./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-52.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a0165632 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5108891d-fa98-4d06-a5d9-3138bec969c0/bin/uautomizer-verify-jihMAELWvX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5108891d-fa98-4d06-a5d9-3138bec969c0/bin/uautomizer-verify-jihMAELWvX/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5108891d-fa98-4d06-a5d9-3138bec969c0/bin/uautomizer-verify-jihMAELWvX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5108891d-fa98-4d06-a5d9-3138bec969c0/bin/uautomizer-verify-jihMAELWvX/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-52.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5108891d-fa98-4d06-a5d9-3138bec969c0/bin/uautomizer-verify-jihMAELWvX/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5108891d-fa98-4d06-a5d9-3138bec969c0/bin/uautomizer-verify-jihMAELWvX --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 4491c2c71bcb09f93dac0c67ab6bd9a5a290ed536e16d5c9a21e40a7cfd02193 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 16:32:48,449 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 16:32:48,526 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5108891d-fa98-4d06-a5d9-3138bec969c0/bin/uautomizer-verify-jihMAELWvX/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-08 16:32:48,530 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 16:32:48,531 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-08 16:32:48,568 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 16:32:48,569 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-08 16:32:48,570 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-08 16:32:48,571 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-08 16:32:48,572 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-08 16:32:48,573 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 16:32:48,573 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-08 16:32:48,574 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 16:32:48,574 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 16:32:48,574 INFO L153 SettingsManager]: * Use SBE=true [2024-11-08 16:32:48,575 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 16:32:48,575 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 16:32:48,575 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-08 16:32:48,576 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-08 16:32:48,576 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-08 16:32:48,576 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 16:32:48,581 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 16:32:48,581 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 16:32:48,581 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 16:32:48,582 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 16:32:48,582 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-08 16:32:48,582 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 16:32:48,582 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 16:32:48,583 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 16:32:48,583 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-08 16:32:48,583 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-08 16:32:48,583 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-08 16:32:48,583 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-08 16:32:48,584 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 16:32:48,584 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 16:32:48,584 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 16:32:48,585 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-08 16:32:48,585 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-08 16:32:48,585 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-08 16:32:48,586 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-08 16:32:48,586 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-08 16:32:48,587 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-08 16:32:48,587 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5108891d-fa98-4d06-a5d9-3138bec969c0/bin/uautomizer-verify-jihMAELWvX/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5108891d-fa98-4d06-a5d9-3138bec969c0/bin/uautomizer-verify-jihMAELWvX Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4491c2c71bcb09f93dac0c67ab6bd9a5a290ed536e16d5c9a21e40a7cfd02193 [2024-11-08 16:32:48,882 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 16:32:48,910 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 16:32:48,914 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 16:32:48,915 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 16:32:48,916 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 16:32:48,917 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5108891d-fa98-4d06-a5d9-3138bec969c0/bin/uautomizer-verify-jihMAELWvX/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-52.i Unable to find full path for "g++" [2024-11-08 16:32:50,924 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 16:32:51,174 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 16:32:51,175 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5108891d-fa98-4d06-a5d9-3138bec969c0/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-52.i [2024-11-08 16:32:51,184 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5108891d-fa98-4d06-a5d9-3138bec969c0/bin/uautomizer-verify-jihMAELWvX/data/d7f946605/116ad4c9593849cf9fbffa0fb8cfa2e2/FLAG9e282986d [2024-11-08 16:32:51,199 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5108891d-fa98-4d06-a5d9-3138bec969c0/bin/uautomizer-verify-jihMAELWvX/data/d7f946605/116ad4c9593849cf9fbffa0fb8cfa2e2 [2024-11-08 16:32:51,202 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 16:32:51,203 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 16:32:51,205 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 16:32:51,205 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 16:32:51,211 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 16:32:51,212 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 04:32:51" (1/1) ... [2024-11-08 16:32:51,213 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4b4db3df and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:32:51, skipping insertion in model container [2024-11-08 16:32:51,213 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 04:32:51" (1/1) ... [2024-11-08 16:32:51,245 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 16:32:51,446 WARN L250 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_5108891d-fa98-4d06-a5d9-3138bec969c0/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-52.i[916,929] [2024-11-08 16:32:51,503 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 16:32:51,514 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 16:32:51,525 WARN L250 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_5108891d-fa98-4d06-a5d9-3138bec969c0/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-52.i[916,929] [2024-11-08 16:32:51,578 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 16:32:51,603 INFO L204 MainTranslator]: Completed translation [2024-11-08 16:32:51,604 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:32:51 WrapperNode [2024-11-08 16:32:51,604 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 16:32:51,605 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 16:32:51,605 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 16:32:51,606 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 16:32:51,614 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:32:51" (1/1) ... [2024-11-08 16:32:51,632 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:32:51" (1/1) ... [2024-11-08 16:32:51,685 INFO L138 Inliner]: procedures = 30, calls = 152, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 460 [2024-11-08 16:32:51,685 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 16:32:51,686 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 16:32:51,686 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 16:32:51,686 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 16:32:51,701 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:32:51" (1/1) ... [2024-11-08 16:32:51,701 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:32:51" (1/1) ... [2024-11-08 16:32:51,706 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:32:51" (1/1) ... [2024-11-08 16:32:51,714 WARN L109 MemorySlicer]: Omit memory slicing because it failed with the following exception: Unsupported: Memory array in LHS [2024-11-08 16:32:51,714 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:32:51" (1/1) ... [2024-11-08 16:32:51,714 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:32:51" (1/1) ... [2024-11-08 16:32:51,731 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:32:51" (1/1) ... [2024-11-08 16:32:51,736 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:32:51" (1/1) ... [2024-11-08 16:32:51,739 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:32:51" (1/1) ... [2024-11-08 16:32:51,741 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:32:51" (1/1) ... [2024-11-08 16:32:51,746 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 16:32:51,747 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 16:32:51,747 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 16:32:51,747 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 16:32:51,748 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:32:51" (1/1) ... [2024-11-08 16:32:51,754 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-08 16:32:51,767 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5108891d-fa98-4d06-a5d9-3138bec969c0/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 16:32:51,799 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5108891d-fa98-4d06-a5d9-3138bec969c0/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-08 16:32:51,811 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5108891d-fa98-4d06-a5d9-3138bec969c0/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-08 16:32:51,841 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 16:32:51,842 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real [2024-11-08 16:32:51,844 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2024-11-08 16:32:51,844 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2024-11-08 16:32:51,845 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-08 16:32:51,845 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2024-11-08 16:32:51,845 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-08 16:32:51,845 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-08 16:32:51,845 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-08 16:32:51,845 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-08 16:32:51,845 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 16:32:51,846 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 16:32:51,998 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 16:32:52,000 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 16:32:52,771 INFO L? ?]: Removed 108 outVars from TransFormulas that were not future-live. [2024-11-08 16:32:52,771 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 16:32:52,787 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 16:32:52,787 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-08 16:32:52,788 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 04:32:52 BoogieIcfgContainer [2024-11-08 16:32:52,788 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 16:32:52,792 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-08 16:32:52,792 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-08 16:32:52,797 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-08 16:32:52,797 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.11 04:32:51" (1/3) ... [2024-11-08 16:32:52,798 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4017e2da and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 04:32:52, skipping insertion in model container [2024-11-08 16:32:52,799 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:32:51" (2/3) ... [2024-11-08 16:32:52,800 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4017e2da and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 04:32:52, skipping insertion in model container [2024-11-08 16:32:52,800 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 04:32:52" (3/3) ... [2024-11-08 16:32:52,803 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_wrapper-s_file-52.i [2024-11-08 16:32:52,824 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-08 16:32:52,824 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-08 16:32:52,899 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-08 16:32:52,907 INFO L333 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, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@12c212ae, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-08 16:32:52,907 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-08 16:32:52,912 INFO L276 IsEmpty]: Start isEmpty. Operand has 115 states, 94 states have (on average 1.4042553191489362) internal successors, (132), 95 states have internal predecessors, (132), 18 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2024-11-08 16:32:52,927 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2024-11-08 16:32:52,928 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 16:32:52,929 INFO L215 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 16:32:52,930 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 16:32:52,935 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:32:52,936 INFO L85 PathProgramCache]: Analyzing trace with hash -1629295570, now seen corresponding path program 1 times [2024-11-08 16:32:52,947 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 16:32:52,947 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1647264760] [2024-11-08 16:32:52,948 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:32:52,948 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 16:32:53,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:32:53,456 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-08 16:32:53,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:32:53,467 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-08 16:32:53,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:32:53,477 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-08 16:32:53,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:32:53,481 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-08 16:32:53,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:32:53,489 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-08 16:32:53,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:32:53,497 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-08 16:32:53,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:32:53,508 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-08 16:32:53,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:32:53,513 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-08 16:32:53,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:32:53,522 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-08 16:32:53,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:32:53,529 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-08 16:32:53,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:32:53,540 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-08 16:32:53,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:32:53,543 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-08 16:32:53,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:32:53,553 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-11-08 16:32:53,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:32:53,561 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-08 16:32:53,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:32:53,567 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-08 16:32:53,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:32:53,572 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-08 16:32:53,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:32:53,577 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-08 16:32:53,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:32:53,582 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-08 16:32:53,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:32:53,592 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2024-11-08 16:32:53,593 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 16:32:53,593 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1647264760] [2024-11-08 16:32:53,594 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1647264760] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 16:32:53,594 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 16:32:53,594 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-08 16:32:53,597 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1539980595] [2024-11-08 16:32:53,598 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 16:32:53,605 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-08 16:32:53,605 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 16:32:53,635 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-08 16:32:53,636 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-08 16:32:53,640 INFO L87 Difference]: