./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-97.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 30e01a73 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_9dfb53fb-afcf-4063-bc9e-83b895ef6ae9/bin/utaipan-verify-mE87zJ7Ire/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9dfb53fb-afcf-4063-bc9e-83b895ef6ae9/bin/utaipan-verify-mE87zJ7Ire/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9dfb53fb-afcf-4063-bc9e-83b895ef6ae9/bin/utaipan-verify-mE87zJ7Ire/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9dfb53fb-afcf-4063-bc9e-83b895ef6ae9/bin/utaipan-verify-mE87zJ7Ire/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-97.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9dfb53fb-afcf-4063-bc9e-83b895ef6ae9/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9dfb53fb-afcf-4063-bc9e-83b895ef6ae9/bin/utaipan-verify-mE87zJ7Ire --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash e67445e12651560afd9610d5a103069fc2fc9d028994dc4bd874cfab54748c3d --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 21:29:09,129 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 21:29:09,260 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9dfb53fb-afcf-4063-bc9e-83b895ef6ae9/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Reach-32bit-Taipan_Default.epf [2023-11-23 21:29:09,267 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 21:29:09,269 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-23 21:29:09,313 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 21:29:09,314 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-23 21:29:09,315 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-23 21:29:09,316 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 21:29:09,321 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-23 21:29:09,322 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-23 21:29:09,323 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-23 21:29:09,323 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-23 21:29:09,325 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-23 21:29:09,326 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-23 21:29:09,326 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-23 21:29:09,327 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-23 21:29:09,327 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-23 21:29:09,328 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-23 21:29:09,328 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-23 21:29:09,329 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-23 21:29:09,329 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-23 21:29:09,330 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 21:29:09,331 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 21:29:09,331 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-23 21:29:09,332 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-23 21:29:09,332 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-23 21:29:09,333 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 21:29:09,333 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 21:29:09,333 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 21:29:09,335 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 21:29:09,335 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-23 21:29:09,335 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 21:29:09,336 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 21:29:09,336 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 21:29:09,336 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-23 21:29:09,336 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-23 21:29:09,337 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:29:09,337 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 21:29:09,337 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 21:29:09,337 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 21:29:09,338 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-23 21:29:09,338 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-23 21:29:09,338 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-23 21:29:09,339 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 21:29:09,339 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-23 21:29:09,339 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-23 21:29:09,340 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_9dfb53fb-afcf-4063-bc9e-83b895ef6ae9/bin/utaipan-verify-mE87zJ7Ire/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9dfb53fb-afcf-4063-bc9e-83b895ef6ae9/bin/utaipan-verify-mE87zJ7Ire Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e67445e12651560afd9610d5a103069fc2fc9d028994dc4bd874cfab54748c3d [2023-11-23 21:29:09,644 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 21:29:09,673 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 21:29:09,677 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 21:29:09,679 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 21:29:09,680 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 21:29:09,681 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9dfb53fb-afcf-4063-bc9e-83b895ef6ae9/bin/utaipan-verify-mE87zJ7Ire/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-97.i [2023-11-23 21:29:13,478 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 21:29:13,687 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 21:29:13,687 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9dfb53fb-afcf-4063-bc9e-83b895ef6ae9/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-97.i [2023-11-23 21:29:13,696 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9dfb53fb-afcf-4063-bc9e-83b895ef6ae9/bin/utaipan-verify-mE87zJ7Ire/data/15e7dbfd6/31d1abdd82c64e0fa405872961feaf05/FLAG61df32cb0 [2023-11-23 21:29:13,709 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9dfb53fb-afcf-4063-bc9e-83b895ef6ae9/bin/utaipan-verify-mE87zJ7Ire/data/15e7dbfd6/31d1abdd82c64e0fa405872961feaf05 [2023-11-23 21:29:13,712 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 21:29:13,713 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 21:29:13,715 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 21:29:13,715 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 21:29:13,720 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 21:29:13,721 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:29:13" (1/1) ... [2023-11-23 21:29:13,723 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7cfe9ebc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:29:13, skipping insertion in model container [2023-11-23 21:29:13,723 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:29:13" (1/1) ... [2023-11-23 21:29:13,762 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 21:29:13,910 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_9dfb53fb-afcf-4063-bc9e-83b895ef6ae9/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-97.i[916,929] [2023-11-23 21:29:13,966 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 21:29:13,980 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 21:29:13,993 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_9dfb53fb-afcf-4063-bc9e-83b895ef6ae9/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-97.i[916,929] [2023-11-23 21:29:14,038 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 21:29:14,062 INFO L206 MainTranslator]: Completed translation [2023-11-23 21:29:14,063 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:29:14 WrapperNode [2023-11-23 21:29:14,063 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 21:29:14,064 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 21:29:14,064 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 21:29:14,065 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 21:29:14,073 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:29:14" (1/1) ... [2023-11-23 21:29:14,087 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:29:14" (1/1) ... [2023-11-23 21:29:14,134 INFO L138 Inliner]: procedures = 29, calls = 145, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 384 [2023-11-23 21:29:14,135 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 21:29:14,136 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 21:29:14,136 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 21:29:14,136 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 21:29:14,146 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:29:14" (1/1) ... [2023-11-23 21:29:14,147 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:29:14" (1/1) ... [2023-11-23 21:29:14,154 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:29:14" (1/1) ... [2023-11-23 21:29:14,157 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:29:14" (1/1) ... [2023-11-23 21:29:14,191 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:29:14" (1/1) ... [2023-11-23 21:29:14,198 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:29:14" (1/1) ... [2023-11-23 21:29:14,213 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:29:14" (1/1) ... [2023-11-23 21:29:14,218 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:29:14" (1/1) ... [2023-11-23 21:29:14,225 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 21:29:14,232 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 21:29:14,233 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 21:29:14,233 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 21:29:14,234 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:29:14" (1/1) ... [2023-11-23 21:29:14,241 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:29:14,253 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9dfb53fb-afcf-4063-bc9e-83b895ef6ae9/bin/utaipan-verify-mE87zJ7Ire/z3 [2023-11-23 21:29:14,266 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9dfb53fb-afcf-4063-bc9e-83b895ef6ae9/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-23 21:29:14,307 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9dfb53fb-afcf-4063-bc9e-83b895ef6ae9/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-23 21:29:14,318 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 21:29:14,318 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2023-11-23 21:29:14,318 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-23 21:29:14,318 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2023-11-23 21:29:14,321 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-23 21:29:14,321 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real [2023-11-23 21:29:14,321 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-23 21:29:14,322 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-23 21:29:14,322 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-23 21:29:14,322 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 21:29:14,322 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 21:29:14,478 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 21:29:14,480 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 21:29:15,084 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 21:29:15,782 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 21:29:15,783 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-23 21:29:15,785 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:29:15 BoogieIcfgContainer [2023-11-23 21:29:15,785 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 21:29:15,790 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-23 21:29:15,790 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-23 21:29:15,794 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-23 21:29:15,795 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 09:29:13" (1/3) ... [2023-11-23 21:29:15,796 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@258f61f8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:29:15, skipping insertion in model container [2023-11-23 21:29:15,797 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:29:14" (2/3) ... [2023-11-23 21:29:15,799 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@258f61f8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:29:15, skipping insertion in model container [2023-11-23 21:29:15,799 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:29:15" (3/3) ... [2023-11-23 21:29:15,801 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_wrapper-s_file-97.i [2023-11-23 21:29:15,822 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-23 21:29:15,823 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-23 21:29:15,895 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-23 21:29:15,904 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;@62caa1b2, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-23 21:29:15,904 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-23 21:29:15,909 INFO L276 IsEmpty]: Start isEmpty. Operand has 43 states, 23 states have (on average 1.1304347826086956) internal successors, (26), 24 states have internal predecessors, (26), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2023-11-23 21:29:15,922 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2023-11-23 21:29:15,922 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:29:15,924 INFO L195 NwaCegarLoop]: trace histogram [17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 21:29:15,925 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:29:15,933 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:29:15,933 INFO L85 PathProgramCache]: Analyzing trace with hash -408107570, now seen corresponding path program 1 times [2023-11-23 21:29:15,953 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-23 21:29:15,954 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [536490784] [2023-11-23 21:29:15,954 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:29:15,955 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 21:29:18,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-23 21:29:18,401 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-23 21:29:19,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-23 21:29:19,976 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2023-11-23 21:29:19,978 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-23 21:29:19,979 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-23 21:29:19,981 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-23 21:29:19,985 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-11-23 21:29:19,989 