./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-74.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_3bd96e35-58ef-4730-abdb-6e171a48443a/bin/uautomizer-verify-jihMAELWvX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bd96e35-58ef-4730-abdb-6e171a48443a/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_3bd96e35-58ef-4730-abdb-6e171a48443a/bin/uautomizer-verify-jihMAELWvX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bd96e35-58ef-4730-abdb-6e171a48443a/bin/uautomizer-verify-jihMAELWvX/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-74.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bd96e35-58ef-4730-abdb-6e171a48443a/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_3bd96e35-58ef-4730-abdb-6e171a48443a/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 e8eac1f6ce4b453c986bcf223e7a999b8cc2242bbb25b7afe262387bc06640cd --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 18:45:58,320 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 18:45:58,425 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bd96e35-58ef-4730-abdb-6e171a48443a/bin/uautomizer-verify-jihMAELWvX/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-08 18:45:58,434 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 18:45:58,436 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-08 18:45:58,471 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 18:45:58,472 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-08 18:45:58,473 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-08 18:45:58,474 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-08 18:45:58,475 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-08 18:45:58,475 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 18:45:58,476 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-08 18:45:58,477 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 18:45:58,478 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 18:45:58,478 INFO L153 SettingsManager]: * Use SBE=true [2024-11-08 18:45:58,479 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 18:45:58,480 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 18:45:58,480 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-08 18:45:58,481 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-08 18:45:58,481 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-08 18:45:58,482 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 18:45:58,483 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 18:45:58,483 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 18:45:58,484 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 18:45:58,484 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 18:45:58,485 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-08 18:45:58,485 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 18:45:58,486 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 18:45:58,487 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 18:45:58,487 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-08 18:45:58,488 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-08 18:45:58,488 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-08 18:45:58,489 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-08 18:45:58,489 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 18:45:58,490 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 18:45:58,490 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 18:45:58,491 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-08 18:45:58,491 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-08 18:45:58,492 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-08 18:45:58,492 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-08 18:45:58,493 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-08 18:45:58,495 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-08 18:45:58,495 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_3bd96e35-58ef-4730-abdb-6e171a48443a/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bd96e35-58ef-4730-abdb-6e171a48443a/bin/uautomizer-verify-jihMAELWvX Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e8eac1f6ce4b453c986bcf223e7a999b8cc2242bbb25b7afe262387bc06640cd [2024-11-08 18:45:58,841 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 18:45:58,882 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 18:45:58,886 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 18:45:58,887 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 18:45:58,889 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 18:45:58,891 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bd96e35-58ef-4730-abdb-6e171a48443a/bin/uautomizer-verify-jihMAELWvX/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-74.i Unable to find full path for "g++" [2024-11-08 18:46:01,395 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 18:46:01,625 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 18:46:01,626 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bd96e35-58ef-4730-abdb-6e171a48443a/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-74.i [2024-11-08 18:46:01,637 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bd96e35-58ef-4730-abdb-6e171a48443a/bin/uautomizer-verify-jihMAELWvX/data/0c35e83f1/93da1e4787ea4e44958cd23cae93eb0a/FLAGb87ec8fe9 [2024-11-08 18:46:01,656 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bd96e35-58ef-4730-abdb-6e171a48443a/bin/uautomizer-verify-jihMAELWvX/data/0c35e83f1/93da1e4787ea4e44958cd23cae93eb0a [2024-11-08 18:46:01,659 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 18:46:01,662 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 18:46:01,663 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 18:46:01,664 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 18:46:01,671 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 18:46:01,672 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 06:46:01" (1/1) ... [2024-11-08 18:46:01,674 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@220ca5a5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:46:01, skipping insertion in model container [2024-11-08 18:46:01,674 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 06:46:01" (1/1) ... [2024-11-08 18:46:01,710 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 18:46:01,929 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_3bd96e35-58ef-4730-abdb-6e171a48443a/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-74.i[916,929] [2024-11-08 18:46:02,009 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 18:46:02,027 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 18:46:02,043 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_3bd96e35-58ef-4730-abdb-6e171a48443a/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-74.i[916,929] [2024-11-08 18:46:02,100 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 18:46:02,137 INFO L204 MainTranslator]: Completed translation [2024-11-08 18:46:02,138 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:46:02 WrapperNode [2024-11-08 18:46:02,138 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 18:46:02,140 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 18:46:02,140 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 18:46:02,140 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 18:46:02,149 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:46:02" (1/1) ... [2024-11-08 18:46:02,166 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:46:02" (1/1) ... [2024-11-08 18:46:02,228 INFO L138 Inliner]: procedures = 30, calls = 181, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 577 [2024-11-08 18:46:02,228 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 18:46:02,229 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 18:46:02,230 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 18:46:02,230 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 18:46:02,246 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:46:02" (1/1) ... [2024-11-08 18:46:02,246 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:46:02" (1/1) ... [2024-11-08 18:46:02,256 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:46:02" (1/1) ... [2024-11-08 18:46:02,270 WARN L109 MemorySlicer]: Omit memory slicing because it failed with the following exception: Unsupported: Memory array in LHS [2024-11-08 18:46:02,271 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:46:02" (1/1) ... [2024-11-08 18:46:02,271 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:46:02" (1/1) ... [2024-11-08 18:46:02,298 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:46:02" (1/1) ... [2024-11-08 18:46:02,312 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:46:02" (1/1) ... [2024-11-08 18:46:02,319 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:46:02" (1/1) ... [2024-11-08 18:46:02,325 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:46:02" (1/1) ... [2024-11-08 18:46:02,337 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 18:46:02,338 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 18:46:02,339 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 18:46:02,339 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 18:46:02,344 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:46:02" (1/1) ... [2024-11-08 18:46:02,352 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-08 18:46:02,366 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bd96e35-58ef-4730-abdb-6e171a48443a/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 18:46:02,384 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bd96e35-58ef-4730-abdb-6e171a48443a/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-08 18:46:02,388 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bd96e35-58ef-4730-abdb-6e171a48443a/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-08 18:46:02,436 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 18:46:02,436 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real [2024-11-08 18:46:02,437 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2024-11-08 18:46:02,438 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-08 18:46:02,439 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2024-11-08 18:46:02,439 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2024-11-08 18:46:02,439 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-08 18:46:02,439 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-08 18:46:02,440 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-08 18:46:02,440 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-08 18:46:02,440 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 18:46:02,440 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 18:46:02,666 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 18:46:02,669 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 18:46:03,874 INFO L? ?]: Removed 150 outVars from TransFormulas that were not future-live. [2024-11-08 18:46:03,874 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 18:46:03,904 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 18:46:03,905 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-08 18:46:03,905 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 06:46:03 BoogieIcfgContainer [2024-11-08 18:46:03,906 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 18:46:03,912 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-08 18:46:03,912 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-08 18:46:03,917 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-08 18:46:03,917 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.11 06:46:01" (1/3) ... [2024-11-08 18:46:03,918 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@34246bde and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 06:46:03, skipping insertion in model container [2024-11-08 18:46:03,920 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:46:02" (2/3) ... [2024-11-08 18:46:03,921 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@34246bde and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 06:46:03, skipping insertion in model container [2024-11-08 18:46:03,922 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 06:46:03" (3/3) ... [2024-11-08 18:46:03,924 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_wrapper-s_file-74.i [2024-11-08 18:46:03,946 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-08 18:46:03,946 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-08 18:46:04,046 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-08 18:46:04,057 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;@70382757, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-08 18:46:04,058 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-08 18:46:04,066 INFO L276 IsEmpty]: Start isEmpty. Operand has 125 states, 105 states have (on average 1.438095238095238) internal successors, (151), 106 states have internal predecessors, (151), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2024-11-08 18:46:04,089 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2024-11-08 18:46:04,089 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 18:46:04,090 INFO L215 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 18:46:04,091 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 18:46:04,101 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 18:46:04,101 INFO L85 PathProgramCache]: Analyzing trace with hash 198751677, now seen corresponding path program 1 times [2024-11-08 18:46:04,115 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 18:46:04,115 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1167894051] [2024-11-08 18:46:04,116 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 18:46:04,116 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 18:46:04,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:46:05,782 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-08 18:46:05,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:46:05,792 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-08 18:46:05,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:46:05,801 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-11-08 18:46:05,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:46:05,807 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-08 18:46:05,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:46:05,816 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-08 18:46:05,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:46:05,822 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-08 18:46:05,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:46:05,828 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-08 18:46:05,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:46:05,833 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-08 