Start difference. First operand has 115 states, 94 states have (on average 1.4042553191489362) internal successors, (132), 95 states have internal predecessors, (132), 18 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) Second operand has 2 states, 2 states have (on average 29.0) internal successors, (58), 2 states have internal predecessors, (58), 2 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 2 states have call successors, (18) [2024-11-08 16:32:53,688 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 16:32:53,690 INFO L93 Difference]: Finished difference Result 223 states and 348 transitions. [2024-11-08 16:32:53,691 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-08 16:32:53,693 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 29.0) internal successors, (58), 2 states have internal predecessors, (58), 2 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 2 states have call successors, (18) Word has length 145 [2024-11-08 16:32:53,693 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 16:32:53,705 INFO L225 Difference]: With dead ends: 223 [2024-11-08 16:32:53,706 INFO L226 Difference]: Without dead ends: 111 [2024-11-08 16:32:53,711 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 56 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-08 16:32:53,716 INFO L432 NwaCegarLoop]: 161 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 161 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-08 16:32:53,718 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 161 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-08 16:32:53,740 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 111 states. [2024-11-08 16:32:53,763 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 111 to 111. [2024-11-08 16:32:53,765 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 111 states, 91 states have (on average 1.3736263736263736) internal successors, (125), 91 states have internal predecessors, (125), 18 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2024-11-08 16:32:53,767 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 111 states and 161 transitions. [2024-11-08 16:32:53,769 INFO L78 Accepts]: Start accepts. Automaton has 111 states and 161 transitions. Word has length 145 [2024-11-08 16:32:53,769 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 16:32:53,769 INFO L471 AbstractCegarLoop]: Abstraction has 111 states and 161 transitions. [2024-11-08 16:32:53,770 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 29.0) internal successors, (58), 2 states have internal predecessors, (58), 2 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 2 states have call successors, (18) [2024-11-08 16:32:53,770 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 161 transitions. [2024-11-08 16:32:53,773 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2024-11-08 16:32:53,774 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 16:32:53,774 INFO L215 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 16:32:53,774 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-08 16:32:53,775 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 16:32:53,775 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:32:53,775 INFO L85 PathProgramCache]: Analyzing trace with hash -1838177134, now seen corresponding path program 1 times [2024-11-08 16:32:53,776 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 16:32:53,776 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2108801026] [2024-11-08 16:32:53,776 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:32:53,776 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 16:32:53,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:32:54,272 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-08 16:32:54,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:32:54,277 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-08 16:32:54,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:32:54,284 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-08 16:32:54,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:32:54,291 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-08 16:32:54,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:32:54,299 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-08 16:32:54,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:32:54,306 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-08 16:32:54,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:32:54,313 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-08 16:32:54,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:32:54,320 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-08 16:32:54,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:32:54,324 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-08 16:32:54,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:32:54,329 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-08 16:32:54,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:32:54,334 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-08 16:32:54,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:32:54,338 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-08 16:32:54,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:32:54,344 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-11-08 16:32:54,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:32:54,349 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-08 16:32:54,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:32:54,357 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-08 16:32:54,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:32:54,361 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-08 16:32:54,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:32:54,366 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-08 16:32:54,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:32:54,372 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-08 16:32:54,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:32:54,377 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2024-11-08 16:32:54,377 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 16:32:54,379 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2108801026] [2024-11-08 16:32:54,379 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2108801026] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 16:32:54,380 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 16:32:54,380 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-08 16:32:54,380 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1543849021] [2024-11-08 16:32:54,380 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 16:32:54,381 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-08 16:32:54,382 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 16:32:54,383 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-08 16:32:54,383 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-08 16:32:54,384 INFO L87 Difference]: Start difference. First operand 111 states and 161 transitions. Second operand has 4 states, 4 states have (on average 14.5) internal successors, (58), 4 states have internal predecessors, (58), 2 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2024-11-08 16:32:54,454 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 16:32:54,455 INFO L93 Difference]: Finished difference Result 221 states and 322 transitions. [2024-11-08 16:32:54,458 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-08 16:32:54,459 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 14.5) internal successors, (58), 4 states have internal predecessors, (58), 2 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Word has length 145 [2024-11-08 16:32:54,459 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 16:32:54,460 INFO L225 Difference]: With dead ends: 221 [2024-11-08 16:32:54,461 INFO L226 Difference]: Without dead ends: 113 [2024-11-08 16:32:54,461 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-08 16:32:54,462 INFO L432 NwaCegarLoop]: 159 mSDtfsCounter, 0 mSDsluCounter, 307 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 466 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-08 16:32:54,463 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 466 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-08 16:32:54,464 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 113 states. [2024-11-08 16:32:54,479 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 113 to 113. [2024-11-08 16:32:54,480 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 113 states, 93 states have (on average 1.3655913978494623) internal successors, (127), 93 states have internal predecessors, (127), 18 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2024-11-08 16:32:54,484 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 113 states and 163 transitions. [2024-11-08 16:32:54,484 INFO L78 Accepts]: Start accepts. Automaton has 113 states and 163 transitions. Word has length 145 [2024-11-08 16:32:54,485 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 16:32:54,486 INFO L471 AbstractCegarLoop]: Abstraction has 113 states and 163 transitions. [2024-11-08 16:32:54,486 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 14.5) internal successors, (58), 4 states have internal predecessors, (58), 2 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2024-11-08 16:32:54,486 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 163 transitions. [2024-11-08 16:32:54,491 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2024-11-08 16:32:54,491 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 16:32:54,491 INFO L215 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 16:32:54,492 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-08 16:32:54,492 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 16:32:54,492 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:32:54,495 INFO L85 PathProgramCache]: Analyzing trace with hash 1896090384, now seen corresponding path program 1 times [2024-11-08 16:32:54,496 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 16:32:54,496 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1986422772] [2024-11-08 16:32:54,496 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:32:54,496 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 16:32:54,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:32:56,646 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-08 16:32:56,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:32:56,652 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-08 16:32:56,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:32:56,655 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-08 16:32:56,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:32:56,657 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-08 16:32:56,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:32:56,664 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-08 16:32:56,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:32:56,670 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-08 16:32:56,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:32:56,677 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-08 16:32:56,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:32:56,732 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-08 16:32:56,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:32:56,748 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-08 16:32:56,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:32:56,753 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-08 16:32:56,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:32:56,763 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-08 16:32:56,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:32:56,771 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-08 16:32:56,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:32:56,780 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-11-08 16:32:56,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:32:56,786 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-08 16:32:56,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:32:56,792 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-08 16:32:56,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:32:56,806 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-08 16:32:56,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:32:56,816 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-08 16:32:56,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:32:56,822 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-08 16:32:56,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:32:56,832 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 18 proven. 33 refuted. 0 times theorem prover too weak. 561 trivial. 0 not checked. [2024-11-08 16:32:56,832 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 16:32:56,832 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1986422772] [2024-11-08 16:32:56,833 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1986422772] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-08 16:32:56,833 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1856926405] [2024-11-08 16:32:56,833 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:32:56,833 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 16:32:56,833 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5108891d-fa98-4d06-a5d9-3138bec969c0/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 16:32:56,837 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5108891d-fa98-4d06-a5d9-3138bec969c0/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 16:32:56,841 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5108891d-fa98-4d06-a5d9-3138bec969c0/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-08 16:32:57,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:32:57,132 INFO L255 TraceCheckSpWp]: Trace formula consists of 499 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-08 16:32:57,147 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 16:32:57,264 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 89 treesize of output 59 [2024-11-08 16:32:57,602 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-08 16:32:57,602 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 279 treesize of output 171 [2024-11-08 16:32:57,664 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2024-11-08 16:32:57,665 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-08 16:32:57,665 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1856926405] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 16:32:57,665 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-08 16:32:57,665 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [8] total 11 [2024-11-08 16:32:57,666 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [762750407] [2024-11-08 16:32:57,666 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 16:32:57,666 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-08 16:32:57,666 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 16:32:57,667 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-08 16:32:57,667 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=90, Unknown=0, NotChecked=0, Total=110 [2024-11-08 16:32:57,668 INFO L87 Difference]: Start difference. First operand 113 states and 163 transitions. Second operand has 5 states, 5 states have (on average 11.6) internal successors, (58), 5 states have internal predecessors, (58), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2024-11-08 16:32:58,114 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 16:32:58,114 INFO L93 Difference]: Finished difference Result 262 states and 378 transitions. [2024-11-08 16:32:58,115 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-08 16:32:58,115 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.6) internal successors, (58), 5 states have internal predecessors, (58), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) Word has length 145 [2024-11-08 16:32:58,116 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 16:32:58,117 INFO L225 Difference]: With dead ends: 262 [2024-11-08 16:32:58,117 INFO L226 Difference]: Without dead ends: 152 [2024-11-08 16:32:58,118 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 198 GetRequests, 187 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=28, Invalid=128, Unknown=0, NotChecked=0, Total=156 [2024-11-08 16:32:58,119 INFO L432 NwaCegarLoop]: 142 mSDtfsCounter, 49 mSDsluCounter, 373 mSDsCounter, 0 mSdLazyCounter, 135 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 49 SdHoareTripleChecker+Valid, 515 SdHoareTripleChecker+Invalid, 136 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 135 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-08 16:32:58,119 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [49 Valid, 515 Invalid, 136 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 135 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-08 16:32:58,120 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 152 states. [2024-11-08 16:32:58,127 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 152 to 122. [2024-11-08 16:32:58,128 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 122 states, 102 states have (on average 