d26-c5f9-47a3-8af6-2aed9041f61d/bin/utaipan-verify-nQ1chXbOIh/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-29.i [2023-12-02 17:33:20,158 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 17:33:20,369 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 17:33:20,370 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86236d26-c5f9-47a3-8af6-2aed9041f61d/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-29.i [2023-12-02 17:33:20,380 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86236d26-c5f9-47a3-8af6-2aed9041f61d/bin/utaipan-verify-nQ1chXbOIh/data/421fed5f4/8744c73159c94c8cabf032805f84ed4f/FLAG276e783dc [2023-12-02 17:33:20,392 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86236d26-c5f9-47a3-8af6-2aed9041f61d/bin/utaipan-verify-nQ1chXbOIh/data/421fed5f4/8744c73159c94c8cabf032805f84ed4f [2023-12-02 17:33:20,395 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 17:33:20,396 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 17:33:20,398 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 17:33:20,398 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 17:33:20,403 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 17:33:20,404 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 05:33:20" (1/1) ... [2023-12-02 17:33:20,405 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@22b0cd26 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:33:20, skipping insertion in model container [2023-12-02 17:33:20,405 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 05:33:20" (1/1) ... [2023-12-02 17:33:20,437 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 17:33:20,590 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_86236d26-c5f9-47a3-8af6-2aed9041f61d/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-29.i[916,929] [2023-12-02 17:33:20,638 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 17:33:20,655 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 17:33:20,669 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_86236d26-c5f9-47a3-8af6-2aed9041f61d/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-29.i[916,929] [2023-12-02 17:33:20,703 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 17:33:20,724 INFO L206 MainTranslator]: Completed translation [2023-12-02 17:33:20,724 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:33:20 WrapperNode [2023-12-02 17:33:20,724 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 17:33:20,725 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 17:33:20,726 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 17:33:20,726 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 17:33:20,733 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:33:20" (1/1) ... [2023-12-02 17:33:20,750 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:33:20" (1/1) ... [2023-12-02 17:33:20,786 INFO L138 Inliner]: procedures = 33, calls = 129, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 367 [2023-12-02 17:33:20,787 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 17:33:20,788 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 17:33:20,788 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 17:33:20,788 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 17:33:20,797 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:33:20" (1/1) ... [2023-12-02 17:33:20,797 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:33:20" (1/1) ... [2023-12-02 17:33:20,806 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:33:20" (1/1) ... [2023-12-02 17:33:20,806 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:33:20" (1/1) ... [2023-12-02 17:33:20,828 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:33:20" (1/1) ... [2023-12-02 17:33:20,833 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:33:20" (1/1) ... [2023-12-02 17:33:20,837 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:33:20" (1/1) ... [2023-12-02 17:33:20,840 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:33:20" (1/1) ... [2023-12-02 17:33:20,846 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 17:33:20,847 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 17:33:20,847 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 17:33:20,847 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 17:33:20,848 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:33:20" (1/1) ... [2023-12-02 17:33:20,854 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 17:33:20,870 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86236d26-c5f9-47a3-8af6-2aed9041f61d/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 17:33:20,883 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86236d26-c5f9-47a3-8af6-2aed9041f61d/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-12-02 17:33:20,891 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86236d26-c5f9-47a3-8af6-2aed9041f61d/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-12-02 17:33:20,922 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 17:33:20,922 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2023-12-02 17:33:20,922 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2 [2023-12-02 17:33:20,923 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-12-02 17:33:20,923 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2023-12-02 17:33:20,923 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2023-12-02 17:33:20,923 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2023-12-02 17:33:20,923 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4 [2023-12-02 17:33:20,924 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-12-02 17:33:20,924 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-12-02 17:33:20,924 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 17:33:20,924 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 17:33:20,924 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2023-12-02 17:33:20,925 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2023-12-02 17:33:21,064 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 17:33:21,066 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 17:33:29,707 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 17:33:29,760 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 17:33:29,760 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-02 17:33:29,761 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 05:33:29 BoogieIcfgContainer [2023-12-02 17:33:29,761 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 17:33:29,764 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-02 17:33:29,764 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-02 17:33:29,767 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-02 17:33:29,768 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 05:33:20" (1/3) ... [2023-12-02 17:33:29,769 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@74834b56 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 05:33:29, skipping insertion in model container [2023-12-02 17:33:29,769 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:33:20" (2/3) ... [2023-12-02 17:33:29,769 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@74834b56 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 05:33:29, skipping insertion in model container [2023-12-02 17:33:29,770 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 05:33:29" (3/3) ... [2023-12-02 17:33:29,771 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_wrapper-a_file-29.i [2023-12-02 17:33:29,791 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-02 17:33:29,791 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-12-02 17:33:29,833 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-02 17:33:29,838 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;@4a22da72, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-02 17:33:29,839 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-12-02 17:33:29,843 INFO L276 IsEmpty]: Start isEmpty. Operand has 81 states, 72 states have (on average 1.5) internal successors, (108), 73 states have internal predecessors, (108), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2023-12-02 17:33:29,852 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-12-02 17:33:29,853 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 17:33:29,853 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 17:33:29,854 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 17:33:29,859 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 17:33:29,860 INFO L85 PathProgramCache]: Analyzing trace with hash -1846461923, now seen corresponding path program 1 times [2023-12-02 17:33:29,872 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-12-02 17:33:29,873 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [290690250] [2023-12-02 17:33:29,873 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 17:33:29,873 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 17:33:29,873 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86236d26-c5f9-47a3-8af6-2aed9041f61d/bin/utaipan-verify-nQ1chXbOIh/mathsat [2023-12-02 17:33:29,876 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86236d26-c5f9-47a3-8af6-2aed9041f61d/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 17:33:29,890 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86236d26-c5f9-47a3-8af6-2aed9041f61d/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 17:33:30,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 17:33:30,263 INFO L262 TraceCheckSpWp]: Trace formula consists of 173 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-02 17:33:30,284 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 17:33:30,313 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2023-12-02 17:33:30,313 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-02 17:33:30,314 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-12-02 17:33:30,314 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [290690250] [2023-12-02 17:33:30,315 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [290690250] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 17:33:30,315 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 17:33:30,315 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-02 17:33:30,316 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [192306306] [2023-12-02 17:33:30,317 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 17:33:30,321 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-12-02 17:33:30,321 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-12-02 17:33:30,348 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-12-02 17:33:30,349 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-12-02 17:33:30,351 INFO L87 Difference]: Start difference. First operand has 81 states, 72 states have (on average 1.5) internal successors, (108), 73 states have internal predecessors, (108), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) Second operand has 2 states, 2 states have (on average 22.5) internal successors, (45), 2 states have internal predecessors, (45), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2023-12-02 17:33:30,399 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 17:33:30,399 INFO L93 Difference]: Finished difference Result 159 states and 244 transitions. [2023-12-02 17:33:30,400 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-02 17:33:30,401 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 22.5) internal successors, (45), 2 states have internal predecessors, (45), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 68 [2023-12-02 17:33:30,401 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 17:33:30,408 INFO L225 Difference]: With dead ends: 159 [2023-12-02 17:33:30,408 INFO L226 Difference]: Without dead ends: 79 [2023-12-02 17:33:30,411 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 67 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 17:33:30,414 INFO L413 NwaCegarLoop]: 111 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, 111 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 17:33:30,415 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 111 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-02 17:33:30,429 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 79 states. [2023-12-02 17:33:30,447 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 79 to 79. [2023-12-02 17:33:30,449 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 79 states, 71 states have (on average 1.4507042253521127) internal successors, (103), 71 states have internal predecessors, (103), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2023-12-02 17:33:30,451 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 79 states and 115 transitions. [2023-12-02 17:33:30,452 INFO L78 Accepts]: Start accepts. Automaton has 79 states and 115 transitions. Word has length 68 [2023-12-02 17:33:30,452 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 17:33:30,453 INFO L495 AbstractCegarLoop]: Abstraction has 79 states and 115 transitions. [2023-12-02 17:33:30,453 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 22.5) internal successors, (45), 2 states have internal predecessors, (45), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2023-12-02 17:33:30,453 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 115 transitions. [2023-12-02 17:33:30,457 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-12-02 17:33:30,457 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 17:33:30,457 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 17:33:30,470 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86236d26-c5f9-47a3-8af6-2aed9041f61d/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 17:33:30,662 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86236d26-c5f9-47a3-8af6-2aed9041f61d/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 17:33:30,662 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 17:33:30,663 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 17:33:30,663 INFO L85 PathProgramCache]: Analyzing trace with hash -1312940843, now seen corresponding path program 1 times [2023-12-02 17:33:30,664 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-12-02 17:33:30,664 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1935513135] [2023-12-02 17:33:30,664 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 17:33:30,665 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 17:33:30,665 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86236d26-c5f9-47a3-8af6-2aed9041f61d/bin/utaipan-verify-nQ1chXbOIh/mathsat [2023-12-02 17:33:30,666 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86236d26-c5f9-47a3-8af6-2aed9041f61d/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 17:33:30,667 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86236d26-c5f9-47a3-8af6-2aed9041f61d/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 17:33:30,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 17:33:31,004 INFO L262 TraceCheckSpWp]: Trace formula consists of 173 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-02 17:33:31,009 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 17:33:31,106 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2023-12-02 17:33:31,107 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-02 17:33:31,107 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-12-02 17:33:31,108 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1935513135] [2023-12-02 17:33:31,108 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1935513135] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 17:33:31,108 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 17:33:31,108 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-12-02 17:33:31,108 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [962016395] [2023-12-02 17:33:31,109 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 17:33:31,110 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-12-02 17:33:31,110 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-12-02 17:33:31,111 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-12-02 17:33:31,111 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-12-02 17:33:31,112 INFO L87 Difference]: Start difference. First operand 79 states and 115 transitions. Second operand has 6 states, 6 states have (on average 6.833333333333333) internal successors, (41), 6 states have internal predecessors, (41), 1 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) [2023-12-02 17:33:31,388 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 17:33:31,389 INFO L93 Difference]: Finished difference Result 181 states and 263 transitions. [2023-12-02 17:33:31,389 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-12-02 17:33:31,390 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 6.833333333333333) internal successors, (41), 6 states have internal predecessors, (41), 1 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) Word has length 68 [2023-12-02 17:33:31,390 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 17:33:31,392 INFO L225 Difference]: With dead ends: 181 [2023-12-02 17:33:31,392 INFO L226 Difference]: Without dead ends: 103 [2023-12-02 17:33:31,393 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 63 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2023-12-02 17:33:31,395 INFO L413 NwaCegarLoop]: 104 mSDtfsCounter, 53 mSDsluCounter, 409 mSDsCounter, 0 mSdLazyCounter, 61 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 53 SdHoareTripleChecker+Valid, 513 SdHoareTripleChecker+Invalid, 67 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 61 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-12-02 17:33:31,395 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [53 Valid, 513 Invalid, 67 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 61 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-12-02 17:33:31,397 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 103 states. [2023-12-02 17:33:31,404 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 103 to 85. [2023-12-02 17:33:31,405 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 85 states, 77 states have (on average 1.4155844155844155) internal successors, (109), 77 states have internal predecessors, (109), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2023-12-02 17:33:31,407 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 85 states and 121 transitions. [2023-12-02 17:33:31,407 INFO L78 Accepts]: Start accepts. Automaton has 85 states and 121 transitions. Word has length 68 [2023-12-02 17:33:31,408 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 17:33:31,408 INFO L495 AbstractCegarLoop]: Abstraction has 85 states and 121 transitions. [2023-12-02 17:33:31,409 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 6.833333333333333) internal successors, (41), 6 states have internal predecessors, (41), 1 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) [2023-12-02 17:33:31,409 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 121 transitions. [2023-12-02 17:33:31,411 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-12-02 17:33:31,412 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 17:33:31,412 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 17:33:31,422 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86236d26-c5f9-47a3-8af6-2aed9041f61d/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 17:33:31,618 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86236d26-c5f9-47a3-8af6-2aed9041f61d/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 17:33:31,618 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 17:33:31,619 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 17:33:31,619 INFO L85 PathProgramCache]: Analyzing trace with hash -1255682541, now seen corresponding path program 1 times [2023-12-02 17:33:31,619 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-12-02 17:33:31,619 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1556257295] [2023-12-02 17:33:31,620 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 17:33:31,620 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-02 17:33:31,620 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86236d26-c5f9-47a3-8af6-2aed9041f61d/bin/utaipan-verify-nQ1chXbOIh/mathsat [2023-12-02 17:33:31,621 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86236d26-c5f9-47a3-8af6-2aed9041f61d/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 17:33:31,622 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86236d26-c5f9-47a3-8af6-2aed9041f61d/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 17:33:31,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 17:33:32,011 INFO L262 TraceCheckSpWp]: Trace formula consists of 170 conjuncts, 6 conjunts are in the unsatisfiable core [2023-12-02 17:33:32,015 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 17:33:32,115 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2023-12-02 17:33:32,116 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-02 17:33:32,116 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-12-02 17:33:32,116 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1556257295] [2023-12-02 17:33:32,116 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1556257295] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 17:33:32,117 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 17:33:32,117 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-02 17:33:32,117 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1031607604] [2023-12-02 17:33:32,117 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 17:33:32,118 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-12-02 17:33:32,118 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-12-02 17:33:32,119 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-12-02 17:33:32,119 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2023-12-02 17:33:32,119 INFO L87 Difference]: Start difference. First operand 85 states and 121 transitions. Second operand has 7 states, 7 states have (on average 5.857142857142857) internal successors, (41), 7 states have internal predecessors, (41), 1 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) [2023-12-02 17:33:32,479 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 17:33:32,479 INFO L93 Difference]: Finished difference Result 188 states and 264 transitions. [2023-12-02 17:33:32,479 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2023-12-02 17:33:32,480 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 5.857142857142857) internal successors, (41), 7 states have internal predecessors, (41), 1 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) Word has length 68 [2023-12-02 17:33:32,480 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 17:33:32,481 INFO L225 Difference]: With dead ends: 188 [2023-12-02 17:33:32,481 INFO L226 Difference]: Without dead ends: 104 [2023-12-02 17:33:32,482 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 77 GetRequests, 62 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 37 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=86, Invalid=186, Unknown=0, NotChecked=0, Total=272 [2023-12-02 17:33:32,483 INFO L413 NwaCegarLoop]: 103 mSDtfsCounter, 43 mSDsluCounter, 506 mSDsCounter, 0 mSdLazyCounter, 78 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 43 SdHoareTripleChecker+Valid, 609 SdHoareTripleChecker+Invalid, 82 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 78 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-12-02 17:33:32,484 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [43 Valid, 609 Invalid, 82 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 78 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-12-02 17:33:32,485 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 104 states. [2023-12-02 17:33:32,490 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 104 to 87. [2023-12-02 17:33:32,491 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 87 states, 79 states have (on average 1.4050632911392404) internal successors, (111), 79 states have internal predecessors, (111), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2023-12-02 17:33:32,492 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 87 states and 123 transitions. [2023-12-02 17:33:32,492 INFO L78 Accepts]: Start accepts. Automaton has 87 states and 123 transitions. Word has length 68 [2023-12-02 17:33:32,492 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 17:33:32,493 INFO L495 AbstractCegarLoop]: Abstraction has 87 states and 123 transitions. [2023-12-02 17:33:32,493 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 5.857142857142857) internal successors, (41), 7 states have internal predecessors, (41), 1 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) [2023-12-02 17:33:32,493 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 123 transitions. [2023-12-02 17:33:32,494 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-12-02 17:33:32,494 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 17:33:32,494 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 17:33:32,502 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86236d26-c5f9-47a3-8af6-2aed9041f61d/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 17:33:32,695 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86236d26-c5f9-47a3-8af6-2aed9041f61d/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 17:33:32,695 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 17:33:32,696 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 17:33:32,696 INFO L85 PathProgramCache]: Analyzing trace with hash -1255622959, now seen corresponding path program 1 times [2023-12-02 17:33:32,696 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-12-02 17:33:32,697 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2062042681] [2023-12-02 17:33:32,697 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 17:33:32,697 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 17:33:32,697 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86236d26-c5f9-47a3-8af6-2aed9041f61d/bin/utaipan-verify-nQ1chXbOIh/mathsat [2023-12-02 17:33:32,698 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86236d26-c5f9-47a3-8af6-2aed9041f61d/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 17:33:32,699 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86236d26-c5f9-47a3-8af6-2aed9041f61d/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 17:33:33,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 17:33:33,042 INFO L262 TraceCheckSpWp]: Trace formula consists of 167 conjuncts, 6 conjunts are in the unsatisfiable core [2023-12-02 17:33:33,045 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 17:33:33,165 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-12-02 17:33:33,166 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 106 treesize of output 34 [2023-12-02 17:33:33,268 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2023-12-02 17:33:33,269 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-02 17:33:33,269 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-12-02 17:33:33,269 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2062042681] [2023-12-02 17:33:33,270 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2062042681] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 17:33:33,270 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 17:33:33,270 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-02 17:33:33,270 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [75640037] [2023-12-02 17:33:33,271 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 17:33:33,271 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-02 17:33:33,271 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-12-02 17:33:33,272 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-02 17:33:33,272 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-12-02 17:33:33,272 INFO L87 Difference]: Start difference. First operand 87 states and 123 transitions. Second operand has 5 states, 5 states have (on average 8.2) internal successors, (41), 5 states have internal predecessors, (41), 1 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) [2023-12-02 17:33:35,610 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 17:33:36,924 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.31s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 17:33:39,007 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.08s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 17:33:42,322 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.95s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 17:33:43,449 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.13s 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 17:33:45,561 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.08s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 17:33:47,798 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.08s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 17:33:49,880 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.08s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 17:33:50,349 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 17:33:50,349 INFO L93 Difference]: Finished difference Result 223 states and 314 transitions. [2023-12-02 17:33:50,350 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-12-02 17:33:50,350 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.2) internal successors, (41), 5 states have internal predecessors, (41), 1 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) Word has length 68 [2023-12-02 17:33:50,350 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 17:33:50,352 INFO L225 Difference]: With dead ends: 223 [2023-12-02 17:33:50,352 INFO L226 Difference]: Without dead ends: 137 [2023-12-02 17:33:50,353 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 64 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2023-12-02 17:33:50,354 INFO L413 NwaCegarLoop]: 81 mSDtfsCounter, 60 mSDsluCounter, 192 mSDsCounter, 0 mSdLazyCounter, 181 mSolverCounterSat, 0 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 16.