18:46:05,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:46:05,843 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-08 18:46:05,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:46:05,847 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-08 18:46:05,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:46:05,852 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-08 18:46:05,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:46:05,858 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-08 18:46:05,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:46:05,864 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-08 18:46:05,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:46:05,872 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-08 18:46:05,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:46:05,877 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-08 18:46:05,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:46:05,883 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-08 18:46:05,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:46:05,889 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-08 18:46:05,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:46:05,897 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2024-11-08 18:46:05,900 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 18:46:05,900 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1167894051] [2024-11-08 18:46:05,901 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1167894051] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 18:46:05,902 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 18:46:05,903 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-08 18:46:05,905 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2099413431] [2024-11-08 18:46:05,907 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 18:46:05,914 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-08 18:46:05,914 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 18:46:05,949 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-08 18:46:05,950 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-08 18:46:05,955 INFO L87 Difference]: Start difference. First operand has 125 states, 105 states have (on average 1.438095238095238) internal successors, (151), 106 states have internal predecessors, (151), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) Second operand has 4 states, 4 states have (on average 17.0) internal successors, (68), 4 states have internal predecessors, (68), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-08 18:46:06,660 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 18:46:06,660 INFO L93 Difference]: Finished difference Result 319 states and 516 transitions. [2024-11-08 18:46:06,662 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-08 18:46:06,664 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 17.0) internal successors, (68), 4 states have internal predecessors, (68), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 150 [2024-11-08 18:46:06,666 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 18:46:06,681 INFO L225 Difference]: With dead ends: 319 [2024-11-08 18:46:06,682 INFO L226 Difference]: Without dead ends: 197 [2024-11-08 18:46:06,688 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-08 18:46:06,694 INFO L432 NwaCegarLoop]: 139 mSDtfsCounter, 66 mSDsluCounter, 188 mSDsCounter, 0 mSdLazyCounter, 238 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 83 SdHoareTripleChecker+Valid, 327 SdHoareTripleChecker+Invalid, 259 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 238 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-08 18:46:06,695 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [83 Valid, 327 Invalid, 259 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 238 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-08 18:46:06,720 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 197 states. [2024-11-08 18:46:06,774 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 197 to 122. [2024-11-08 18:46:06,777 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 122 states, 103 states have (on average 1.4077669902912622) internal successors, (145), 103 states have internal predecessors, (145), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2024-11-08 18:46:06,780 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 122 states and 179 transitions. [2024-11-08 18:46:06,786 INFO L78 Accepts]: Start accepts. Automaton has 122 states and 179 transitions. Word has length 150 [2024-11-08 18:46:06,787 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 18:46:06,787 INFO L471 AbstractCegarLoop]: Abstraction has 122 states and 179 transitions. [2024-11-08 18:46:06,788 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 17.0) internal successors, (68), 4 states have internal predecessors, (68), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-08 18:46:06,789 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 179 transitions. [2024-11-08 18:46:06,793 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2024-11-08 18:46:06,795 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 18:46:06,796 INFO L215 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 18:46:06,796 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-08 18:46:06,796 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 18:46:06,798 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 18:46:06,798 INFO L85 PathProgramCache]: Analyzing trace with hash 339300287, now seen corresponding path program 1 times [2024-11-08 18:46:06,799 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 18:46:06,799 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [350626171] [2024-11-08 18:46:06,799 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 18:46:06,800 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 18:46:07,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:46:10,264 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-08 18:46:10,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:46:10,268 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-08 18:46:10,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:46:10,271 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-11-08 18:46:10,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:46:10,276 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-08 18:46:10,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:46:10,283 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-08 18:46:10,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:46:10,289 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-08 18:46:10,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:46:10,295 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-08 18:46:10,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:46:10,299 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-08 18:46:10,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:46:10,304 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-08 18:46:10,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:46:10,308 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-08 18:46:10,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:46:10,313 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-08 18:46:10,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:46:10,320 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-08 18:46:10,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:46:10,328 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-08 18:46:10,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:46:10,334 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-08 18:46:10,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:46:10,339 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-08 18:46:10,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:46:10,344 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-08 18:46:10,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:46:10,351 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-08 18:46:10,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:46:10,359 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2024-11-08 18:46:10,363 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 18:46:10,363 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [350626171] [2024-11-08 18:46:10,363 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [350626171] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 18:46:10,364 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 18:46:10,364 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-08 18:46:10,364 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1229433696] [2024-11-08 18:46:10,365 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 18:46:10,366 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-08 18:46:10,368 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 18:46:10,371 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-08 18:46:10,371 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-08 18:46:10,371 INFO L87 Difference]: Start difference. First operand 122 states and 179 transitions. Second operand has 7 states, 6 states have (on average 11.333333333333334) internal successors, (68), 7 states have internal predecessors, (68), 2 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 2 states have call successors, (17) [2024-11-08 18:46:11,516 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 18:46:11,517 INFO L93 Difference]: Finished difference Result 311 states and 455 transitions. [2024-11-08 18:46:11,517 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-08 18:46:11,518 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 11.333333333333334) internal successors, (68), 7 states have internal predecessors, (68), 2 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 2 states have call successors, (17) Word has length 150 [2024-11-08 18:46:11,519 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 18:46:11,521 INFO L225 Difference]: With dead ends: 311 [2024-11-08 18:46:11,521 INFO L226 Difference]: Without dead ends: 192 [2024-11-08 18:46:11,523 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 46 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2024-11-08 18:46:11,524 INFO L432 NwaCegarLoop]: 179 mSDtfsCounter, 88 mSDsluCounter, 719 mSDsCounter, 0 mSdLazyCounter, 413 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 89 SdHoareTripleChecker+Valid, 898 SdHoareTripleChecker+Invalid, 418 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 413 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-11-08 18:46:11,525 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [89 Valid, 898 Invalid, 418 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 413 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-11-08 18:46:11,526 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 192 states. [2024-11-08 18:46:11,559 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 192 to 189. [2024-11-08 18:46:11,563 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 189 states, 165 states have (on average 1.4181818181818182) internal successors, (234), 166 states have internal predecessors, (234), 21 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (21), 20 states have call predecessors, (21), 21 states have call successors, (21) [2024-11-08 18:46:11,565 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 189 states to 189 states and 276 transitions. [2024-11-08 18:46:11,566 INFO L78 Accepts]: Start accepts. Automaton has 189 states and 276 transitions. Word has length 150 [2024-11-08 18:46:11,567 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 18:46:11,568 INFO L471 AbstractCegarLoop]: Abstraction has 189 states and 276 transitions. [2024-11-08 18:46:11,570 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 11.333333333333334) internal successors, (68), 7 states have internal predecessors, (68), 2 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 2 states have call successors, (17) [2024-11-08 18:46:11,570 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 276 transitions. [2024-11-08 18:46:11,573 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2024-11-08 18:46:11,575 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 18:46:11,577 INFO L215 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 18:46:11,577 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-08 18:46:11,579 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 18:46:11,580 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 18:46:11,580 INFO L85 PathProgramCache]: Analyzing trace with hash 1723736760, now seen corresponding path program 1 times [2024-11-08 18:46:11,580 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 18:46:11,580 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1566789193] [2024-11-08 18:46:11,581 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 18:46:11,581 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 18:46:11,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:46:14,247 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-08 18:46:14,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:46:14,252 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-08 18:46:14,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:46:14,255 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-11-08 18:46:14,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:46:14,263 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-08 18:46:14,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:46:14,266 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-08 18:46:14,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:46:14,270 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-08 18:46:14,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:46:14,274 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-08 18:46:14,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:46:14,278 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-08 18:46:14,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:46:14,281 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-08 18:46:14,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:46:14,284 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-08 18:46:14,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:46:14,287 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-08 18:46:14,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:46:14,290 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-08 18:46:14,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:46:14,293 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-08 