1.3725490196078431) internal successors, (140), 102 states have internal predecessors, (140), 18 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2024-11-08 16:32:58,129 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 122 states and 176 transitions. [2024-11-08 16:32:58,129 INFO L78 Accepts]: Start accepts. Automaton has 122 states and 176 transitions. Word has length 145 [2024-11-08 16:32:58,130 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 16:32:58,130 INFO L471 AbstractCegarLoop]: Abstraction has 122 states and 176 transitions. [2024-11-08 16:32:58,130 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.6) internal successors, (58), 5 states have internal predecessors, (58), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2024-11-08 16:32:58,130 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 176 transitions. [2024-11-08 16:32:58,132 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2024-11-08 16:32:58,132 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 16:32:58,132 INFO L215 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 16:32:58,154 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5108891d-fa98-4d06-a5d9-3138bec969c0/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-08 16:32:58,336 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5108891d-fa98-4d06-a5d9-3138bec969c0/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 16:32:58,337 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 16:32:58,338 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:32:58,338 INFO L85 PathProgramCache]: Analyzing trace with hash -1697812334, now seen corresponding path program 1 times [2024-11-08 16:32:58,338 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 16:32:58,338 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1626169089] [2024-11-08 16:32:58,339 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:32:58,339 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 16:32:58,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:32:59,851 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-08 16:32:59,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:32:59,854 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-08 16:32:59,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:32:59,856 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-08 16:32:59,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:32:59,865 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-08 16:32:59,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:32:59,867 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-08 16:32:59,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:32:59,874 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-08 16:32:59,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:32:59,876 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-08 16:32:59,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:32:59,910 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-08 16:32:59,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:32:59,914 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-08 16:32:59,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:32:59,919 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-08 16:32:59,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:32:59,923 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-08 16:32:59,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:32:59,927 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-08 16:32:59,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:32:59,932 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-11-08 16:32:59,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:32:59,936 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-08 16:32:59,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:32:59,940 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-08 16:32:59,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:32:59,944 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-08 16:32:59,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:32:59,948 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-08 16:32:59,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:32:59,952 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-08 16:32:59,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:32:59,957 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 18 proven. 33 refuted. 0 times theorem prover too weak. 561 trivial. 0 not checked. [2024-11-08 16:32:59,957 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 16:32:59,958 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1626169089] [2024-11-08 16:32:59,958 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1626169089] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-08 16:32:59,958 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1499299963] [2024-11-08 16:32:59,958 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:32:59,958 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 16:32:59,959 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5108891d-fa98-4d06-a5d9-3138bec969c0/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 16:32:59,960 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5108891d-fa98-4d06-a5d9-3138bec969c0/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 16:32:59,962 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5108891d-fa98-4d06-a5d9-3138bec969c0/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-08 16:33:00,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:33:00,287 INFO L255 TraceCheckSpWp]: Trace formula consists of 499 conjuncts, 28 conjuncts are in the unsatisfiable core [2024-11-08 16:33:00,295 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 16:33:00,526 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 25 treesize of output 13 [2024-11-08 16:33:00,614 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 25 treesize of output 13 [2024-11-08 16:33:00,709 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 25 treesize of output 13 [2024-11-08 16:33:00,785 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 25 treesize of output 13 [2024-11-08 16:33:00,874 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 25 treesize of output 13 [2024-11-08 16:33:00,941 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 25 treesize of output 13 [2024-11-08 16:33:01,013 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 25 treesize of output 13 [2024-11-08 16:33:01,127 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-08 16:33:01,128 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 25 treesize of output 27 [2024-11-08 16:33:01,180 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-08 16:33:01,181 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 28 treesize of output 12 [2024-11-08 16:33:01,187 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 293 proven. 33 refuted. 0 times theorem prover too weak. 286 trivial. 0 not checked. [2024-11-08 16:33:01,189 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-08 16:33:01,628 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 25 treesize of output 13 [2024-11-08 16:33:01,655 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 18 proven. 33 refuted. 0 times theorem prover too weak. 561 trivial. 0 not checked. [2024-11-08 16:33:01,656 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1499299963] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-08 16:33:01,656 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-08 16:33:01,656 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 8, 7] total 16 [2024-11-08 16:33:01,656 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [49040014] [2024-11-08 16:33:01,657 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-08 16:33:01,657 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-11-08 16:33:01,658 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 16:33:01,658 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-11-08 16:33:01,659 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=182, Unknown=0, NotChecked=0, Total=240 [2024-11-08 16:33:01,659 INFO L87 Difference]: Start difference. First operand 122 states and 176 transitions. Second operand has 16 states, 13 states have (on average 8.615384615384615) internal successors, (112), 16 states have internal predecessors, (112), 7 states have call successors, (37), 3 states have call predecessors, (37), 6 states have return successors, (37), 4 states have call predecessors, (37), 7 states have call successors, (37) [2024-11-08 16:33:03,408 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 16:33:03,409 INFO L93 Difference]: Finished difference Result 333 states and 473 transitions. [2024-11-08 16:33:03,409 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-11-08 16:33:03,409 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 13 states have (on average 8.615384615384615) internal successors, (112), 16 states have internal predecessors, (112), 7 states have call successors, (37), 3 states have call predecessors, (37), 6 states have return successors, (37), 4 states have call predecessors, (37), 7 states have call successors, (37) Word has length 145 [2024-11-08 16:33:03,410 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 16:33:03,411 INFO L225 Difference]: With dead ends: 333 [2024-11-08 16:33:03,411 INFO L226 Difference]: Without dead ends: 214 [2024-11-08 16:33:03,412 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 348 GetRequests, 314 SyntacticMatches, 10 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 121 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=175, Invalid=475, Unknown=0, NotChecked=0, Total=650 [2024-11-08 16:33:03,413 INFO L432 NwaCegarLoop]: 88 mSDtfsCounter, 381 mSDsluCounter, 403 mSDsCounter, 0 mSdLazyCounter, 877 mSolverCounterSat, 43 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 394 SdHoareTripleChecker+Valid, 491 SdHoareTripleChecker+Invalid, 920 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 43 IncrementalHoareTripleChecker+Valid, 877 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2024-11-08 16:33:03,414 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [394 Valid, 491 Invalid, 920 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [43 Valid, 877 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2024-11-08 16:33:03,415 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 214 states. [2024-11-08 16:33:03,431 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 214 to 204. [2024-11-08 16:33:03,432 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 204 states, 170 states have (on average 1.3470588235294119) internal successors, (229), 172 states have internal predecessors, (229), 30 states have call successors, (30), 3 states have call predecessors, (30), 3 states have return successors, (30), 28 states have call predecessors, (30), 30 states have call successors, (30) [2024-11-08 16:33:03,434 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 204 states to 204 states and 289 transitions. [2024-11-08 16:33:03,434 INFO L78 Accepts]: Start accepts. Automaton has 204 states and 289 transitions. Word has length 145 [2024-11-08 16:33:03,435 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 16:33:03,435 INFO L471 AbstractCegarLoop]: Abstraction has 204 states and 289 transitions. [2024-11-08 16:33:03,435 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 13 states have (on average 8.615384615384615) internal successors, (112), 16 states have internal predecessors, (112), 7 states have call successors, (37), 3 states have call predecessors, (37), 6 states have return successors, (37), 4 states have call predecessors, (37), 7 states have call successors, (37) [2024-11-08 16:33:03,436 INFO L276 IsEmpty]: Start isEmpty. Operand 204 states and 289 transitions. [2024-11-08 16:33:03,437 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2024-11-08 16:33:03,438 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 16:33:03,438 INFO L215 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 16:33:03,461 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5108891d-fa98-4d06-a5d9-3138bec969c0/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-08 16:33:03,642 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5108891d-fa98-4d06-a5d9-3138bec969c0/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable3 [2024-11-08 16:33:03,643 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 16:33:03,643 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:33:03,644 INFO L85 PathProgramCache]: Analyzing trace with hash 607562123, now seen corresponding path program 1 times [2024-11-08 16:33:03,644 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 16:33:03,644 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1587030443] [2024-11-08 16:33:03,644 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:33:03,644 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 16:33:03,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 16:33:03,786 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 16:33:03,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 16:33:03,917 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-08 16:33:03,917 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-08 16:33:03,919 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-08 16:33:03,921 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-08 16:33:03,925 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2024-11-08 16:33:04,007 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-08 16:33:04,012 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.11 04:33:04 BoogieIcfgContainer [2024-11-08 16:33:04,012 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-08 16:33:04,013 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-08 16:33:04,013 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-08 16:33:04,013 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-08 16:33:04,014 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 04:32:52" (3/4) ... [2024-11-08 16:33:04,017 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-08 16:33:04,018 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-08 16:33:04,019 INFO L158 Benchmark]: Toolchain (without parser) took 12815.68ms. Allocated memory was 140.5MB in the beginning and 255.9MB in the end (delta: 115.3MB). Free memory was 105.6MB in the beginning and 171.8MB in the end (delta: -66.2MB). Peak memory consumption was 52.2MB. Max. memory is 16.1GB. [2024-11-08 16:33:04,019 INFO L158 Benchmark]: CDTParser took 0.25ms. Allocated memory is still 140.5MB. Free memory is still 109.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 16:33:04,019 INFO L158 Benchmark]: CACSL2BoogieTranslator took 399.73ms. Allocated memory is still 140.5MB. Free memory was 105.6MB in the beginning and 87.7MB in the end (delta: 17.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2024-11-08 16:33:04,020 INFO L158 Benchmark]: Boogie Procedure Inliner took 79.95ms. Allocated memory is still 140.5MB. Free memory was 87.7MB in the beginning and 83.6MB in the end (delta: 4.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-08 16:33:04,020 INFO L158 Benchmark]: Boogie Preprocessor took 60.12ms. Allocated memory is still 140.5MB. Free memory was 83.6MB in the beginning and 79.9MB in the end (delta: 3.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-08 16:33:04,021 INFO L158 Benchmark]: RCFGBuilder took 1041.68ms. Allocated memory was 140.5MB in the beginning and 176.2MB in the end (delta: 35.7MB). Free memory was 79.9MB in the beginning and 143.6MB in the end (delta: -63.7MB). Peak memory consumption was 39.5MB. Max. memory is 16.1GB. [2024-11-08 16:33:04,021 INFO L158 Benchmark]: TraceAbstraction took 11220.49ms. Allocated memory was 176.2MB in the beginning and 255.9MB in the end (delta: 79.7MB). Free memory was 142.6MB in the beginning and 172.8MB in the end (delta: -30.2MB). Peak memory consumption was 50.5MB. Max. memory is 16.1GB. [2024-11-08 16:33:04,022 INFO L158 Benchmark]: Witness Printer took 5.83ms. Allocated memory is still 255.9MB. Free memory was 172.8MB in the beginning and 171.8MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 16:33:04,024 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25ms. Allocated memory is still 140.5MB. Free memory is still 109.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 399.73ms. Allocated memory is still 140.5MB. Free memory was 105.6MB in the beginning and 87.7MB in the end (delta: 17.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 79.95ms. Allocated memory is still 140.5MB. Free memory was 87.7MB in the beginning and 83.6MB in the end (delta: 4.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 60.12ms. Allocated memory is still 140.5MB. Free memory was 83.6MB in the beginning and 79.9MB in the end (delta: 3.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 1041.68ms. Allocated memory was 140.5MB in the beginning and 176.2MB in the end (delta: 35.7MB). Free memory was 79.9MB in the beginning and 143.6MB in the end (delta: -63.7MB). Peak memory consumption was 39.5MB. Max. memory is 16.1GB. * TraceAbstraction took 11220.49ms. Allocated memory was 176.2MB in the beginning and 255.9MB in the end (delta: 79.7MB). Free memory was 142.6MB in the beginning and 172.8MB in the end (delta: -30.2MB). Peak memory consumption was 50.5MB. Max. memory is 16.1GB. * Witness Printer took 5.83ms. Allocated memory is still 255.9MB. Free memory was 172.8MB in the beginning and 171.8MB 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.