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-23 21:29:20,020 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem33 could not be translated [2023-11-23 21:29:20,021 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem33 could not be translated [2023-11-23 21:29:20,021 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem34 could not be translated [2023-11-23 21:29:20,022 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem34 could not be translated [2023-11-23 21:29:20,022 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem36 could not be translated [2023-11-23 21:29:20,022 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem36 could not be translated [2023-11-23 21:29:20,023 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem37 could not be translated [2023-11-23 21:29:20,023 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem37 could not be translated [2023-11-23 21:29:20,023 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem39 could not be translated [2023-11-23 21:29:20,024 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem39 could not be translated [2023-11-23 21:29:20,024 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem40 could not be translated [2023-11-23 21:29:20,025 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem40 could not be translated [2023-11-23 21:29:20,025 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem42 could not be translated [2023-11-23 21:29:20,025 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem42 could not be translated [2023-11-23 21:29:20,026 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem43 could not be translated [2023-11-23 21:29:20,026 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem43 could not be translated [2023-11-23 21:29:20,026 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem45 could not be translated [2023-11-23 21:29:20,027 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem45 could not be translated [2023-11-23 21:29:20,027 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem46 could not be translated [2023-11-23 21:29:20,028 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem46 could not be translated [2023-11-23 21:29:20,028 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem48 could not be translated [2023-11-23 21:29:20,028 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem48 could not be translated [2023-11-23 21:29:20,029 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem49 could not be translated [2023-11-23 21:29:20,029 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem49 could not be translated [2023-11-23 21:29:20,030 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem51 could not be translated [2023-11-23 21:29:20,030 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem51 could not be translated [2023-11-23 21:29:20,030 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem52 could not be translated [2023-11-23 21:29:20,031 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem52 could not be translated [2023-11-23 21:29:20,031 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem54 could not be translated [2023-11-23 21:29:20,031 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem54 could not be translated [2023-11-23 21:29:20,032 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem55 could not be translated [2023-11-23 21:29:20,032 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem55 could not be translated [2023-11-23 21:29:20,033 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem58 could not be translated [2023-11-23 21:29:20,033 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem57 could not be translated [2023-11-23 21:29:20,033 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem61 could not be translated [2023-11-23 21:29:20,033 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short62 could not be translated [2023-11-23 21:29:20,033 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem60 could not be translated [2023-11-23 21:29:20,034 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short63 could not be translated [2023-11-23 21:29:20,034 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short59 could not be translated [2023-11-23 21:29:20,034 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short63 could not be translated [2023-11-23 21:29:20,034 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem61 could not be translated [2023-11-23 21:29:20,035 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem60 could not be translated [2023-11-23 21:29:20,035 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem57 could not be translated [2023-11-23 21:29:20,035 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short59 could not be translated [2023-11-23 21:29:20,035 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem58 could not be translated [2023-11-23 21:29:20,035 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short62 could not be translated [2023-11-23 21:29:20,054 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 09:29:20 BoogieIcfgContainer [2023-11-23 21:29:20,054 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-23 21:29:20,055 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-23 21:29:20,055 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-23 21:29:20,055 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-23 21:29:20,056 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:29:15" (3/4) ... [2023-11-23 21:29:20,058 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-23 21:29:20,059 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-23 21:29:20,060 INFO L158 Benchmark]: Toolchain (without parser) took 6346.58ms. Allocated memory was 192.9MB in the beginning and 249.6MB in the end (delta: 56.6MB). Free memory was 143.7MB in the beginning and 64.8MB in the end (delta: 78.9MB). Peak memory consumption was 136.2MB. Max. memory is 16.1GB. [2023-11-23 21:29:20,060 INFO L158 Benchmark]: CDTParser took 0.43ms. Allocated memory is still 140.5MB. Free memory is still 80.9MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 21:29:20,061 INFO L158 Benchmark]: CACSL2BoogieTranslator took 348.70ms. Allocated memory is still 192.9MB. Free memory was 143.0MB in the beginning and 127.6MB in the end (delta: 15.3MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-23 21:29:20,062 INFO L158 Benchmark]: Boogie Procedure Inliner took 70.98ms. Allocated memory is still 192.9MB. Free memory was 127.6MB in the beginning and 124.1MB in the end (delta: 3.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-23 21:29:20,062 INFO L158 Benchmark]: Boogie Preprocessor took 95.77ms. Allocated memory is still 192.9MB. Free memory was 124.1MB in the beginning and 120.6MB in the end (delta: 3.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-23 21:29:20,063 INFO L158 Benchmark]: RCFGBuilder took 1553.79ms. Allocated memory is still 192.9MB. Free memory was 120.6MB in the beginning and 83.8MB in the end (delta: 36.8MB). Peak memory consumption was 45.9MB. Max. memory is 16.1GB. [2023-11-23 21:29:20,064 INFO L158 Benchmark]: TraceAbstraction took 4264.09ms. Allocated memory was 192.9MB in the beginning and 249.6MB in the end (delta: 56.6MB). Free memory was 83.8MB in the beginning and 65.8MB in the end (delta: 18.0MB). Peak memory consumption was 82.0MB. Max. memory is 16.1GB. [2023-11-23 21:29:20,064 INFO L158 Benchmark]: Witness Printer took 4.21ms. Allocated memory is still 249.6MB. Free memory was 65.8MB in the beginning and 64.8MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 21:29:20,068 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.43ms. Allocated memory is still 140.5MB. Free memory is still 80.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 348.70ms. Allocated memory is still 192.9MB. Free memory was 143.0MB in the beginning and 127.6MB in the end (delta: 15.3MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 70.98ms. Allocated memory is still 192.9MB. Free memory was 127.6MB in the beginning and 124.1MB in the end (delta: 3.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 95.77ms. Allocated memory is still 192.9MB. Free memory was 124.1MB in the beginning and 120.6MB in the end (delta: 3.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 1553.79ms. Allocated memory is still 192.9MB. Free memory was 120.6MB in the beginning and 83.8MB in the end (delta: 36.8MB). Peak memory consumption was 45.9MB. Max. memory is 16.1GB. * TraceAbstraction took 4264.09ms. Allocated memory was 192.9MB in the beginning and 249.6MB in the end (delta: 56.6MB). Free memory was 83.8MB in the beginning and 65.8MB in the end (delta: 18.0MB). Peak memory consumption was 82.0MB. Max. memory is 16.1GB. * Witness Printer took 4.21ms. Allocated memory is still 249.6MB. Free memory was 65.8MB in the beginning and 64.8MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem33 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem33 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem34 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem34 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem36 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem36 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem37 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem37 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem39 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem39 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem40 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem40 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem42 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem42 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem43 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem43 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem45 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem45 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem46 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem46 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem48 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem48 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem49 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem49 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem51 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem51 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem52 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~mem54 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem55 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem55 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem58 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem57 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem61 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short62 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem60 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short63 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short59 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short63 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem61 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem60 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem57 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short59 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem58 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short62 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 63, overapproximation of bitwiseOr at line 71. Possible FailurePath: [L39] unsigned char isInitial = 0; [L40-L56] struct WrapperStruct00 WrapperStruct00 = { 16, 32, 20113, 100, 100, -1, 16, 1, 0, 1, 10, 256, 32.5, 127.4, 128 }; [L124] isInitial = 1 [L125] FCALL initially() [L126] COND TRUE 1 [L127] FCALL updateLastVariables() [L128] CALL updateVariables() [L90] WrapperStruct00.var_1_7 = __VERIFIER_nondet_short() [L91] EXPR WrapperStruct00.var_1_7 VAL [WrapperStruct00={4:0}, isInitial=1] [L91] CALL assume_abort_if_not(WrapperStruct00.var_1_7 >= -1) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L20] COND FALSE !(!cond) [L91] RET assume_abort_if_not(WrapperStruct00.var_1_7 >= -1) VAL [WrapperStruct00={4:0}, isInitial=1] [L92] EXPR WrapperStruct00.var_1_7 VAL [WrapperStruct00={4:0}, isInitial=1] [L92] CALL assume_abort_if_not(WrapperStruct00.var_1_7 <= 32766) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L20] COND FALSE !(!cond) [L92] RET assume_abort_if_not(WrapperStruct00.var_1_7 <= 32766) VAL [WrapperStruct00={4:0}, isInitial=1] [L93] WrapperStruct00.var_1_8 = __VERIFIER_nondet_short() [L94] EXPR WrapperStruct00.var_1_8 VAL [WrapperStruct00={4:0}, isInitial=1] [L94] CALL assume_abort_if_not(WrapperStruct00.var_1_8 >= 16383) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L20] COND FALSE !(!cond) [L94] RET assume_abort_if_not(WrapperStruct00.var_1_8 >= 16383) VAL [WrapperStruct00={4:0}, isInitial=1] [L95] EXPR WrapperStruct00.var_1_8 VAL [WrapperStruct00={4:0}, isInitial=1] [L95] CALL assume_abort_if_not(WrapperStruct00.var_1_8 <= 32766) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L20] COND FALSE !(!cond) [L95] RET assume_abort_if_not(WrapperStruct00.var_1_8 <= 32766) VAL [WrapperStruct00={4:0}, isInitial=1] [L96] WrapperStruct00.var_1_9 = __VERIFIER_nondet_short() [L97] EXPR WrapperStruct00.var_1_9 VAL [WrapperStruct00={4:0}, isInitial=1] [L97] CALL assume_abort_if_not(WrapperStruct00.var_1_9 >= 0) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L20] COND FALSE !(!cond) [L97] RET assume_abort_if_not(WrapperStruct00.var_1_9 >= 0) VAL [WrapperStruct00={4:0}, isInitial=1] [L98] EXPR WrapperStruct00.var_1_9 VAL [WrapperStruct00={4:0}, isInitial=1] [L98] CALL assume_abort_if_not(WrapperStruct00.var_1_9 <= 16383) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L20] COND FALSE !(!cond) [L98] RET assume_abort_if_not(WrapperStruct00.var_1_9 <= 16383) VAL [WrapperStruct00={4:0}, isInitial=1] [L99] WrapperStruct00.var_1_11 = __VERIFIER_nondet_char() [L100] EXPR WrapperStruct00.var_1_11 VAL [WrapperStruct00={4:0}, isInitial=1] [L100] CALL assume_abort_if_not(WrapperStruct00.var_1_11 >= -63) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L20] COND FALSE !