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 60 SdHoareTripleChecker+Valid, 273 SdHoareTripleChecker+Invalid, 186 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 181 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 17.0s IncrementalHoareTripleChecker+Time [2023-12-02 17:33:50,354 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [60 Valid, 273 Invalid, 186 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 181 Invalid, 5 Unknown, 0 Unchecked, 17.0s Time] [2023-12-02 17:33:50,355 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 137 states. [2023-12-02 17:33:50,362 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 137 to 93. [2023-12-02 17:33:50,362 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 93 states, 85 states have (on average 1.411764705882353) internal successors, (120), 85 states have internal predecessors, (120), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2023-12-02 17:33:50,363 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 93 states and 132 transitions. [2023-12-02 17:33:50,363 INFO L78 Accepts]: Start accepts. Automaton has 93 states and 132 transitions. Word has length 68 [2023-12-02 17:33:50,364 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 17:33:50,364 INFO L495 AbstractCegarLoop]: Abstraction has 93 states and 132 transitions. [2023-12-02 17:33:50,364 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.2) internal successors, (41), 5 states have internal predecessors, (41), 1 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) [2023-12-02 17:33:50,364 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 132 transitions. [2023-12-02 17:33:50,366 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-12-02 17:33:50,366 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 17:33:50,366 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 17:33:50,375 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86236d26-c5f9-47a3-8af6-2aed9041f61d/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 17:33:50,566 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86236d26-c5f9-47a3-8af6-2aed9041f61d/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 17:33:50,567 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 17:33:50,567 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 17:33:50,567 INFO L85 PathProgramCache]: Analyzing trace with hash 2018275983, now seen corresponding path program 1 times [2023-12-02 17:33:50,568 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-12-02 17:33:50,568 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [453857969] [2023-12-02 17:33:50,568 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 17:33:50,568 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 17:33:50,568 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86236d26-c5f9-47a3-8af6-2aed9041f61d/bin/utaipan-verify-nQ1chXbOIh/mathsat [2023-12-02 17:33:50,569 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86236d26-c5f9-47a3-8af6-2aed9041f61d/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 17:33:50,570 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86236d26-c5f9-47a3-8af6-2aed9041f61d/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 17:33:50,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 17:33:51,003 INFO L262 TraceCheckSpWp]: Trace formula consists of 164 conjuncts, 25 conjunts are in the unsatisfiable core [2023-12-02 17:33:51,009 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 17:33:51,665 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2023-12-02 17:33:52,541 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 69 treesize of output 54 [2023-12-02 17:33:53,056 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 74 treesize of output 54 [2023-12-02 17:33:53,143 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 131 treesize of output 67 [2023-12-02 17:33:53,306 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 120 treesize of output 93 [2023-12-02 17:33:53,422 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-12-02 17:33:53,423 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 58 [2023-12-02 17:33:53,542 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2023-12-02 17:33:53,542 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 17:33:53,979 WARN L854 $PredicateComparison]: unable to prove that (forall ((|v_skolemized_q#valueAsBitvector_29| (_ BitVec 32)) (v_ArrVal_96 (Array (_ BitVec 32) (_ BitVec 32)))) (let ((.cse2 (bvadd (_ bv4 32) |c_~#float_Array_0~0.offset|)) (.cse1 (select |c_#memory_int| |c_~#float_Array_0~0.base|))) (or (not (= (fp ((_ extract 31 31) |v_skolemized_q#valueAsBitvector_29|) ((_ extract 30 23) |v_skolemized_q#valueAsBitvector_29|) ((_ extract 22 0) |v_skolemized_q#valueAsBitvector_29|)) (let ((.cse0 (select .cse1 .cse2))) (fp ((_ extract 31 31) .cse0) ((_ extract 30 23) .cse0) ((_ extract 22 0) .cse0))))) (not (let ((.cse6 (bvadd (_ bv8 32) |c_~#float_Array_0~0.offset|))) (let ((.cse4 (select (store (store |c_#memory_int| |c_~#float_Array_0~0.base| (store .cse1 .cse6 |v_skolemized_q#valueAsBitvector_29|)) |c_~#unsigned_short_int_Array_0~0.base| v_ArrVal_96) |c_~#float_Array_0~0.base|))) (fp.lt (let ((.cse3 (select .cse4 .cse2))) (fp ((_ extract 31 31) .cse3) ((_ extract 30 23) .cse3) ((_ extract 22 0) .cse3))) (let ((.cse5 (select .cse4 .cse6))) (fp ((_ extract 31 31) .cse5) ((_ extract 30 23) .cse5) ((_ extract 22 0) .cse5)))))))))) is different from false [2023-12-02 17:33:54,034 WARN L854 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_92 (Array (_ BitVec 32) (_ BitVec 32))) (|v_skolemized_q#valueAsBitvector_29| (_ BitVec 32)) (v_ArrVal_96 (Array (_ BitVec 32) (_ BitVec 32))) (v_ArrVal_93 (Array (_ BitVec 32) (_ BitVec 32)))) (let ((.cse7 (store (store |c_#memory_int| |c_~#BOOL_unsigned_char_Array_0~0.base| v_ArrVal_93) |c_~#unsigned_char_Array_0~0.base| v_ArrVal_92))) (let ((.cse2 (bvadd (_ bv4 32) |c_~#float_Array_0~0.offset|)) (.cse1 (select .cse7 |c_~#float_Array_0~0.base|))) (or (not (= (fp ((_ extract 31 31) |v_skolemized_q#valueAsBitvector_29|) ((_ extract 30 23) |v_skolemized_q#valueAsBitvector_29|) ((_ extract 22 0) |v_skolemized_q#valueAsBitvector_29|)) (let ((.cse0 (select .cse1 .cse2))) (fp ((_ extract 31 31) .cse0) ((_ extract 30 23) .cse0) ((_ extract 22 0) .cse0))))) (not (let ((.cse6 (bvadd (_ bv8 32) |c_~#float_Array_0~0.offset|))) (let ((.cse4 (select (store (store .cse7 |c_~#float_Array_0~0.base| (store .cse1 .cse6 |v_skolemized_q#valueAsBitvector_29|)) |c_~#unsigned_short_int_Array_0~0.base| v_ArrVal_96) |c_~#float_Array_0~0.base|))) (fp.lt (let ((.cse3 (select .cse4 .cse2))) (fp ((_ extract 31 31) .cse3) ((_ extract 30 23) .cse3) ((_ extract 22 0) .cse3))) (let ((.cse5 (select .cse4 .cse6))) (fp ((_ extract 31 31) .cse5) ((_ extract 30 23) .cse5) ((_ extract 22 0) .cse5))))))))))) is different from false [2023-12-02 17:33:54,071 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-12-02 17:33:54,072 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [453857969] [2023-12-02 17:33:54,072 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [453857969] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-02 17:33:54,072 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [718417166] [2023-12-02 17:33:54,072 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 17:33:54,072 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 17:33:54,072 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86236d26-c5f9-47a3-8af6-2aed9041f61d/bin/utaipan-verify-nQ1chXbOIh/cvc4 [2023-12-02 17:33:54,073 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86236d26-c5f9-47a3-8af6-2aed9041f61d/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 17:33:54,074 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86236d26-c5f9-47a3-8af6-2aed9041f61d/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2023-12-02 17:33:55,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 17:33:55,470 INFO L262 TraceCheckSpWp]: Trace formula consists of 164 conjuncts, 37 conjunts are in the unsatisfiable core [2023-12-02 17:33:55,475 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 17:33:56,417 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2023-12-02 17:33:57,483 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 57 treesize of output 42 [2023-12-02 17:33:58,094 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 62 treesize of output 42 [2023-12-02 17:33:58,244 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 103 treesize of output 59 [2023-12-02 17:33:58,995 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 166 treesize of output 121 [2023-12-02 17:34:21,079 WARN L876 $PredicateComparison]: unable to prove that (let ((.cse3 (select |c_#memory_int| (_ bv5 32)))) (let ((.cse0 (let ((.cse4 (select .cse3 (_ bv4 32)))) (fp ((_ extract 31 31) .cse4) ((_ extract 30 23) .cse4) ((_ extract 22 0) .cse4)))) (.cse1 (let ((.cse2 (select .cse3 (_ bv8 32)))) (fp ((_ extract 31 31) .cse2) ((_ extract 30 23) .cse2) ((_ extract 22 0) .cse2))))) (and (= |c_~#float_Array_0~0.offset| (_ bv0 32)) (= |c_~#float_Array_0~0.base| (_ bv5 32)) (fp.leq .cse0 (fp.neg ((_ to_fp 8 24) roundNearestTiesToEven (/ 1.0 100000000000000000000.0)))) (fp.geq .cse0 (fp.neg ((_ to_fp 8 24) roundNearestTiesToEven 9223372036854765600.0))) (not (fp.gt (fp.add roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven .cse1) ((_ to_fp 11 53) roundNearestTiesToEven (/ 65.0 8.0))) ((_ to_fp 11 53) roundNearestTiesToEven (fp.mul roundNearestTiesToEven .cse1 .cse0)))) (= .cse0 .cse1)))) is different from true [2023-12-02 17:34:50,434 WARN L876 $PredicateComparison]: unable to prove that (let ((.cse3 (select |c_#memory_int| (_ bv5 32)))) (let ((.cse1 (let ((.cse4 (select .cse3 (_ bv4 32)))) (fp ((_ extract 31 31) .cse4) ((_ extract 30 23) .cse4) ((_ extract 22 0) .cse4)))) (.cse0 (let ((.cse2 (select .cse3 (_ bv8 32)))) (fp ((_ extract 31 31) .cse2) ((_ extract 30 23) .cse2) ((_ extract 22 0) .cse2))))) (and (= |c_~#float_Array_0~0.offset| (_ bv0 32)) (= |c_ULTIMATE.start_step_#t~mem27#1| .cse0) (= |c_~#float_Array_0~0.base| (_ bv5 32)) (= .cse1 |c_ULTIMATE.start_step_#t~mem26#1|) (fp.leq .cse1 (fp.neg ((_ to_fp 8 24) roundNearestTiesToEven (/ 1.0 100000000000000000000.0)))) (fp.geq .cse1 (fp.neg ((_ to_fp 8 24) roundNearestTiesToEven 9223372036854765600.0))) (not (fp.gt (fp.add roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven .cse0) ((_ to_fp 11 53) roundNearestTiesToEven (/ 65.0 8.0))) ((_ to_fp 11 53) roundNearestTiesToEven (fp.mul roundNearestTiesToEven .cse0 .cse1)))) (= .cse1 .cse0)))) is different from true [2023-12-02 17:34:50,646 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 36 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2023-12-02 17:34:50,647 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-02 17:34:50,647 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [718417166] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 17:34:50,647 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-12-02 17:34:50,647 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [10] total 20 [2023-12-02 17:34:50,647 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [241108541] [2023-12-02 17:34:50,648 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 17:34:50,648 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-12-02 17:34:50,648 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-12-02 17:34:50,649 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-12-02 17:34:50,650 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=86, Invalid=380, Unknown=12, NotChecked=172, Total=650 [2023-12-02 17:34:50,650 INFO L87 Difference]: Start difference. First operand 93 states and 132 transitions. Second operand has 12 states, 12 states have (on average 3.6666666666666665) internal successors, (44), 11 states have internal predecessors, (44), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2023-12-02 17:34:53,925 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 17:34:55,928 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 17:34:57,933 WARN L539 Checker$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 [] [2023-12-02 17:34:59,935 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 17:35:01,642 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.71s for a HTC check with result VALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 17:35:02,649 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.01s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 17:35:04,789 WARN L854 $PredicateComparison]: unable to prove that (let ((.cse3 (select |c_#memory_int| (_ bv5 32)))) (let ((.cse1 (let ((.cse4 (select .cse3 (_ bv8 32)))) (fp ((_ extract 31 31) .cse4) ((_ extract 30 23) .cse4) ((_ extract 22 0) .cse4)))) (.cse0 (let ((.cse2 (select .cse3 (_ bv4 32)))) (fp ((_ extract 31 31) .cse2) ((_ extract 30 23) .cse2) ((_ extract 22 0) .cse2))))) (and (= |c_~#float_Array_0~0.offset| (_ bv0 32)) (= |c_~#float_Array_0~0.base| (_ bv5 32)) (= (_ bv7 32) |c_~#unsigned_short_int_Array_0~0.base|) (= (_ bv4 32) |c_~#BOOL_unsigned_char_Array_0~0.base|) (fp.leq .cse0 (fp.neg ((_ to_fp 8 24) roundNearestTiesToEven (/ 1.0 100000000000000000000.0)))) (fp.geq .cse0 (fp.neg ((_ to_fp 8 24) roundNearestTiesToEven 9223372036854765600.0))) (not (fp.gt (fp.add roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven .cse1) ((_ to_fp 11 53) roundNearestTiesToEven (/ 65.0 8.0))) ((_ to_fp 11 53) roundNearestTiesToEven (fp.mul roundNearestTiesToEven .cse1 .cse0)))) (= .cse0 .cse1) (fp.leq .cse0 (fp.neg ((_ to_fp 8 24) c_currentRoundingMode (/ 1.0 100000000000000000000.0)))) (= (_ bv6 32) |c_~#unsigned_char_Array_0~0.base|) (fp.geq .cse0 (fp.neg ((_ to_fp 8 24) c_currentRoundingMode 9223372036854765600.0))) (= c_currentRoundingMode roundNearestTiesToEven)))) is different from false [2023-12-02 17:35:06,815 WARN L876 $PredicateComparison]: unable to prove that (let ((.cse3 (select |c_#memory_int| (_ bv5 32)))) (let ((.cse1 (let ((.cse4 (select .cse3 (_ bv8 32)))) (fp ((_ extract 31 31) .cse4) ((_ extract 30 23) .cse4) ((_ extract 22 0) .cse4)))) (.cse0 (let ((.cse2 (select .cse3 (_ bv4 32)))) (fp ((_ extract 31 31) .cse2) ((_ extract 30 23) .cse2) ((_ extract 22 0) .cse2))))) (and (= |c_~#float_Array_0~0.offset| (_ bv0 32)) (= |c_~#float_Array_0~0.base| (_ bv5 32)) (= (_ bv7 32) |c_~#unsigned_short_int_Array_0~0.base|) (= (_ bv4 32) |c_~#BOOL_unsigned_char_Array_0~0.base|) (fp.leq .cse0 (fp.neg ((_ to_fp 8 24) roundNearestTiesToEven (/ 1.0 100000000000000000000.0)))) (fp.geq .cse0 (fp.neg ((_ to_fp 8 24) roundNearestTiesToEven 9223372036854765600.0))) (not (fp.gt (fp.add roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven .cse1) ((_ to_fp 11 53) roundNearestTiesToEven (/ 65.0 8.0))) ((_ to_fp 11 53) roundNearestTiesToEven (fp.mul roundNearestTiesToEven .cse1 .cse0)))) (= .cse0 .cse1) (fp.leq .cse0 (fp.neg ((_ to_fp 8 24) c_currentRoundingMode (/ 1.0 100000000000000000000.0)))) (= (_ bv6 32) |c_~#unsigned_char_Array_0~0.base|) (fp.geq .cse0 (fp.neg ((_ to_fp 8 24) c_currentRoundingMode 9223372036854765600.0))) (= c_currentRoundingMode roundNearestTiesToEven)))) is different from true [2023-12-02 17:35:08,893 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.08s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 17:35:10,232 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.34s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 17:35:12,522 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.08s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 17:35:14,526 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 17:35:16,529 WARN L539 Checker$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 [] [2023-12-02 17:35:18,437 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.64s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 17:35:22,348 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 17:35:24,799 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.09s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 17:35:26,358 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.56s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 17:35:28,741 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 17:35:30,307 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.57s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 17:35:32,448 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 17:35:34,062 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.48s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 17:35:36,125 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.93s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 17:35:39,810 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 17:35:42,493 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.08s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 17:35:43,884 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.39s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 17:35:46,302 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 17:35:48,292 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.99s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 17:35:50,378 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.09s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 17:35:51,909 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.53s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 17:35:54,647 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 17:35:56,650 WARN L539 Checker$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 [] [2023-12-02 17:35:57,628 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 17:35:57,629 INFO L93 Difference]: Finished difference Result 449 states and 636 transitions. [2023-12-02 17:35:57,629 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-12-02 17:35:57,629 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 3.6666666666666665) internal successors, (44), 11 states have internal predecessors, (44), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 68 [2023-12-02 17:35:57,630 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 17:35:57,631 INFO L225 Difference]: With dead ends: 449 [2023-12-02 17:35:57,632 INFO L226 Difference]: Without dead ends: 357 [2023-12-02 17:35:57,632 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 166 GetRequests, 136 SyntacticMatches, 1 SemanticMatches, 29 ConstructedPredicates, 5 IntricatePredicates, 0 DeprecatedPredicates, 125 ImplicationChecksByTransitivity, 14.3s TimeCoverageRelationStatistics Valid=139, Invalid=517, Unknown=14, NotChecked=260, Total=930 [2023-12-02 17:35:57,633 INFO L413 NwaCegarLoop]: 160 mSDtfsCounter, 282 mSDsluCounter, 644 mSDsCounter, 0 mSdLazyCounter, 1022 mSolverCounterSat, 34 mSolverCounterUnsat, 17 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 61.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 284 SdHoareTripleChecker+Valid, 804 SdHoareTripleChecker+Invalid, 1961 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 34 IncrementalHoareTripleChecker+Valid, 1022 IncrementalHoareTripleChecker+Invalid, 17 IncrementalHoareTripleChecker+Unknown, 888 IncrementalHoareTripleChecker+Unchecked, 62.3s IncrementalHoareTripleChecker+Time [2023-12-02 17:35:57,633 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [284 Valid, 804 Invalid, 1961 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [34 Valid, 1022 Invalid, 17 Unknown, 888 Unchecked, 62.3s Time] [2023-12-02 17:35:57,634 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 357 states. [2023-12-02 17:35:57,653 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 357 to 345. [2023-12-02 17:35:57,653 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 345 states, 319 states have (on average 1.4137931034482758) internal successors, (451), 321 states have internal predecessors, (451), 21 states have call successors, (21), 4 states have call predecessors, (21), 4 states have return successors, (21), 19 states have call predecessors, (21), 21 states have call successors, (21) [2023-12-02 17:35:57,655 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 345 states to 345 states and 493 transitions. [2023-12-02 17:35:57,655 INFO L78 Accepts]: Start accepts. Automaton has 345 states and 493 transitions. Word has length 68 [2023-12-02 17:35:57,656 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 17:35:57,656 INFO L495 AbstractCegarLoop]: Abstraction has 345 states and 493 transitions. [2023-12-02 17:35:57,656 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 3.6666666666666665) internal successors, (44), 11 states have internal predecessors, (44), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2023-12-02 17:35:57,656 INFO L276 IsEmpty]: Start isEmpty. Operand 345 states and 493 transitions. [2023-12-02 17:35:57,657 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-12-02 17:35:57,657 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 17:35:57,657 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 17:35:57,663 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86236d26-c5f9-47a3-8af6-2aed9041f61d/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt (7)] Ended with exit code 0 [2023-12-02 17:35:57,864 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86236d26-c5f9-47a3-8af6-2aed9041f61d/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 17:35:58,058 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86236d26-c5f9-47a3-8af6-2aed9041f61d/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86236d26-c5f9-47a3-8af6-2aed9041f61d/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 17:35:58,058 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 17:35:58,059 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 17:35:58,059 INFO L85 PathProgramCache]: Analyzing trace with hash -2073271409, now seen corresponding path program 1 times [2023-12-02 17:35:58,059 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-12-02 17:35:58,059 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [941488438] [2023-12-02 17:35:58,059 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 17:35:58,060 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 17:35:58,060 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86236d26-c5f9-47a3-8af6-2aed9041f61d/bin/utaipan-verify-nQ1chXbOIh/mathsat [2023-12-02 17:35:58,061 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86236d26-c5f9-47a3-8af6-2aed9041f61d/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 17:35:58,061 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86236d26-c5f9-47a3-8af6-2aed9041f61d/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2023-12-02 17:35:58,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 17:35:58,370 INFO L262 TraceCheckSpWp]: Trace formula consists of 167 conjuncts, 6 conjunts are in the unsatisfiable core [2023-12-02 17:35:58,372 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 17:35:58,436 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 80 treesize of output 26 [2023-12-02 17:35:58,468 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2023-12-02 17:35:58,468 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-02 17:35:58,468 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-12-02 17:35:58,468 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [941488438] [2023-12-02 17:35:58,468 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [941488438] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 17:35:58,468 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 17:35:58,468 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-12-02 17:35:58,468 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1814317655] [2023-12-02 17:35:58,468 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 17:35:58,469 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-12-02 17:35:58,469 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-12-02 17:35:58,469 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-12-02 17:35:58,470 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2023-12-02 17:35:58,470 INFO L87 Difference]: Start difference. First operand 345 states and 493 transitions. Second operand has 6 states, 6 states have (on average 6.833333333333333) internal successors, (41), 6 states have internal predecessors, (41), 1 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) [2023-12-02 17:36:00,722 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 17:36:02,430 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.71s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 17:36:04,546 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.08s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 17:36:06,041 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.49s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 17:36:08,603 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 17:36:10,212 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.61s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 17:36:12,399 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.08s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 17:36:13,862 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.46s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 17:36:16,057 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.08s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 17:36:18,139 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.08s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 17:36:18,551 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 17:36:18,551 INFO L93 Difference]: Finished difference Result 867 states and 1230 transitions. [2023-12-02 17:36:18,551 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-12-02 17:36:18,552 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 6.833333333333333) internal successors, (41), 6 states have internal predecessors, (41), 1 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) Word has length 68 [2023-12-02 17:36:18,552 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 17:36:18,555 INFO L225 Difference]: With dead ends: 867 [2023-12-02 17:36:18,555 INFO L226 Difference]: Without dead ends: 523 [2023-12-02 17:36:18,556 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 63 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2023-12-02 17:36:18,557 INFO L413 NwaCegarLoop]: 84 mSDtfsCounter, 52 mSDsluCounter, 250 mSDsCounter, 0 mSdLazyCounter, 239 mSolverCounterSat, 0 mSolverCounterUnsat, 6 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 19.