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryDOUBLEComparisonOperation at line 118, overapproximation of someBinaryArithmeticDOUBLEoperation at line 71. Possible FailurePath: [L39] unsigned char isInitial = 0; [L40-L56] struct WrapperStruct00 WrapperStruct00 = { -4, 32, -1, 1, 0, 0, 1, 0, 25.7, 256.5, 0.0, 31.1, 256.6, 8, 16 }; VAL [WrapperStruct00={4:0}, isInitial=0] [L122] isInitial = 1 [L123] FCALL initially() [L124] COND TRUE 1 [L125] FCALL updateLastVariables() [L126] CALL updateVariables() [L85] WrapperStruct00.var_1_3 = __VERIFIER_nondet_short() [L86] EXPR WrapperStruct00.var_1_3 VAL [WrapperStruct00={4:0}, isInitial=1] [L86] CALL assume_abort_if_not(WrapperStruct00.var_1_3 >= 0) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L86] RET assume_abort_if_not(WrapperStruct00.var_1_3 >= 0) VAL [WrapperStruct00={4:0}, isInitial=1] [L87] EXPR WrapperStruct00.var_1_3 VAL [WrapperStruct00={4:0}, isInitial=1] [L87] CALL assume_abort_if_not(WrapperStruct00.var_1_3 <= 32766) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L87] RET assume_abort_if_not(WrapperStruct00.var_1_3 <= 32766) VAL [WrapperStruct00={4:0}, isInitial=1] [L88] WrapperStruct00.var_1_4 = __VERIFIER_nondet_short() [L89] EXPR WrapperStruct00.var_1_4 VAL [WrapperStruct00={4:0}, isInitial=1] [L89] CALL assume_abort_if_not(WrapperStruct00.var_1_4 >= -16383) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L89] RET assume_abort_if_not(WrapperStruct00.var_1_4 >= -16383) VAL [WrapperStruct00={4:0}, isInitial=1] [L90] EXPR WrapperStruct00.var_1_4 VAL [WrapperStruct00={4:0}, isInitial=1] [L90] CALL assume_abort_if_not(WrapperStruct00.var_1_4 <= 16383) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L90] RET assume_abort_if_not(WrapperStruct00.var_1_4 <= 16383) VAL [WrapperStruct00={4:0}, isInitial=1] [L91] WrapperStruct00.var_1_6 = __VERIFIER_nondet_uchar() [L92] EXPR WrapperStruct00.var_1_6 VAL [WrapperStruct00={4:0}, isInitial=1] [L92] CALL assume_abort_if_not(WrapperStruct00.var_1_6 >= 0) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L92] RET assume_abort_if_not(WrapperStruct00.var_1_6 >= 0) VAL [WrapperStruct00={4:0}, isInitial=1] [L93] EXPR WrapperStruct00.var_1_6 VAL [WrapperStruct00={4:0}, isInitial=1] [L93] CALL assume_abort_if_not(WrapperStruct00.var_1_6 <= 1) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L93] RET assume_abort_if_not(WrapperStruct00.var_1_6 <= 1) VAL [WrapperStruct00={4:0}, isInitial=1] [L94] WrapperStruct00.var_1_7 = __VERIFIER_nondet_uchar() [L95] EXPR WrapperStruct00.var_1_7 VAL [WrapperStruct00={4:0}, isInitial=1] [L95] CALL assume_abort_if_not(WrapperStruct00.var_1_7 >= 1) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L95] RET assume_abort_if_not(WrapperStruct00.var_1_7 >= 1) VAL [WrapperStruct00={4:0}, isInitial=1] [L96] EXPR WrapperStruct00.var_1_7 VAL [WrapperStruct00={4:0}, isInitial=1] [L96] CALL assume_abort_if_not(WrapperStruct00.var_1_7 <= 1) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L96] RET assume_abort_if_not(WrapperStruct00.var_1_7 <= 1) VAL [WrapperStruct00={4:0}, isInitial=1] [L97] WrapperStruct00.var_1_8 = __VERIFIER_nondet_uchar() [L98] EXPR WrapperStruct00.var_1_8 VAL [WrapperStruct00={4:0}, isInitial=1] [L98] CALL assume_abort_if_not(WrapperStruct00.var_1_8 >= 1) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L98] RET assume_abort_if_not(WrapperStruct00.var_1_8 >= 1) VAL [WrapperStruct00={4:0}, isInitial=1] [L99] EXPR WrapperStruct00.var_1_8 VAL [WrapperStruct00={4:0}, isInitial=1] [L99] CALL assume_abort_if_not(WrapperStruct00.var_1_8 <= 1) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L99] RET assume_abort_if_not(WrapperStruct00.var_1_8 <= 1) VAL [WrapperStruct00={4:0}, isInitial=1] [L100] WrapperStruct00.var_1_9 = __VERIFIER_nondet_uchar() [L101] EXPR WrapperStruct00.var_1_9 VAL [WrapperStruct00={4:0}, isInitial=1] [L101] CALL assume_abort_if_not(WrapperStruct00.var_1_9 >= 0) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L101] RET assume_abort_if_not(WrapperStruct00.var_1_9 >= 0) VAL [WrapperStruct00={4:0}, isInitial=1] [L102] EXPR WrapperStruct00.var_1_9 VAL [WrapperStruct00={4:0}, isInitial=1] [L102] CALL assume_abort_if_not(WrapperStruct00.var_1_9 <= 0) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L102] RET assume_abort_if_not(WrapperStruct00.var_1_9 <= 0) VAL [WrapperStruct00={4:0}, isInitial=1] [L103] WrapperStruct00.var_1_11 = __VERIFIER_nondet_double() [L104] EXPR WrapperStruct00.var_1_11 [L104] EXPR WrapperStruct00.var_1_11 >= 0.0F && WrapperStruct00.var_1_11 <= -1.0e-20F [L104] EXPR WrapperStruct00.var_1_11 [L104] EXPR WrapperStruct00.var_1_11 >= 0.0F && WrapperStruct00.var_1_11 <= -1.0e-20F VAL [WrapperStruct00={4:0}, isInitial=1] [L104] EXPR (WrapperStruct00.var_1_11 >= 0.0F && WrapperStruct00.var_1_11 <= -1.0e-20F) || (WrapperStruct00.var_1_11 <= 9223372.036854765600e+12F && WrapperStruct00.var_1_11 >= 1.0e-20F ) VAL [WrapperStruct00={4:0}, isInitial=1] [L104] CALL assume_abort_if_not((WrapperStruct00.var_1_11 >= 0.0F && WrapperStruct00.var_1_11 <= -1.0e-20F) || (WrapperStruct00.var_1_11 <= 9223372.036854765600e+12F && WrapperStruct00.var_1_11 >= 1.0e-20F )) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L104] RET assume_abort_if_not((WrapperStruct00.var_1_11 >= 0.0F && WrapperStruct00.var_1_11 <= -1.0e-20F) || (WrapperStruct00.var_1_11 <= 9223372.036854765600e+12F && WrapperStruct00.var_1_11 >= 1.0e-20F )) VAL [WrapperStruct00={4:0}, isInitial=1] [L105] WrapperStruct00.var_1_12 = __VERIFIER_nondet_double() [L106] EXPR WrapperStruct00.var_1_12 [L106] EXPR WrapperStruct00.var_1_12 >= 4611686.018427382800e+12F && WrapperStruct00.var_1_12 <= -1.0e-20F [L106] EXPR WrapperStruct00.var_1_12 [L106] EXPR WrapperStruct00.var_1_12 >= 4611686.018427382800e+12F && WrapperStruct00.var_1_12 <= -1.0e-20F VAL [WrapperStruct00={4:0}, isInitial=1] [L106] EXPR (WrapperStruct00.var_1_12 >= 4611686.018427382800e+12F && WrapperStruct00.var_1_12 <= -1.0e-20F) || (WrapperStruct00.var_1_12 <= 9223372.036854765600e+12F && WrapperStruct00.var_1_12 >= 1.0e-20F ) VAL [WrapperStruct00={4:0}, isInitial=1] [L106] CALL assume_abort_if_not((WrapperStruct00.var_1_12 >= 4611686.018427382800e+12F && WrapperStruct00.var_1_12 <= -1.0e-20F) || (WrapperStruct00.var_1_12 <= 9223372.036854765600e+12F && WrapperStruct00.var_1_12 >= 1.0e-20F )) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L106] RET assume_abort_if_not((WrapperStruct00.var_1_12 >= 4611686.018427382800e+12F && WrapperStruct00.var_1_12 <= -1.0e-20F) || (WrapperStruct00.var_1_12 <= 9223372.036854765600e+12F && WrapperStruct00.var_1_12 >= 1.0e-20F )) VAL [WrapperStruct00={4:0}, isInitial=1] [L107] WrapperStruct00.var_1_13 = __VERIFIER_nondet_double() [L108] EXPR WrapperStruct00.var_1_13 [L108] EXPR WrapperStruct00.var_1_13 >= 0.0F && WrapperStruct00.var_1_13 <= -1.0e-20F [L108] EXPR WrapperStruct00.var_1_13 [L108] EXPR WrapperStruct00.var_1_13 >= 0.0F && WrapperStruct00.var_1_13 <= -1.0e-20F VAL [WrapperStruct00={4:0}, isInitial=1] [L108] EXPR (WrapperStruct00.var_1_13 >= 0.0F && WrapperStruct00.var_1_13 <= -1.0e-20F) || (WrapperStruct00.var_1_13 <= 4611686.018427382800e+12F && WrapperStruct00.var_1_13 >= 1.0e-20F ) VAL [WrapperStruct00={4:0}, isInitial=1] [L108] CALL assume_abort_if_not((WrapperStruct00.var_1_13 >= 0.0F && WrapperStruct00.var_1_13 <= -1.0e-20F) || (WrapperStruct00.var_1_13 <= 4611686.018427382800e+12F && WrapperStruct00.var_1_13 >= 1.0e-20F )) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L108] RET assume_abort_if_not((WrapperStruct00.var_1_13 >= 0.0F && WrapperStruct00.var_1_13 <= -1.0e-20F) || (WrapperStruct00.var_1_13 <= 4611686.018427382800e+12F && WrapperStruct00.var_1_13 >= 1.0e-20F )) VAL [WrapperStruct00={4:0}, isInitial=1] [L109] WrapperStruct00.var_1_14 = __VERIFIER_nondet_double() [L110] EXPR WrapperStruct00.var_1_14 [L110] EXPR WrapperStruct00.var_1_14 >= 0.0F && WrapperStruct00.var_1_14 <= -1.0e-20F [L110] EXPR WrapperStruct00.var_1_14 [L110] EXPR WrapperStruct00.var_1_14 >= 0.0F && WrapperStruct00.var_1_14 <= -1.0e-20F VAL [WrapperStruct00={4:0}, isInitial=1] [L110] EXPR (WrapperStruct00.var_1_14 >= 0.0F && WrapperStruct00.var_1_14 <= -1.0e-20F) || (WrapperStruct00.var_1_14 <= 9223372.036854765600e+12F && WrapperStruct00.var_1_14 >= 1.0e-20F ) VAL [WrapperStruct00={4:0}, isInitial=1] [L110] CALL assume_abort_if_not((WrapperStruct00.var_1_14 >= 0.0F && WrapperStruct00.var_1_14 <= -1.0e-20F) || (WrapperStruct00.var_1_14 <= 9223372.036854765600e+12F && WrapperStruct00.var_1_14 >= 1.0e-20F )) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L110] RET assume_abort_if_not((WrapperStruct00.var_1_14 >= 0.0F && WrapperStruct00.var_1_14 <= -1.0e-20F) || (WrapperStruct00.var_1_14 <= 9223372.036854765600e+12F && WrapperStruct00.var_1_14 >= 1.0e-20F )) VAL [WrapperStruct00={4:0}, isInitial=1] [L111] WrapperStruct00.var_1_16 = __VERIFIER_nondet_uchar() [L112] EXPR WrapperStruct00.var_1_16 VAL [WrapperStruct00={4:0}, isInitial=1] [L112] CALL assume_abort_if_not(WrapperStruct00.var_1_16 >= 0) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L112] RET assume_abort_if_not(WrapperStruct00.var_1_16 >= 0) VAL [WrapperStruct00={4:0}, isInitial=1] [L113] EXPR WrapperStruct00.var_1_16 VAL [WrapperStruct00={4:0}, isInitial=1] [L113] CALL assume_abort_if_not(WrapperStruct00.var_1_16 <= 30) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L113] RET assume_abort_if_not(WrapperStruct00.var_1_16 <= 30) VAL [WrapperStruct00={4:0}, isInitial=1] [L126] RET updateVariables() [L127] CALL step() [L60] EXPR WrapperStruct00.var_1_3 [L60] signed short int stepLocal_0 = WrapperStruct00.var_1_3; [L61] EXPR WrapperStruct00.var_1_4 VAL [WrapperStruct00={4:0}, isInitial=1, stepLocal_0=13] [L61] COND FALSE !(stepLocal_0 > ((WrapperStruct00.var_1_4 / -256) * 32)) [L68] EXPR WrapperStruct00.var_1_9 [L68] WrapperStruct00.var_1_5 = WrapperStruct00.var_1_9 [L70] WrapperStruct00.var_1_7 VAL [WrapperStruct00={4:0}, isInitial=1] [L70] COND TRUE WrapperStruct00.var_1_7 [L71] EXPR WrapperStruct00.var_1_11 [L71] EXPR WrapperStruct00.var_1_12 [L71] EXPR WrapperStruct00.var_1_13 [L71] EXPR WrapperStruct00.var_1_14 VAL [WrapperStruct00={4:0}, isInitial=1] [L71] EXPR (((WrapperStruct00.var_1_12 - WrapperStruct00.var_1_13)) > (WrapperStruct00.var_1_14)) ? ((WrapperStruct00.var_1_12 - WrapperStruct00.var_1_13)) : (WrapperStruct00.var_1_14) [L71] EXPR WrapperStruct00.var_1_14 [L71] EXPR (((WrapperStruct00.var_1_12 - WrapperStruct00.var_1_13)) > (WrapperStruct00.var_1_14)) ? ((WrapperStruct00.var_1_12 - WrapperStruct00.var_1_13)) : (WrapperStruct00.var_1_14) VAL [WrapperStruct00={4:0}, isInitial=1] [L71] WrapperStruct00.var_1_10 = (WrapperStruct00.var_1_11 - (((((WrapperStruct00.var_1_12 - WrapperStruct00.var_1_13)) > (WrapperStruct00.var_1_14)) ? ((WrapperStruct00.var_1_12 - WrapperStruct00.var_1_13)) : (WrapperStruct00.var_1_14)))) [L73] EXPR WrapperStruct00.var_1_10 VAL [WrapperStruct00={4:0}, isInitial=1] [L73] COND TRUE WrapperStruct00.var_1_10 < 63.75 [L74] EXPR WrapperStruct00.var_1_3 [L74] WrapperStruct00.var_1_1 = (10 - WrapperStruct00.var_1_3) [L78] EXPR WrapperStruct00.var_1_13 [L78] EXPR WrapperStruct00.var_1_12 VAL [WrapperStruct00={4:0}, isInitial=1] [L78] COND FALSE !(! (WrapperStruct00.var_1_13 < (127.125 / WrapperStruct00.var_1_12))) [L127] RET step() [L128] CALL, EXPR property() [L118] EXPR WrapperStruct00.var_1_10 VAL [WrapperStruct00={4:0}, isInitial=1] [L118] EXPR (WrapperStruct00.var_1_10 < 63.75) ? (WrapperStruct00.var_1_1 == ((signed short int) (10 - WrapperStruct00.var_1_3))) : (WrapperStruct00.var_1_1 == ((signed short int) (4 + WrapperStruct00.var_1_4))) [L118] EXPR WrapperStruct00.var_1_1 [L118] EXPR WrapperStruct00.var_1_4 [L118] EXPR (WrapperStruct00.var_1_10 < 63.75) ? (WrapperStruct00.var_1_1 == ((signed short int) (10 - WrapperStruct00.var_1_3))) : (WrapperStruct00.var_1_1 == ((signed short int) (4 + WrapperStruct00.var_1_4))) VAL [WrapperStruct00={4:0}, isInitial=1] [L118] EXPR ((WrapperStruct00.var_1_10 < 63.75) ? (WrapperStruct00.var_1_1 == ((signed short int) (10 - WrapperStruct00.var_1_3))) : (WrapperStruct00.var_1_1 == ((signed short int) (4 + WrapperStruct00.var_1_4)))) && ((WrapperStruct00.var_1_3 > ((WrapperStruct00.var_1_4 / -256) * 32)) ? (WrapperStruct00.var_1_6 ? (WrapperStruct00.var_1_5 == ((unsigned char) (! (WrapperStruct00.var_1_7 && WrapperStruct00.var_1_8)))) : (WrapperStruct00.var_1_5 == ((unsigned char) WrapperStruct00.var_1_8))) : (WrapperStruct00.var_1_5 == ((unsigned char) WrapperStruct00.var_1_9))) VAL [WrapperStruct00={4:0}, isInitial=1] [L118] EXPR (((WrapperStruct00.var_1_10 < 63.75) ? (WrapperStruct00.var_1_1 == ((signed short int) (10 - WrapperStruct00.var_1_3))) : (WrapperStruct00.var_1_1 == ((signed short int) (4 + WrapperStruct00.var_1_4)))) && ((WrapperStruct00.var_1_3 > ((WrapperStruct00.var_1_4 / -256) * 32)) ? (WrapperStruct00.var_1_6 ? (WrapperStruct00.var_1_5 == ((unsigned char) (! (WrapperStruct00.var_1_7 && WrapperStruct00.var_1_8)))) : (WrapperStruct00.var_1_5 == ((unsigned char) WrapperStruct00.var_1_8))) : (WrapperStruct00.var_1_5 == ((unsigned char) WrapperStruct00.var_1_9)))) && (WrapperStruct00.var_1_7 ? (WrapperStruct00.var_1_10 == ((double) (WrapperStruct00.var_1_11 - (((((WrapperStruct00.var_1_12 - WrapperStruct00.var_1_13)) > (WrapperStruct00.var_1_14)) ? ((WrapperStruct00.var_1_12 - WrapperStruct00.var_1_13)) : (WrapperStruct00.var_1_14)))))) : 1) VAL [WrapperStruct00={4:0}, isInitial=1] [L118] EXPR ((((WrapperStruct00.var_1_10 < 63.75) ? (WrapperStruct00.var_1_1 == ((signed short int) (10 - WrapperStruct00.var_1_3))) : (WrapperStruct00.var_1_1 == ((signed short int) (4 + WrapperStruct00.var_1_4)))) && ((WrapperStruct00.var_1_3 > ((WrapperStruct00.var_1_4 / -256) * 32)) ? (WrapperStruct00.var_1_6 ? (WrapperStruct00.var_1_5 == ((unsigned char) (! (WrapperStruct00.var_1_7 && WrapperStruct00.var_1_8)))) : (WrapperStruct00.var_1_5 == ((unsigned char) WrapperStruct00.var_1_8))) : (WrapperStruct00.var_1_5 == ((unsigned char) WrapperStruct00.var_1_9)))) && (WrapperStruct00.var_1_7 ? (WrapperStruct00.var_1_10 == ((double) (WrapperStruct00.var_1_11 - (((((WrapperStruct00.var_1_12 - WrapperStruct00.var_1_13)) > (WrapperStruct00.var_1_14)) ? ((WrapperStruct00.var_1_12 - WrapperStruct00.var_1_13)) : (WrapperStruct00.var_1_14)))))) : 1)) && ((! (WrapperStruct00.var_1_13 < (127.125 / WrapperStruct00.var_1_12))) ? ((WrapperStruct00.var_1_1 <= ((WrapperStruct00.var_1_4 * WrapperStruct00.var_1_3) + (-2 << WrapperStruct00.var_1_16))) ? (WrapperStruct00.var_1_15 == ((unsigned long int) WrapperStruct00.var_1_3)) : 1) : 1) VAL [WrapperStruct00={4:0}, isInitial=1] [L118-L119] return ((((WrapperStruct00.var_1_10 < 63.75) ? (WrapperStruct00.var_1_1 == ((signed short int) (10 - WrapperStruct00.var_1_3))) : (WrapperStruct00.var_1_1 == ((signed short int) (4 + WrapperStruct00.var_1_4)))) && ((WrapperStruct00.var_1_3 > ((WrapperStruct00.var_1_4 / -256) * 32)) ? (WrapperStruct00.var_1_6 ? (WrapperStruct00.var_1_5 == ((unsigned char) (! (WrapperStruct00.var_1_7 && WrapperStruct00.var_1_8)))) : (WrapperStruct00.var_1_5 == ((unsigned char) WrapperStruct00.var_1_8))) : (WrapperStruct00.var_1_5 == ((unsigned char) WrapperStruct00.var_1_9)))) && (WrapperStruct00.var_1_7 ? (WrapperStruct00.var_1_10 == ((double) (WrapperStruct00.var_1_11 - (((((WrapperStruct00.var_1_12 - WrapperStruct00.var_1_13)) > (WrapperStruct00.var_1_14)) ? ((WrapperStruct00.var_1_12 - WrapperStruct00.var_1_13)) : (WrapperStruct00.var_1_14)))))) : 1)) && ((! (WrapperStruct00.var_1_13 < (127.125 / WrapperStruct00.var_1_12))) ? ((WrapperStruct00.var_1_1 <= ((WrapperStruct00.var_1_4 * WrapperStruct00.var_1_3) + (-2 << WrapperStruct00.var_1_16))) ? (WrapperStruct00.var_1_15 == ((unsigned long int) WrapperStruct00.var_1_3)) : 1) : 1) ; [L128] RET, EXPR property() [L128] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [WrapperStruct00={4:0}, isInitial=1] [L19] reach_error() VAL [WrapperStruct00={4:0}, isInitial=1] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 115 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 11.1s, OverallIterations: 5, TraceHistogramMax: 18, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 2.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 443 SdHoareTripleChecker+Valid, 1.9s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 430 mSDsluCounter, 1633 SdHoareTripleChecker+Invalid, 1.7s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1083 mSDsCounter, 44 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1028 IncrementalHoareTripleChecker+Invalid, 1072 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 44 mSolverCounterUnsat, 550 mSDtfsCounter, 1028 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 642 GetRequests, 595 SyntacticMatches, 10 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 130 ImplicationChecksByTransitivity, 0.