(!cond) [L100] RET assume_abort_if_not(WrapperStruct00.var_1_11 >= -63) VAL [WrapperStruct00={4:0}, isInitial=1] [L101] EXPR WrapperStruct00.var_1_11 VAL [WrapperStruct00={4:0}, isInitial=1] [L101] CALL assume_abort_if_not(WrapperStruct00.var_1_11 <= 63) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L20] COND FALSE !(!cond) [L101] RET assume_abort_if_not(WrapperStruct00.var_1_11 <= 63) VAL [WrapperStruct00={4:0}, isInitial=1] [L102] WrapperStruct00.var_1_12 = __VERIFIER_nondet_char() [L103] EXPR WrapperStruct00.var_1_12 VAL [WrapperStruct00={4:0}, isInitial=1] [L103] CALL assume_abort_if_not(WrapperStruct00.var_1_12 >= -31) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L20] COND FALSE !(!cond) [L103] RET assume_abort_if_not(WrapperStruct00.var_1_12 >= -31) VAL [WrapperStruct00={4:0}, isInitial=1] [L104] EXPR WrapperStruct00.var_1_12 VAL [WrapperStruct00={4:0}, isInitial=1] [L104] CALL assume_abort_if_not(WrapperStruct00.var_1_12 <= 32) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L20] COND FALSE !(!cond) [L104] RET assume_abort_if_not(WrapperStruct00.var_1_12 <= 32) VAL [WrapperStruct00={4:0}, isInitial=1] [L105] WrapperStruct00.var_1_15 = __VERIFIER_nondet_uchar() [L106] EXPR WrapperStruct00.var_1_15 VAL [WrapperStruct00={4:0}, isInitial=1] [L106] CALL assume_abort_if_not(WrapperStruct00.var_1_15 >= 1) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L20] COND FALSE !(!cond) [L106] RET assume_abort_if_not(WrapperStruct00.var_1_15 >= 1) VAL [WrapperStruct00={4:0}, isInitial=1] [L107] EXPR WrapperStruct00.var_1_15 VAL [WrapperStruct00={4:0}, isInitial=1] [L107] CALL assume_abort_if_not(WrapperStruct00.var_1_15 <= 1) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L20] COND FALSE !(!cond) [L107] RET assume_abort_if_not(WrapperStruct00.var_1_15 <= 1) VAL [WrapperStruct00={4:0}, isInitial=1] [L108] WrapperStruct00.var_1_16 = __VERIFIER_nondet_uchar() [L109] EXPR WrapperStruct00.var_1_16 VAL [WrapperStruct00={4:0}, isInitial=1] [L109] CALL assume_abort_if_not(WrapperStruct00.var_1_16 >= 1) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L20] COND FALSE !(!cond) [L109] RET assume_abort_if_not(WrapperStruct00.var_1_16 >= 1) VAL [WrapperStruct00={4:0}, isInitial=1] [L110] EXPR WrapperStruct00.var_1_16 VAL [WrapperStruct00={4:0}, isInitial=1] [L110] CALL assume_abort_if_not(WrapperStruct00.var_1_16 <= 1) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L20] COND FALSE !(!cond) [L110] RET assume_abort_if_not(WrapperStruct00.var_1_16 <= 1) VAL [WrapperStruct00={4:0}, isInitial=1] [L111] WrapperStruct00.var_1_19 = __VERIFIER_nondet_ushort() [L112] EXPR WrapperStruct00.var_1_19 VAL [WrapperStruct00={4:0}, isInitial=1] [L112] CALL assume_abort_if_not(WrapperStruct00.var_1_19 >= 0) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L20] COND FALSE !(!cond) [L112] RET assume_abort_if_not(WrapperStruct00.var_1_19 >= 0) VAL [WrapperStruct00={4:0}, isInitial=1] [L113] EXPR WrapperStruct00.var_1_19 VAL [WrapperStruct00={4:0}, isInitial=1] [L113] CALL assume_abort_if_not(WrapperStruct00.var_1_19 <= 65534) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L20] COND FALSE !(!cond) [L113] RET assume_abort_if_not(WrapperStruct00.var_1_19 <= 65534) VAL [WrapperStruct00={4:0}, isInitial=1] [L114] WrapperStruct00.var_1_21 = __VERIFIER_nondet_float() [L115] EXPR WrapperStruct00.var_1_21 [L115] EXPR WrapperStruct00.var_1_21 >= -922337.2036854765600e+13F && WrapperStruct00.var_1_21 <= -1.0e-20F [L115] EXPR (WrapperStruct00.var_1_21 >= -922337.2036854765600e+13F && WrapperStruct00.var_1_21 <= -1.0e-20F) || (WrapperStruct00.var_1_21 <= 9223372.036854765600e+12F && WrapperStruct00.var_1_21 >= 1.0e-20F ) [L115] EXPR WrapperStruct00.var_1_21 [L115] EXPR WrapperStruct00.var_1_21 <= 9223372.036854765600e+12F && WrapperStruct00.var_1_21 >= 1.0e-20F [L115] EXPR WrapperStruct00.var_1_21 [L115] EXPR WrapperStruct00.var_1_21 <= 9223372.036854765600e+12F && WrapperStruct00.var_1_21 >= 1.0e-20F [L115] EXPR (WrapperStruct00.var_1_21 >= -922337.2036854765600e+13F && WrapperStruct00.var_1_21 <= -1.0e-20F) || (WrapperStruct00.var_1_21 <= 9223372.036854765600e+12F && WrapperStruct00.var_1_21 >= 1.0e-20F ) VAL [WrapperStruct00={4:0}, isInitial=1] [L115] CALL assume_abort_if_not((WrapperStruct00.var_1_21 >= -922337.2036854765600e+13F && WrapperStruct00.var_1_21 <= -1.0e-20F) || (WrapperStruct00.var_1_21 <= 9223372.036854765600e+12F && WrapperStruct00.var_1_21 >= 1.0e-20F )) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L20] COND FALSE !(!cond) [L115] RET assume_abort_if_not((WrapperStruct00.var_1_21 >= -922337.2036854765600e+13F && WrapperStruct00.var_1_21 <= -1.0e-20F) || (WrapperStruct00.var_1_21 <= 9223372.036854765600e+12F && WrapperStruct00.var_1_21 >= 1.0e-20F )) VAL [WrapperStruct00={4:0}, isInitial=1] [L128] RET updateVariables() [L129] CALL step() [L60] EXPR WrapperStruct00.var_1_19 [L60] WrapperStruct00.var_1_18 = WrapperStruct00.var_1_19 [L61] EXPR WrapperStruct00.var_1_21 [L61] WrapperStruct00.var_1_20 = WrapperStruct00.var_1_21 [L62] EXPR WrapperStruct00.var_1_12 [L62] WrapperStruct00.var_1_22 = WrapperStruct00.var_1_12 [L63] EXPR WrapperStruct00.var_1_20 [L63] COND TRUE 127.5f > WrapperStruct00.var_1_20 [L64] EXPR WrapperStruct00.var_1_15 [L64] EXPR WrapperStruct00.var_1_15 && WrapperStruct00.var_1_16 [L64] EXPR WrapperStruct00.var_1_16 [L64] EXPR WrapperStruct00.var_1_15 && WrapperStruct00.var_1_16 [L64] WrapperStruct00.var_1_13 = (WrapperStruct00.var_1_15 && WrapperStruct00.var_1_16) [L68] EXPR WrapperStruct00.var_1_18 [L68] EXPR WrapperStruct00.var_1_7 [L68] COND FALSE !(WrapperStruct00.var_1_18 == WrapperStruct00.var_1_7) [L71] EXPR WrapperStruct00.var_1_22 [L71] EXPR (32 * -25) | WrapperStruct00.var_1_22 [L71] EXPR WrapperStruct00.var_1_11 [L71] COND FALSE !(((32 * -25) | WrapperStruct00.var_1_22) >= WrapperStruct00.var_1_11) [L77] WrapperStruct00.var_1_13 [L77] COND TRUE WrapperStruct00.var_1_13 [L78] EXPR WrapperStruct00.var_1_10 [L78] EXPR WrapperStruct00.var_1_22 [L78] COND TRUE WrapperStruct00.var_1_10 > WrapperStruct00.var_1_22 [L79] WrapperStruct00.var_1_13 [L79] COND TRUE WrapperStruct00.var_1_13 [L80] EXPR WrapperStruct00.var_1_7 [L80] EXPR WrapperStruct00.var_1_8 [L80] EXPR WrapperStruct00.var_1_9 [L80] WrapperStruct00.var_1_1 = (WrapperStruct00.var_1_7 - (WrapperStruct00.var_1_8 - WrapperStruct00.var_1_9)) [L129] RET step() [L130] CALL, EXPR property() [L120] EXPR WrapperStruct00.var_1_13 [L120] EXPR WrapperStruct00.var_1_13 ? ((WrapperStruct00.var_1_10 > WrapperStruct00.var_1_22) ? (WrapperStruct00.var_1_13 ? (WrapperStruct00.var_1_1 == ((signed short int) (WrapperStruct00.var_1_7 - (WrapperStruct00.var_1_8 - WrapperStruct00.var_1_9)))) : (WrapperStruct00.var_1_1 == ((signed short int) WrapperStruct00.var_1_18))) : (WrapperStruct00.var_1_1 == ((signed short int) 8))) : 1 [L120] EXPR WrapperStruct00.var_1_10 [L120] EXPR WrapperStruct00.var_1_22 [L120] EXPR (WrapperStruct00.var_1_10 > WrapperStruct00.var_1_22) ? (WrapperStruct00.var_1_13 ? (WrapperStruct00.var_1_1 == ((signed short int) (WrapperStruct00.var_1_7 - (WrapperStruct00.var_1_8 - WrapperStruct00.var_1_9)))) : (WrapperStruct00.var_1_1 == ((signed short int) WrapperStruct00.var_1_18))) : (WrapperStruct00.var_1_1 == ((signed short int) 8)) [L120] EXPR WrapperStruct00.var_1_13 [L120] EXPR WrapperStruct00.var_1_13 ? (WrapperStruct00.var_1_1 == ((signed short int) (WrapperStruct00.var_1_7 - (WrapperStruct00.var_1_8 - WrapperStruct00.var_1_9)))) : (WrapperStruct00.var_1_1 == ((signed short int) WrapperStruct00.var_1_18)) [L120] EXPR WrapperStruct00.var_1_1 [L120] EXPR WrapperStruct00.var_1_7 [L120] EXPR WrapperStruct00.var_1_8 [L120] EXPR WrapperStruct00.var_1_9 [L120] EXPR WrapperStruct00.var_1_13 ? (WrapperStruct00.var_1_1 == ((signed short int) (WrapperStruct00.var_1_7 - (WrapperStruct00.var_1_8 - WrapperStruct00.var_1_9)))) : (WrapperStruct00.var_1_1 == ((signed short int) WrapperStruct00.var_1_18)) [L120] EXPR (WrapperStruct00.var_1_10 > WrapperStruct00.var_1_22) ? (WrapperStruct00.var_1_13 ? (WrapperStruct00.var_1_1 == ((signed short int) (WrapperStruct00.var_1_7 - (WrapperStruct00.var_1_8 - WrapperStruct00.var_1_9)))) : (WrapperStruct00.var_1_1 == ((signed short int) WrapperStruct00.var_1_18))) : (WrapperStruct00.var_1_1 == ((signed short int) 8)) [L120] EXPR WrapperStruct00.var_1_13 ? ((WrapperStruct00.var_1_10 > WrapperStruct00.var_1_22) ? (WrapperStruct00.var_1_13 ? (WrapperStruct00.var_1_1 == ((signed short int) (WrapperStruct00.var_1_7 - (WrapperStruct00.var_1_8 - WrapperStruct00.var_1_9)))) : (WrapperStruct00.var_1_1 == ((signed short int) WrapperStruct00.var_1_18))) : (WrapperStruct00.var_1_1 == ((signed short int) 8))) : 1 [L120] EXPR (WrapperStruct00.var_1_13 ? ((WrapperStruct00.var_1_10 > WrapperStruct00.var_1_22) ? (WrapperStruct00.var_1_13 ? (WrapperStruct00.var_1_1 == ((signed short int) (WrapperStruct00.var_1_7 - (WrapperStruct00.var_1_8 - WrapperStruct00.var_1_9)))) : (WrapperStruct00.var_1_1 == ((signed short int) WrapperStruct00.var_1_18))) : (WrapperStruct00.var_1_1 == ((signed short int) 8))) : 1) && ((WrapperStruct00.var_1_18 == WrapperStruct00.var_1_7) ? (WrapperStruct00.var_1_10 == ((signed char) (WrapperStruct00.var_1_11 + (WrapperStruct00.var_1_12 + -25)))) : ((((32 * -25) | WrapperStruct00.var_1_22) >= WrapperStruct00.var_1_11) ? (WrapperStruct00.var_1_13 ? (WrapperStruct00.var_1_10 == ((signed char) WrapperStruct00.var_1_12)) : 1) : 1)) [L120] EXPR WrapperStruct00.var_1_18 [L120] EXPR WrapperStruct00.var_1_7 [L120] EXPR (WrapperStruct00.var_1_18 == WrapperStruct00.var_1_7) ? (WrapperStruct00.var_1_10 == ((signed char) (WrapperStruct00.var_1_11 + (WrapperStruct00.var_1_12 + -25)))) : ((((32 * -25) | WrapperStruct00.var_1_22) >= WrapperStruct00.var_1_11) ? (WrapperStruct00.var_1_13 ? (WrapperStruct00.var_1_10 == ((signed char) WrapperStruct00.var_1_12)) : 1) : 1) [L120] EXPR WrapperStruct00.var_1_22 [L120] EXPR (32 * -25) | WrapperStruct00.var_1_22 [L120] EXPR WrapperStruct00.var_1_11 [L120] EXPR (((32 * -25) | WrapperStruct00.var_1_22) >= WrapperStruct00.var_1_11) ? (WrapperStruct00.var_1_13 ? (WrapperStruct00.var_1_10 == ((signed char) WrapperStruct00.var_1_12)) : 1) : 1 [L120] EXPR WrapperStruct00.var_1_13 [L120] EXPR WrapperStruct00.var_1_13 ? (WrapperStruct00.var_1_10 == ((signed char) WrapperStruct00.var_1_12)) : 1 [L120] EXPR WrapperStruct00.var_1_10 [L120] EXPR WrapperStruct00.var_1_12 [L120] EXPR WrapperStruct00.var_1_13 ? (WrapperStruct00.var_1_10 == ((signed char) WrapperStruct00.var_1_12)) : 1 [L120] EXPR (((32 * -25) | WrapperStruct00.var_1_22) >= WrapperStruct00.var_1_11) ? (WrapperStruct00.var_1_13 ? (WrapperStruct00.var_1_10 == ((signed char) WrapperStruct00.var_1_12)) : 1) : 1 [L120] EXPR (WrapperStruct00.var_1_18 == WrapperStruct00.var_1_7) ? (WrapperStruct00.var_1_10 == ((signed char) (WrapperStruct00.var_1_11 + (WrapperStruct00.var_1_12 + -25)))) : ((((32 * -25) | WrapperStruct00.var_1_22) >= WrapperStruct00.var_1_11) ? (WrapperStruct00.var_1_13 ? (WrapperStruct00.var_1_10 == ((signed char) WrapperStruct00.var_1_12)) : 1) : 1) [L120] EXPR (WrapperStruct00.var_1_13 ? ((WrapperStruct00.var_1_10 > WrapperStruct00.var_1_22) ? (WrapperStruct00.var_1_13 ? (WrapperStruct00.var_1_1 == ((signed short int) (WrapperStruct00.var_1_7 - (WrapperStruct00.var_1_8 - WrapperStruct00.var_1_9)))) : (WrapperStruct00.var_1_1 == ((signed short int) WrapperStruct00.var_1_18))) : (WrapperStruct00.var_1_1 == ((signed short int) 8))) : 1) && ((WrapperStruct00.var_1_18 == WrapperStruct00.var_1_7) ? (WrapperStruct00.var_1_10 == ((signed char) (WrapperStruct00.var_1_11 + (WrapperStruct00.var_1_12 + -25)))) : ((((32 * -25) | WrapperStruct00.var_1_22) >= WrapperStruct00.var_1_11) ? (WrapperStruct00.var_1_13 ? (WrapperStruct00.var_1_10 == ((signed char) WrapperStruct00.var_1_12)) : 1) : 1)) [L120] EXPR ((WrapperStruct00.var_1_13 ? ((WrapperStruct00.var_1_10 > WrapperStruct00.var_1_22) ? (WrapperStruct00.var_1_13 ? (WrapperStruct00.var_1_1 == ((signed short int) (WrapperStruct00.var_1_7 - (WrapperStruct00.var_1_8 - WrapperStruct00.var_1_9)))) : (WrapperStruct00.var_1_1 == ((signed short int) WrapperStruct00.var_1_18))) : (WrapperStruct00.var_1_1 == ((signed short int) 8))) : 1) && ((WrapperStruct00.var_1_18 == WrapperStruct00.var_1_7) ? (WrapperStruct00.var_1_10 == ((signed char) (WrapperStruct00.var_1_11 + (WrapperStruct00.var_1_12 + -25)))) : ((((32 * -25) | WrapperStruct00.var_1_22) >= WrapperStruct00.var_1_11) ? (WrapperStruct00.var_1_13 ? (WrapperStruct00.var_1_10 == ((signed char) WrapperStruct00.var_1_12)) : 1) : 1))) && ((127.5f > WrapperStruct00.var_1_20) ? (WrapperStruct00.var_1_13 == ((unsigned char) (WrapperStruct00.var_1_15 && WrapperStruct00.var_1_16))) : (WrapperStruct00.var_1_13 == ((unsigned char) ((WrapperStruct00.var_1_20 >= WrapperStruct00.var_1_20) || WrapperStruct00.var_1_15)))) [L120] EXPR (((WrapperStruct00.var_1_13 ? ((WrapperStruct00.var_1_10 > WrapperStruct00.var_1_22) ? (WrapperStruct00.var_1_13 ? (WrapperStruct00.var_1_1 == ((signed short int) (WrapperStruct00.var_1_7 - (WrapperStruct00.var_1_8 - WrapperStruct00.var_1_9)))) : (WrapperStruct00.var_1_1 == ((signed short int) WrapperStruct00.var_1_18))) : (WrapperStruct00.var_1_1 == ((signed short int) 8))) : 1) && ((WrapperStruct00.var_1_18 == WrapperStruct00.var_1_7) ? (WrapperStruct00.var_1_10 == ((signed char) (WrapperStruct00.var_1_11 + (WrapperStruct00.var_1_12 + -25)))) : ((((32 * -25) | WrapperStruct00.var_1_22) >= WrapperStruct00.var_1_11) ? (WrapperStruct00.var_1_13 ? (WrapperStruct00.var_1_10 == ((signed char) WrapperStruct00.var_1_12)) : 1) : 1))) && ((127.5f > WrapperStruct00.var_1_20) ? (WrapperStruct00.var_1_13 == ((unsigned char) (WrapperStruct00.var_1_15 && WrapperStruct00.var_1_16))) : (WrapperStruct00.var_1_13 == ((unsigned char) ((WrapperStruct00.var_1_20 >= WrapperStruct00.var_1_20) || WrapperStruct00.var_1_15))))) && (WrapperStruct00.var_1_18 == ((unsigned short int) WrapperStruct00.var_1_19)) [L120] EXPR ((((WrapperStruct00.var_1_13 ? ((WrapperStruct00.var_1_10 > WrapperStruct00.var_1_22) ? (WrapperStruct00.var_1_13 ? (WrapperStruct00.var_1_1 == ((signed short int) (WrapperStruct00.var_1_7 - (WrapperStruct00.var_1_8 - WrapperStruct00.var_1_9)))) : (WrapperStruct00.var_1_1 == ((signed short int) WrapperStruct00.var_1_18))) : (WrapperStruct00.var_1_1 == ((signed short int) 8))) : 1) && ((WrapperStruct00.var_1_18 == WrapperStruct00.var_1_7) ? (WrapperStruct00.var_1_10 == ((signed char) (WrapperStruct00.var_1_11 + (WrapperStruct00.var_1_12 + -25)))) : ((((32 * -25) | WrapperStruct00.var_1_22) >= WrapperStruct00.var_1_11) ? (WrapperStruct00.var_1_13 ? (WrapperStruct00.var_1_10 == ((signed char) WrapperStruct00.var_1_12)) : 1) : 1))) && ((127.5f > WrapperStruct00.var_1_20) ? (WrapperStruct00.var_1_13 == ((unsigned char) (WrapperStruct00.var_1_15 && WrapperStruct00.var_1_16))) : (WrapperStruct00.var_1_13 == ((unsigned char) ((WrapperStruct00.var_1_20 >= WrapperStruct00.var_1_20) || WrapperStruct00.var_1_15))))) && (WrapperStruct00.var_1_18 == ((unsigned short int) WrapperStruct00.var_1_19))) && (WrapperStruct00.var_1_20 == ((float) WrapperStruct00.var_1_21)) [L120] EXPR (((((WrapperStruct00.var_1_13 ? ((WrapperStruct00.var_1_10 > WrapperStruct00.var_1_22) ? (WrapperStruct00.var_1_13 ? (WrapperStruct00.var_1_1 == ((signed short int) (WrapperStruct00.var_1_7 - (WrapperStruct00.var_1_8 - WrapperStruct00.var_1_9)))) : (WrapperStruct00.var_1_1 == ((signed short int) WrapperStruct00.var_1_18))) : (WrapperStruct00.var_1_1 == ((signed short int) 8))) : 1) && ((WrapperStruct00.var_1_18 == WrapperStruct00.var_1_7) ? (WrapperStruct00.var_1_10 == ((signed char) (WrapperStruct00.var_1_11 + (WrapperStruct00.var_1_12 + -25)))) : ((((32 * -25) | WrapperStruct00.var_1_22) >= WrapperStruct00.var_1_11) ? (WrapperStruct00.var_1_13 ? (WrapperStruct00.var_1_10 == ((signed char) WrapperStruct00.var_1_12)) : 1) : 1))) && ((127.5f > WrapperStruct00.var_1_20) ? (WrapperStruct00.var_1_13 == ((unsigned char) (WrapperStruct00.var_1_15 && WrapperStruct00.var_1_16))) : (WrapperStruct00.var_1_13 == ((unsigned char) ((WrapperStruct00.var_1_20 >= WrapperStruct00.var_1_20) || WrapperStruct00.var_1_15))))) && (WrapperStruct00.var_1_18 == ((unsigned short int) WrapperStruct00.var_1_19))) && (WrapperStruct00.var_1_20 == ((float) WrapperStruct00.var_1_21))) && (WrapperStruct00.var_1_22 == ((signed short int) WrapperStruct00.var_1_12)) [L120-L121] return (((((WrapperStruct00.var_1_13 ? ((WrapperStruct00.var_1_10 > WrapperStruct00.var_1_22) ? (WrapperStruct00.var_1_13 ? (WrapperStruct00.var_1_1 == ((signed short int) (WrapperStruct00.var_1_7 - (WrapperStruct00.var_1_8 - WrapperStruct00.var_1_9)))) : (WrapperStruct00.var_1_1 == ((signed short int) WrapperStruct00.var_1_18))) : (WrapperStruct00.var_1_1 == ((signed short int) 8))) : 1) && ((WrapperStruct00.var_1_18 == WrapperStruct00.var_1_7) ? (WrapperStruct00.var_1_10 == ((signed char) (WrapperStruct00.var_1_11 + (WrapperStruct00.var_1_12 + -25)))) : ((((32 * -25) | WrapperStruct00.var_1_22) >= WrapperStruct00.var_1_11) ? (WrapperStruct00.var_1_13 ? (WrapperStruct00.var_1_10 == ((signed char) WrapperStruct00.var_1_12)) : 1) : 1))) && ((127.5f > WrapperStruct00.var_1_20) ? (WrapperStruct00.var_1_13 == ((unsigned char) (WrapperStruct00.var_1_15 && WrapperStruct00.var_1_16))) : (WrapperStruct00.var_1_13 == ((unsigned char) ((WrapperStruct00.var_1_20 >= WrapperStruct00.var_1_20) || WrapperStruct00.var_1_15))))) && (WrapperStruct00.var_1_18 == ((unsigned short int) WrapperStruct00.var_1_19))) && (WrapperStruct00.var_1_20 == ((float) WrapperStruct00.var_1_21))) && (WrapperStruct00.var_1_22 == ((signed short int) WrapperStruct00.var_1_12)) ; [L130] RET, EXPR property() [L130] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [WrapperStruct00={4:0}, \old(cond)=0, cond=0, isInitial=1] [L19] reach_error() VAL [WrapperStruct00={4:0}, \old(cond)=0, cond=0, isInitial=1] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 43 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 4.1s, OverallIterations: 1, TraceHistogramMax: 17, 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=43occurred 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, 2.2s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 72 NumberOfCodeBlocks, 72 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-11-23 21:29:20,124 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9dfb53fb-afcf-4063-bc9e-83b895ef6ae9/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9dfb53fb-afcf-4063-bc9e-83b895ef6ae9/bin/utaipan-verify-mE87zJ7Ire/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9dfb53fb-afcf-4063-bc9e-83b895ef6ae9/bin/utaipan-verify-mE87zJ7Ire/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9dfb53fb-afcf-4063-bc9e-83b895ef6ae9/bin/utaipan-verify-mE87zJ7Ire/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9dfb53fb-afcf-4063-bc9e-83b895ef6ae9/bin/utaipan-verify-mE87zJ7Ire/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-97.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9dfb53fb-afcf-4063-bc9e-83b895ef6ae9/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9dfb53fb-afcf-4063-bc9e-83b895ef6ae9/bin/utaipan-verify-mE87zJ7Ire --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash e67445e12651560afd9610d5a103069fc2fc9d028994dc4bd874cfab54748c3d --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 21:29:22,800 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 21:29:22,925 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9dfb53fb-afcf-4063-bc9e-83b895ef6ae9/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2023-11-23 21:29:22,934 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 21:29:22,935 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-23 21:29:22,980 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 21:29:22,981 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-23 21:29:22,981 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-23 21:29:22,982 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 21:29:22,987 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-23 21:29:22,988 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-23 21:29:22,988 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-23 21:29:22,989 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-23 21:29:22,991 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-23 21:29:22,991 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-23 21:29:22,992 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-23 21:29:22,993 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 21:29:22,993 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 21:29:22,994 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-23 21:29:22,995 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-23 21:29:22,995 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 21:29:22,996 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 21:29:22,997 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 21:29:22,997 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 21:29:22,997 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-23 21:29:22,998 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-23 21:29:22,998 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-23 21:29:22,999 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-23 21:29:22,999 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 21:29:23,000 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 21:29:23,001 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 21:29:23,001 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-23 21:29:23,002 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-23 21:29:23,002 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-23 21:29:23,003 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:29:23,003 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 21:29:23,003 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 21:29:23,004 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 21:29:23,004 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-23 21:29:23,005 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-23 21:29:23,005 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-23 21:29:23,006 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 21:29:23,006 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-23 21:29:23,006 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-23 21:29:23,007 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_9dfb53fb-afcf-4063-bc9e-83b895ef6ae9/bin/utaipan-verify-mE87zJ7Ire/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9dfb53fb-afcf-4063-bc9e-83b895ef6ae9/bin/utaipan-verify-mE87zJ7Ire Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e67445e12651560afd9610d5a103069fc2fc9d028994dc4bd874cfab54748c3d [2023-11-23 21:29:23,458 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 21:29:23,491 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 21:29:23,494 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 21:29:23,495 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 21:29:23,496 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 21:29:23,497 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9dfb53fb-afcf-4063-bc9e-83b895ef6ae9/bin/utaipan-verify-mE87zJ7Ire/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-97.i [2023-11-23 21:29:26,885 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 21:29:27,211 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 21:29:27,212 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9dfb53fb-afcf-4063-bc9e-83b895ef6ae9/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-97.i [2023-11-23 21:29:27,222 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9dfb53fb-afcf-4063-bc9e-83b895ef6ae9/bin/utaipan-verify-mE87zJ7Ire/data/c56b0dab6/4ef8a96dfeac4c6a9408ef257eac7759/FLAGf192c572d [2023-11-23 21:29:27,243 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9dfb53fb-afcf-4063-bc9e-83b895ef6ae9/bin/utaipan-verify-mE87zJ7Ire/data/c56b0dab6/4ef8a96dfeac4c6a9408ef257eac7759 [2023-11-23 21:29:27,246 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 21:29:27,247 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 21:29:27,249 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 21:29:27,249 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 21:29:27,255 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 21:29:27,256 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:29:27" (1/1) ... [2023-11-23 21:29:27,257 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2b57f71e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:29:27, skipping insertion in model container [2023-11-23 21:29:27,258 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:29:27" (1/1) ... [2023-11-23 21:29:27,290 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 21:29:27,480 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_9dfb53fb-afcf-4063-bc9e-83b895ef6ae9/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-97.i[916,929] [2023-11-23 21:29:27,572 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 21:29:27,597 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 21:29:27,618 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_9dfb53fb-afcf-4063-bc9e-83b895ef6ae9/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-97.i[916,929] [2023-11-23 21:29:27,685 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 21:29:27,713 INFO L206 MainTranslator]: Completed translation [2023-11-23 21:29:27,713 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:29:27 WrapperNode [2023-11-23 21:29:27,714 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 21:29:27,715 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 21:29:27,715 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 21:29:27,715 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 21:29:27,723 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:29:27" (1/1) ... [2023-11-23 21:29:27,742 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:29:27" (1/1) ... [2023-11-23 21:29:27,807 INFO L138 Inliner]: procedures = 33, calls = 145, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 358 [2023-11-23 21:29:27,807 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 21:29:27,809 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 21:29:27,809 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 21:29:27,809 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 21:29:27,820 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:29:27" (1/1) ... [2023-11-23 21:29:27,820 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:29:27" (1/1) ... [2023-11-23 21:29:27,839 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:29:27" (1/1) ... [2023-11-23 21:29:27,839 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:29:27" (1/1) ... [2023-11-23 21:29:27,895 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:29:27" (1/1) ... [2023-11-23 21:29:27,899 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:29:27" (1/1) ... [2023-11-23 21:29:27,903 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:29:27" (1/1) ... [2023-11-23 21:29:27,906 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:29:27" (1/1) ... [2023-11-23 21:29:27,913 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 21:29:27,914 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 21:29:27,914 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 21:29:27,914 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 21:29:27,915 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:29:27" (1/1) ... [2023-11-23 21:29:27,923 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:29:27,943 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9dfb53fb-afcf-4063-bc9e-83b895ef6ae9/bin/utaipan-verify-mE87zJ7Ire/z3 [2023-11-23 21:29:27,956 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9dfb53fb-afcf-4063-bc9e-83b895ef6ae9/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-23 21:29:27,984 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9dfb53fb-afcf-4063-bc9e-83b895ef6ae9/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-23 21:29:28,004 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 21:29:28,004 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2023-11-23 21:29:28,004 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2 [2023-11-23 21:29:28,005 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-23 21:29:28,005 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2023-11-23 21:29:28,005 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2023-11-23 21:29:28,005 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2023-11-23 21:29:28,006 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4 [2023-11-23 21:29:28,006 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-23 21:29:28,006 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-23 