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 52 SdHoareTripleChecker+Valid, 334 SdHoareTripleChecker+Invalid, 245 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 239 IncrementalHoareTripleChecker+Invalid, 6 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 20.0s IncrementalHoareTripleChecker+Time [2023-12-02 17:36:18,558 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [52 Valid, 334 Invalid, 245 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 239 Invalid, 6 Unknown, 0 Unchecked, 20.0s Time] [2023-12-02 17:36:18,559 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 523 states. [2023-12-02 17:36:18,588 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 523 to 345. [2023-12-02 17:36:18,589 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 345 states, 319 states have (on average 1.4137931034482758) internal successors, (451), 321 states have internal predecessors, (451), 21 states have call successors, (21), 4 states have call predecessors, (21), 4 states have return successors, (21), 19 states have call predecessors, (21), 21 states have call successors, (21) [2023-12-02 17:36:18,592 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 345 states to 345 states and 493 transitions. [2023-12-02 17:36:18,592 INFO L78 Accepts]: Start accepts. Automaton has 345 states and 493 transitions. Word has length 68 [2023-12-02 17:36:18,592 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 17:36:18,593 INFO L495 AbstractCegarLoop]: Abstraction has 345 states and 493 transitions. [2023-12-02 17:36:18,593 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 6.833333333333333) internal successors, (41), 6 states have internal predecessors, (41), 1 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) [2023-12-02 17:36:18,593 INFO L276 IsEmpty]: Start isEmpty. Operand 345 states and 493 transitions. [2023-12-02 17:36:18,594 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-12-02 17:36:18,594 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 17:36:18,595 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 17:36:18,604 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86236d26-c5f9-47a3-8af6-2aed9041f61d/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (8)] Ended with exit code 0 [2023-12-02 17:36:18,795 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86236d26-c5f9-47a3-8af6-2aed9041f61d/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 17:36:18,795 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 17:36:18,796 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 17:36:18,796 INFO L85 PathProgramCache]: Analyzing trace with hash 1200627533, now seen corresponding path program 1 times [2023-12-02 17:36:18,796 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-12-02 17:36:18,796 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1594023694] [2023-12-02 17:36:18,796 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 17:36:18,796 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 17:36:18,796 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86236d26-c5f9-47a3-8af6-2aed9041f61d/bin/utaipan-verify-nQ1chXbOIh/mathsat [2023-12-02 17:36:18,797 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86236d26-c5f9-47a3-8af6-2aed9041f61d/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 17:36:18,798 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86236d26-c5f9-47a3-8af6-2aed9041f61d/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)] Waiting until timeout for monitored process [2023-12-02 17:36:19,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 17:36:19,179 INFO L262 TraceCheckSpWp]: Trace formula consists of 164 conjuncts, 24 conjunts are in the unsatisfiable core [2023-12-02 17:36:19,183 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 17:36:19,677 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2023-12-02 17:36:20,258 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 69 treesize of output 54 [2023-12-02 17:36:20,661 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 74 treesize of output 54 [2023-12-02 17:36:20,733 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 131 treesize of output 67 [2023-12-02 17:36:20,863 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 120 treesize of output 93 [2023-12-02 17:36:21,116 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-12-02 17:36:21,116 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 58 [2023-12-02 17:36:21,245 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2023-12-02 17:36:21,245 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 17:36:21,471 WARN L854 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_159 (Array (_ BitVec 32) (_ BitVec 32)))) (let ((.cse0 (let ((.cse1 (select (select (store |c_#memory_int| |c_~#unsigned_short_int_Array_0~0.base| v_ArrVal_159) |c_~#float_Array_0~0.base|) (bvadd (_ bv8 32) |c_~#float_Array_0~0.offset|)))) (fp ((_ extract 31 31) .cse1) ((_ extract 30 23) .cse1) ((_ extract 22 0) .cse1))))) (fp.eq .cse0 .cse0))) is different from false [2023-12-02 17:36:21,500 WARN L854 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_159 (Array (_ BitVec 32) (_ BitVec 32))) (|v_skolemized_q#valueAsBitvector_41| (_ BitVec 32))) (let ((.cse1 (select |c_#memory_int| |c_~#float_Array_0~0.base|))) (or (not (= (fp ((_ extract 31 31) |v_skolemized_q#valueAsBitvector_41|) ((_ extract 30 23) |v_skolemized_q#valueAsBitvector_41|) ((_ extract 22 0) |v_skolemized_q#valueAsBitvector_41|)) (let ((.cse0 (select .cse1 (bvadd (_ bv4 32) |c_~#float_Array_0~0.offset|)))) (fp ((_ extract 31 31) .cse0) ((_ extract 30 23) .cse0) ((_ extract 22 0) .cse0))))) (let ((.cse2 (let ((.cse3 (let ((.cse4 (bvadd (_ bv8 32) |c_~#float_Array_0~0.offset|))) (select (select (store (store |c_#memory_int| |c_~#float_Array_0~0.base| (store .cse1 .cse4 |v_skolemized_q#valueAsBitvector_41|)) |c_~#unsigned_short_int_Array_0~0.base| v_ArrVal_159) |c_~#float_Array_0~0.base|) .cse4)))) (fp ((_ extract 31 31) .cse3) ((_ extract 30 23) .cse3) ((_ extract 22 0) .cse3))))) (fp.eq .cse2 .cse2))))) is different from false [2023-12-02 17:36:21,694 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-12-02 17:36:21,695 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1594023694] [2023-12-02 17:36:21,695 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1594023694] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-02 17:36:21,695 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [934569245] [2023-12-02 17:36:21,695 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 17:36:21,695 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 17:36:21,695 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86236d26-c5f9-47a3-8af6-2aed9041f61d/bin/utaipan-verify-nQ1chXbOIh/cvc4 [2023-12-02 17:36:21,696 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86236d26-c5f9-47a3-8af6-2aed9041f61d/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 17:36:21,697 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86236d26-c5f9-47a3-8af6-2aed9041f61d/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt (10)] Waiting until timeout for monitored process [2023-12-02 17:36:22,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 17:36:22,711 INFO L262 TraceCheckSpWp]: Trace formula consists of 164 conjuncts, 27 conjunts are in the unsatisfiable core [2023-12-02 17:36:22,715 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 17:36:23,293 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2023-12-02 17:36:23,627 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 69 treesize of output 54 [2023-12-02 17:36:24,039 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 74 treesize of output 54 [2023-12-02 17:36:24,063 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 131 treesize of output 67 [2023-12-02 17:36:24,128 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 120 treesize of output 93 [2023-12-02 17:36:24,217 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-12-02 17:36:24,217 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 58 [2023-12-02 17:36:24,314 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2023-12-02 17:36:24,314 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 17:36:24,343 WARN L854 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_183 (Array (_ BitVec 32) (_ BitVec 32)))) (let ((.cse0 (let ((.cse1 (select (select (store |c_#memory_int| |c_~#unsigned_short_int_Array_0~0.base| v_ArrVal_183) |c_~#float_Array_0~0.base|) (bvadd (_ bv8 32) |c_~#float_Array_0~0.offset|)))) (fp ((_ extract 31 31) .cse1) ((_ extract 30 23) .cse1) ((_ extract 22 0) .cse1))))) (fp.eq .cse0 .cse0))) is different from false [2023-12-02 17:36:24,372 WARN L854 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_183 (Array (_ BitVec 32) (_ BitVec 32))) (|v_skolemized_q#valueAsBitvector_46| (_ BitVec 32))) (let ((.cse1 (select |c_#memory_int| |c_~#float_Array_0~0.base|))) (or (not (= (let ((.cse0 (select .cse1 (bvadd (_ bv4 32) |c_~#float_Array_0~0.offset|)))) (fp ((_ extract 31 31) .cse0) ((_ extract 30 23) .cse0) ((_ extract 22 0) .cse0))) (fp ((_ extract 31 31) |v_skolemized_q#valueAsBitvector_46|) ((_ extract 30 23) |v_skolemized_q#valueAsBitvector_46|) ((_ extract 22 0) |v_skolemized_q#valueAsBitvector_46|)))) (let ((.cse2 (let ((.cse3 (let ((.cse4 (bvadd (_ bv8 32) |c_~#float_Array_0~0.offset|))) (select (select (store (store |c_#memory_int| |c_~#float_Array_0~0.base| (store .cse1 .cse4 |v_skolemized_q#valueAsBitvector_46|)) |c_~#unsigned_short_int_Array_0~0.base| v_ArrVal_183) |c_~#float_Array_0~0.base|) .cse4)))) (fp ((_ extract 31 31) .cse3) ((_ extract 30 23) .cse3) ((_ extract 22 0) .cse3))))) (fp.eq .cse2 .cse2))))) is different from false [2023-12-02 17:36:24,581 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [934569245] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-02 17:36:24,581 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [340001859] [2023-12-02 17:36:24,582 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 17:36:24,582 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 17:36:24,582 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86236d26-c5f9-47a3-8af6-2aed9041f61d/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 17:36:24,583 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86236d26-c5f9-47a3-8af6-2aed9041f61d/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-02 17:36:24,584 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86236d26-c5f9-47a3-8af6-2aed9041f61d/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2023-12-02 17:36:25,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 17:36:25,397 INFO L262 TraceCheckSpWp]: Trace formula consists of 164 conjuncts, 25 conjunts are in the unsatisfiable core [2023-12-02 17:36:25,401 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 17:36:25,808 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2023-12-02 17:36:27,031 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 69 treesize of output 54 [2023-12-02 17:36:27,429 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 74 treesize of output 54 [2023-12-02 17:36:27,459 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 131 treesize of output 67 [2023-12-02 17:36:27,523 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 120 treesize of output 93 [2023-12-02 17:36:27,764 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 36 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2023-12-02 17:36:27,764 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-02 17:36:27,764 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [340001859] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 17:36:27,764 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2023-12-02 17:36:27,765 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [11, 11] total 16 [2023-12-02 17:36:27,765 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [611920387] [2023-12-02 17:36:27,765 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 17:36:27,765 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-12-02 17:36:27,765 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-12-02 17:36:27,766 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-12-02 17:36:27,766 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=88, Invalid=377, Unknown=13, NotChecked=172, Total=650 [2023-12-02 17:36:27,767 INFO L87 Difference]: Start difference. First operand 345 states and 493 transitions. Second operand has 12 states, 12 states have (on average 3.6666666666666665) internal successors, (44), 11 states have internal predecessors, (44), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2023-12-02 17:36:31,859 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 17:36:33,291 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.43s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 17:36:36,469 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.08s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 17:36:38,472 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 17:36:39,989 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.52s 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 17:36:42,353 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 17:36:44,355 WARN L539 Checker$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 [] [2023-12-02 17:36:45,652 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.30s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 17:36:47,800 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.09s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 17:36:51,407 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 17:36:53,409 WARN L539 Checker$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 [] [2023-12-02 17:36:55,414 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-02 17:36:57,417 WARN L539 Checker$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 [] [2023-12-02 17:36:58,746 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.33s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 17:37:00,860 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 17:37:03,252 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.09s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 17:37:05,568 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.09s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 17:37:07,572 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 17:37:10,240 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.91s for a HTC check with result VALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 17:37:12,544 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 17:37:15,133 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.09s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 17:37:18,002 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 17:37:19,438 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.43s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 17:37:21,560 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.09s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 17:37:23,454 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.89s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 17:37:24,101 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 17:37:24,101 INFO L93 Difference]: Finished difference Result 865 states and 1232 transitions. [2023-12-02 17:37:24,102 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-12-02 17:37:24,102 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 3.6666666666666665) internal successors, (44), 11 states have internal predecessors, (44), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 68 [2023-12-02 17:37:24,102 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 17:37:24,104 INFO L225 Difference]: With dead ends: 865 [2023-12-02 17:37:24,104 INFO L226 Difference]: Without dead ends: 521 [2023-12-02 17:37:24,105 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 259 GetRequests, 227 SyntacticMatches, 3 SemanticMatches, 29 ConstructedPredicates, 4 IntricatePredicates, 0 DeprecatedPredicates, 154 ImplicationChecksByTransitivity, 3.3s TimeCoverageRelationStatistics Valid=145, Invalid=559, Unknown=14, NotChecked=212, Total=930 [2023-12-02 17:37:24,106 INFO L413 NwaCegarLoop]: 74 mSDtfsCounter, 567 mSDsluCounter, 376 mSDsCounter, 0 mSdLazyCounter, 685 mSolverCounterSat, 49 mSolverCounterUnsat, 17 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 54.