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=204occurred in iteration=4, InterpolantAutomatonStates: 29, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 4 MinimizatonAttempts, 40 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 6.3s InterpolantComputationTime, 1017 NumberOfCodeBlocks, 1017 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 1008 ConstructedInterpolants, 0 QuantifiedInterpolants, 3907 SizeOfPredicates, 8 NumberOfNonLiveVariables, 998 ConjunctsInSsa, 39 ConjunctsInUnsatCore, 7 InterpolantComputations, 3 PerfectInterpolantSequences, 4152/4284 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 [2024-11-08 16:33:04,069 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5108891d-fa98-4d06-a5d9-3138bec969c0/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5108891d-fa98-4d06-a5d9-3138bec969c0/bin/uautomizer-verify-jihMAELWvX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5108891d-fa98-4d06-a5d9-3138bec969c0/bin/uautomizer-verify-jihMAELWvX/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5108891d-fa98-4d06-a5d9-3138bec969c0/bin/uautomizer-verify-jihMAELWvX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5108891d-fa98-4d06-a5d9-3138bec969c0/bin/uautomizer-verify-jihMAELWvX/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-52.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5108891d-fa98-4d06-a5d9-3138bec969c0/bin/uautomizer-verify-jihMAELWvX/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5108891d-fa98-4d06-a5d9-3138bec969c0/bin/uautomizer-verify-jihMAELWvX --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 4491c2c71bcb09f93dac0c67ab6bd9a5a290ed536e16d5c9a21e40a7cfd02193 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 16:33:06,552 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 16:33:06,643 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5108891d-fa98-4d06-a5d9-3138bec969c0/bin/uautomizer-verify-jihMAELWvX/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2024-11-08 16:33:06,651 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 16:33:06,652 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-08 16:33:06,700 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 16:33:06,701 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-08 16:33:06,701 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-08 16:33:06,702 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-08 16:33:06,702 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-08 16:33:06,703 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 16:33:06,703 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-08 16:33:06,704 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 16:33:06,704 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 16:33:06,705 INFO L153 SettingsManager]: * Use SBE=true [2024-11-08 16:33:06,705 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 16:33:06,706 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 16:33:06,706 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-08 16:33:06,706 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-08 16:33:06,707 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 16:33:06,707 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 16:33:06,708 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 16:33:06,708 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 16:33:06,709 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-08 16:33:06,709 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-08 16:33:06,709 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 16:33:06,710 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-08 16:33:06,713 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-08 16:33:06,713 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 16:33:06,714 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 16:33:06,714 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 16:33:06,714 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-08 16:33:06,715 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-08 16:33:06,715 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-08 16:33:06,715 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-08 16:33:06,716 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 16:33:06,716 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 16:33:06,721 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 16:33:06,721 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2024-11-08 16:33:06,721 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-08 16:33:06,722 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-08 16:33:06,722 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-08 16:33:06,722 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-08 16:33:06,723 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-08 16:33:06,723 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5108891d-fa98-4d06-a5d9-3138bec969c0/bin/uautomizer-verify-jihMAELWvX/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5108891d-fa98-4d06-a5d9-3138bec969c0/bin/uautomizer-verify-jihMAELWvX Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4491c2c71bcb09f93dac0c67ab6bd9a5a290ed536e16d5c9a21e40a7cfd02193 [2024-11-08 16:33:07,122 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 16:33:07,156 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 16:33:07,159 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 16:33:07,161 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 16:33:07,161 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 16:33:07,163 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5108891d-fa98-4d06-a5d9-3138bec969c0/bin/uautomizer-verify-jihMAELWvX/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-52.i Unable to find full path for "g++" [2024-11-08 16:33:09,358 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 16:33:09,673 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 16:33:09,674 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5108891d-fa98-4d06-a5d9-3138bec969c0/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-52.i [2024-11-08 16:33:09,687 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5108891d-fa98-4d06-a5d9-3138bec969c0/bin/uautomizer-verify-jihMAELWvX/data/aeacc95ac/6edfb8e2487841c1a3a4de302836673b/FLAG0ed3b3d95 [2024-11-08 16:33:09,710 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5108891d-fa98-4d06-a5d9-3138bec969c0/bin/uautomizer-verify-jihMAELWvX/data/aeacc95ac/6edfb8e2487841c1a3a4de302836673b [2024-11-08 16:33:09,713 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 16:33:09,716 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 16:33:09,717 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 16:33:09,717 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 16:33:09,724 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 16:33:09,727 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 04:33:09" (1/1) ... [2024-11-08 16:33:09,728 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6b3aecef and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:33:09, skipping insertion in model container [2024-11-08 16:33:09,729 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 04:33:09" (1/1) ... [2024-11-08 16:33:09,771 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 16:33:10,018 WARN L250 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_5108891d-fa98-4d06-a5d9-3138bec969c0/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-52.i[916,929] [2024-11-08 16:33:10,123 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 16:33:10,144 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 16:33:10,160 WARN L250 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_5108891d-fa98-4d06-a5d9-3138bec969c0/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-52.i[916,929] [2024-11-08 16:33:10,244 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 16:33:10,301 INFO L204 MainTranslator]: Completed translation [2024-11-08 16:33:10,302 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:33:10 WrapperNode [2024-11-08 16:33:10,302 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 16:33:10,304 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 16:33:10,304 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 16:33:10,304 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 16:33:10,312 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:33:10" (1/1) ... [2024-11-08 16:33:10,343 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:33:10" (1/1) ... [2024-11-08 16:33:10,402 INFO L138 Inliner]: procedures = 37, calls = 152, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 443 [2024-11-08 16:33:10,402 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 16:33:10,403 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 16:33:10,403 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 16:33:10,403 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 16:33:10,424 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:33:10" (1/1) ... [2024-11-08 16:33:10,425 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:33:10" (1/1) ... [2024-11-08 16:33:10,435 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:33:10" (1/1) ... [2024-11-08 16:33:10,469 INFO L175 MemorySlicer]: Split 123 memory accesses to 2 slices as follows [2, 121]. 98 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2, 0]. The 34 writes are split as follows [0, 34]. [2024-11-08 16:33:10,470 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:33:10" (1/1) ... [2024-11-08 16:33:10,470 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:33:10" (1/1) ... [2024-11-08 16:33:10,515 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:33:10" (1/1) ... [2024-11-08 16:33:10,523 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:33:10" (1/1) ... [2024-11-08 16:33:10,526 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:33:10" (1/1) ... [2024-11-08 16:33:10,536 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:33:10" (1/1) ... [2024-11-08 16:33:10,544 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 16:33:10,550 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 16:33:10,550 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 16:33:10,550 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 16:33:10,551 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:33:10" (1/1) ... [2024-11-08 16:33:10,559 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-08 16:33:10,571 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5108891d-fa98-4d06-a5d9-3138bec969c0/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 16:33:10,591 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5108891d-fa98-4d06-a5d9-3138bec969c0/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-08 16:33:10,598 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5108891d-fa98-4d06-a5d9-3138bec969c0/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-08 16:33:10,629 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 16:33:10,631 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#0 [2024-11-08 16:33:10,631 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#1 [2024-11-08 16:33:10,632 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE8#0 [2024-11-08 16:33:10,632 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE8#1 [2024-11-08 16:33:10,634 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#0 [2024-11-08 16:33:10,634 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#1 [2024-11-08 16:33:10,634 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#0 [2024-11-08 16:33:10,634 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#1 [2024-11-08 16:33:10,634 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-08 16:33:10,634 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#1 [2024-11-08 16:33:10,635 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#0 [2024-11-08 16:33:10,635 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#1 [2024-11-08 16:33:10,635 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#0 [2024-11-08 16:33:10,635 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#1 [2024-11-08 16:33:10,635 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#0 [2024-11-08 16:33:10,635 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#1 [2024-11-08 16:33:10,635 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2#0 [2024-11-08 16:33:10,636 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2#1 [2024-11-08 16:33:10,636 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#0 [2024-11-08 16:33:10,636 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#1 [2024-11-08 16:33:10,636 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-08 16:33:10,636 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-08 16:33:10,638 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 16:33:10,638 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 16:33:10,639 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#0 [2024-11-08 16:33:10,639 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#1 [2024-11-08 16:33:10,639 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#0 [2024-11-08 16:33:10,639 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#1 [2024-11-08 16:33:10,640 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#0 [2024-11-08 16:33:10,640 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#1 [2024-11-08 16:33:10,825 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 16:33:10,827 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 16:33:30,027 INFO L? ?]: Removed 108 outVars from TransFormulas that were not future-live. [2024-11-08 16:33:30,027 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 16:33:30,051 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 16:33:30,054 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-08 16:33:30,054 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 04:33:30 BoogieIcfgContainer [2024-11-08 16:33:30,054 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 16:33:30,057 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-08 16:33:30,058 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-08 16:33:30,061 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-08 16:33:30,062 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.11 04:33:09" (1/3) ... [2024-11-08 16:33:30,063 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@582259f3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 04:33:30, skipping insertion in model container [2024-11-08 16:33:30,063 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:33:10" (2/3) ... [2024-11-08 16:33:30,065 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@582259f3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 04:33:30, skipping insertion in model container [2024-11-08 16:33:30,065 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 04:33:30" (3/3) ... [2024-11-08 16:33:30,066 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_wrapper-s_file-52.i [2024-11-08 16:33:30,110 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-08 16:33:30,111 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-08 16:33:30,198 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-08 16:33:30,207 INFO L333 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, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@634fc85d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-08 16:33:30,207 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-08 16:33:30,213 INFO L276 IsEmpty]: Start isEmpty. Operand has 111 states, 90 states have (on average 1.4) internal successors, (126), 91 states have internal predecessors, (126), 18 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2024-11-08 16:33:30,234 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2024-11-08 16:33:30,234 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 16:33:30,235 INFO L215 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 16:33:30,236 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 16:33:30,242 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:33:30,242 INFO L85 PathProgramCache]: Analyzing trace with hash 935419090, now seen corresponding path program 1 times [2024-11-08 16:33:30,259 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-08 16:33:30,259 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1715300744] [2024-11-08 16:33:30,260 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:33:30,260 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 [2024-11-08 16:33:30,260 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5108891d-fa98-4d06-a5d9-3138bec969c0/bin/uautomizer-verify-jihMAELWvX/mathsat [2024-11-08 16:33:30,278 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5108891d-fa98-4d06-a5d9-3138bec969c0/bin/uautomizer-verify-jihMAELWvX/mathsat -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) [2024-11-08 16:33:30,279 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5108891d-fa98-4d06-a5d9-3138bec969c0/bin/uautomizer-verify-jihMAELWvX/mathsat -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 [2024-11-08 16:33:31,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:33:31,669 INFO L255 TraceCheckSpWp]: Trace formula consists of 301 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-08 16:33:31,694 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 16:33:31,734 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 322 proven. 0 refuted. 0 times theorem prover too weak. 290 trivial. 