18:46:14,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:46:14,297 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-08 18:46:14,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:46:14,301 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-08 18:46:14,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:46:14,305 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-08 18:46:14,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:46:14,308 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-08 18:46:14,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:46:14,312 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2024-11-08 18:46:14,312 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 18:46:14,313 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1566789193] [2024-11-08 18:46:14,313 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1566789193] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 18:46:14,313 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 18:46:14,313 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-08 18:46:14,314 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [753225037] [2024-11-08 18:46:14,314 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 18:46:14,315 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-08 18:46:14,315 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 18:46:14,316 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-08 18:46:14,316 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2024-11-08 18:46:14,317 INFO L87 Difference]: Start difference. First operand 189 states and 276 transitions. Second operand has 8 states, 7 states have (on average 9.714285714285714) internal successors, (68), 8 states have internal predecessors, (68), 2 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 2 states have call successors, (17) [2024-11-08 18:46:15,386 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 18:46:15,387 INFO L93 Difference]: Finished difference Result 381 states and 555 transitions. [2024-11-08 18:46:15,387 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-08 18:46:15,388 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 9.714285714285714) internal successors, (68), 8 states have internal predecessors, (68), 2 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 2 states have call successors, (17) Word has length 150 [2024-11-08 18:46:15,388 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 18:46:15,390 INFO L225 Difference]: With dead ends: 381 [2024-11-08 18:46:15,390 INFO L226 Difference]: Without dead ends: 195 [2024-11-08 18:46:15,391 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 46 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=29, Invalid=103, Unknown=0, NotChecked=0, Total=132 [2024-11-08 18:46:15,393 INFO L432 NwaCegarLoop]: 180 mSDtfsCounter, 87 mSDsluCounter, 828 mSDsCounter, 0 mSdLazyCounter, 540 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 88 SdHoareTripleChecker+Valid, 1008 SdHoareTripleChecker+Invalid, 545 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 540 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-11-08 18:46:15,394 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [88 Valid, 1008 Invalid, 545 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 540 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-11-08 18:46:15,395 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 195 states. [2024-11-08 18:46:15,411 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 195 to 190. [2024-11-08 18:46:15,412 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 190 states, 166 states have (on average 1.4156626506024097) internal successors, (235), 167 states have internal predecessors, (235), 21 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (21), 20 states have call predecessors, (21), 21 states have call successors, (21) [2024-11-08 18:46:15,413 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 190 states and 277 transitions. [2024-11-08 18:46:15,414 INFO L78 Accepts]: Start accepts. Automaton has 190 states and 277 transitions. Word has length 150 [2024-11-08 18:46:15,414 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 18:46:15,415 INFO L471 AbstractCegarLoop]: Abstraction has 190 states and 277 transitions. [2024-11-08 18:46:15,415 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 9.714285714285714) internal successors, (68), 8 states have internal predecessors, (68), 2 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 2 states have call successors, (17) [2024-11-08 18:46:15,415 INFO L276 IsEmpty]: Start isEmpty. Operand 190 states and 277 transitions. [2024-11-08 18:46:15,418 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2024-11-08 18:46:15,418 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 18:46:15,418 INFO L215 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 18:46:15,419 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-08 18:46:15,419 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 18:46:15,419 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 18:46:15,420 INFO L85 PathProgramCache]: Analyzing trace with hash 1330709750, now seen corresponding path program 1 times [2024-11-08 18:46:15,420 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 18:46:15,420 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [45309618] [2024-11-08 18:46:15,420 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 18:46:15,420 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 18:46:15,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 18:46:15,600 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 18:46:15,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 18:46:15,771 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-08 18:46:15,772 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-08 18:46:15,773 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-08 18:46:15,775 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-08 18:46:15,779 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2024-11-08 18:46:15,899 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-08 18:46:15,903 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.11 06:46:15 BoogieIcfgContainer [2024-11-08 18:46:15,904 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-08 18:46:15,904 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-08 18:46:15,905 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-08 18:46:15,905 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-08 18:46:15,906 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 06:46:03" (3/4) ... [2024-11-08 18:46:15,913 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-08 18:46:15,914 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-08 18:46:15,915 INFO L158 Benchmark]: Toolchain (without parser) took 14253.53ms. Allocated memory was 136.3MB in the beginning and 331.4MB in the end (delta: 195.0MB). Free memory was 99.1MB in the beginning and 204.9MB in the end (delta: -105.7MB). Peak memory consumption was 91.1MB. Max. memory is 16.1GB. [2024-11-08 18:46:15,915 INFO L158 Benchmark]: CDTParser took 0.38ms. Allocated memory is still 136.3MB. Free memory is still 83.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 18:46:15,916 INFO L158 Benchmark]: CACSL2BoogieTranslator took 475.25ms. Allocated memory is still 136.3MB. Free memory was 99.1MB in the beginning and 80.3MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2024-11-08 18:46:15,916 INFO L158 Benchmark]: Boogie Procedure Inliner took 89.16ms. Allocated memory is still 136.3MB. Free memory was 80.3MB in the beginning and 76.1MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-08 18:46:15,917 INFO L158 Benchmark]: Boogie Preprocessor took 107.92ms. Allocated memory is still 136.3MB. Free memory was 76.1MB in the beginning and 71.5MB in the end (delta: 4.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-08 18:46:15,918 INFO L158 Benchmark]: RCFGBuilder took 1567.47ms. Allocated memory was 136.3MB in the beginning and 186.6MB in the end (delta: 50.3MB). Free memory was 71.5MB in the beginning and 132.3MB in the end (delta: -60.8MB). Peak memory consumption was 28.6MB. Max. memory is 16.1GB. [2024-11-08 18:46:15,918 INFO L158 Benchmark]: TraceAbstraction took 11991.89ms. Allocated memory was 186.6MB in the beginning and 331.4MB in the end (delta: 144.7MB). Free memory was 132.3MB in the beginning and 204.9MB in the end (delta: -72.6MB). Peak memory consumption was 73.0MB. Max. memory is 16.1GB. [2024-11-08 18:46:15,919 INFO L158 Benchmark]: Witness Printer took 9.81ms. Allocated memory is still 331.4MB. Free memory was 204.9MB in the beginning and 204.9MB in the end (delta: 2.6kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 18:46:15,922 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.38ms. Allocated memory is still 136.3MB. Free memory is still 83.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 475.25ms. Allocated memory is still 136.3MB. Free memory was 99.1MB in the beginning and 80.3MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 89.16ms. Allocated memory is still 136.3MB. Free memory was 80.3MB in the beginning and 76.1MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 107.92ms. Allocated memory is still 136.3MB. Free memory was 76.1MB in the beginning and 71.5MB in the end (delta: 4.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 1567.47ms. Allocated memory was 136.3MB in the beginning and 186.6MB in the end (delta: 50.3MB). Free memory was 71.5MB in the beginning and 132.3MB in the end (delta: -60.8MB). Peak memory consumption was 28.6MB. Max. memory is 16.1GB. * TraceAbstraction took 11991.89ms. Allocated memory was 186.6MB in the beginning and 331.4MB in the end (delta: 144.7MB). Free memory was 132.3MB in the beginning and 204.9MB in the end (delta: -72.6MB). Peak memory consumption was 73.0MB. Max. memory is 16.1GB. * Witness Printer took 9.81ms. Allocated memory is still 331.4MB. Free memory was 204.9MB in the beginning and 204.9MB in the end (delta: 2.6kB). 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 123. Possible FailurePath: [L38] unsigned char isInitial = 0; [L39-L54] struct WrapperStruct00 WrapperStruct00 = { 25, 63.25, 3.779, 31.6, 100.5, 64, 3150951169, 128, 1, 1, 9.3, 0, 1, 1 }; [L55] unsigned char last_1_WrapperStruct00_var_1_16 = 1; VAL [WrapperStruct00={4:0}, isInitial=0, last_1_WrapperStruct00_var_1_16=1] [L127] isInitial = 1 [L128] FCALL initially() [L129] COND TRUE 1 [L130] CALL updateLastVariables() [L120] EXPR WrapperStruct00.var_1_16 [L120] last_1_WrapperStruct00_var_1_16 = WrapperStruct00.var_1_16 [L130] RET updateLastVariables() [L131] CALL updateVariables() [L90] WrapperStruct00.var_1_2 = __VERIFIER_nondet_double() [L91] EXPR WrapperStruct00.var_1_2 [L91] EXPR WrapperStruct00.var_1_2 >= -922337.2036854776000e+13F && WrapperStruct00.var_1_2 <= -1.0e-20F [L91] EXPR WrapperStruct00.var_1_2 [L91] EXPR WrapperStruct00.var_1_2 >= -922337.2036854776000e+13F && WrapperStruct00.var_1_2 <= -1.0e-20F VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_16=1] [L91] EXPR (WrapperStruct00.var_1_2 >= -922337.2036854776000e+13F && WrapperStruct00.var_1_2 <= -1.0e-20F) || (WrapperStruct00.var_1_2 <= 9223372.036854776000e+12F && WrapperStruct00.var_1_2 >= 1.0e-20F ) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_16=1] [L91] CALL assume_abort_if_not((WrapperStruct00.var_1_2 >= -922337.2036854776000e+13F && WrapperStruct00.var_1_2 <= -1.0e-20F) || (WrapperStruct00.var_1_2 <= 9223372.036854776000e+12F && WrapperStruct00.var_1_2 >= 1.0e-20F )) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_16=1] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_16=1] [L91] RET assume_abort_if_not((WrapperStruct00.var_1_2 >= -922337.2036854776000e+13F && WrapperStruct00.var_1_2 <= -1.0e-20F) || (WrapperStruct00.var_1_2 <= 9223372.036854776000e+12F && WrapperStruct00.var_1_2 >= 1.0e-20F )) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_16=1] [L92] WrapperStruct00.var_1_3 = __VERIFIER_nondet_double() [L93] EXPR WrapperStruct00.var_1_3 [L93] EXPR WrapperStruct00.var_1_3 >= -922337.2036854776000e+13F && WrapperStruct00.var_1_3 <= -1.0e-20F [L93] EXPR WrapperStruct00.var_1_3 [L93] EXPR WrapperStruct00.var_1_3 >= -922337.2036854776000e+13F && WrapperStruct00.var_1_3 <= -1.0e-20F VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_16=1] [L93] EXPR (WrapperStruct00.var_1_3 >= -922337.2036854776000e+13F && WrapperStruct00.var_1_3 <= -1.0e-20F) || (WrapperStruct00.var_1_3 <= 9223372.036854776000e+12F && WrapperStruct00.var_1_3 >= 1.0e-20F ) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_16=1] [L93] CALL assume_abort_if_not((WrapperStruct00.var_1_3 >= -922337.2036854776000e+13F && WrapperStruct00.var_1_3 <= -1.0e-20F) || (WrapperStruct00.var_1_3 <= 9223372.036854776000e+12F && WrapperStruct00.var_1_3 >= 1.0e-20F )) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_16=1] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_16=1] [L93] RET assume_abort_if_not((WrapperStruct00.var_1_3 >= -922337.2036854776000e+13F && WrapperStruct00.var_1_3 <= -1.0e-20F) || (WrapperStruct00.var_1_3 <= 9223372.036854776000e+12F && WrapperStruct00.var_1_3 >= 1.0e-20F )) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_16=1] [L94] WrapperStruct00.var_1_4 = __VERIFIER_nondet_double() [L95] EXPR WrapperStruct00.var_1_4 [L95] EXPR WrapperStruct00.var_1_4 >= -922337.2036854776000e+13F && WrapperStruct00.var_1_4 <= -1.0e-20F [L95] EXPR WrapperStruct00.var_1_4 [L95] EXPR WrapperStruct00.var_1_4 >= -922337.2036854776000e+13F && WrapperStruct00.var_1_4 <= -1.0e-20F VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_16=1] [L95] EXPR (WrapperStruct00.var_1_4 >= -922337.2036854776000e+13F && WrapperStruct00.var_1_4 <= -1.0e-20F) || (WrapperStruct00.var_1_4 <= 9223372.036854776000e+12F && WrapperStruct00.var_1_4 >= 1.0e-20F ) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_16=1] [L95] CALL assume_abort_if_not((WrapperStruct00.var_1_4 >= -922337.2036854776000e+13F && WrapperStruct00.var_1_4 <= -1.0e-20F) || (WrapperStruct00.var_1_4 <= 9223372.036854776000e+12F && WrapperStruct00.var_1_4 >= 1.0e-20F )) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_16=1] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_16=1] [L95] RET assume_abort_if_not((WrapperStruct00.var_1_4 >= -922337.2036854776000e+13F && WrapperStruct00.var_1_4 <= -1.0e-20F) || (WrapperStruct00.var_1_4 <= 9223372.036854776000e+12F && WrapperStruct00.var_1_4 >= 1.0e-20F )) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_16=1] [L96] WrapperStruct00.var_1_5 = __VERIFIER_nondet_double() [L97] EXPR WrapperStruct00.var_1_5 [L97] EXPR WrapperStruct00.var_1_5 >= -922337.2036854776000e+13F && WrapperStruct00.var_1_5 <= -1.0e-20F [L97] EXPR WrapperStruct00.var_1_5 [L97] EXPR WrapperStruct00.var_1_5 >= -922337.2036854776000e+13F && WrapperStruct00.var_1_5 <= -1.0e-20F VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_16=1] [L97] EXPR (WrapperStruct00.var_1_5 >= -922337.2036854776000e+13F && WrapperStruct00.var_1_5 <= -1.0e-20F) || (WrapperStruct00.var_1_5 <= 9223372.036854776000e+12F && WrapperStruct00.var_1_5 >= 1.0e-20F ) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_16=1] [L97] CALL assume_abort_if_not((WrapperStruct00.var_1_5 >= -922337.2036854776000e+13F && WrapperStruct00.var_1_5 <= -1.0e-20F) || (WrapperStruct00.var_1_5 <= 9223372.036854776000e+12F && WrapperStruct00.var_1_5 >= 1.0e-20F )) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_16=1] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_16=1] [L97] RET assume_abort_if_not((WrapperStruct00.var_1_5 >= -922337.2036854776000e+13F && WrapperStruct00.var_1_5 <= -1.0e-20F) || (WrapperStruct00.var_1_5 <= 9223372.036854776000e+12F && WrapperStruct00.var_1_5 >= 1.0e-20F )) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_16=1] [L98] WrapperStruct00.var_1_6 = __VERIFIER_nondet_ulong() [L99] EXPR WrapperStruct00.var_1_6 VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_16=1] [L99] CALL assume_abort_if_not(WrapperStruct00.var_1_6 >= 0) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_16=1] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_16=1] [L99] RET assume_abort_if_not(WrapperStruct00.var_1_6 >= 0) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_16=1] [L100] EXPR WrapperStruct00.var_1_6 VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_16=1] [L100] CALL assume_abort_if_not(WrapperStruct00.var_1_6 <= 4294967294) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_16=1] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_16=1] [L100] RET assume_abort_if_not(WrapperStruct00.var_1_6 <= 4294967294) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_16=1] [L101] WrapperStruct00.var_1_7 = __VERIFIER_nondet_ulong() [L102] EXPR WrapperStruct00.var_1_7 VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_16=1] [L102] CALL assume_abort_if_not(WrapperStruct00.var_1_7 >= 2147483647) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_16=1] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_16=1] [L102] RET assume_abort_if_not(WrapperStruct00.var_1_7 >= 2147483647) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_16=1] [L103] EXPR WrapperStruct00.var_1_7 VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_16=1] [L103] CALL assume_abort_if_not(WrapperStruct00.var_1_7 <= 4294967294) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_16=1] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_16=1] [L103] RET assume_abort_if_not(WrapperStruct00.var_1_7 <= 4294967294) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_16=1] [L104] WrapperStruct00.var_1_8 = __VERIFIER_nondet_ulong() [L105] EXPR WrapperStruct00.var_1_8 VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_16=1] [L105] CALL assume_abort_if_not(WrapperStruct00.var_1_8 >= 0) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_16=1] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_16=1] [L105] RET assume_abort_if_not(WrapperStruct00.var_1_8 >= 0) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_16=1] [L106] EXPR WrapperStruct00.var_1_8 VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_16=1] [L106] CALL assume_abort_if_not(WrapperStruct00.var_1_8 <= 2147483647) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_16=1] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_16=1] [L106] RET assume_abort_if_not(WrapperStruct00.var_1_8 <= 2147483647) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_16=1] [L107] WrapperStruct00.var_1_9 = __VERIFIER_nondet_ulong() [L108] EXPR WrapperStruct00.var_1_9 VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_16=1] [L108] CALL assume_abort_if_not(WrapperStruct00.var_1_9 >= 0) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_16=1] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_16=1] [L108] RET assume_abort_if_not(WrapperStruct00.var_1_9 >= 0) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_16=1] [L109] EXPR WrapperStruct00.var_1_9 VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_16=1] [L109] CALL assume_abort_if_not(WrapperStruct00.var_1_9 <= 4294967294) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_16=1] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_16=1] [L109] RET assume_abort_if_not(WrapperStruct00.var_1_9 <= 4294967294) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_16=1] [L110] WrapperStruct00.var_1_11 = __VERIFIER_nondet_double() [L111] EXPR WrapperStruct00.var_1_11 [L111] EXPR WrapperStruct00.var_1_11 >= -922337.2036854776000e+13F && WrapperStruct00.var_1_11 <= -1.0e-20F [L111] EXPR WrapperStruct00.var_1_11 [L111] EXPR WrapperStruct00.var_1_11 >= -922337.2036854776000e+13F && WrapperStruct00.var_1_11 <= -1.0e-20F VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_16=1] [L111] EXPR (WrapperStruct00.var_1_11 >= -922337.2036854776000e+13F && WrapperStruct00.var_1_11 <= -1.0e-20F) || (WrapperStruct00.var_1_11 <= 9223372.036854776000e+12F && WrapperStruct00.var_1_11 >= 1.0e-20F ) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_16=1] [L111] CALL assume_abort_if_not((WrapperStruct00.var_1_11 >= -922337.2036854776000e+13F && WrapperStruct00.var_1_11 <= -1.0e-20F) || (WrapperStruct00.var_1_11 <= 9223372.036854776000e+12F && WrapperStruct00.var_1_11 >= 1.0e-20F )) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_16=1] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_16=1] [L111] RET assume_abort_if_not((WrapperStruct00.var_1_11 >= -922337.2036854776000e+13F && WrapperStruct00.var_1_11 <= -1.0e-20F) || (WrapperStruct00.var_1_11 <= 9223372.036854776000e+12F && WrapperStruct00.var_1_11 >= 1.0e-20F )) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_16=1] [L112] WrapperStruct00.var_1_14 = __VERIFIER_nondet_uchar() [L113] EXPR WrapperStruct00.var_1_14 VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_16=1] [L113] CALL assume_abort_if_not(WrapperStruct00.var_1_14 >= 0) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_16=1] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_16=1] [L113] RET assume_abort_if_not(WrapperStruct00.var_1_14 >= 0) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_16=1] [L114] EXPR WrapperStruct00.var_1_14 VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_16=1] [L114] CALL assume_abort_if_not(WrapperStruct00.var_1_14 <= 0) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_16=1] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_16=1] [L114] RET assume_abort_if_not(WrapperStruct00.var_1_14 <= 0) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_16=1] [L115] WrapperStruct00.var_1_15 = __VERIFIER_nondet_uchar() [L116] EXPR WrapperStruct00.var_1_15 VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_16=1] [L116] CALL assume_abort_if_not(WrapperStruct00.var_1_15 >= 1) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_16=1] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_16=1] [L116] RET assume_abort_if_not(WrapperStruct00.var_1_15 >= 1) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_16=1] [L117] EXPR WrapperStruct00.var_1_15 VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_16=1] [L117] CALL assume_abort_if_not(WrapperStruct00.var_1_15 <= 1) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_16=1] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_16=1] [L117] RET assume_abort_if_not(WrapperStruct00.var_1_15 <= 1) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_16=1] [L131] RET updateVariables() [L132] CALL step() [L59] unsigned char stepLocal_0 = last_1_WrapperStruct00_var_1_16 && last_1_WrapperStruct00_var_1_16; [L60] EXPR WrapperStruct00.var_1_5 [L60] EXPR WrapperStruct00.var_1_11 VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_16=1, stepLocal_0=1] [L60] COND TRUE (WrapperStruct00.var_1_5 > WrapperStruct00.var_1_11) || stepLocal_0 [L61] EXPR WrapperStruct00.var_1_14 [L61] WrapperStruct00.var_1_10 = WrapperStruct00.var_1_14 [L65] EXPR WrapperStruct00.var_1_10 [L65] unsigned char stepLocal_1 = WrapperStruct00.var_1_10; [L66] stepLocal_1 && WrapperStruct00.var_1_10 VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_16=1] [L66] COND FALSE !(stepLocal_1 && WrapperStruct00.var_1_10) [L73] EXPR WrapperStruct00.var_1_15 [L73] WrapperStruct00.var_1_16 = WrapperStruct00.var_1_15 [L75] EXPR WrapperStruct00.var_1_2 [L75] EXPR WrapperStruct00.var_1_3 VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_16=1] [L75] EXPR ((WrapperStruct00.var_1_2) > (WrapperStruct00.var_1_3)) ? (WrapperStruct00.var_1_2) : (WrapperStruct00.var_1_3) [L75] EXPR WrapperStruct00.var_1_2 [L75] EXPR ((WrapperStruct00.var_1_2) > (WrapperStruct00.var_1_3)) ? (WrapperStruct00.var_1_2) : (WrapperStruct00.var_1_3) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_16=1] [L75] EXPR WrapperStruct00.var_1_4 VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_16=1] [L75] EXPR ((((((WrapperStruct00.var_1_2) > (WrapperStruct00.var_1_3)) ? (WrapperStruct00.var_1_2) : (WrapperStruct00.var_1_3)))) < (WrapperStruct00.var_1_4)) ? (((((WrapperStruct00.var_1_2) > (WrapperStruct00.var_1_3)) ? (WrapperStruct00.var_1_2) : (WrapperStruct00.var_1_3)))) : (WrapperStruct00.var_1_4) [L75] EXPR WrapperStruct00.var_1_4 [L75] EXPR ((((((WrapperStruct00.var_1_2) > (WrapperStruct00.var_1_3)) ? (WrapperStruct00.var_1_2) : (WrapperStruct00.var_1_3)))) < (WrapperStruct00.var_1_4)) ? (((((WrapperStruct00.var_1_2) > (WrapperStruct00.var_1_3)) ? (WrapperStruct00.var_1_2) : (WrapperStruct00.var_1_3)))) : (WrapperStruct00.var_1_4) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_16=1] [L75] EXPR WrapperStruct00.var_1_5 VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_16=1] [L75] COND FALSE !(((((((((WrapperStruct00.var_1_2) > (WrapperStruct00.var_1_3)) ? (WrapperStruct00.var_1_2) : (WrapperStruct00.var_1_3)))) < (WrapperStruct00.var_1_4)) ? (((((WrapperStruct00.var_1_2) > (WrapperStruct00.var_1_3)) ? (WrapperStruct00.var_1_2) : (WrapperStruct00.var_1_3)))) : (WrapperStruct00.var_1_4))) < WrapperStruct00.var_1_5) [L78] EXPR WrapperStruct00.var_1_2 [L78] EXPR WrapperStruct00.var_1_3 [L78] EXPR WrapperStruct00.var_1_5 VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_16=1] [L78] COND FALSE !(WrapperStruct00.var_1_2 >= (WrapperStruct00.var_1_3 + WrapperStruct00.var_1_5)) [L85] EXPR WrapperStruct00.var_1_6 [L85] WrapperStruct00.var_1_1 = WrapperStruct00.var_1_6 [L132] RET step() [L133] CALL, EXPR property() [L123] EXPR WrapperStruct00.var_1_2 [L123] EXPR WrapperStruct00.var_1_3 VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_16=1] [L123] EXPR ((WrapperStruct00.var_1_2) > (WrapperStruct00.var_1_3)) ? (WrapperStruct00.var_1_2) : (WrapperStruct00.var_1_3) [L123] EXPR WrapperStruct00.var_1_2 [L123] EXPR ((WrapperStruct00.var_1_2) > (WrapperStruct00.var_1_3)) ? (WrapperStruct00.var_1_2) : (WrapperStruct00.var_1_3) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_16=1] [L123] EXPR WrapperStruct00.var_1_4 VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_16=1] [L123] EXPR ((((((WrapperStruct00.var_1_2) > (WrapperStruct00.var_1_3)) ? (WrapperStruct00.var_1_2) : (WrapperStruct00.var_1_3)))) < (WrapperStruct00.var_1_4)) ? (((((WrapperStruct00.var_1_2) > (WrapperStruct00.var_1_3)) ? (WrapperStruct00.var_1_2) : (WrapperStruct00.var_1_3)))) : (WrapperStruct00.var_1_4) [L123] EXPR WrapperStruct00.var_1_4 [L123] EXPR ((((((WrapperStruct00.var_1_2) > (WrapperStruct00.var_1_3)) ? (WrapperStruct00.var_1_2) : (WrapperStruct00.var_1_3)))) < (WrapperStruct00.var_1_4)) ? (((((WrapperStruct00.var_1_2) > (WrapperStruct00.var_1_3)) ? (WrapperStruct00.var_1_2) : (WrapperStruct00.var_1_3)))) : (WrapperStruct00.var_1_4) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_16=1] [L123] EXPR WrapperStruct00.var_1_5 VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_16=1] [L123] EXPR (((((((((WrapperStruct00.var_1_2) > (WrapperStruct00.var_1_3)) ? (WrapperStruct00.var_1_2) : (WrapperStruct00.var_1_3)))) < (WrapperStruct00.var_1_4)) ? (((((WrapperStruct00.var_1_2) > (WrapperStruct00.var_1_3)) ? (WrapperStruct00.var_1_2) : (WrapperStruct00.var_1_3)))) : (WrapperStruct00.var_1_4))) < WrapperStruct00.var_1_5) ? (WrapperStruct00.var_1_1 == ((unsigned long int) ((((WrapperStruct00.var_1_6) > ((WrapperStruct00.var_1_7 - WrapperStruct00.var_1_8))) ? (WrapperStruct00.var_1_6) : ((WrapperStruct00.var_1_7 - WrapperStruct00.var_1_8)))))) : ((WrapperStruct00.var_1_2 >= (WrapperStruct00.var_1_3 + WrapperStruct00.var_1_5)) ? ((WrapperStruct00.var_1_4 > (- WrapperStruct00.var_1_5)) ? (WrapperStruct00.var_1_1 == ((unsigned long int) WrapperStruct00.var_1_6)) : (WrapperStruct00.var_1_1 == ((unsigned long int) WrapperStruct00.var_1_9))) : (WrapperStruct00.var_1_1 == ((unsigned long int) WrapperStruct00.var_1_6))) [L123] EXPR WrapperStruct00.var_1_1 [L123] EXPR WrapperStruct00.var_1_6 [L123] EXPR WrapperStruct00.var_1_7 [L123] EXPR WrapperStruct00.var_1_8 VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_16=1] [L123] EXPR ((WrapperStruct00.var_1_6) > ((WrapperStruct00.var_1_7 - WrapperStruct00.var_1_8))) ? (WrapperStruct00.var_1_6) : ((WrapperStruct00.var_1_7 - WrapperStruct00.var_1_8)) [L123] EXPR WrapperStruct00.var_1_7 [L123] EXPR WrapperStruct00.var_1_8 [L123] EXPR ((WrapperStruct00.var_1_6) > ((WrapperStruct00.var_1_7 - WrapperStruct00.var_1_8))) ? (WrapperStruct00.var_1_6) : ((WrapperStruct00.var_1_7 - WrapperStruct00.var_1_8)) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_16=1] [L123] EXPR (((((((((WrapperStruct00.var_1_2) > (WrapperStruct00.var_1_3)) ? (WrapperStruct00.var_1_2) : (WrapperStruct00.var_1_3)))) < (WrapperStruct00.var_1_4)) ? (((((WrapperStruct00.var_1_2) > (WrapperStruct00.var_1_3)) ? (WrapperStruct00.var_1_2) : (WrapperStruct00.var_1_3)))) : (WrapperStruct00.var_1_4))) < WrapperStruct00.var_1_5) ? (WrapperStruct00.var_1_1 == ((unsigned long int) ((((WrapperStruct00.var_1_6) > ((WrapperStruct00.var_1_7 - WrapperStruct00.var_1_8))) ? (WrapperStruct00.var_1_6) : ((WrapperStruct00.var_1_7 - WrapperStruct00.var_1_8)))))) : ((WrapperStruct00.var_1_2 >= (WrapperStruct00.var_1_3 + WrapperStruct00.var_1_5)) ? ((WrapperStruct00.var_1_4 > (- WrapperStruct00.var_1_5)) ? (WrapperStruct00.var_1_1 == ((unsigned long int) WrapperStruct00.var_1_6)) : (WrapperStruct00.var_1_1 == ((unsigned long int) WrapperStruct00.var_1_9))) : (WrapperStruct00.var_1_1 == ((unsigned long int) WrapperStruct00.var_1_6))) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_16=1] [L123] EXPR ((((((((((WrapperStruct00.var_1_2) > (WrapperStruct00.var_1_3)) ? (WrapperStruct00.var_1_2) : (WrapperStruct00.var_1_3)))) < (WrapperStruct00.var_1_4)) ? (((((WrapperStruct00.var_1_2) > (WrapperStruct00.var_1_3)) ? (WrapperStruct00.var_1_2) : (WrapperStruct00.var_1_3)))) : (WrapperStruct00.var_1_4))) < WrapperStruct00.var_1_5) ? (WrapperStruct00.var_1_1 == ((unsigned long int) ((((WrapperStruct00.var_1_6) > ((WrapperStruct00.var_1_7 - WrapperStruct00.var_1_8))) ? (WrapperStruct00.var_1_6) : ((WrapperStruct00.var_1_7 - WrapperStruct00.var_1_8)))))) : ((WrapperStruct00.var_1_2 >= (WrapperStruct00.var_1_3 + WrapperStruct00.var_1_5)) ? ((WrapperStruct00.var_1_4 > (- WrapperStruct00.var_1_5)) ? (WrapperStruct00.var_1_1 == ((unsigned long int) WrapperStruct00.var_1_6)) : (WrapperStruct00.var_1_1 == ((unsigned long int) WrapperStruct00.var_1_9))) : (WrapperStruct00.var_1_1 == ((unsigned long int) WrapperStruct00.var_1_6)))) && (((WrapperStruct00.var_1_5 > WrapperStruct00.var_1_11) || (last_1_WrapperStruct00_var_1_16 && last_1_WrapperStruct00_var_1_16)) ? (WrapperStruct00.var_1_10 == ((unsigned char) WrapperStruct00.var_1_14)) : (WrapperStruct00.var_1_10 == ((unsigned char) (WrapperStruct00.var_1_14 && (! WrapperStruct00.var_1_15))))) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_16=1] [L123] EXPR (((((((((((WrapperStruct00.var_1_2) > (WrapperStruct00.var_1_3)) ? (WrapperStruct00.var_1_2) : (WrapperStruct00.var_1_3)))) < (WrapperStruct00.var_1_4)) ? (((((WrapperStruct00.var_1_2) > (WrapperStruct00.var_1_3)) ? (WrapperStruct00.var_1_2) : (WrapperStruct00.var_1_3)))) : (WrapperStruct00.var_1_4))) < WrapperStruct00.var_1_5) ? (WrapperStruct00.var_1_1 == ((unsigned long int) ((((WrapperStruct00.var_1_6) > ((WrapperStruct00.var_1_7 - WrapperStruct00.var_1_8))) ? (WrapperStruct00.var_1_6) : ((WrapperStruct00.var_1_7 - WrapperStruct00.var_1_8)))))) : ((WrapperStruct00.var_1_2 >= (WrapperStruct00.var_1_3 + WrapperStruct00.var_1_5)) ? ((WrapperStruct00.var_1_4 > (- WrapperStruct00.var_1_5)) ? (WrapperStruct00.var_1_1 == ((unsigned long int) WrapperStruct00.var_1_6)) : (WrapperStruct00.var_1_1 == ((unsigned long int) WrapperStruct00.var_1_9))) : (WrapperStruct00.var_1_1 == ((unsigned long int) WrapperStruct00.var_1_6)))) && (((WrapperStruct00.var_1_5 > WrapperStruct00.var_1_11) || (last_1_WrapperStruct00_var_1_16 && last_1_WrapperStruct00_var_1_16)) ? (WrapperStruct00.var_1_10 == ((unsigned char) WrapperStruct00.var_1_14)) : (WrapperStruct00.var_1_10 == ((unsigned char) (WrapperStruct00.var_1_14 && (! WrapperStruct00.var_1_15)))))) && ((WrapperStruct00.var_1_10 && WrapperStruct00.var_1_10) ? ((WrapperStruct00.var_1_4 < (- WrapperStruct00.var_1_5)) ? (WrapperStruct00.var_1_16 == ((unsigned char) WrapperStruct00.var_1_15)) : (WrapperStruct00.var_1_16 == ((unsigned char) WrapperStruct00.var_1_15))) : (WrapperStruct00.var_1_16 == ((unsigned char) WrapperStruct00.var_1_15))) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_16=1] [L123-L124] return (((((((((((WrapperStruct00.var_1_2) > (WrapperStruct00.var_1_3)) ? (WrapperStruct00.var_1_2) : (WrapperStruct00.var_1_3)))) < (WrapperStruct00.var_1_4)) ? (((((WrapperStruct00.var_1_2) > (WrapperStruct00.var_1_3)) ? (WrapperStruct00.var_1_2) : (WrapperStruct00.var_1_3)))) : (WrapperStruct00.var_1_4))) < WrapperStruct00.var_1_5) ? (WrapperStruct00.var_1_1 == ((unsigned long int) ((((WrapperStruct00.var_1_6) > ((WrapperStruct00.var_1_7 - WrapperStruct00.var_1_8))) ? (WrapperStruct00.var_1_6) : ((WrapperStruct00.var_1_7 - WrapperStruct00.var_1_8)))))) : ((WrapperStruct00.var_1_2 >= (WrapperStruct00.var_1_3 + WrapperStruct00.var_1_5)) ? ((WrapperStruct00.var_1_4 > (- WrapperStruct00.var_1_5)) ? (WrapperStruct00.var_1_1 == ((unsigned long int) WrapperStruct00.var_1_6)) : (WrapperStruct00.var_1_1 == ((unsigned long int) WrapperStruct00.var_1_9))) : (WrapperStruct00.var_1_1 == ((unsigned long int) WrapperStruct00.var_1_6)))) && (((WrapperStruct00.var_1_5 > WrapperStruct00.var_1_11) || (last_1_WrapperStruct00_var_1_16 && last_1_WrapperStruct00_var_1_16)) ? (WrapperStruct00.var_1_10 == ((unsigned char) WrapperStruct00.var_1_14)) : (WrapperStruct00.var_1_10 == ((unsigned char) (WrapperStruct00.var_1_14 && (! WrapperStruct00.var_1_15)))))) && ((WrapperStruct00.var_1_10 && WrapperStruct00.var_1_10) ? ((WrapperStruct00.var_1_4 < (- WrapperStruct00.var_1_5)) ? (WrapperStruct00.var_1_16 == ((unsigned char) WrapperStruct00.var_1_15)) : (WrapperStruct00.var_1_16 == ((unsigned char) WrapperStruct00.var_1_15))) : (WrapperStruct00.var_1_16 == ((unsigned char) WrapperStruct00.var_1_15))) ; [L133] RET, EXPR property() [L133] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_16=1] [L19] reach_error() VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_16=1] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 125 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 11.8s, OverallIterations: 4, TraceHistogramMax: 17, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 3.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 260 SdHoareTripleChecker+Valid, 2.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 241 mSDsluCounter, 2233 SdHoareTripleChecker+Invalid, 2.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1735 mSDsCounter, 31 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1191 IncrementalHoareTripleChecker+Invalid, 1222 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 31 mSolverCounterUnsat, 498 mSDtfsCounter, 1191 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 149 GetRequests, 128 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=190occurred in iteration=3, InterpolantAutomatonStates: 19, 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, 3 MinimizatonAttempts, 83 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 7.1s InterpolantComputationTime, 600 NumberOfCodeBlocks, 600 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 447 ConstructedInterpolants, 0 QuantifiedInterpolants, 893 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 PerfectInterpolantSequences, 1632/1632 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 18:46:15,983 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bd96e35-58ef-4730-abdb-6e171a48443a/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_3bd96e35-58ef-4730-abdb-6e171a48443a/bin/uautomizer-verify-jihMAELWvX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bd96e35-58ef-4730-abdb-6e171a48443a/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_3bd96e35-58ef-4730-abdb-6e171a48443a/bin/uautomizer-verify-jihMAELWvX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bd96e35-58ef-4730-abdb-6e171a48443a/bin/uautomizer-verify-jihMAELWvX/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-74.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bd96e35-58ef-4730-abdb-6e171a48443a/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_3bd96e35-58ef-4730-abdb-6e171a48443a/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 e8eac1f6ce4b453c986bcf223e7a999b8cc2242bbb25b7afe262387bc06640cd --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 18:46:18,952 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 18:46:19,051 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bd96e35-58ef-4730-abdb-6e171a48443a/bin/uautomizer-verify-jihMAELWvX/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2024-11-08 18:46:19,057 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 18:46:19,058 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-08 18:46:19,113 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 18:46:19,114 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-08 18:46:19,116 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-08 18:46:19,117 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-08 18:46:19,118 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-08 18:46:19,118 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 18:46:19,119 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-08 18:46:19,120 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 18:46:19,124 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 18:46:19,125 INFO L153 SettingsManager]: * Use SBE=true [2024-11-08 18:46:19,125 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 18:46:19,126 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 18:46:19,126 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-08 18:46:19,127 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-08 18:46:19,127 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 18:46:19,128 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 18:46:19,132 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 18:46:19,133 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 18:46:19,133 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-08 18:46:19,134 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-08 18:46:19,134 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 18:46:19,135 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-08 18:46:19,135 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-08 18:46:19,135 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 18:46:19,138 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 18:46:19,139 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 18:46:19,139 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-08 18:46:19,140 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-08 18:46:19,141 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-08 18:46:19,142 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-08 18:46:19,142 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 18:46:19,143 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 18:46:19,143 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 18:46:19,144 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2024-11-08 18:46:19,145 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-08 18:46:19,145 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-08 18:46:19,146 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-08 18:46:19,146 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-08 18:46:19,146 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-08 18:46:19,147 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_3bd96e35-58ef-4730-abdb-6e171a48443a/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bd96e35-58ef-4730-abdb-6e171a48443a/bin/uautomizer-verify-jihMAELWvX Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e8eac1f6ce4b453c986bcf223e7a999b8cc2242bbb25b7afe262387bc06640cd [2024-11-08 18:46:19,626 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 18:46:19,659 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 18:46:19,664 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 18:46:19,666 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 18:46:19,667 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 18:46:19,668 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bd96e35-58ef-4730-abdb-6e171a48443a/bin/uautomizer-verify-jihMAELWvX/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-74.i Unable to find full path for "g++" [2024-11-08 18:46:22,373 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 18:46:22,752 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 18:46:22,756 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bd96e35-58ef-4730-abdb-6e171a48443a/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-74.i [2024-11-08 18:46:22,774 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bd96e35-58ef-4730-abdb-6e171a48443a/bin/uautomizer-verify-jihMAELWvX/data/9edd383ab/753445a4e53044a49a2dd834336ae57a/FLAG3b8ebf688 [2024-11-08 18:46:22,984 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bd96e35-58ef-4730-abdb-6e171a48443a/bin/uautomizer-verify-jihMAELWvX/data/9edd383ab/753445a4e53044a49a2dd834336ae57a [2024-11-08 18:46:22,987 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 18:46:22,989 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 18:46:22,995 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 18:46:22,995 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 18:46:23,003 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 18:46:23,005 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 06:46:22" (1/1) ... [2024-11-08 18:46:23,006 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@37e802c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:46:23, skipping insertion in model container [2024-11-08 18:46:23,007 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 06:46:22" (1/1) ... [2024-11-08 18:46:23,047 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 18:46:23,288 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_3bd96e35-58ef-4730-abdb-6e171a48443a/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-74.i[916,929] [2024-11-08 18:46:23,395 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 18:46:23,434 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 18:46:23,458 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_3bd96e35-58ef-4730-abdb-6e171a48443a/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-74.i[916,929] [2024-11-08 18:46:23,570 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 18:46:23,614 INFO L204 MainTranslator]: Completed translation [2024-11-08 18:46:23,615 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:46:23 WrapperNode [2024-11-08 18:46:23,616 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 18:46:23,617 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 18:46:23,617 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 18:46:23,617 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 18:46:23,626 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:46:23" (1/1) ... [2024-11-08 18:46:23,662 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:46:23" (1/1) ... [2024-11-08 18:46:23,723 INFO L138 Inliner]: procedures = 34, calls = 181, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 576 [2024-11-08 18:46:23,724 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 18:46:23,724 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 18:46:23,725 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 18:46:23,725 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 18:46:23,743 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:46:23" (1/1) ... [2024-11-08 18:46:23,744 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:46:23" (1/1) ... [2024-11-08 18:46:23,757 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:46:23" (1/1) ... [2024-11-08 18:46:23,805 INFO L175 MemorySlicer]: Split 153 memory accesses to 2 slices as follows [2, 151]. 