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 569 SdHoareTripleChecker+Valid, 450 SdHoareTripleChecker+Invalid, 751 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 49 IncrementalHoareTripleChecker+Valid, 685 IncrementalHoareTripleChecker+Invalid, 17 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 55.2s IncrementalHoareTripleChecker+Time [2023-12-02 17:37:24,106 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [569 Valid, 450 Invalid, 751 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [49 Valid, 685 Invalid, 17 Unknown, 0 Unchecked, 55.2s Time] [2023-12-02 17:37:24,107 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 521 states. [2023-12-02 17:37:24,136 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 521 to 505. [2023-12-02 17:37:24,137 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 505 states, 468 states have (on average 1.4059829059829059) internal successors, (658), 472 states have internal predecessors, (658), 30 states have call successors, (30), 6 states have call predecessors, (30), 6 states have return successors, (30), 26 states have call predecessors, (30), 30 states have call successors, (30) [2023-12-02 17:37:24,141 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 505 states to 505 states and 718 transitions. [2023-12-02 17:37:24,141 INFO L78 Accepts]: Start accepts. Automaton has 505 states and 718 transitions. Word has length 68 [2023-12-02 17:37:24,141 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 17:37:24,141 INFO L495 AbstractCegarLoop]: Abstraction has 505 states and 718 transitions. [2023-12-02 17:37:24,142 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 3.6666666666666665) internal successors, (44), 11 states have internal predecessors, (44), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2023-12-02 17:37:24,142 INFO L276 IsEmpty]: Start isEmpty. Operand 505 states and 718 transitions. [2023-12-02 17:37:24,143 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-12-02 17:37:24,143 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 17:37:24,144 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 17:37:24,153 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86236d26-c5f9-47a3-8af6-2aed9041f61d/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)] Ended with exit code 0 [2023-12-02 17:37:24,360 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86236d26-c5f9-47a3-8af6-2aed9041f61d/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2023-12-02 17:37:24,552 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86236d26-c5f9-47a3-8af6-2aed9041f61d/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt (10)] Ended with exit code 0 [2023-12-02 17:37:24,746 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86236d26-c5f9-47a3-8af6-2aed9041f61d/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3,11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86236d26-c5f9-47a3-8af6-2aed9041f61d/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true,10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86236d26-c5f9-47a3-8af6-2aed9041f61d/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt [2023-12-02 17:37:24,747 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 17:37:24,747 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 17:37:24,747 INFO L85 PathProgramCache]: Analyzing trace with hash -1383204975, now seen corresponding path program 1 times [2023-12-02 17:37:24,748 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-12-02 17:37:24,748 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [199577681] [2023-12-02 17:37:24,748 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 17:37:24,748 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 17:37:24,748 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86236d26-c5f9-47a3-8af6-2aed9041f61d/bin/utaipan-verify-nQ1chXbOIh/mathsat [2023-12-02 17:37:24,749 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86236d26-c5f9-47a3-8af6-2aed9041f61d/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 17:37:24,750 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86236d26-c5f9-47a3-8af6-2aed9041f61d/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 (12)] Waiting until timeout for monitored process [2023-12-02 17:37:25,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 17:37:25,039 INFO L262 TraceCheckSpWp]: Trace formula consists of 162 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 17:37:25,041 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 17:37:25,059 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 36 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2023-12-02 17:37:25,060 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-02 17:37:25,060 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-12-02 17:37:25,060 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [199577681] [2023-12-02 17:37:25,060 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [199577681] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 17:37:25,060 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 17:37:25,060 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-12-02 17:37:25,060 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [165249128] [2023-12-02 17:37:25,060 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 17:37:25,061 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-02 17:37:25,061 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-12-02 17:37:25,061 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-02 17:37:25,061 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-12-02 17:37:25,061 INFO L87 Difference]: Start difference. First operand 505 states and 718 transitions. Second operand has 4 states, 4 states have (on average 11.0) internal successors, (44), 4 states have internal predecessors, (44), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2023-12-02 17:37:25,159 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 17:37:25,159 INFO L93 Difference]: Finished difference Result 1017 states and 1447 transitions. [2023-12-02 17:37:25,159 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-12-02 17:37:25,159 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 11.0) internal successors, (44), 4 states have internal predecessors, (44), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 68 [2023-12-02 17:37:25,160 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 17:37:25,163 INFO L225 Difference]: With dead ends: 1017 [2023-12-02 17:37:25,163 INFO L226 Difference]: Without dead ends: 513 [2023-12-02 17:37:25,164 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 65 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 17:37:25,165 INFO L413 NwaCegarLoop]: 117 mSDtfsCounter, 7 mSDsluCounter, 213 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 330 SdHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-02 17:37:25,165 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 330 Invalid, 26 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-02 17:37:25,166 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 513 states. [2023-12-02 17:37:25,195 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 513 to 505. [2023-12-02 17:37:25,197 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 505 states, 468 states have (on average 1.4017094017094016) internal successors, (656), 472 states have internal predecessors, (656), 30 states have call successors, (30), 6 states have call predecessors, (30), 6 states have return successors, (30), 26 states have call predecessors, (30), 30 states have call successors, (30) [2023-12-02 17:37:25,200 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 505 states to 505 states and 716 transitions. [2023-12-02 17:37:25,200 INFO L78 Accepts]: Start accepts. Automaton has 505 states and 716 transitions. Word has length 68 [2023-12-02 17:37:25,201 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 17:37:25,201 INFO L495 AbstractCegarLoop]: Abstraction has 505 states and 716 transitions. [2023-12-02 17:37:25,201 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.0) internal successors, (44), 4 states have internal predecessors, (44), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2023-12-02 17:37:25,201 INFO L276 IsEmpty]: Start isEmpty. Operand 505 states and 716 transitions. [2023-12-02 17:37:25,202 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2023-12-02 17:37:25,203 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 17:37:25,203 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 17:37:25,212 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86236d26-c5f9-47a3-8af6-2aed9041f61d/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 (12)] Ended with exit code 0 [2023-12-02 17:37:25,403 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86236d26-c5f9-47a3-8af6-2aed9041f61d/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 17:37:25,404 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 17:37:25,404 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 17:37:25,404 INFO L85 PathProgramCache]: Analyzing trace with hash -551470754, now seen corresponding path program 1 times [2023-12-02 17:37:25,404 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-12-02 17:37:25,404 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [707498232] [2023-12-02 17:37:25,404 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 17:37:25,404 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 17:37:25,405 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86236d26-c5f9-47a3-8af6-2aed9041f61d/bin/utaipan-verify-nQ1chXbOIh/mathsat [2023-12-02 17:37:25,405 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86236d26-c5f9-47a3-8af6-2aed9041f61d/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 17:37:25,406 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86236d26-c5f9-47a3-8af6-2aed9041f61d/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 17:37:25,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 17:37:25,855 INFO L262 TraceCheckSpWp]: Trace formula consists of 169 conjuncts, 25 conjunts are in the unsatisfiable core [2023-12-02 17:37:25,858 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 17:37:26,321 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2023-12-02 17:37:26,969 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 69 treesize of output 54 [2023-12-02 17:37:27,367 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 74 treesize of output 54 [2023-12-02 17:37:27,438 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 131 treesize of output 67 [2023-12-02 17:37:27,563 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 120 treesize of output 93 [2023-12-02 17:37:27,916 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-12-02 17:37:27,916 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 58 [2023-12-02 17:37:28,038 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2023-12-02 17:37:28,038 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 17:37:28,809 WARN L854 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_245 (Array (_ BitVec 32) (_ BitVec 32))) (|v_skolemized_q#valueAsBitvector_59| (_ BitVec 32))) (let ((.cse5 (select |c_#memory_int| |c_~#float_Array_0~0.base|)) (.cse4 (bvadd (_ bv4 32) |c_~#float_Array_0~0.offset|))) (or (not (let ((.cse2 (bvadd (_ bv8 32) |c_~#float_Array_0~0.offset|))) (let ((.cse1 (select (store (store |c_#memory_int| |c_~#float_Array_0~0.base| (store .cse5 .cse2 |v_skolemized_q#valueAsBitvector_59|)) |c_~#unsigned_short_int_Array_0~0.base| v_ArrVal_245) |c_~#float_Array_0~0.base|))) (fp.lt (let ((.cse0 (select .cse1 .cse2))) (fp ((_ extract 31 31) .cse0) ((_ extract 30 23) .cse0) ((_ extract 22 0) .cse0))) (let ((.cse3 (select .cse1 .cse4))) (fp ((_ extract 31 31) .cse3) ((_ extract 30 23) .cse3) ((_ extract 22 0) .cse3))))))) (not (= (fp ((_ extract 31 31) |v_skolemized_q#valueAsBitvector_59|) ((_ extract 30 23) |v_skolemized_q#valueAsBitvector_59|) ((_ extract 22 0) |v_skolemized_q#valueAsBitvector_59|)) (let ((.cse6 (select .cse5 .cse4))) (fp ((_ extract 31 31) .cse6) ((_ extract 30 23) .cse6) ((_ extract 22 0) .cse6)))))))) is different from false [2023-12-02 17:37:28,855 WARN L854 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_245 (Array (_ BitVec 32) (_ BitVec 32))) (v_ArrVal_242 (Array (_ BitVec 32) (_ BitVec 32))) (v_ArrVal_243 (Array (_ BitVec 32) (_ BitVec 32))) (|v_skolemized_q#valueAsBitvector_59| (_ BitVec 32))) (let ((.cse7 (store (store |c_#memory_int| |c_~#BOOL_unsigned_char_Array_0~0.base| v_ArrVal_242) |c_~#unsigned_char_Array_0~0.base| v_ArrVal_243))) (let ((.cse2 (bvadd (_ bv4 32) |c_~#float_Array_0~0.offset|)) (.cse1 (select .cse7 |c_~#float_Array_0~0.base|))) (or (not (= (let ((.cse0 (select .cse1 .cse2))) (fp ((_ extract 31 31) .cse0) ((_ extract 30 23) .cse0) ((_ extract 22 0) .cse0))) (fp ((_ extract 31 31) |v_skolemized_q#valueAsBitvector_59|) ((_ extract 30 23) |v_skolemized_q#valueAsBitvector_59|) ((_ extract 22 0) |v_skolemized_q#valueAsBitvector_59|)))) (not (let ((.cse5 (bvadd (_ bv8 32) |c_~#float_Array_0~0.offset|))) (let ((.cse4 (select (store (store .cse7 |c_~#float_Array_0~0.base| (store .cse1 .cse5 |v_skolemized_q#valueAsBitvector_59|)) |c_~#unsigned_short_int_Array_0~0.base| v_ArrVal_245) |c_~#float_Array_0~0.base|))) (fp.lt (let ((.cse3 (select .cse4 .cse5))) (fp ((_ extract 31 31) .cse3) ((_ extract 30 23) .cse3) ((_ extract 22 0) .cse3))) (let ((.cse6 (select .cse4 .cse2))) (fp ((_ extract 31 31) .cse6) ((_ extract 30 23) .cse6) ((_ extract 22 0) .cse6))))))))))) is different from false [2023-12-02 17:37:28,889 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-12-02 17:37:28,889 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [707498232] [2023-12-02 17:37:28,889 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [707498232] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-02 