0 not checked. [2024-11-08 16:33:31,734 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-08 16:33:31,735 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-08 16:33:31,736 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1715300744] [2024-11-08 16:33:31,736 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1715300744] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 16:33:31,737 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 16:33:31,737 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-08 16:33:31,739 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [285413676] [2024-11-08 16:33:31,740 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 16:33:31,747 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-08 16:33:31,748 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-08 16:33:31,777 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-08 16:33:31,778 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-08 16:33:31,780 INFO L87 Difference]: Start difference. First operand has 111 states, 90 states have (on average 1.4) internal successors, (126), 91 states have internal predecessors, (126), 18 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) Second operand has 2 states, 2 states have (on average 31.0) internal successors, (62), 2 states have internal predecessors, (62), 2 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2024-11-08 16:33:31,827 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 16:33:31,830 INFO L93 Difference]: Finished difference Result 215 states and 336 transitions. [2024-11-08 16:33:31,831 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-08 16:33:31,833 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 31.0) internal successors, (62), 2 states have internal predecessors, (62), 2 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Word has length 145 [2024-11-08 16:33:31,833 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 16:33:31,844 INFO L225 Difference]: With dead ends: 215 [2024-11-08 16:33:31,844 INFO L226 Difference]: Without dead ends: 107 [2024-11-08 16:33:31,850 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 144 GetRequests, 144 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-08 16:33:31,853 INFO L432 NwaCegarLoop]: 155 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 155 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-08 16:33:31,854 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 155 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-08 16:33:31,869 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 107 states. [2024-11-08 16:33:31,892 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 107 to 107. [2024-11-08 16:33:31,894 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 107 states, 87 states have (on average 1.367816091954023) internal successors, (119), 87 states have internal predecessors, (119), 18 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2024-11-08 16:33:31,895 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 107 states and 155 transitions. [2024-11-08 16:33:31,897 INFO L78 Accepts]: Start accepts. Automaton has 107 states and 155 transitions. Word has length 145 [2024-11-08 16:33:31,898 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 16:33:31,898 INFO L471 AbstractCegarLoop]: Abstraction has 107 states and 155 transitions. [2024-11-08 16:33:31,898 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 31.0) internal successors, (62), 2 states have internal predecessors, (62), 2 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2024-11-08 16:33:31,899 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 155 transitions. [2024-11-08 16:33:31,902 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2024-11-08 16:33:31,902 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 16:33:31,902 INFO L215 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 16:33:31,919 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5108891d-fa98-4d06-a5d9-3138bec969c0/bin/uautomizer-verify-jihMAELWvX/mathsat -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 [2024-11-08 16:33:32,107 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5108891d-fa98-4d06-a5d9-3138bec969c0/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-08 16:33:32,107 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 16:33:32,108 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:33:32,108 INFO L85 PathProgramCache]: Analyzing trace with hash 726537526, now seen corresponding path program 1 times [2024-11-08 16:33:32,109 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-08 16:33:32,109 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [26943061] [2024-11-08 16:33:32,109 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:33:32,110 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 [2024-11-08 16:33:32,110 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5108891d-fa98-4d06-a5d9-3138bec969c0/bin/uautomizer-verify-jihMAELWvX/mathsat [2024-11-08 16:33:32,113 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5108891d-fa98-4d06-a5d9-3138bec969c0/bin/uautomizer-verify-jihMAELWvX/mathsat -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) [2024-11-08 16:33:32,114 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5108891d-fa98-4d06-a5d9-3138bec969c0/bin/uautomizer-verify-jihMAELWvX/mathsat -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 [2024-11-08 16:33:33,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:33:33,318 INFO L255 TraceCheckSpWp]: Trace formula consists of 301 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-08 16:33:33,324 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 16:33:34,892 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-08 16:33:34,893 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 173 treesize of output 65 [2024-11-08 16:33:35,093 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 288 proven. 0 refuted. 0 times theorem prover too weak. 324 trivial. 0 not checked. [2024-11-08 16:33:35,093 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-08 16:33:35,094 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-08 16:33:35,094 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [26943061] [2024-11-08 16:33:35,094 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [26943061] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 16:33:35,094 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 16:33:35,095 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-08 16:33:35,095 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [658820384] [2024-11-08 16:33:35,095 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 16:33:35,097 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-08 16:33:35,097 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-08 16:33:35,098 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-08 16:33:35,098 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-08 16:33:35,098 INFO L87 Difference]: Start difference. First operand 107 states and 155 transitions. Second operand has 6 states, 6 states have (on average 10.166666666666666) internal successors, (61), 5 states have internal predecessors, (61), 2 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2024-11-08 16:33:43,126 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.07s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-08 16:33:47,124 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.82s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-08 16:33:52,982 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.15s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-08 16:33:55,131 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.15s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-08 16:33:59,474 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.21s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-08 16:34:03,190 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.72s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-08 16:34:03,399 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 16:34:03,400 INFO L93 Difference]: Finished difference Result 212 states and 308 transitions. [2024-11-08 16:34:03,403 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-08 16:34:03,403 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 10.166666666666666) internal successors, (61), 5 states have internal predecessors, (61), 2 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Word has length 145 [2024-11-08 16:34:03,404 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 16:34:03,405 INFO L225 Difference]: With dead ends: 212 [2024-11-08 16:34:03,405 INFO L226 Difference]: Without dead ends: 108 [2024-11-08 16:34:03,406 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 147 GetRequests, 140 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2024-11-08 16:34:03,408 INFO L432 NwaCegarLoop]: 122 mSDtfsCounter, 111 mSDsluCounter, 287 mSDsCounter, 0 mSdLazyCounter, 203 mSolverCounterSat, 1 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 27.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 111 SdHoareTripleChecker+Valid, 409 SdHoareTripleChecker+Invalid, 206 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 203 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 28.1s IncrementalHoareTripleChecker+Time [2024-11-08 16:34:03,409 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [111 Valid, 409 Invalid, 206 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 203 Invalid, 2 Unknown, 0 Unchecked, 28.1s Time] [2024-11-08 16:34:03,410 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 108 states. [2024-11-08 16:34:03,419 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 108 to 107. [2024-11-08 16:34:03,424 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 107 states, 87 states have (on average 1.3563218390804597) internal successors, (118), 87 states have internal predecessors, (118), 18 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2024-11-08 16:34:03,425 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 107 states and 154 transitions. [2024-11-08 16:34:03,430 INFO L78 Accepts]: Start accepts. Automaton has 107 states and 154 transitions. Word has length 145 [2024-11-08 16:34:03,431 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 16:34:03,431 INFO L471 AbstractCegarLoop]: Abstraction has 107 states and 154 transitions. [2024-11-08 16:34:03,432 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.166666666666666) internal successors, (61), 5 states have internal predecessors, (61), 2 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2024-11-08 16:34:03,432 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 154 transitions. [2024-11-08 16:34:03,434 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2024-11-08 16:34:03,437 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 16:34:03,437 INFO L215 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 16:34:03,455 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5108891d-fa98-4d06-a5d9-3138bec969c0/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2024-11-08 16:34:03,638 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5108891d-fa98-4d06-a5d9-3138bec969c0/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-08 16:34:03,638 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 16:34:03,639 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:34:03,639 INFO L85 PathProgramCache]: Analyzing trace with hash -1324429552, now seen corresponding path program 1 times [2024-11-08 16:34:03,640 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-08 16:34:03,640 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1847432881] [2024-11-08 16:34:03,640 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:34:03,641 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 [2024-11-08 16:34:03,641 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5108891d-fa98-4d06-a5d9-3138bec969c0/bin/uautomizer-verify-jihMAELWvX/mathsat [2024-11-08 16:34:03,642 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5108891d-fa98-4d06-a5d9-3138bec969c0/bin/uautomizer-verify-jihMAELWvX/mathsat -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) [2024-11-08 16:34:03,643 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5108891d-fa98-4d06-a5d9-3138bec969c0/bin/uautomizer-verify-jihMAELWvX/mathsat -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 [2024-11-08 16:34:04,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:34:04,652 INFO L255 TraceCheckSpWp]: Trace formula consists of 307 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-08 16:34:04,663 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 16:34:06,360 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-08 16:34:06,361 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 175 treesize of output 67 [2024-11-08 16:34:06,525 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 260 proven. 0 refuted. 0 times theorem prover too weak. 352 trivial. 0 not checked. [2024-11-08 16:34:06,525 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-08 16:34:06,525 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-08 16:34:06,526 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1847432881] [2024-11-08 16:34:06,526 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1847432881] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 16:34:06,526 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 16:34:06,526 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-08 16:34:06,527 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [453902359] [2024-11-08 16:34:06,527 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 16:34:06,528 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-08 16:34:06,528 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-08 16:34:06,529 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-08 16:34:06,529 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-08 16:34:06,529 INFO L87 Difference]: Start difference. First operand 107 states and 154 transitions. Second operand has 6 states, 6 states have (on average 10.5) internal successors, (63), 5 states have internal predecessors, (63), 2 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2024-11-08 16:34:09,558 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.03s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-08 16:34:15,871 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.85s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-08 16:34:20,256 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.20s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-08 16:34:21,586 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.33s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-08 16:34:25,039 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.97s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-08 16:34:26,674 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.43s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-08 16:34:26,949 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 16:34:26,949 INFO L93 Difference]: Finished difference Result 212 states and 306 transitions. [2024-11-08 16:34:26,952 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-08 16:34:26,952 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 10.5) internal successors, (63), 5 states have internal predecessors, (63), 2 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Word has length 147 [2024-11-08 16:34:26,953 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 16:34:26,954 INFO L225 Difference]: With dead ends: 212 [2024-11-08 16:34:26,954 INFO L226 Difference]: Without dead ends: 108 [2024-11-08 16:34:26,955 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 149 GetRequests, 142 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2024-11-08 16:34:26,956 INFO L432 NwaCegarLoop]: 121 mSDtfsCounter, 102 mSDsluCounter, 284 mSDsCounter, 0 mSdLazyCounter, 204 mSolverCounterSat, 1 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 19.