99 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2, 0]. The 35 writes are split as follows [0, 35]. [2024-11-08 18:46:23,806 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:46:23" (1/1) ... [2024-11-08 18:46:23,810 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:46:23" (1/1) ... [2024-11-08 18:46:23,860 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:46:23" (1/1) ... [2024-11-08 18:46:23,869 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:46:23" (1/1) ... [2024-11-08 18:46:23,876 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:46:23" (1/1) ... [2024-11-08 18:46:23,883 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:46:23" (1/1) ... [2024-11-08 18:46:23,893 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 18:46:23,894 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 18:46:23,895 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 18:46:23,895 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 18:46:23,896 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:46:23" (1/1) ... [2024-11-08 18:46:23,903 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-08 18:46:23,928 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bd96e35-58ef-4730-abdb-6e171a48443a/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 18:46:23,947 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bd96e35-58ef-4730-abdb-6e171a48443a/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-08 18:46:23,956 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bd96e35-58ef-4730-abdb-6e171a48443a/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-08 18:46:23,995 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 18:46:23,996 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#0 [2024-11-08 18:46:23,996 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#1 [2024-11-08 18:46:23,996 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE8#0 [2024-11-08 18:46:23,997 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE8#1 [2024-11-08 18:46:23,999 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#0 [2024-11-08 18:46:23,999 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#1 [2024-11-08 18:46:23,999 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#0 [2024-11-08 18:46:24,000 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#1 [2024-11-08 18:46:24,001 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-08 18:46:24,001 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#1 [2024-11-08 18:46:24,001 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#0 [2024-11-08 18:46:24,001 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#1 [2024-11-08 18:46:24,002 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#0 [2024-11-08 18:46:24,002 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#1 [2024-11-08 18:46:24,002 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#0 [2024-11-08 18:46:24,002 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#1 [2024-11-08 18:46:24,002 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-08 18:46:24,003 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-08 18:46:24,003 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 18:46:24,003 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 18:46:24,003 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#0 [2024-11-08 18:46:24,004 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#1 [2024-11-08 18:46:24,006 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#0 [2024-11-08 18:46:24,006 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#1 [2024-11-08 18:46:24,237 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 18:46:24,240 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 18:46:27,231 INFO L? ?]: Removed 158 outVars from TransFormulas that were not future-live. [2024-11-08 18:46:27,232 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 18:46:27,262 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 18:46:27,263 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-08 18:46:27,265 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 06:46:27 BoogieIcfgContainer [2024-11-08 18:46:27,265 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 18:46:27,267 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-08 18:46:27,269 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-08 18:46:27,273 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-08 18:46:27,273 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.11 06:46:22" (1/3) ... [2024-11-08 18:46:27,274 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7ac6a269 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 06:46:27, skipping insertion in model container [2024-11-08 18:46:27,275 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:46:23" (2/3) ... [2024-11-08 18:46:27,275 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7ac6a269 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 06:46:27, skipping insertion in model container [2024-11-08 18:46:27,275 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 06:46:27" (3/3) ... [2024-11-08 18:46:27,278 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_wrapper-s_file-74.i [2024-11-08 18:46:27,301 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-08 18:46:27,301 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-08 18:46:27,386 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-08 18:46:27,394 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;@532541d3, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-08 18:46:27,395 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-08 18:46:27,400 INFO L276 IsEmpty]: Start isEmpty. Operand has 125 states, 105 states have (on average 1.438095238095238) internal successors, (151), 106 states have internal predecessors, (151), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2024-11-08 18:46:27,437 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2024-11-08 18:46:27,438 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 18:46:27,440 INFO L215 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 18:46:27,441 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 18:46:27,451 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 18:46:27,452 INFO L85 PathProgramCache]: Analyzing trace with hash -703132279, now seen corresponding path program 1 times [2024-11-08 18:46:27,505 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-08 18:46:27,509 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [507574980] [2024-11-08 18:46:27,510 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 18:46:27,510 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 18:46:27,510 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bd96e35-58ef-4730-abdb-6e171a48443a/bin/uautomizer-verify-jihMAELWvX/mathsat [2024-11-08 18:46:27,516 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bd96e35-58ef-4730-abdb-6e171a48443a/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 18:46:27,537 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bd96e35-58ef-4730-abdb-6e171a48443a/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 18:46:28,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:46:28,371 INFO L255 TraceCheckSpWp]: Trace formula consists of 327 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-08 18:46:28,398 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 18:46:28,446 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 272 proven. 0 refuted. 0 times theorem prover too weak. 272 trivial. 0 not checked. [2024-11-08 18:46:28,447 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-08 18:46:28,447 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-08 18:46:28,448 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [507574980] [2024-11-08 18:46:28,449 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [507574980] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 18:46:28,449 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 18:46:28,450 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-08 18:46:28,452 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [489913856] [2024-11-08 18:46:28,453 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 18:46:28,462 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-08 18:46:28,462 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-08 18:46:28,500 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-08 18:46:28,501 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-08 18:46:28,505 INFO L87 Difference]: Start difference. First operand has 125 states, 105 states have (on average 1.438095238095238) internal successors, (151), 106 states have internal predecessors, (151), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) Second operand has 2 states, 2 states have (on average 36.0) internal successors, (72), 2 states have internal predecessors, (72), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2024-11-08 18:46:28,577 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 18:46:28,577 INFO L93 Difference]: Finished difference Result 243 states and 381 transitions. [2024-11-08 18:46:28,579 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-08 18:46:28,581 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 36.0) internal successors, (72), 2 states have internal predecessors, (72), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) Word has length 150 [2024-11-08 18:46:28,582 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 18:46:28,595 INFO L225 Difference]: With dead ends: 243 [2024-11-08 18:46:28,596 INFO L226 Difference]: Without dead ends: 121 [2024-11-08 18:46:28,602 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 149 GetRequests, 149 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 18:46:28,608 INFO L432 NwaCegarLoop]: 178 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, 178 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 18:46:28,610 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 178 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-08 18:46:28,633 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 121 states. [2024-11-08 18:46:28,663 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 121 to 121. [2024-11-08 18:46:28,666 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 121 states, 102 states have (on average 1.411764705882353) internal successors, (144), 102 states have internal predecessors, (144), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2024-11-08 18:46:28,672 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 121 states and 178 transitions. [2024-11-08 18:46:28,674 INFO L78 Accepts]: Start accepts. Automaton has 121 states and 178 transitions. Word has length 150 [2024-11-08 18:46:28,677 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 18:46:28,678 INFO L471 AbstractCegarLoop]: Abstraction has 121 states and 178 transitions. [2024-11-08 18:46:28,678 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 36.0) internal successors, (72), 2 states have internal predecessors, (72), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2024-11-08 18:46:28,679 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 178 transitions. [2024-11-08 18:46:28,687 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2024-11-08 18:46:28,687 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 18:46:28,688 INFO L215 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 18:46:28,703 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bd96e35-58ef-4730-abdb-6e171a48443a/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 18:46:28,889 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bd96e35-58ef-4730-abdb-6e171a48443a/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 18:46:28,890 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 18:46:28,891 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 18:46:28,891 INFO L85 PathProgramCache]: Analyzing trace with hash 14923215, now seen corresponding path program 1 times [2024-11-08 18:46:28,893 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-08 18:46:28,893 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [890854934] [2024-11-08 18:46:28,894 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 18:46:28,894 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 18:46:28,894 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bd96e35-58ef-4730-abdb-6e171a48443a/bin/uautomizer-verify-jihMAELWvX/mathsat [2024-11-08 18:46:28,898 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bd96e35-58ef-4730-abdb-6e171a48443a/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 18:46:28,901 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bd96e35-58ef-4730-abdb-6e171a48443a/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 18:46:29,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:46:29,637 INFO L255 TraceCheckSpWp]: Trace formula consists of 327 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-08 18:46:29,644 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 18:46:29,752 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 64 proven. 