17:37:28,889 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1875236588] [2023-12-02 17:37:28,889 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 17:37:28,889 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 17:37:28,889 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86236d26-c5f9-47a3-8af6-2aed9041f61d/bin/utaipan-verify-nQ1chXbOIh/cvc4 [2023-12-02 17:37:28,890 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86236d26-c5f9-47a3-8af6-2aed9041f61d/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 17:37:28,891 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86236d26-c5f9-47a3-8af6-2aed9041f61d/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt (14)] Waiting until timeout for monitored process [2023-12-02 17:37:30,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 17:37:30,445 INFO L262 TraceCheckSpWp]: Trace formula consists of 169 conjuncts, 39 conjunts are in the unsatisfiable core [2023-12-02 17:37:30,448 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 17:37:31,211 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2023-12-02 17:37:32,310 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 57 treesize of output 42 [2023-12-02 17:37:32,882 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 62 treesize of output 42 [2023-12-02 17:37:33,068 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 103 treesize of output 59 [2023-12-02 17:37:33,553 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 166 treesize of output 121 [2023-12-02 17:37:51,070 WARN L854 $PredicateComparison]: unable to prove that (let ((.cse3 (select |c_#memory_int| (_ bv5 32)))) (let ((.cse0 (let ((.cse4 (select .cse3 (_ bv4 32)))) (fp ((_ extract 31 31) .cse4) ((_ extract 30 23) .cse4) ((_ extract 22 0) .cse4)))) (.cse1 (let ((.cse2 (select .cse3 (_ bv8 32)))) (fp ((_ extract 31 31) .cse2) ((_ extract 30 23) .cse2) ((_ extract 22 0) .cse2))))) (and (= |c_~#float_Array_0~0.offset| (_ bv0 32)) (= |c_~#float_Array_0~0.base| (_ bv5 32)) (fp.leq .cse0 (fp.neg ((_ to_fp 8 24) roundNearestTiesToEven (/ 1.0 100000000000000000000.0)))) (fp.geq .cse0 (fp.neg ((_ to_fp 8 24) roundNearestTiesToEven 9223372036854765600.0))) (not (fp.gt (fp.add roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven .cse1) ((_ to_fp 11 53) roundNearestTiesToEven (/ 65.0 8.0))) ((_ to_fp 11 53) roundNearestTiesToEven (fp.mul roundNearestTiesToEven .cse1 .cse0)))) (= .cse0 .cse1) (= (_ bv6 32) |c_~#unsigned_char_Array_0~0.base|)))) is different from false [2023-12-02 17:37:53,095 WARN L876 $PredicateComparison]: unable to prove that (let ((.cse3 (select |c_#memory_int| (_ bv5 32)))) (let ((.cse0 (let ((.cse4 (select .cse3 (_ bv4 32)))) (fp ((_ extract 31 31) .cse4) ((_ extract 30 23) .cse4) ((_ extract 22 0) .cse4)))) (.cse1 (let ((.cse2 (select .cse3 (_ bv8 32)))) (fp ((_ extract 31 31) .cse2) ((_ extract 30 23) .cse2) ((_ extract 22 0) .cse2))))) (and (= |c_~#float_Array_0~0.offset| (_ bv0 32)) (= |c_~#float_Array_0~0.base| (_ bv5 32)) (fp.leq .cse0 (fp.neg ((_ to_fp 8 24) roundNearestTiesToEven (/ 1.0 100000000000000000000.0)))) (fp.geq .cse0 (fp.neg ((_ to_fp 8 24) roundNearestTiesToEven 9223372036854765600.0))) (not (fp.gt (fp.add roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven .cse1) ((_ to_fp 11 53) roundNearestTiesToEven (/ 65.0 8.0))) ((_ to_fp 11 53) roundNearestTiesToEven (fp.mul roundNearestTiesToEven .cse1 .cse0)))) (= .cse0 .cse1) (= (_ bv6 32) |c_~#unsigned_char_Array_0~0.base|)))) is different from true [2023-12-02 17:39:39,068 WARN L293 SmtUtils]: Spent 24.12s on a formula simplification that was a NOOP. DAG size: 46 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-02 17:40:04,535 WARN L854 $PredicateComparison]: unable to prove that (let ((.cse3 (select |c_#memory_int| (_ bv5 32)))) (let ((.cse0 (let ((.cse4 (select .cse3 (_ bv4 32)))) (fp ((_ extract 31 31) .cse4) ((_ extract 30 23) .cse4) ((_ extract 22 0) .cse4)))) (.cse1 (let ((.cse2 (select .cse3 (_ bv8 32)))) (fp ((_ extract 31 31) .cse2) ((_ extract 30 23) .cse2) ((_ extract 22 0) .cse2))))) (and (= |c_~#float_Array_0~0.offset| (_ bv0 32)) (= |c_~#float_Array_0~0.base| (_ bv5 32)) (fp.leq .cse0 (fp.neg ((_ to_fp 8 24) roundNearestTiesToEven (/ 1.0 100000000000000000000.0)))) (fp.geq .cse0 (fp.neg ((_ to_fp 8 24) roundNearestTiesToEven 9223372036854765600.0))) (not (fp.gt (fp.add roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven .cse1) ((_ to_fp 11 53) roundNearestTiesToEven (/ 65.0 8.0))) ((_ to_fp 11 53) roundNearestTiesToEven (fp.mul roundNearestTiesToEven .cse1 .cse0)))) (= .cse0 .cse1) (= (_ bv6 32) |c_~#unsigned_char_Array_0~0.base|) (= |c_ULTIMATE.start_step_#t~ite30#1| .cse1)))) is different from false [2023-12-02 17:40:57,039 WARN L854 $PredicateComparison]: unable to prove that (let ((.cse3 (select |c_#memory_int| (_ bv5 32)))) (let ((.cse1 (let ((.cse4 (select .cse3 (_ bv4 32)))) (fp ((_ extract 31 31) .cse4) ((_ extract 30 23) .cse4) ((_ extract 22 0) .cse4)))) (.cse0 (let ((.cse2 (select .cse3 (_ bv8 32)))) (fp ((_ extract 31 31) .cse2) ((_ extract 30 23) .cse2) ((_ extract 22 0) .cse2))))) (and (= |c_~#float_Array_0~0.offset| (_ bv0 32)) (= |c_~#float_Array_0~0.base| (_ bv5 32)) (exists ((|v_ULTIMATE.start_step_#t~mem31#1_27| (_ FloatingPoint 8 24))) (fp.eq .cse0 |v_ULTIMATE.start_step_#t~mem31#1_27|)) (fp.leq .cse1 (fp.neg ((_ to_fp 8 24) roundNearestTiesToEven (/ 1.0 100000000000000000000.0)))) (fp.geq .cse1 (fp.neg ((_ to_fp 8 24) roundNearestTiesToEven 9223372036854765600.0))) (not (fp.gt (fp.add roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven .cse0) ((_ to_fp 11 53) roundNearestTiesToEven (/ 65.0 8.0))) ((_ to_fp 11 53) roundNearestTiesToEven (fp.mul roundNearestTiesToEven .cse0 .cse1)))) (= .cse1 .cse0) (= (_ bv6 32) |c_~#unsigned_char_Array_0~0.base|)))) is different from false [2023-12-02 17:40:59,069 WARN L876 $PredicateComparison]: unable to prove that (let ((.cse3 (select |c_#memory_int| (_ bv5 32)))) (let ((.cse1 (let ((.cse4 (select .cse3 (_ bv4 32)))) (fp ((_ extract 31 31) .cse4) ((_ extract 30 23) .cse4) ((_ extract 22 0) .cse4)))) (.cse0 (let ((.cse2 (select .cse3 (_ bv8 32)))) (fp ((_ extract 31 31) .cse2) ((_ extract 30 23) .cse2) ((_ extract 22 0) .cse2))))) (and (= |c_~#float_Array_0~0.offset| (_ bv0 32)) (= |c_~#float_Array_0~0.base| (_ bv5 32)) (exists ((|v_ULTIMATE.start_step_#t~mem31#1_27| (_ FloatingPoint 8 24))) (fp.eq .cse0 |v_ULTIMATE.start_step_#t~mem31#1_27|)) (fp.leq .cse1 (fp.neg ((_ to_fp 8 24) roundNearestTiesToEven (/ 1.0 100000000000000000000.0)))) (fp.geq .cse1 (fp.neg ((_ to_fp 8 24) roundNearestTiesToEven 9223372036854765600.0))) (not (fp.gt (fp.add roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven .cse0) ((_ to_fp 11 53) roundNearestTiesToEven (/ 65.0 8.0))) ((_ to_fp 11 53) roundNearestTiesToEven (fp.mul roundNearestTiesToEven .cse0 .cse1)))) (= .cse1 .cse0) (= (_ bv6 32) |c_~#unsigned_char_Array_0~0.base|)))) is different from true [2023-12-02 17:42:02,590 WARN L876 $PredicateComparison]: unable to prove that (let ((.cse3 (select |c_#memory_int| (_ bv5 32)))) (let ((.cse1 (let ((.cse4 (select .cse3 (_ bv4 32)))) (fp ((_ extract 31 31) .cse4) ((_ extract 30 23) .cse4) ((_ extract 22 0) .cse4)))) (.cse0 (let ((.cse2 (select .cse3 (_ bv8 32)))) (fp ((_ extract 31 31) .cse2) ((_ extract 30 23) .cse2) ((_ extract 22 0) .cse2))))) (and (= |c_~#float_Array_0~0.offset| (_ bv0 32)) (= |c_~#float_Array_0~0.base| (_ bv5 32)) (exists ((|v_ULTIMATE.start_step_#t~mem31#1_27| (_ FloatingPoint 8 24))) (fp.eq .cse0 |v_ULTIMATE.start_step_#t~mem31#1_27|)) (fp.leq .cse1 (fp.neg ((_ to_fp 8 24) roundNearestTiesToEven (/ 1.0 100000000000000000000.0)))) (fp.geq .cse1 (fp.neg ((_ to_fp 8 24) roundNearestTiesToEven 9223372036854765600.0))) (not (fp.gt (fp.add roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven .cse0) ((_ to_fp 11 53) roundNearestTiesToEven (/ 65.0 8.0))) ((_ to_fp 11 53) roundNearestTiesToEven (fp.mul roundNearestTiesToEven .cse0 .cse1)))) (= .cse1 .cse0) (= (_ bv6 32) |c_~#unsigned_char_Array_0~0.base|) (= .cse1 |c_ULTIMATE.start_step_#t~mem37#1|) (= |c_ULTIMATE.start_step_#t~mem36#1| .cse0)))) is different from true [2023-12-02 17:42:02,608 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 226 treesize of output 163 [2023-12-02 17:42:02,861 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 36 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2023-12-02 17:42:02,861 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-02 17:42:02,861 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1875236588] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 17:42:02,862 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-12-02 17:42:02,862 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [11] total 24 [2023-12-02 17:42:02,862 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1795816369] [2023-12-02 17:42:02,862 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 17:42:02,862 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2023-12-02 17:42:02,862 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-12-02 17:42:02,863 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2023-12-02 17:42:02,863 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=107, Invalid=490, Unknown=27, NotChecked=306, Total=930 [2023-12-02 17:42:02,864 INFO L87 Difference]: Start difference. First operand 505 states and 716 transitions. Second operand has 15 states, 15 states have (on average 3.0) internal successors, (45), 14 states have internal predecessors, (45), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2023-12-02 17:42:04,900 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 17:42:06,932 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.99s for a HTC check with result INVALID. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 17:42:08,898 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.97s for a HTC check with result INVALID. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 17:42:10,933 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 17:42:12,966 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 17:42:15,013 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 17:42:17,063 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 17:42:19,110 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 17:42:21,162 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 17:42:23,223 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 17:42:25,277 WARN L539 Checker$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 [] [2023-12-02 17:42:26,868 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.59s for a HTC check with result INVALID. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 17:42:28,904 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 17:42:30,936 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 17:42:32,817 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.83s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 17:42:34,867 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 17:42:36,672 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.75s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 17:42:38,707 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 17:42:40,741 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 17:42:43,404 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 17:42:45,453 WARN L539 Checker$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 [] [2023-12-02 17:42:47,514 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 17:42:49,723 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 17:42:51,767 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 17:42:53,970 WARN L539 Checker$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 [] [2023-12-02 17:42:56,017 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 17:42:58,065 WARN L539 Checker$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 [] [2023-12-02 17:42:59,754 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.64s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 17:43:01,791 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 17:43:03,828 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 17:43:05,870 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 17:43:07,907 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 17:43:09,946 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 17:43:11,986 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 17:43:14,020 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 17:43:16,068 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 17:43:18,129 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 17:43:20,179 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 17:43:22,226 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 17:43:24,274 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 17:43:26,316 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 17:43:28,359 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 17:43:30,398 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 17:43:32,447 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 17:43:34,388 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.89s for a HTC check with result INVALID. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 17:43:36,439 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 17:43:38,483 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 17:43:40,535 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 17:43:42,587 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 17:43:44,679 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 17:43:46,737 WARN L539 Checker$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 [] [2023-12-02 17:43:50,929 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 17:43:52,756 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.78s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 17:43:56,931 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 17:43:58,987 WARN L539 Checker$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 [] [2023-12-02 17:44:01,104 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.12s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 17:44:03,109 WARN L539 Checker$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 [] [2023-12-02 17:44:04,128 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.02s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 17:44:06,093 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.96s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 17:44:08,242 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 17:44:10,246 WARN L539 Checker$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 [] [2023-12-02 17:44:12,250 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 17:44:14,253 WARN L539 Checker$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 [] [2023-12-02 17:44:18,137 WARN L876 $PredicateComparison]: unable to prove that (let ((.cse3 (select |c_#memory_int| (_ bv5 32)))) (let ((.cse1 (let ((.cse4 (select .cse3 (_ bv8 32)))) (fp ((_ extract 31 31) .cse4) ((_ extract 30 23) .cse4) ((_ extract 22 0) .cse4)))) (.cse0 (let ((.cse2 (select .cse3 (_ bv4 32)))) (fp ((_ extract 31 31) .cse2) ((_ extract 30 23) .cse2) ((_ extract 22 0) .cse2))))) (and (= |c_~#float_Array_0~0.offset| (_ bv0 32)) (= |c_~#float_Array_0~0.base| (_ bv5 32)) (= (_ bv7 32) |c_~#unsigned_short_int_Array_0~0.base|) (= (_ bv4 32) |c_~#BOOL_unsigned_char_Array_0~0.base|) (fp.leq .cse0 (fp.neg ((_ to_fp 8 24) roundNearestTiesToEven (/ 1.0 100000000000000000000.0)))) (fp.geq .cse0 (fp.neg ((_ to_fp 8 24) roundNearestTiesToEven 9223372036854765600.0))) (not (fp.gt (fp.add roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven .cse1) ((_ to_fp 11 53) roundNearestTiesToEven (/ 65.0 8.0))) ((_ to_fp 11 53) roundNearestTiesToEven (fp.mul roundNearestTiesToEven .cse1 .cse0)))) (= .cse0 .cse1) (fp.leq .cse0 (fp.neg ((_ to_fp 8 24) c_currentRoundingMode (/ 1.0 100000000000000000000.0)))) (= (_ bv6 32) |c_~#unsigned_char_Array_0~0.base|) (fp.geq .cse0 (fp.neg ((_ to_fp 8 24) c_currentRoundingMode 9223372036854765600.0))) (= c_currentRoundingMode roundNearestTiesToEven)))) is different from true [2023-12-02 17:44:20,224 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.09s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 17:44:22,229 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 17:44:24,232 WARN L539 Checker$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 [] [2023-12-02 17:44:26,801 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.69s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 17:44:29,090 WARN L539 Checker$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 [] [2023-12-02 17:44:30,865 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.72s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 17:44:32,920 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 17:44:34,972 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 17:44:37,091 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.12s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 17:44:39,095 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 17:44:41,098 WARN L539 Checker$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 [] [2023-12-02 17:44:43,102 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 17:44:44,959 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.86s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 17:44:46,966 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 17:44:49,110 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.14s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 17:44:52,065 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 17:44:53,809 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.74s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 17:44:56,156 WARN L854 $PredicateComparison]: unable to prove that (let ((.cse3 (select |c_#memory_int| (_ bv5 32)))) (let ((.cse1 (let ((.cse4 (select .cse3 (_ bv4 32)))) (fp ((_ extract 31 31) .cse4) ((_ extract 30 23) .cse4) ((_ extract 22 0) .cse4)))) (.cse0 (let ((.cse2 (select .cse3 (_ bv8 32)))) (fp ((_ extract 31 31) .cse2) ((_ extract 30 23) .cse2) ((_ extract 22 0) .cse2))))) (and (= |c_~#float_Array_0~0.offset| (_ bv0 32)) (= |c_ULTIMATE.start_step_#t~mem27#1| .cse0) (= |c_~#float_Array_0~0.base| (_ bv5 32)) (= .cse1 |c_ULTIMATE.start_step_#t~mem26#1|) (fp.leq .cse1 (fp.neg ((_ to_fp 8 24) roundNearestTiesToEven (/ 1.0 100000000000000000000.0)))) (fp.geq .cse1 (fp.neg ((_ to_fp 8 24) roundNearestTiesToEven 9223372036854765600.0))) (not (fp.gt (fp.add roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven .cse0) ((_ to_fp 11 53) roundNearestTiesToEven (/ 65.0 8.0))) ((_ to_fp 11 53) roundNearestTiesToEven (fp.mul roundNearestTiesToEven .cse0 .cse1)))) (= .cse1 .cse0) (= (_ bv6 32) |c_~#unsigned_char_Array_0~0.base|) (= |c_ULTIMATE.start_step_#t~ite30#1| .cse0)))) is different from false [2023-12-02 17:44:58,189 WARN L876 $PredicateComparison]: unable to prove that (let ((.cse3 (select |c_#memory_int| (_ bv5 32)))) (let ((.cse1 (let ((.cse4 (select .cse3 (_ bv4 32)))) (fp ((_ extract 31 31) .cse4) ((_ extract 30 23) .cse4) ((_ extract 22 0) .cse4)))) (.cse0 (let ((.cse2 (select .cse3 (_ bv8 32)))) (fp ((_ extract 31 31) .cse2) ((_ extract 30 23) .cse2) ((_ extract 22 0) .cse2))))) (and (= |c_~#float_Array_0~0.offset| (_ bv0 32)) (= |c_ULTIMATE.start_step_#t~mem27#1| .cse0) (= |c_~#float_Array_0~0.base| (_ bv5 32)) (= .cse1 |c_ULTIMATE.start_step_#t~mem26#1|) (fp.leq .cse1 (fp.neg ((_ to_fp 8 24) roundNearestTiesToEven (/ 1.0 100000000000000000000.0)))) (fp.geq .cse1 (fp.neg ((_ to_fp 8 24) roundNearestTiesToEven 9223372036854765600.0))) (not (fp.gt (fp.add roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven .cse0) ((_ to_fp 11 53) roundNearestTiesToEven (/ 65.0 8.0))) ((_ to_fp 11 53) roundNearestTiesToEven (fp.mul roundNearestTiesToEven .cse0 .cse1)))) (= .cse1 .cse0) (= (_ bv6 32) |c_~#unsigned_char_Array_0~0.base|) (= |c_ULTIMATE.start_step_#t~ite30#1| .cse0)))) is different from true [2023-12-02 17:45:00,342 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 17:45:02,400 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 17:45:04,441 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 17:45:06,483 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 17:45:09,575 WARN L539 Checker$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 [] [2023-12-02 17:45:11,665 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 17:45:13,712 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 17:45:15,769 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 17:45:17,821 WARN L539 Checker$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 [] [2023-12-02 17:45:19,876 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 17:45:21,940 WARN L539 Checker$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 [] [2023-12-02 17:45:23,997 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 17:45:26,035 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 17:45:28,079 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 17:45:30,123 WARN L539 Checker$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 [] [2023-12-02 17:45:32,333 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 17:45:34,076 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.56s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 17:45:36,725 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 17:45:38,781 WARN L539 Checker$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 [] [2023-12-02 17:45:40,821 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 17:45:42,862 WARN L539 Checker$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 [] [2023-12-02 17:45:44,290 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.38s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 17:45:46,492 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.08s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 17:45:48,605 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 17:45:50,647 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 17:45:52,688 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 17:45:54,767 WARN L539 Checker$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 [] [2023-12-02 17:45:56,832 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 17:45:59,207 WARN L539 Checker$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 [] [2023-12-02 17:46:01,343 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 17:46:03,251 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.86s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 17:46:04,402 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.10s for a HTC check with result INVALID. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 17:46:06,471 WARN L539 Checker$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 [] [2023-12-02 17:46:08,551 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 17:46:10,618 WARN L539 Checker$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 [] [2023-12-02 17:46:12,682 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 17:46:14,694 WARN L539 Checker$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 [] [2023-12-02 17:46:16,755 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 17:46:18,813 WARN L539 Checker$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 [] [2023-12-02 17:46:20,976 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 17:46:23,074 WARN L539 Checker$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 [] [2023-12-02 17:46:25,155 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 17:46:26,633 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.43s for a HTC check with result INVALID. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 17:46:28,672 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 17:46:30,708 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 17:46:32,772 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 17:46:34,832 WARN L539 Checker$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 [] [2023-12-02 17:46:36,904 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 17:46:38,969 WARN L539 Checker$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 [] [2023-12-02 17:46:41,033 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 17:46:42,917 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.83s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 17:46:44,969 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 17:46:47,014 WARN L539 Checker$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 [] [2023-12-02 17:46:49,079 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 17:46:51,117 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 17:46:53,155 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 17:46:55,214 WARN L539 Checker$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 [] [2023-12-02 17:46:57,304 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 17:46:59,431 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.13s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 17:47:01,434 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 17:47:03,735 WARN L539 Checker$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 [] [2023-12-02 17:47:05,888 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.15s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 17:47:07,583 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.70s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 17:47:09,708 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 17:47:11,799 WARN L539 Checker$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 [] [2023-12-02 17:47:13,839 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 17:47:15,983 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.14s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 17:47:17,987 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 17:47:19,990 WARN L539 Checker$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 [] [2023-12-02 17:47:21,747 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.76s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 17:47:23,831 WARN L539 Checker$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 [] [2023-12-02 17:47:25,992 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.16s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 17:47:27,298 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.31s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 17:47:29,485 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 17:47:31,550 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 17:47:33,586 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 17:47:35,658 WARN L539 Checker$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 [] [2023-12-02 17:47:37,728 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 17:47:39,732 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.95s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 17:47:41,785 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 17:47:43,789 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.95s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 17:47:45,838 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 17:47:47,910 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 17:47:49,970 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 17:47:52,006 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 17:47:54,049 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 17:47:56,184 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.13s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 17:47:58,186 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 17:48:00,190 WARN L539 Checker$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 [] [2023-12-02 17:48:01,794 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.60s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 17:48:03,851 WARN L539 Checker$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 [] [2023-12-02 17:48:06,005 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.15s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 17:48:08,009 WARN L539 Checker$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 [] [2023-12-02 17:48:10,013 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 17:48:12,017 WARN L539 Checker$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 [] [2023-12-02 17:48:13,136 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.12s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 17:48:15,142 WARN L539 Checker$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 [] [2023-12-02 17:48:17,295 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.15s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 17:48:19,299 WARN L539 Checker$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 []