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 102 SdHoareTripleChecker+Valid, 405 SdHoareTripleChecker+Invalid, 206 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 204 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 20.2s IncrementalHoareTripleChecker+Time [2024-11-08 16:34:26,958 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [102 Valid, 405 Invalid, 206 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 204 Invalid, 1 Unknown, 0 Unchecked, 20.2s Time] [2024-11-08 16:34:26,959 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 108 states. [2024-11-08 16:34:26,974 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 108 to 107. [2024-11-08 16:34:26,975 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 107 states, 87 states have (on average 1.3448275862068966) internal successors, (117), 87 states have internal predecessors, (117), 18 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2024-11-08 16:34:26,976 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 107 states and 153 transitions. [2024-11-08 16:34:26,976 INFO L78 Accepts]: Start accepts. Automaton has 107 states and 153 transitions. Word has length 147 [2024-11-08 16:34:26,977 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 16:34:26,977 INFO L471 AbstractCegarLoop]: Abstraction has 107 states and 153 transitions. [2024-11-08 16:34:26,977 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.5) internal successors, (63), 5 states have internal predecessors, (63), 2 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2024-11-08 16:34:26,978 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 153 transitions. [2024-11-08 16:34:26,980 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2024-11-08 16:34:26,980 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 16:34:26,980 INFO L215 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 16:34:27,002 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5108891d-fa98-4d06-a5d9-3138bec969c0/bin/uautomizer-verify-jihMAELWvX/mathsat -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 [2024-11-08 16:34:27,184 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5108891d-fa98-4d06-a5d9-3138bec969c0/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-08 16:34:27,185 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 16:34:27,185 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:34:27,186 INFO L85 PathProgramCache]: Analyzing trace with hash -130096778, now seen corresponding path program 1 times [2024-11-08 16:34:27,186 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-08 16:34:27,186 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [876667007] [2024-11-08 16:34:27,187 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:34:27,187 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 [2024-11-08 16:34:27,187 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5108891d-fa98-4d06-a5d9-3138bec969c0/bin/uautomizer-verify-jihMAELWvX/mathsat [2024-11-08 16:34:27,190 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5108891d-fa98-4d06-a5d9-3138bec969c0/bin/uautomizer-verify-jihMAELWvX/mathsat -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) [2024-11-08 16:34:27,191 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5108891d-fa98-4d06-a5d9-3138bec969c0/bin/uautomizer-verify-jihMAELWvX/mathsat -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 [2024-11-08 16:34:28,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:34:28,180 INFO L255 TraceCheckSpWp]: Trace formula consists of 313 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-08 16:34:28,183 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 16:34:29,784 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-08 16:34:29,784 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 173 treesize of output 65 [2024-11-08 16:34:29,976 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 224 proven. 0 refuted. 0 times theorem prover too weak. 388 trivial. 0 not checked. [2024-11-08 16:34:29,976 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-08 16:34:29,976 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-08 16:34:29,976 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [876667007] [2024-11-08 16:34:29,977 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [876667007] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 16:34:29,977 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 16:34:29,977 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-08 16:34:29,977 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [870411952] [2024-11-08 16:34:29,977 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 16:34:29,978 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-08 16:34:29,978 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-08 16:34:29,979 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-08 16:34:29,979 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-08 16:34:29,979 INFO L87 Difference]: Start difference. First operand 107 states and 153 transitions. Second operand has 6 states, 6 states have (on average 10.833333333333334) internal successors, (65), 5 states have internal predecessors, (65), 2 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2024-11-08 16:34:32,995 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.03s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-08 16:34:35,279 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.47s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-08 16:34:39,761 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.26s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-08 16:34:44,052 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.62s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-08 16:34:46,528 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.27s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-08 16:34:46,804 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 16:34:46,804 INFO L93 Difference]: Finished difference Result 212 states and 304 transitions. [2024-11-08 16:34:46,806 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-08 16:34:46,806 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 10.833333333333334) internal successors, (65), 5 states have internal predecessors, (65), 2 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Word has length 149 [2024-11-08 16:34:46,806 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 16:34:46,807 INFO L225 Difference]: With dead ends: 212 [2024-11-08 16:34:46,808 INFO L226 Difference]: Without dead ends: 108 [2024-11-08 16:34:46,808 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 151 GetRequests, 144 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2024-11-08 16:34:46,809 INFO L432 NwaCegarLoop]: 120 mSDtfsCounter, 93 mSDsluCounter, 281 mSDsCounter, 0 mSdLazyCounter, 204 mSolverCounterSat, 1 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 16.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 93 SdHoareTripleChecker+Valid, 401 SdHoareTripleChecker+Invalid, 206 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 204 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 16.6s IncrementalHoareTripleChecker+Time [2024-11-08 16:34:46,810 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [93 Valid, 401 Invalid, 206 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 204 Invalid, 1 Unknown, 0 Unchecked, 16.6s Time] [2024-11-08 16:34:46,811 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 108 states. [2024-11-08 16:34:46,817 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 108 to 107. [2024-11-08 16:34:46,818 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 107 states, 87 states have (on average 1.3333333333333333) internal successors, (116), 87 states have internal predecessors, (116), 18 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2024-11-08 16:34:46,819 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 107 states and 152 transitions. [2024-11-08 16:34:46,819 INFO L78 Accepts]: Start accepts. Automaton has 107 states and 152 transitions. Word has length 149 [2024-11-08 16:34:46,820 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 16:34:46,820 INFO L471 AbstractCegarLoop]: Abstraction has 107 states and 152 transitions. [2024-11-08 16:34:46,821 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.833333333333334) internal successors, (65), 5 states have internal predecessors, (65), 2 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2024-11-08 16:34:46,821 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 152 transitions. [2024-11-08 16:34:46,823 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2024-11-08 16:34:46,823 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 16:34:46,823 INFO L215 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 16:34:46,845 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5108891d-fa98-4d06-a5d9-3138bec969c0/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Ended with exit code 0 [2024-11-08 16:34:47,024 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5108891d-fa98-4d06-a5d9-3138bec969c0/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-08 16:34:47,024 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 16:34:47,025 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:34:47,025 INFO L85 PathProgramCache]: Analyzing trace with hash 54149456, now seen corresponding path program 1 times [2024-11-08 16:34:47,025 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-08 16:34:47,025 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [374354186] [2024-11-08 16:34:47,026 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:34:47,026 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 [2024-11-08 16:34:47,026 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5108891d-fa98-4d06-a5d9-3138bec969c0/bin/uautomizer-verify-jihMAELWvX/mathsat [2024-11-08 16:34:47,027 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5108891d-fa98-4d06-a5d9-3138bec969c0/bin/uautomizer-verify-jihMAELWvX/mathsat -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) [2024-11-08 16:34:47,028 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5108891d-fa98-4d06-a5d9-3138bec969c0/bin/uautomizer-verify-jihMAELWvX/mathsat -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 [2024-11-08 16:34:47,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:34:48,000 INFO L255 TraceCheckSpWp]: Trace formula consists of 319 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-08 16:34:48,005 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 16:34:49,608 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-08 16:34:49,609 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 173 treesize of output 65 [2024-11-08 16:34:49,746 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 180 proven. 0 refuted. 0 times theorem prover too weak. 432 trivial. 0 not checked. [2024-11-08 16:34:49,746 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-08 16:34:49,746 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-08 16:34:49,747 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [374354186] [2024-11-08 16:34:49,747 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [374354186] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 16:34:49,747 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 16:34:49,747 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-08 16:34:49,747 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1118234223] [2024-11-08 16:34:49,748 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 16:34:49,748 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-08 16:34:49,749 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-08 16:34:49,750 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-08 16:34:49,750 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-08 16:34:49,750 INFO L87 Difference]: Start difference. First operand 107 states and 152 transitions. Second operand has 6 states, 6 states have (on average 11.166666666666666) internal successors, (67), 5 states have internal predecessors, (67), 2 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2024-11-08 16:34:50,950 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.20s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-08 16:34:56,113 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.60s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-08 16:35:02,918 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.16s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-08 16:35:04,893 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.97s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-08 16:35:07,011 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.93s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-08 16:35:07,297 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 16:35:07,297 INFO L93 Difference]: Finished difference Result 212 states and 302 transitions. [2024-11-08 16:35:07,300 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-08 16:35:07,300 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 11.166666666666666) internal successors, (67), 5 states have internal predecessors, (67), 2 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Word has length 151 [2024-11-08 16:35:07,301 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 16:35:07,302 INFO L225 Difference]: With dead ends: 212 [2024-11-08 16:35:07,302 INFO L226 Difference]: Without dead ends: 108 [2024-11-08 16:35:07,303 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 153 GetRequests, 146 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2024-11-08 16:35:07,304 INFO L432 NwaCegarLoop]: 119 mSDtfsCounter, 83 mSDsluCounter, 276 mSDsCounter, 0 mSdLazyCounter, 206 mSolverCounterSat, 1 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 16.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 83 SdHoareTripleChecker+Valid, 395 SdHoareTripleChecker+Invalid, 208 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 206 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 17.4s IncrementalHoareTripleChecker+Time [2024-11-08 16:35:07,304 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [83 Valid, 395 Invalid, 208 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 206 Invalid, 1 Unknown, 0 Unchecked, 17.4s Time] [2024-11-08 16:35:07,305 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 108 states. [2024-11-08 16:35:07,312 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 108 to 107. [2024-11-08 16:35:07,313 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 107 states, 87 states have (on average 1.3218390804597702) internal successors, (115), 87 states have internal predecessors, (115), 18 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2024-11-08 16:35:07,314 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 107 states and 151 transitions. [2024-11-08 16:35:07,314 INFO L78 Accepts]: Start accepts. Automaton has 107 states and 151 transitions. Word has length 151 [2024-11-08 16:35:07,315 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 16:35:07,315 INFO L471 AbstractCegarLoop]: Abstraction has 107 states and 151 transitions. [2024-11-08 16:35:07,315 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 11.166666666666666) internal successors, (67), 5 states have internal predecessors, (67), 2 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2024-11-08 16:35:07,316 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 151 transitions. [2024-11-08 16:35:07,318 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2024-11-08 16:35:07,318 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 16:35:07,318 INFO L215 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 16:35:07,341 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5108891d-fa98-4d06-a5d9-3138bec969c0/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Ended with exit code 0 [2024-11-08 16:35:07,519 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5108891d-fa98-4d06-a5d9-3138bec969c0/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-08 16:35:07,520 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 16:35:07,520 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:35:07,520 INFO L85 PathProgramCache]: Analyzing trace with hash -735756428, now seen corresponding path program 1 times [2024-11-08 16:35:07,521 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-08 16:35:07,521 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1056675846] [2024-11-08 16:35:07,521 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:35:07,521 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 [2024-11-08 16:35:07,521 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5108891d-fa98-4d06-a5d9-3138bec969c0/bin/uautomizer-verify-jihMAELWvX/mathsat [2024-11-08 16:35:07,523 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5108891d-fa98-4d06-a5d9-3138bec969c0/bin/uautomizer-verify-jihMAELWvX/mathsat -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) [2024-11-08 16:35:07,524 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5108891d-fa98-4d06-a5d9-3138bec969c0/bin/uautomizer-verify-jihMAELWvX/mathsat -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 [2024-11-08 16:35:08,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:35:08,546 INFO L255 TraceCheckSpWp]: Trace formula consists of 323 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-08 16:35:08,549 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 16:35:08,821 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 173 proven. 0 refuted. 0 times theorem prover too weak. 439 trivial. 