21:29:28,007 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 21:29:28,007 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 21:29:28,007 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2023-11-23 21:29:28,007 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2023-11-23 21:29:28,130 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 21:29:28,136 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 21:29:28,932 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 21:29:28,998 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 21:29:28,999 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-23 21:29:29,000 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:29:28 BoogieIcfgContainer [2023-11-23 21:29:29,001 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 21:29:29,003 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-23 21:29:29,004 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-23 21:29:29,008 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-23 21:29:29,008 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 09:29:27" (1/3) ... [2023-11-23 21:29:29,010 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@8c806cc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:29:29, skipping insertion in model container [2023-11-23 21:29:29,011 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:29:27" (2/3) ... [2023-11-23 21:29:29,014 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@8c806cc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:29:29, skipping insertion in model container [2023-11-23 21:29:29,014 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:29:28" (3/3) ... [2023-11-23 21:29:29,017 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_wrapper-s_file-97.i [2023-11-23 21:29:29,038 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-23 21:29:29,039 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-23 21:29:29,103 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-23 21:29:29,113 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;@63c2b83, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-23 21:29:29,114 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-23 21:29:29,118 INFO L276 IsEmpty]: Start isEmpty. Operand has 93 states, 73 states have (on average 1.4246575342465753) internal successors, (104), 74 states have internal predecessors, (104), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2023-11-23 21:29:29,143 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2023-11-23 21:29:29,143 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:29:29,144 INFO L195 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 21:29:29,145 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:29:29,152 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:29:29,152 INFO L85 PathProgramCache]: Analyzing trace with hash 545857577, now seen corresponding path program 1 times [2023-11-23 21:29:29,174 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-23 21:29:29,175 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [907837192] [2023-11-23 21:29:29,175 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:29:29,176 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-23 21:29:29,176 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9dfb53fb-afcf-4063-bc9e-83b895ef6ae9/bin/utaipan-verify-mE87zJ7Ire/mathsat [2023-11-23 21:29:29,179 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9dfb53fb-afcf-4063-bc9e-83b895ef6ae9/bin/utaipan-verify-mE87zJ7Ire/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-23 21:29:29,196 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9dfb53fb-afcf-4063-bc9e-83b895ef6ae9/bin/utaipan-verify-mE87zJ7Ire/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2023-11-23 21:29:29,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:29:29,530 INFO L262 TraceCheckSpWp]: Trace formula consists of 251 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-23 21:29:29,552 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 21:29:29,597 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 252 proven. 0 refuted. 0 times theorem prover too weak. 292 trivial. 0 not checked. [2023-11-23 21:29:29,597 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-23 21:29:29,598 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-23 21:29:29,598 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [907837192] [2023-11-23 21:29:29,599 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [907837192] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 21:29:29,599 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 21:29:29,600 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-23 21:29:29,601 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1874944348] [2023-11-23 21:29:29,602 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 21:29:29,625 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-23 21:29:29,625 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-23 21:29:29,655 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-23 21:29:29,656 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-23 21:29:29,659 INFO L87 Difference]: Start difference. First operand has 93 states, 73 states have (on average 1.4246575342465753) internal successors, (104), 74 states have internal predecessors, (104), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) Second operand has 2 states, 2 states have (on average 25.5) internal successors, (51), 2 states have internal predecessors, (51), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2023-11-23 21:29:29,711 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 21:29:29,712 INFO L93 Difference]: Finished difference Result 183 states and 291 transitions. [2023-11-23 21:29:29,713 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-23 21:29:29,715 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 25.5) internal successors, (51), 2 states have internal predecessors, (51), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) Word has length 129 [2023-11-23 21:29:29,715 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 21:29:29,724 INFO L225 Difference]: With dead ends: 183 [2023-11-23 21:29:29,724 INFO L226 Difference]: Without dead ends: 91 [2023-11-23 21:29:29,728 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 128 GetRequests, 128 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-23 21:29:29,732 INFO L413 NwaCegarLoop]: 129 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, 129 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-23 21:29:29,733 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 129 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-23 21:29:29,750 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 91 states. [2023-11-23 21:29:29,776 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 91 to 91. [2023-11-23 21:29:29,778 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 91 states, 72 states have (on average 1.375) internal successors, (99), 72 states have internal predecessors, (99), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2023-11-23 21:29:29,781 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 91 states and 133 transitions. [2023-11-23 21:29:29,782 INFO L78 Accepts]: Start accepts. Automaton has 91 states and 133 transitions. Word has length 129 [2023-11-23 21:29:29,783 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 21:29:29,783 INFO L495 AbstractCegarLoop]: Abstraction has 91 states and 133 transitions. [2023-11-23 21:29:29,783 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 25.5) internal successors, (51), 2 states have internal predecessors, (51), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2023-11-23 21:29:29,784 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 133 transitions. [2023-11-23 21:29:29,787 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2023-11-23 21:29:29,787 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:29:29,787 INFO L195 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 21:29:29,800 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9dfb53fb-afcf-4063-bc9e-83b895ef6ae9/bin/utaipan-verify-mE87zJ7Ire/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Ended with exit code 0 [2023-11-23 21:29:29,993 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9dfb53fb-afcf-4063-bc9e-83b895ef6ae9/bin/utaipan-verify-mE87zJ7Ire/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-23 21:29:29,994 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:29:29,994 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:29:29,995 INFO L85 PathProgramCache]: Analyzing trace with hash 702433927, now seen corresponding path program 1 times [2023-11-23 21:29:29,995 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-23 21:29:29,996 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1158959228] [2023-11-23 21:29:29,996 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:29:29,996 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-23 21:29:29,997 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9dfb53fb-afcf-4063-bc9e-83b895ef6ae9/bin/utaipan-verify-mE87zJ7Ire/mathsat [2023-11-23 21:29:29,998 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9dfb53fb-afcf-4063-bc9e-83b895ef6ae9/bin/utaipan-verify-mE87zJ7Ire/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-23 21:29:30,012 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9dfb53fb-afcf-4063-bc9e-83b895ef6ae9/bin/utaipan-verify-mE87zJ7Ire/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2023-11-23 21:29:30,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:29:30,277 INFO L262 TraceCheckSpWp]: Trace formula consists of 251 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 21:29:30,284 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 21:29:30,352 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2023-11-23 21:29:30,352 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-23 21:29:30,352 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-23 21:29:30,353 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1158959228] [2023-11-23 21:29:30,353 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1158959228] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 21:29:30,353 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 21:29:30,353 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-23 21:29:30,354 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1640814152] [2023-11-23 21:29:30,354 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 21:29:30,355 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-23 21:29:30,356 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-23 21:29:30,357 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-23 21:29:30,357 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-23 21:29:30,357 INFO L87 Difference]: Start difference. First operand 91 states and 133 transitions. Second operand has 4 states, 4 states have (on average 11.75) internal successors, (47), 4 states have internal predecessors, (47), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2023-11-23 21:29:30,435 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 21:29:30,436 INFO L93 Difference]: Finished difference Result 204 states and 299 transitions. [2023-11-23 21:29:30,436 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-23 21:29:30,437 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 11.75) internal successors, (47), 4 states have internal predecessors, (47), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 129 [2023-11-23 21:29:30,438 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 21:29:30,440 INFO L225 Difference]: With dead ends: 204 [2023-11-23 21:29:30,440 INFO L226 Difference]: Without dead ends: 114 [2023-11-23 21:29:30,441 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 129 GetRequests, 126 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-23 21:29:30,443 INFO L413 NwaCegarLoop]: 148 mSDtfsCounter, 49 mSDsluCounter, 260 mSDsCounter, 0 mSdLazyCounter, 26 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 49 SdHoareTripleChecker+Valid, 408 SdHoareTripleChecker+Invalid, 27 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 26 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-23 21:29:30,444 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [49 Valid, 408 Invalid, 27 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 26 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-23 21:29:30,445 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 114 states. [2023-11-23 21:29:30,456 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 114 to 93. [2023-11-23 21:29:30,457 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 93 states, 74 states have (on average 1.364864864864865) internal successors, (101), 74 states have internal predecessors, (101), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2023-11-23 21:29:30,459 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 93 states and 135 transitions. [2023-11-23 21:29:30,459 INFO L78 Accepts]: Start accepts. Automaton has 93 states and 135 transitions. Word has length 129 [2023-11-23 21:29:30,461 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 21:29:30,461 INFO L495 AbstractCegarLoop]: Abstraction has 93 states and 135 transitions. [2023-11-23 21:29:30,462 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.75) internal successors, (47), 4 states have internal predecessors, (47), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2023-11-23 21:29:30,462 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 135 transitions. [2023-11-23 21:29:30,464 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2023-11-23 21:29:30,464 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:29:30,465 INFO L195 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 21:29:30,472 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9dfb53fb-afcf-4063-bc9e-83b895ef6ae9/bin/utaipan-verify-mE87zJ7Ire/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Ended with exit code 0 [2023-11-23 21:29:30,672 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9dfb53fb-afcf-4063-bc9e-83b895ef6ae9/bin/utaipan-verify-mE87zJ7Ire/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-23 21:29:30,673 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:29:30,673 