0 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2024-11-08 18:46:29,752 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-08 18:46:29,755 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-08 18:46:29,755 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [890854934] [2024-11-08 18:46:29,756 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [890854934] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 18:46:29,756 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 18:46:29,756 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-08 18:46:29,757 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [135775173] [2024-11-08 18:46:29,757 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 18:46:29,761 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-08 18:46:29,761 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-08 18:46:29,762 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-08 18:46:29,763 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-08 18:46:29,764 INFO L87 Difference]: Start difference. First operand 121 states and 178 transitions. Second operand has 4 states, 4 states have (on average 17.75) internal successors, (71), 4 states have internal predecessors, (71), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2024-11-08 18:46:29,899 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 18:46:29,907 INFO L93 Difference]: Finished difference Result 241 states and 356 transitions. [2024-11-08 18:46:29,908 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-08 18:46:29,908 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 17.75) internal successors, (71), 4 states have internal predecessors, (71), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) Word has length 150 [2024-11-08 18:46:29,909 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 18:46:29,910 INFO L225 Difference]: With dead ends: 241 [2024-11-08 18:46:29,910 INFO L226 Difference]: Without dead ends: 123 [2024-11-08 18:46:29,912 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 149 GetRequests, 147 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 18:46:29,913 INFO L432 NwaCegarLoop]: 176 mSDtfsCounter, 0 mSDsluCounter, 341 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 517 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-08 18:46:29,914 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 517 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-08 18:46:29,916 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 123 states. [2024-11-08 18:46:29,938 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 123 to 123. [2024-11-08 18:46:29,943 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 123 states, 104 states have (on average 1.4038461538461537) internal successors, (146), 104 states have internal predecessors, (146), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2024-11-08 18:46:29,945 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 123 states and 180 transitions. [2024-11-08 18:46:29,945 INFO L78 Accepts]: Start accepts. Automaton has 123 states and 180 transitions. Word has length 150 [2024-11-08 18:46:29,947 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 18:46:29,951 INFO L471 AbstractCegarLoop]: Abstraction has 123 states and 180 transitions. [2024-11-08 18:46:29,951 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 17.75) internal successors, (71), 4 states have internal predecessors, (71), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2024-11-08 18:46:29,952 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 180 transitions. [2024-11-08 18:46:29,954 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2024-11-08 18:46:29,954 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 18:46:29,958 INFO L215 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 18:46:29,974 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bd96e35-58ef-4730-abdb-6e171a48443a/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)] Ended with exit code 0 [2024-11-08 18:46:30,158 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bd96e35-58ef-4730-abdb-6e171a48443a/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 18:46:30,159 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 18:46:30,160 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 18:46:30,160 INFO L85 PathProgramCache]: Analyzing trace with hash -402965487, now seen corresponding path program 1 times [2024-11-08 18:46:30,161 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-08 18:46:30,161 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [608219617] [2024-11-08 18:46:30,162 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 18:46:30,162 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 18:46:30,162 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bd96e35-58ef-4730-abdb-6e171a48443a/bin/uautomizer-verify-jihMAELWvX/mathsat [2024-11-08 18:46:30,166 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bd96e35-58ef-4730-abdb-6e171a48443a/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 18:46:30,177 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bd96e35-58ef-4730-abdb-6e171a48443a/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 18:46:31,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:46:31,109 INFO L255 TraceCheckSpWp]: Trace formula consists of 329 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 18:46:31,119 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 18:46:31,198 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-11-08 18:46:31,221 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 17 treesize of output 17 [2024-11-08 18:46:31,380 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-08 18:46:31,381 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 30 treesize of output 10 [2024-11-08 18:46:31,461 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2024-11-08 18:46:31,464 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-08 18:46:31,465 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-08 18:46:31,465 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [608219617] [2024-11-08 18:46:31,465 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [608219617] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 18:46:31,466 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 18:46:31,466 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-08 18:46:31,466 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1301065963] [2024-11-08 18:46:31,466 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 18:46:31,467 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-08 18:46:31,467 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-08 18:46:31,471 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-08 18:46:31,471 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-11-08 18:46:31,472 INFO L87 Difference]: Start difference. First operand 123 states and 180 transitions. Second operand has 7 states, 7 states have (on average 9.714285714285714) internal successors, (68), 7 states have internal predecessors, (68), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-08 18:46:33,692 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.22s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-08 18:46:36,578 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 18:46:36,582 INFO L93 Difference]: Finished difference Result 315 states and 459 transitions. [2024-11-08 18:46:36,583 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-08 18:46:36,583 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 9.714285714285714) internal successors, (68), 7 states have internal predecessors, (68), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 150 [2024-11-08 18:46:36,584 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 18:46:36,586 INFO L225 Difference]: With dead ends: 315 [2024-11-08 18:46:36,586 INFO L226 Difference]: Without dead ends: 195 [2024-11-08 18:46:36,591 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 152 GetRequests, 144 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2024-11-08 18:46:36,593 INFO L432 NwaCegarLoop]: 180 mSDtfsCounter, 90 mSDsluCounter, 657 mSDsCounter, 0 mSdLazyCounter, 342 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 90 SdHoareTripleChecker+Valid, 837 SdHoareTripleChecker+Invalid, 347 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 342 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.0s IncrementalHoareTripleChecker+Time [2024-11-08 18:46:36,597 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [90 Valid, 837 Invalid, 347 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 342 Invalid, 0 Unknown, 0 Unchecked, 5.0s Time] [2024-11-08 18:46:36,599 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 195 states. [2024-11-08 18:46:36,622 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 195 to 192. [2024-11-08 18:46:36,623 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 192 states, 168 states have (on average 1.4107142857142858) internal successors, (237), 169 states have internal predecessors, (237), 21 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (21), 20 states have call predecessors, (21), 21 states have call successors, (21) [2024-11-08 18:46:36,626 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 192 states to 192 states and 279 transitions. [2024-11-08 18:46:36,626 INFO L78 Accepts]: Start accepts. Automaton has 192 states and 279 transitions. Word has length 150 [2024-11-08 18:46:36,627 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 18:46:36,628 INFO L471 AbstractCegarLoop]: Abstraction has 192 states and 279 transitions. [2024-11-08 18:46:36,628 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 9.714285714285714) internal successors, (68), 7 states have internal predecessors, (68), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-08 18:46:36,629 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 279 transitions. [2024-11-08 18:46:36,632 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2024-11-08 18:46:36,632 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 18:46:36,633 INFO L215 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 18:46:36,653 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bd96e35-58ef-4730-abdb-6e171a48443a/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 18:46:36,837 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bd96e35-58ef-4730-abdb-6e171a48443a/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 18:46:36,838 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 18:46:36,838 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 18:46:36,839 INFO L85 PathProgramCache]: Analyzing trace with hash -795992497, now seen corresponding path program 1 times [2024-11-08 18:46:36,840 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-08 18:46:36,840 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1601666971] [2024-11-08 18:46:36,841 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 18:46:36,841 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-08 18:46:36,841 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bd96e35-58ef-4730-abdb-6e171a48443a/bin/uautomizer-verify-jihMAELWvX/mathsat [2024-11-08 18:46:36,846 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bd96e35-58ef-4730-abdb-6e171a48443a/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 18:46:36,850 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bd96e35-58ef-4730-abdb-6e171a48443a/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 18:46:38,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:46:38,733 INFO L255 TraceCheckSpWp]: Trace formula consists of 330 conjuncts, 54 conjuncts are in the unsatisfiable core [2024-11-08 18:46:38,748 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 18:46:38,833 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-11-08 18:46:39,643 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 6 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 138 treesize of output 69 [2024-11-08 18:46:41,775 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-08 18:46:41,776 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 260 treesize of output 131 [2024-11-08 18:46:47,214 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 21 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 270 treesize of output 144 [2024-11-08 18:46:50,715 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-08 18:46:50,715 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 386 treesize of output 196 [2024-11-08 18:46:52,955 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-08 18:46:52,955 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 386 treesize of output 196 [2024-11-08 18:46:55,052 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-08 18:46:55,053 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 386 treesize of output 196 [2024-11-08 18:46:57,335 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-08 18:46:57,336 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 386 treesize of output 196 [2024-11-08 18:46:59,445 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-08 18:46:59,445 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 392 treesize of output 206 [2024-11-08 18:47:05,212 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-08 18:47:05,217 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 0 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 28 case distinctions, treesize of input 331 treesize of output 231 [2024-11-08 18:47:07,592 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-08 18:47:07,594 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 346 treesize of output 234 [2024-11-08 18:47:09,676 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-08 18:47:09,676 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 346 treesize of output 234 [2024-11-08 18:47:10,127 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-08 18:47:10,128 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 10 select indices, 10 select index equivalence classes, 0 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 45 case distinctions, treesize of input 348 treesize of output 254 [2024-11-08 18:47:13,788 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-08 18:47:13,789 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 11 select indices, 11 select index equivalence classes, 0 disjoint index pairs (out of 55 index pairs), introduced 11 new quantified variables, introduced 55 case distinctions, treesize of input 499 treesize of output 187 [2024-11-08 18:47:15,566 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 376 proven. 0 refuted. 0 times theorem prover too weak. 168 trivial. 0 not checked. [2024-11-08 18:47:15,566 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-08 18:47:15,567 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-08 18:47:15,567 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1601666971] [2024-11-08 18:47:15,567 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1601666971] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 18:47:15,567 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 18:47:15,568 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [21] imperfect sequences [] total 21 [2024-11-08 18:47:15,568 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [364619227] [2024-11-08 18:47:15,568 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 18:47:15,569 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2024-11-08 18:47:15,569 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-08 18:47:15,570 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2024-11-08 18:47:15,571 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=107, Invalid=353, Unknown=2, NotChecked=0, Total=462 [2024-11-08 18:47:15,572 INFO L87 Difference]: Start difference. First operand 192 states and 279 transitions. Second operand has 22 states, 22 states have (on average 3.772727272727273) internal successors, (83), 21 states have internal predecessors, (83), 6 states have call successors, (17), 6 states have call predecessors, (17), 6 states have return successors, (17), 6 states have call predecessors, (17), 6 states have call successors, (17) [2024-11-08 18:47:16,703 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.13s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-08 18:47:19,134 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.43s 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 18:47:20,192 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.06s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-08 18:47:21,418 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.23s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-08 18:47:27,232 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-08 18:47:35,892 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-08 18:47:39,961 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-08 