0 not checked. [2024-11-08 16:35:08,821 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-08 16:35:08,821 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-08 16:35:08,822 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1056675846] [2024-11-08 16:35:08,822 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1056675846] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 16:35:08,822 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 16:35:08,822 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-08 16:35:08,822 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [177315455] [2024-11-08 16:35:08,822 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 16:35:08,823 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-08 16:35:08,824 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-08 16:35:08,825 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-08 16:35:08,825 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-08 16:35:08,825 INFO L87 Difference]: Start difference. First operand 107 states and 151 transitions. Second operand has 6 states, 5 states have (on average 14.4) internal successors, (72), 6 states have internal predecessors, (72), 3 states have call successors, (18), 2 states have call predecessors, (18), 3 states have return successors, (18), 2 states have call predecessors, (18), 3 states have call successors, (18) [2024-11-08 16:35:10,027 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 16:35:10,027 INFO L93 Difference]: Finished difference Result 215 states and 304 transitions. [2024-11-08 16:35:10,028 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-08 16:35:10,028 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 14.4) internal successors, (72), 6 states have internal predecessors, (72), 3 states have call successors, (18), 2 states have call predecessors, (18), 3 states have return successors, (18), 2 states have call predecessors, (18), 3 states have call successors, (18) Word has length 153 [2024-11-08 16:35:10,029 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 16:35:10,030 INFO L225 Difference]: With dead ends: 215 [2024-11-08 16:35:10,030 INFO L226 Difference]: Without dead ends: 109 [2024-11-08 16:35:10,031 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 153 GetRequests, 148 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2024-11-08 16:35:10,032 INFO L432 NwaCegarLoop]: 131 mSDtfsCounter, 1 mSDsluCounter, 474 mSDsCounter, 0 mSdLazyCounter, 150 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 605 SdHoareTripleChecker+Invalid, 153 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 150 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-11-08 16:35:10,032 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 605 Invalid, 153 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 150 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-11-08 16:35:10,035 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 109 states. [2024-11-08 16:35:10,052 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 109 to 107. [2024-11-08 16:35:10,056 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 107 states, 87 states have (on average 1.3103448275862069) internal successors, (114), 87 states have internal predecessors, (114), 18 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2024-11-08 16:35:10,057 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 107 states and 150 transitions. [2024-11-08 16:35:10,057 INFO L78 Accepts]: Start accepts. Automaton has 107 states and 150 transitions. Word has length 153 [2024-11-08 16:35:10,058 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 16:35:10,058 INFO L471 AbstractCegarLoop]: Abstraction has 107 states and 150 transitions. [2024-11-08 16:35:10,058 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 14.4) internal successors, (72), 6 states have internal predecessors, (72), 3 states have call successors, (18), 2 states have call predecessors, (18), 3 states have return successors, (18), 2 states have call predecessors, (18), 3 states have call successors, (18) [2024-11-08 16:35:10,062 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 150 transitions. [2024-11-08 16:35:10,065 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2024-11-08 16:35:10,065 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 16:35:10,065 INFO L215 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 16:35:10,091 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5108891d-fa98-4d06-a5d9-3138bec969c0/bin/uautomizer-verify-jihMAELWvX/mathsat -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 [2024-11-08 16:35:10,265 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5108891d-fa98-4d06-a5d9-3138bec969c0/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-08 16:35:10,266 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 16:35:10,266 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:35:10,266 INFO L85 PathProgramCache]: Analyzing trace with hash 636050870, now seen corresponding path program 1 times [2024-11-08 16:35:10,267 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-08 16:35:10,267 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1429721524] [2024-11-08 16:35:10,267 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:35:10,267 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 [2024-11-08 16:35:10,268 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5108891d-fa98-4d06-a5d9-3138bec969c0/bin/uautomizer-verify-jihMAELWvX/mathsat [2024-11-08 16:35:10,271 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5108891d-fa98-4d06-a5d9-3138bec969c0/bin/uautomizer-verify-jihMAELWvX/mathsat -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) [2024-11-08 16:35:10,272 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5108891d-fa98-4d06-a5d9-3138bec969c0/bin/uautomizer-verify-jihMAELWvX/mathsat -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 [2024-11-08 16:35:11,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:35:11,576 INFO L255 TraceCheckSpWp]: Trace formula consists of 325 conjuncts, 28 conjuncts are in the unsatisfiable core [2024-11-08 16:35:11,584 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 16:35:11,626 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 [2024-11-08 16:35:13,204 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 24 [2024-11-08 16:35:13,987 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 [2024-11-08 16:35:15,177 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-08 16:35:15,178 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 46 treesize of output 37 [2024-11-08 16:35:20,590 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-08 16:35:20,590 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 51 treesize of output 60 [2024-11-08 16:35:30,680 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-08 16:35:30,680 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 71 treesize of output 86 [2024-11-08 16:35:45,156 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-08 16:35:45,157 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 91 treesize of output 112 [2024-11-08 16:36:04,261 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-08 16:36:04,261 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 0 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 36 case distinctions, treesize of input 110 treesize of output 118 [2024-11-08 16:36:06,742 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-08 16:36:06,742 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 0 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 36 case distinctions, treesize of input 112 treesize of output 129 [2024-11-08 16:36:07,755 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-08 16:36:07,755 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 10 select indices, 10 select index equivalence classes, 0 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 45 case distinctions, treesize of input 113 treesize of output 47 [2024-11-08 16:36:08,015 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 472 proven. 60 refuted. 0 times theorem prover too weak. 80 trivial. 0 not checked. [2024-11-08 16:36:08,015 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-08 16:36:10,624 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 36 proven. 60 refuted. 0 times theorem prover too weak. 516 trivial. 0 not checked. [2024-11-08 16:36:10,624 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-08 16:36:10,625 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1429721524] [2024-11-08 16:36:10,625 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1429721524] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-08 16:36:10,625 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-08 16:36:10,625 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 8] total 24 [2024-11-08 16:36:10,625 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [130590364] [2024-11-08 16:36:10,625 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-08 16:36:10,626 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2024-11-08 16:36:10,626 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-08 16:36:10,627 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2024-11-08 16:36:10,627 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=157, Invalid=385, Unknown=10, NotChecked=0, Total=552 [2024-11-08 16:36:10,627 INFO L87 Difference]: Start difference. First operand 107 states and 150 transitions. Second operand has 24 states, 20 states have (on average 6.5) internal successors, (130), 22 states have internal predecessors, (130), 12 states have call successors, (30), 9 states have call predecessors, (30), 10 states have return successors, (30), 9 states have call predecessors, (30), 12 states have call successors, (30) [2024-11-08 16:36:11,752 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.12s for a HTC check with result VALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-08 16:36:13,086 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.33s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-08 16:36:14,460 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.37s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-08 16:36:17,456 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.83s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-08 16:36:26,218 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-08 16:36:30,224 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-08 16:36:34,232 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-08 16:36:38,278 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-08 16:36:42,309 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-08 16:36:46,314 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-08 16:36:50,320 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-08 16:36:54,365 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-08 16:37:14,612 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-08 16:37:18,616 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-08 16:37:22,629 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-08 16:37:26,657 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-08 16:37:46,998 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-08 16:37:51,001 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-08 16:37:55,007 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-08 16:37:59,061 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-08 16:38:03,087 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-08 16:38:07,098 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-08 16:38:11,101 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-08 16:38:15,105 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-08 16:38:19,135 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-08 16:38:23,140 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-08 16:38:27,147 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-08 16:38:31,279 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-08 16:38:35,337 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-08 16:38:39,339 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-08 16:38:43,347 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-08 16:38:47,396 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-08 16:38:51,428 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-08 16:38:55,433 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-08 16:38:59,441 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-08 16:39:03,484 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-08 16:39:07,504 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-08 16:39:11,510 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-08 16:39:15,517 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-08 16:39:19,531 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-08 16:39:39,777 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-08 16:39:43,786 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-08 16:39:47,789 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-08 16:39:51,794 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-08 16:39:55,827 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-08 16:39:59,832 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-08 16:40:03,836 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-08 16:40:07,919 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-08 16:40:11,974 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-08 16:40:15,978 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-08 16:40:20,028 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-08 16:40:24,078 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-08 16:40:28,081 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-08 16:40:32,121 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-08 16:40:36,144 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-08 16:40:40,147 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-08 16:40:44,152 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-08 16:40:48,157 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-08 16:40:52,162 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-08 16:40:56,170 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-08 16:41:00,218 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-08 16:41:04,226 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-08 16:41:08,344 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-08 16:41:12,399 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-08 16:41:16,402 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-08 16:41:20,452 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-08 16:41:24,474 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-08 16:41:28,481 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-08 16:41:32,487 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-08 16:41:36,493 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-08 16:41:40,498 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-08 16:41:44,502 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-08 16:41:48,525 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-08 16:41:52,531 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-08 16:41:56,585 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-08 16:42:00,605 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-08 16:42:04,617 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-08 16:42:08,628 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-08 16:42:32,914 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-08 16:42:36,920 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-08 16:42:41,028 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-08 16:43:05,376 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-08 16:43:09,379 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-08 16:43:13,384 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-08 16:43:17,419 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-08 16:43:21,427 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-08 16:43:25,506 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-08 16:43:29,572 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-08 16:43:33,678 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-08 16:43:37,734 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-08 16:43:41,776 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-08 16:43:45,801 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-08 16:43:49,807 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-08 16:43:53,815 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-08 16:43:57,819 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-08 16:44:01,872 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-08 16:44:05,959 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-08 16:44:10,012 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-08 16:44:14,061 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-08 16:44:18,084 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-08 16:44:22,089 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-08 16:44:26,095 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-08 16:44:30,099 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-08 16:44:34,113 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-08 16:44:38,174 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-08 16:44:42,193 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-08 16:44:46,205 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-08 16:45:10,560 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-08 16:45:14,597 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-08 16:45:39,039 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-08 16:45:43,046 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-08 16:45:47,079 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-08 16:45:51,127 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-08 16:45:55,244 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-08 16:45:59,338 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-08 16:46:03,364 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-08 16:46:07,372 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-08 16:46:11,470 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-08 16:46:15,601 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-08 16:46:19,629 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-08 16:46:23,638 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-08 16:46:27,690 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-08 16:46:31,715 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-08 16:46:56,193 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-08 16:47:20,620 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-08 16:47:24,723 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0]