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:29:30,673 INFO L85 PathProgramCache]: Analyzing trace with hash 408479189, now seen corresponding path program 1 times [2023-11-23 21:29:30,674 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-23 21:29:30,674 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2084190902] [2023-11-23 21:29:30,674 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:29:30,684 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-23 21:29:30,685 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9dfb53fb-afcf-4063-bc9e-83b895ef6ae9/bin/utaipan-verify-mE87zJ7Ire/mathsat [2023-11-23 21:29:30,686 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9dfb53fb-afcf-4063-bc9e-83b895ef6ae9/bin/utaipan-verify-mE87zJ7Ire/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-23 21:29:30,696 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9dfb53fb-afcf-4063-bc9e-83b895ef6ae9/bin/utaipan-verify-mE87zJ7Ire/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2023-11-23 21:29:30,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:29:30,927 INFO L262 TraceCheckSpWp]: Trace formula consists of 256 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-23 21:29:30,933 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 21:29:30,993 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2023-11-23 21:29:30,993 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-23 21:29:30,993 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-23 21:29:30,994 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2084190902] [2023-11-23 21:29:30,994 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2084190902] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 21:29:30,994 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 21:29:30,994 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-23 21:29:30,995 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1967194645] [2023-11-23 21:29:30,995 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 21:29:30,996 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-23 21:29:30,996 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-23 21:29:30,997 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-23 21:29:30,997 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-23 21:29:30,998 INFO L87 Difference]: Start difference. First operand 93 states and 135 transitions. Second operand has 5 states, 5 states have (on average 9.8) internal successors, (49), 5 states have internal predecessors, (49), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2023-11-23 21:29:31,718 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 21:29:31,718 INFO L93 Difference]: Finished difference Result 284 states and 411 transitions. [2023-11-23 21:29:31,719 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-23 21:29:31,720 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.8) internal successors, (49), 5 states have internal predecessors, (49), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 131 [2023-11-23 21:29:31,721 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 21:29:31,723 INFO L225 Difference]: With dead ends: 284 [2023-11-23 21:29:31,724 INFO L226 Difference]: Without dead ends: 192 [2023-11-23 21:29:31,725 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 131 GetRequests, 127 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2023-11-23 21:29:31,726 INFO L413 NwaCegarLoop]: 156 mSDtfsCounter, 163 mSDsluCounter, 336 mSDsCounter, 0 mSdLazyCounter, 274 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 163 SdHoareTripleChecker+Valid, 492 SdHoareTripleChecker+Invalid, 285 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 274 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2023-11-23 21:29:31,727 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [163 Valid, 492 Invalid, 285 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 274 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2023-11-23 21:29:31,729 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 192 states. [2023-11-23 21:29:31,741 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 192 to 95. [2023-11-23 21:29:31,742 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 95 states, 76 states have (on average 1.355263157894737) internal successors, (103), 76 states have internal predecessors, (103), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2023-11-23 21:29:31,743 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 95 states and 137 transitions. [2023-11-23 21:29:31,744 INFO L78 Accepts]: Start accepts. Automaton has 95 states and 137 transitions. Word has length 131 [2023-11-23 21:29:31,745 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 21:29:31,745 INFO L495 AbstractCegarLoop]: Abstraction has 95 states and 137 transitions. [2023-11-23 21:29:31,745 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.8) internal successors, (49), 5 states have internal predecessors, (49), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2023-11-23 21:29:31,746 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 137 transitions. [2023-11-23 21:29:31,748 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2023-11-23 21:29:31,748 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:29:31,748 INFO L195 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 21:29:31,768 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9dfb53fb-afcf-4063-bc9e-83b895ef6ae9/bin/utaipan-verify-mE87zJ7Ire/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2023-11-23 21:29:31,954 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9dfb53fb-afcf-4063-bc9e-83b895ef6ae9/bin/utaipan-verify-mE87zJ7Ire/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-23 21:29:31,954 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:29:31,954 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:29:31,955 INFO L85 PathProgramCache]: Analyzing trace with hash 22716652, now seen corresponding path program 1 times [2023-11-23 21:29:31,955 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-23 21:29:31,955 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2094843955] [2023-11-23 21:29:31,955 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:29:31,956 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-23 21:29:31,956 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9dfb53fb-afcf-4063-bc9e-83b895ef6ae9/bin/utaipan-verify-mE87zJ7Ire/mathsat [2023-11-23 21:29:31,957 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9dfb53fb-afcf-4063-bc9e-83b895ef6ae9/bin/utaipan-verify-mE87zJ7Ire/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-23 21:29:31,969 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9dfb53fb-afcf-4063-bc9e-83b895ef6ae9/bin/utaipan-verify-mE87zJ7Ire/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2023-11-23 21:29:32,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:29:32,242 INFO L262 TraceCheckSpWp]: Trace formula consists of 259 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 21:29:32,248 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 21:29:32,272 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2023-11-23 21:29:32,273 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-23 21:29:32,273 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-23 21:29:32,273 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2094843955] [2023-11-23 21:29:32,274 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2094843955] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 21:29:32,274 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 21:29:32,274 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-23 21:29:32,274 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [164447139] [2023-11-23 21:29:32,275 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 21:29:32,275 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-23 21:29:32,276 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-23 21:29:32,277 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-23 21:29:32,277 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-23 21:29:32,277 INFO L87 Difference]: Start difference. First operand 95 states and 137 transitions. Second operand has 4 states, 4 states have (on average 12.25) internal successors, (49), 4 states have internal predecessors, (49), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2023-11-23 21:29:32,334 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 21:29:32,335 INFO L93 Difference]: Finished difference Result 201 states and 290 transitions. [2023-11-23 21:29:32,335 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-23 21:29:32,336 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 12.25) internal successors, (49), 4 states have internal predecessors, (49), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 131 [2023-11-23 21:29:32,337 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 21:29:32,338 INFO L225 Difference]: With dead ends: 201 [2023-11-23 21:29:32,338 INFO L226 Difference]: Without dead ends: 107 [2023-11-23 21:29:32,339 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 131 GetRequests, 128 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-23 21:29:32,341 INFO L413 NwaCegarLoop]: 126 mSDtfsCounter, 21 mSDsluCounter, 252 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 21 SdHoareTripleChecker+Valid, 378 SdHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-23 21:29:32,341 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [21 Valid, 378 Invalid, 26 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-23 21:29:32,342 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 107 states. [2023-11-23 21:29:32,349 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 107 to 97. [2023-11-23 21:29:32,350 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 97 states, 78 states have (on average 1.3461538461538463) internal successors, (105), 78 states have internal predecessors, (105), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2023-11-23 21:29:32,351 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 97 states and 139 transitions. [2023-11-23 21:29:32,351 INFO L78 Accepts]: Start accepts. Automaton has 97 states and 139 transitions. Word has length 131 [2023-11-23 21:29:32,352 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 21:29:32,352 INFO L495 AbstractCegarLoop]: Abstraction has 97 states and 139 transitions. [2023-11-23 21:29:32,353 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.25) internal successors, (49), 4 states have internal predecessors, (49), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2023-11-23 21:29:32,353 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 139 transitions. [2023-11-23 21:29:32,354 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2023-11-23 21:29:32,355 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:29:32,355 INFO L195 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 21:29:32,374 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9dfb53fb-afcf-4063-bc9e-83b895ef6ae9/bin/utaipan-verify-mE87zJ7Ire/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2023-11-23 21:29:32,564 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9dfb53fb-afcf-4063-bc9e-83b895ef6ae9/bin/utaipan-verify-mE87zJ7Ire/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-23 21:29:32,565 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:29:32,565 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:29:32,565 INFO L85 PathProgramCache]: Analyzing trace with hash -786629974, now seen corresponding path program 1 times [2023-11-23 21:29:32,566 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-23 21:29:32,567 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [266383049] [2023-11-23 21:29:32,567 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:29:32,567 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-23 21:29:32,567 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9dfb53fb-afcf-4063-bc9e-83b895ef6ae9/bin/utaipan-verify-mE87zJ7Ire/mathsat [2023-11-23 21:29:32,568 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9dfb53fb-afcf-4063-bc9e-83b895ef6ae9/bin/utaipan-verify-mE87zJ7Ire/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-23 21:29:32,572 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9dfb53fb-afcf-4063-bc9e-83b895ef6ae9/bin/utaipan-verify-mE87zJ7Ire/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2023-11-23 21:29:32,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:29:32,824 INFO L262 TraceCheckSpWp]: Trace formula consists of 256 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-23 21:29:32,827 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 21:29:32,852 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2023-11-23 21:29:32,853 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-23 21:29:32,853 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-23 21:29:32,853 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [266383049] [2023-11-23 21:29:32,853 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [266383049] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 21:29:32,854 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 21:29:32,854 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-23 21:29:32,854 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1486717321] [2023-11-23 21:29:32,854 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 21:29:32,855 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-23 21:29:32,855 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-23 21:29:32,856 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-23 21:29:32,856 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-23 21:29:32,857 INFO L87 Difference]: Start difference. First operand 97 states and 139 transitions. Second operand has 5 states, 5 states have (on average 9.8) internal successors, (49), 5 states have internal predecessors, (49), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2023-11-23 21:29:32,957 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 21:29:32,958 INFO L93 Difference]: Finished difference Result 206 states and 295 transitions. [2023-11-23 21:29:32,958 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-11-23 21:29:32,959 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.8) internal successors, (49), 5 states have internal predecessors, (49), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 131 [2023-11-23 21:29:32,965 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 21:29:32,967 INFO L225 Difference]: With dead ends: 206 [2023-11-23 21:29:32,970 INFO L226 Difference]: Without dead ends: 110 [2023-11-23 21:29:32,971 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 133 GetRequests, 127 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2023-11-23 21:29:32,973 INFO L413 NwaCegarLoop]: 124 mSDtfsCounter, 24 mSDsluCounter, 375 mSDsCounter, 0 mSdLazyCounter, 41 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 24 SdHoareTripleChecker+Valid, 499 SdHoareTripleChecker+Invalid, 43 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 41 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-23 21:29:32,974 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [24 Valid, 499 Invalid, 43 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 41 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-23 21:29:32,976 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 110 states. [2023-11-23 21:29:32,986 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 110 to 99. [2023-11-23 21:29:32,994 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 99 states, 80 states have (on average 1.3375) internal successors, (107), 80 states have internal predecessors, (107), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2023-11-23 21:29:32,998 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 99 states and 141 transitions. [2023-11-23 21:29:32,999 INFO L78 Accepts]: Start accepts. Automaton has 99 states and 141 transitions. Word has length 131 [2023-11-23 21:29:33,004 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 21:29:33,005 INFO L495 AbstractCegarLoop]: Abstraction has 99 states and 141 transitions. [2023-11-23 21:29:33,005 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.8) internal successors, (49), 5 states have internal predecessors, (49), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2023-11-23 21:29:33,005 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 141 transitions. [2023-11-23 21:29:33,007 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2023-11-23 21:29:33,007 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:29:33,007 INFO L195 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 21:29:33,018 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9dfb53fb-afcf-4063-bc9e-83b895ef6ae9/bin/utaipan-verify-mE87zJ7Ire/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2023-11-23 21:29:33,208 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9dfb53fb-afcf-4063-bc9e-83b895ef6ae9/bin/utaipan-verify-mE87zJ7Ire/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-23 21:29:33,208 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:29:33,209 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:29:33,209 INFO L85 PathProgramCache]: Analyzing trace with hash -729371672, now seen corresponding path program 1 times [2023-11-23 21:29:33,210 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-23 21:29:33,210 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1000675253] [2023-11-23 21:29:33,210 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:29:33,210 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-23 21:29:33,210 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9dfb53fb-afcf-4063-bc9e-83b895ef6ae9/bin/utaipan-verify-mE87zJ7Ire/mathsat [2023-11-23 21:29:33,212 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9dfb53fb-afcf-4063-bc9e-83b895ef6ae9/bin/utaipan-verify-mE87zJ7Ire/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-23 21:29:33,220 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9dfb53fb-afcf-4063-bc9e-83b895ef6ae9/bin/utaipan-verify-mE87zJ7Ire/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2023-11-23 21:29:33,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:29:33,514 INFO L262 TraceCheckSpWp]: Trace formula consists of 253 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-23 21:29:33,520 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 21:29:33,571 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 10 [2023-11-23 21:29:33,604 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 14 [2023-11-23 21:29:33,619 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 21 treesize of output 9 [2023-11-23 21:29:33,633 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2023-11-23 21:29:33,633 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-23 21:29:33,633 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-23 21:29:33,633 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1000675253] [2023-11-23 21:29:33,636 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1000675253] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 21:29:33,636 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 21:29:33,636 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-23 21:29:33,637 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1630979027] [2023-11-23 21:29:33,637 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 21:29:33,638 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-23 21:29:33,638 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-23 21:29:33,639 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-23 21:29:33,639 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-23 21:29:33,640 INFO L87 Difference]: Start difference. First operand 99 states and 141 transitions. Second operand has 5 states, 5 states have (on average 9.8) internal successors, (49), 5 states have internal predecessors, (49), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2023-11-23 21:29:34,196 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 21:29:34,197 INFO L93 Difference]: Finished difference Result 295 states and 421 transitions. [2023-11-23 21:29:34,197 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-23 21:29:34,197 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.8) internal successors, (49), 5 states have internal predecessors, (49), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 131 [2023-11-23 21:29:34,198 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 21:29:34,200 INFO L225 Difference]: With dead ends: 295 [2023-11-23 21:29:34,200 INFO L226 Difference]: Without dead ends: 197 [2023-11-23 21:29:34,200 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 132 GetRequests, 127 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2023-11-23 21:29:34,201 INFO L413 NwaCegarLoop]: 112 mSDtfsCounter, 113 mSDsluCounter, 294 mSDsCounter, 0 mSdLazyCounter, 241 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 113 SdHoareTripleChecker+Valid, 406 SdHoareTripleChecker+Invalid, 256 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 241 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2023-11-23 21:29:34,202 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [113 Valid, 406 Invalid, 256 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 241 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2023-11-23 21:29:34,203 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 197 states. [2023-11-23 21:29:34,212 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 197 to 106. [2023-11-23 21:29:34,212 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 106 states, 87 states have (on average 1.3448275862068966) internal successors, (117), 87 states have internal predecessors, (117), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2023-11-23 21:29:34,214 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 106 states and 151 transitions. [2023-11-23 21:29:34,214 INFO L78 Accepts]: Start accepts. Automaton has 106 states and 151 transitions. Word has length 131 [2023-11-23 21:29:34,215 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 21:29:34,215 INFO L495 AbstractCegarLoop]: Abstraction has 106 states and 151 transitions. [2023-11-23 21:29:34,215 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.8) internal successors, (49), 5 states have internal predecessors, (49), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2023-11-23 21:29:34,216 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 151 transitions. [2023-11-23 21:29:34,217 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2023-11-23 21:29:34,218 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:29:34,218 INFO L195 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 21:29:34,228 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9dfb53fb-afcf-4063-bc9e-83b895ef6ae9/bin/utaipan-verify-mE87zJ7Ire/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (7)] Ended with exit code 0 [2023-11-23 21:29:34,424 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9dfb53fb-afcf-4063-bc9e-83b895ef6ae9/bin/utaipan-verify-mE87zJ7Ire/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-23 21:29:34,424 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:29:34,425 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:29:34,425 INFO L85 PathProgramCache]: Analyzing trace with hash 1760157290, now seen corresponding path program 1 times [2023-11-23 21:29:34,426 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-23 21:29:34,426 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1180177036] [2023-11-23 21:29:34,426 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:29:34,427 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-23 21:29:34,427 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9dfb53fb-afcf-4063-bc9e-83b895ef6ae9/bin/utaipan-verify-mE87zJ7Ire/mathsat [2023-11-23 21:29:34,428 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9dfb53fb-afcf-4063-bc9e-83b895ef6ae9/bin/utaipan-verify-mE87zJ7Ire/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-23 21:29:34,431 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9dfb53fb-afcf-4063-bc9e-83b895ef6ae9/bin/utaipan-verify-mE87zJ7Ire/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2023-11-23 21:29:34,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:29:34,800 INFO L262 TraceCheckSpWp]: Trace formula consists of 255 conjuncts, 27 conjunts are in the unsatisfiable core [2023-11-23 21:29:34,809 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 21:29:34,823 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 10 [2023-11-23 21:29:35,213 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 47 treesize of output 34 [2023-11-23 21:29:35,656 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-23 21:29:35,656 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 35 treesize of output 37 [2023-11-23 21:29:36,114 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-23 21:29:36,115 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 50 treesize of output 40 [2023-11-23 21:29:36,394 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-23 21:29:36,394 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 77 treesize of output 72 [2023-11-23 21:29:36,871 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-23 21:29:36,871 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 80 treesize of output 88 [2023-11-23 21:29:37,190 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-23 21:29:37,190 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 21 case distinctions, treesize of input 90 treesize of output 92 [2023-11-23 21:29:37,252 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-23 21:29:37,253 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 21 case distinctions, treesize of input 81 treesize of output 33 [2023-11-23 21:29:37,297 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 318 proven. 30 refuted. 0 times theorem prover too weak. 196 trivial. 0 not checked. [2023-11-23 21:29:37,297 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-23 21:29:37,926 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 60 proven. 30 refuted. 0 times theorem prover too weak. 454 trivial. 0 not checked. [2023-11-23 21:29:37,926 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-23 21:29:37,926 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1180177036] [2023-11-23 21:29:37,926 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1180177036] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-23 21:29:37,927 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [933961423] [2023-11-23 21:29:37,927 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:29:37,927 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-23 21:29:37,927 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9dfb53fb-afcf-4063-bc9e-83b895ef6ae9/bin/utaipan-verify-mE87zJ7Ire/cvc4 [2023-11-23 21:29:37,962 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9dfb53fb-afcf-4063-bc9e-83b895ef6ae9/bin/utaipan-verify-mE87zJ7Ire/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-23 21:29:37,992 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9dfb53fb-afcf-4063-bc9e-83b895ef6ae9/bin/utaipan-verify-mE87zJ7Ire/cvc4 --incremental --print-success --lang smt (9)] Waiting until timeout for monitored process [2023-11-23 21:29:38,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:29:38,945 INFO L262 TraceCheckSpWp]: Trace formula consists of 255 conjuncts, 18 conjunts are in the unsatisfiable core [2023-11-23 21:29:38,951 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 21:29:40,544 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 10 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 119 treesize of output 75 [2023-11-23 21:29:40,901 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-23 21:29:40,902 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 210 treesize of output 94 [2023-11-23 21:29:40,925 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 64 proven. 0 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2023-11-23 21:29:40,925 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-23 21:29:40,925 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [933961423] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 21:29:40,926 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2023-11-23 21:29:40,926 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [17, 10] total 31 [2023-11-23 21:29:40,926 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1493527562] [2023-11-23 21:29:40,927 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 21:29:40,927 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-23 21:29:40,928 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-23 21:29:40,929 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-23 21:29:40,930 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=165, Invalid=765, Unknown=0, NotChecked=0, Total=930 [2023-11-23 21:29:40,930 INFO L87 Difference]: Start difference. First operand 106 states and 151 transitions. Second operand has 8 states, 8 states have (on average 6.5) internal successors, (52), 7 states have internal predecessors, (52), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2023-11-23 21:29:43,835 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 21:29:43,835 INFO L93 Difference]: Finished difference Result 308 states and 439 transitions. [2023-11-23 21:29:43,836 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-11-23 21:29:43,836 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 6.5) internal successors, (52), 7 states have internal predecessors, (52), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) Word has length 131 [2023-11-23 21:29:43,836 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 21:29:43,838 INFO L225 Difference]: With dead ends: 308 [2023-11-23 21:29:43,838 INFO L226 Difference]: Without dead ends: 203 [2023-11-23 21:29:43,839 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 392 GetRequests, 361 SyntacticMatches, 0 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 347 ImplicationChecksByTransitivity, 2.4s TimeCoverageRelationStatistics Valid=178, Invalid=878, Unknown=0, NotChecked=0, Total=1056 [2023-11-23 21:29:43,840 INFO L413 NwaCegarLoop]: 108 mSDtfsCounter, 265 mSDsluCounter, 194 mSDsCounter, 0 mSdLazyCounter, 702 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 267 SdHoareTripleChecker+Valid, 302 SdHoareTripleChecker+Invalid, 722 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 702 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.7s IncrementalHoareTripleChecker+Time [2023-11-23 21:29:43,841 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [267 Valid, 302 Invalid, 722 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 702 Invalid, 0 Unknown, 0 Unchecked, 2.7s Time] [2023-11-23 21:29:43,842 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 203 states. [2023-11-23 21:29:43,857 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 203 to 196. [2023-11-23 21:29:43,858 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 196 states, 159 states have (on average 1.3333333333333333) internal successors, (212), 160 states have internal predecessors, (212), 34 states have call successors, (34), 2 states have call predecessors, (34), 2 states have return successors, (34), 33 states have call predecessors, (34), 34 states have call successors, (34) [2023-11-23 21:29:43,859 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 196 states to 196 states and 280 transitions. [2023-11-23 21:29:43,860 INFO L78 Accepts]: Start accepts. Automaton has 196 states and 280 transitions. Word has length 131 [2023-11-23 21:29:43,860 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 21:29:43,860 INFO L495 AbstractCegarLoop]: Abstraction has 196 states and 280 transitions. [2023-11-23 21:29:43,861 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 6.5) internal successors, (52), 7 states have internal predecessors, (52), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2023-11-23 21:29:43,861 INFO L276 IsEmpty]: Start isEmpty. Operand 196 states and 280 transitions. [2023-11-23 21:29:43,863 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2023-11-23 21:29:43,863 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:29:43,863 INFO L195 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 21:29:43,880 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9dfb53fb-afcf-4063-bc9e-83b895ef6ae9/bin/utaipan-verify-mE87zJ7Ire/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (8)] Forceful destruction successful, exit code 0 [2023-11-23 21:29:44,077 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9dfb53fb-afcf-4063-bc9e-83b895ef6ae9/bin/utaipan-verify-mE87zJ7Ire/cvc4 --incremental --print-success --lang smt (9)] Ended with exit code 0 [2023-11-23 21:29:44,272 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9dfb53fb-afcf-4063-bc9e-83b895ef6ae9/bin/utaipan-verify-mE87zJ7Ire/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3,9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9dfb53fb-afcf-4063-bc9e-83b895ef6ae9/bin/utaipan-verify-mE87zJ7Ire/cvc4 --incremental --print-success --lang smt [2023-11-23 21:29:44,273 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:29:44,273 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:29:44,273 INFO L85 PathProgramCache]: Analyzing trace with hash -1576619215, now seen corresponding path program 1 times [2023-11-23 21:29:44,274 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-23 21:29:44,274 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1202488337] [2023-11-23 21:29:44,274 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:29:44,274 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-23 21:29:44,274 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9dfb53fb-afcf-4063-bc9e-83b895ef6ae9/bin/utaipan-verify-mE87zJ7Ire/mathsat [2023-11-23 21:29:44,275 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9dfb53fb-afcf-4063-bc9e-83b895ef6ae9/bin/utaipan-verify-mE87zJ7Ire/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-23 21:29:44,276 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9dfb53fb-afcf-4063-bc9e-83b895ef6ae9/bin/utaipan-verify-mE87zJ7Ire/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (10)] Waiting until timeout for monitored process [2023-11-23 21:29:44,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:29:44,559 INFO L262 TraceCheckSpWp]: Trace formula consists of 254 conjuncts, 23 conjunts are in the unsatisfiable core [2023-11-23 21:29:44,564 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 21:29:44,574 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2023-11-23 21:29:44,756 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 30 [2023-11-23 21:29:44,940 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-23 21:29:44,941 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 52 treesize of output 33 [2023-11-23 21:29:45,051 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-23 21:29:45,052 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 77 treesize of output 54 [2023-11-23 21:29:45,287 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-23 21:29:45,288 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 65 treesize of output 67 [2023-11-23 21:29:45,452 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-23 21:29:45,452 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 80 treesize of output 70 [2023-11-23 21:29:45,487 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-23 21:29:45,487 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 71 treesize of output 29 [2023-11-23 21:29:45,525 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 238 proven. 18 refuted. 0 times theorem prover too weak. 288 trivial. 0 not checked. [2023-11-23 21:29:45,525 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-23 21:29:46,004 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 72 proven. 18 refuted. 0 times theorem prover too weak. 454 trivial. 0 not checked. [2023-11-23 21:29:46,004 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-23 21:29:46,005 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1202488337] [2023-11-23 21:29:46,005 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1202488337] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-23 21:29:46,005 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [162664419] [2023-11-23 21:29:46,005 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:29:46,005 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-23 21:29:46,006 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9dfb53fb-afcf-4063-bc9e-83b895ef6ae9/bin/utaipan-verify-mE87zJ7Ire/cvc4 [2023-11-23 21:29:46,007 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9dfb53fb-afcf-4063-bc9e-83b895ef6ae9/bin/utaipan-verify-mE87zJ7Ire/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-23 21:29:46,024 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9dfb53fb-afcf-4063-bc9e-83b895ef6ae9/bin/utaipan-verify-mE87zJ7Ire/cvc4 --incremental --print-success --lang smt (11)] Waiting until timeout for monitored process [2023-11-23 21:29:46,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:29:46,733 INFO L262 TraceCheckSpWp]: Trace formula consists of 254 conjuncts, 26 conjunts are in the unsatisfiable core [2023-11-23 21:29:46,738 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 21:29:46,933 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2023-11-23 21:29:47,468 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 31 treesize of output 26 [2023-11-23 21:29:47,745 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-23 21:29:47,745 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 42 treesize of output 29 [2023-11-23 21:29:47,892 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-23 21:29:47,892 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 10 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 56 treesize of output 29 [2023-11-23 21:29:48,075 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-23 21:29:48,075 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 39 treesize of output 37 [2023-11-23 21:29:48,253 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-23 21:29:48,253 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 50 treesize of output 40 [2023-11-23 21:29:48,279 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-23 21:29:48,280 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 43 treesize of output 23 [2023-11-23 21:29:48,288 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 238 proven. 18 refuted. 0 times theorem prover too weak. 288 trivial. 0 not checked. [2023-11-23 21:29:48,289 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-23 21:29:48,584 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 72 proven. 18 refuted. 0 times theorem prover too weak. 454 trivial. 0 not checked. [2023-11-23 21:29:48,585 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [162664419] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-23 21:29:48,585 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1472548592] [2023-11-23 21:29:48,585 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:29:48,585 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 21:29:48,586 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9dfb53fb-afcf-4063-bc9e-83b895ef6ae9/bin/utaipan-verify-mE87zJ7Ire/z3 [2023-11-23 21:29:48,588 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9dfb53fb-afcf-4063-bc9e-83b895ef6ae9/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-23 21:29:48,604 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9dfb53fb-afcf-4063-bc9e-83b895ef6ae9/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2023-11-23 21:29:48,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:29:48,777 INFO L262 TraceCheckSpWp]: Trace formula consists of 254 conjuncts, 35 conjunts are in the unsatisfiable core [2023-11-23 21:29:48,785 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 21:29:49,364 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 42 treesize of output 20 [2023-11-23 21:29:50,334 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-23 21:29:50,339 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 59 treesize of output 49 [2023-11-23 21:29:50,775 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-23 21:29:50,775 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 74 treesize of output 52 [2023-11-23 21:29:50,950 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-23 21:29:50,950 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 101 treesize of output 84 [2023-11-23 21:29:51,593 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-23 21:29:51,594 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 104 treesize of output 100 [2023-11-23 21:29:51,964 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-23 21:29:51,964 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 21 case distinctions, treesize of input 119 treesize of output 103 [2023-11-23 21:29:52,267 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-23 21:29:52,268 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 21 case distinctions, treesize of input 110 treesize of output 44 [2023-11-23 21:29:52,281 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 306 proven. 36 refuted. 0 times theorem prover too weak. 202 trivial. 0 not checked. [2023-11-23 21:29:52,281 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-23 21:29:53,049 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 72 proven. 18 refuted. 0 times theorem prover too weak. 454 trivial. 0 not checked. [2023-11-23 21:29:53,050 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1472548592] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-23 21:29:53,050 INFO L185 FreeRefinementEngine]: Found 0 perfect and 6 imperfect interpolant sequences. [2023-11-23 21:29:53,050 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 10, 14, 10, 23, 11] total 58 [2023-11-23 21:29:53,051 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [632265898] [2023-11-23 21:29:53,051 INFO L85 oduleStraightlineAll]: Using 6 imperfect interpolants to construct interpolant automaton [2023-11-23 21:29:53,052 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 58 states [2023-11-23 21:29:53,053 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-23 21:29:53,054 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 58 interpolants. [2023-11-23 21:29:53,056 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=572, Invalid=2734, Unknown=0, NotChecked=0, Total=3306 [2023-11-23 21:29:53,057 INFO L87 Difference]: Start difference. First operand 196 states and 280 transitions. Second operand has 58 states, 46 states have (on average 3.4782608695652173) internal successors, (160), 51 states have internal predecessors, (160), 19 states have call successors, (51), 10 states have call predecessors, (51), 14 states have return successors, (51), 14 states have call predecessors, (51), 19 states have call successors, (51)