18:47:43,981 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-08 18:47:47,994 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-08 18:47:52,081 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-08 18:47:57,355 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-08 18:48:05,903 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-08 18:48:10,115 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-08 18:48:14,146 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-08 18:48:18,160 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-08 18:48:22,186 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-08 18:48:26,278 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-08 18:48:30,400 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-08 18:48:34,793 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-08 18:48:38,897 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-08 18:48:43,001 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-08 18:48:47,400 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-08 18:48:51,510 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-08 18:48:55,708 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-08 18:49:00,101 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-08 18:49:04,243 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-08 18:49:08,337 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-08 18:49:12,642 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-08 18:49:16,761 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-08 18:49:20,894 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-08 18:49:25,335 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-08 18:49:29,485 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-08 18:49:33,591 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-08 18:49:37,844 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-08 18:49:41,968 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-08 18:49:46,090 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-08 18:49:50,404 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-08 18:49:54,508 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-08 18:49:58,618 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-08 18:50:02,857 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-08 18:50:32,928 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 18:50:32,928 INFO L93 Difference]: Finished difference Result 959 states and 1379 transitions. [2024-11-08 18:50:32,930 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-11-08 18:50:32,930 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 22 states have (on average 3.772727272727273) internal successors, (83), 21 states have internal predecessors, (83), 6 states have call successors, (17), 6 states have call predecessors, (17), 6 states have return successors, (17), 6 states have call predecessors, (17), 6 states have call successors, (17) Word has length 150 [2024-11-08 18:50:32,931 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 18:50:32,937 INFO L225 Difference]: With dead ends: 959 [2024-11-08 18:50:32,937 INFO L226 Difference]: Without dead ends: 770 [2024-11-08 18:50:32,938 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 153 GetRequests, 127 SyntacticMatches, 2 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 38 ImplicationChecksByTransitivity, 26.3s TimeCoverageRelationStatistics Valid=138, Invalid=508, Unknown=4, NotChecked=0, Total=650 [2024-11-08 18:50:32,942 INFO L432 NwaCegarLoop]: 113 mSDtfsCounter, 934 mSDsluCounter, 1046 mSDsCounter, 0 mSdLazyCounter, 2435 mSolverCounterSat, 158 mSolverCounterUnsat, 37 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 185.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 934 SdHoareTripleChecker+Valid, 1159 SdHoareTripleChecker+Invalid, 2630 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 158 IncrementalHoareTripleChecker+Valid, 2435 IncrementalHoareTripleChecker+Invalid, 37 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 187.3s IncrementalHoareTripleChecker+Time [2024-11-08 18:50:32,943 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [934 Valid, 1159 Invalid, 2630 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [158 Valid, 2435 Invalid, 37 Unknown, 0 Unchecked, 187.3s Time] [2024-11-08 18:50:32,946 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 770 states. [2024-11-08 18:50:33,028 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 770 to 431. [2024-11-08 18:50:33,029 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 431 states, 342 states have (on average 1.3538011695906433) internal successors, (463), 348 states have internal predecessors, (463), 76 states have call successors, (76), 12 states have call predecessors, (76), 12 states have return successors, (76), 70 states have call predecessors, (76), 76 states have call successors, (76) [2024-11-08 18:50:33,033 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 431 states to 431 states and 615 transitions. [2024-11-08 18:50:33,034 INFO L78 Accepts]: Start accepts. Automaton has 431 states and 615 transitions. Word has length 150 [2024-11-08 18:50:33,035 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 18:50:33,035 INFO L471 AbstractCegarLoop]: Abstraction has 431 states and 615 transitions. [2024-11-08 18:50:33,035 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 22 states have (on average 3.772727272727273) internal successors, (83), 21 states have internal predecessors, (83), 6 states have call successors, (17), 6 states have call predecessors, (17), 6 states have return successors, (17), 6 states have call predecessors, (17), 6 states have call successors, (17) [2024-11-08 18:50:33,035 INFO L276 IsEmpty]: Start isEmpty. Operand 431 states and 615 transitions. [2024-11-08 18:50:33,039 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2024-11-08 18:50:33,039 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 18:50:33,040 INFO L215 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 18:50:33,058 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bd96e35-58ef-4730-abdb-6e171a48443a/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 18:50:33,240 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bd96e35-58ef-4730-abdb-6e171a48443a/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 18:50:33,240 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 18:50:33,241 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 18:50:33,241 INFO L85 PathProgramCache]: Analyzing trace with hash -577137779, now seen corresponding path program 1 times [2024-11-08 18:50:33,241 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-08 18:50:33,241 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1780701731] [2024-11-08 18:50:33,241 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 18:50:33,242 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 18:50:33,242 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bd96e35-58ef-4730-abdb-6e171a48443a/bin/uautomizer-verify-jihMAELWvX/mathsat [2024-11-08 18:50:33,243 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bd96e35-58ef-4730-abdb-6e171a48443a/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 18:50:33,244 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bd96e35-58ef-4730-abdb-6e171a48443a/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 18:50:33,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:50:33,960 INFO L255 TraceCheckSpWp]: Trace formula consists of 330 conjuncts, 48 conjuncts are in the unsatisfiable core [2024-11-08 18:50:33,968 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 18:50:34,047 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 21 [2024-11-08 18:50:34,861 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 6 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 158 treesize of output 77 [2024-11-08 18:50:36,238 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-08 18:50:36,239 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 162 treesize of output 89 [2024-11-08 18:50:37,308 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-08 18:50:37,309 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 162 treesize of output 89 [2024-11-08 18:50:38,222 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-08 18:50:38,222 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 162 treesize of output 89 [2024-11-08 18:50:39,146 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-08 18:50:39,147 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 162 treesize of output 89 [2024-11-08 18:50:40,162 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-08 18:50:40,163 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 173 treesize of output 89 [2024-11-08 18:50:40,989 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-08 18:50:40,990 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 162 treesize of output 89 [2024-11-08 18:50:41,899 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-08 18:50:41,899 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 157 treesize of output 99 [2024-11-08 18:50:43,392 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-08 18:50:43,392 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 172 treesize of output 102 [2024-11-08 18:50:43,619 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-08 18:50:43,620 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 174 treesize of output 113 [2024-11-08 18:50:45,491 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-08 18:50:45,491 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 211 treesize of output 144 [2024-11-08 18:50:46,798 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-08 18:50:46,799 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 8 select indices, 8 select index equivalence classes, 0 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 28 case distinctions, treesize of input 294 treesize of output 110 [2024-11-08 18:50:47,148 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 104 proven. 168 refuted. 0 times theorem prover too weak. 272 trivial. 0 not checked. [2024-11-08 18:50:47,148 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-08 18:50:49,301 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2024-11-08 18:50:49,302 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-08 18:50:49,302 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1780701731] [2024-11-08 18:50:49,302 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1780701731] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-08 18:50:49,302 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-08 18:50:49,302 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [18] total 24 [2024-11-08 18:50:49,303 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [648296630] [2024-11-08 18:50:49,303 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 18:50:49,305 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-08 18:50:49,305 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-08 18:50:49,306 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-08 18:50:49,306 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=89, Invalid=463, Unknown=0, NotChecked=0, Total=552 [2024-11-08 18:50:49,306 INFO L87 Difference]: Start difference. First operand 431 states and 615 transitions. Second operand has 7 states, 7 states have (on average 9.714285714285714) internal successors, (68), 7 states have internal predecessors, (68), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-08 18:50:51,143 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.31s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-08 18:51:01,911 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 18:51:01,911 INFO L93 Difference]: Finished difference Result 1027 states and 1454 transitions. [2024-11-08 18:51:01,914 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-08 18:51:01,914 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 9.714285714285714) internal successors, (68), 7 states have internal predecessors, (68), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 150 [2024-11-08 18:51:01,915 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 18:51:01,926 INFO L225 Difference]: With dead ends: 1027 [2024-11-08 18:51:01,927 INFO L226 Difference]: Without dead ends: 599 [2024-11-08 18:51:01,929 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 301 GetRequests, 271 SyntacticMatches, 5 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 199 ImplicationChecksByTransitivity, 6.3s TimeCoverageRelationStatistics Valid=115, Invalid=587, Unknown=0, NotChecked=0, Total=702 [2024-11-08 18:51:01,932 INFO L432 NwaCegarLoop]: 165 mSDtfsCounter, 207 mSDsluCounter, 434 mSDsCounter, 0 mSdLazyCounter, 388 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 207 SdHoareTripleChecker+Valid, 599 SdHoareTripleChecker+Invalid, 408 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 388 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.0s IncrementalHoareTripleChecker+Time [2024-11-08 18:51:01,933 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [207 Valid, 599 Invalid, 408 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 388 Invalid, 0 Unknown, 0 Unchecked, 12.0s Time] [2024-11-08 18:51:01,935 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 599 states. [2024-11-08 18:51:02,037 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 599 to 581. [2024-11-08 18:51:02,038 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 581 states, 480 states have (on average 1.3645833333333333) internal successors, (655), 490 states have internal predecessors, (655), 84 states have call successors, (84), 16 states have call predecessors, (84), 16 states have return successors, (84), 74 states have call predecessors, (84), 84 states have call successors, (84) [2024-11-08 18:51:02,043 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 581 states to 581 states and 823 transitions. [2024-11-08 18:51:02,044 INFO L78 Accepts]: Start accepts. Automaton has 581 states and 823 transitions. Word has length 150 [2024-11-08 18:51:02,045 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 18:51:02,045 INFO L471 AbstractCegarLoop]: Abstraction has 581 states and 823 transitions. [2024-11-08 18:51:02,046 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 9.714285714285714) internal successors, (68), 7 states have internal predecessors, (68), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-08 18:51:02,046 INFO L276 IsEmpty]: Start isEmpty. Operand 581 states and 823 transitions. [2024-11-08 18:51:02,050 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2024-11-08 18:51:02,050 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 18:51:02,050 INFO L215 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 18:51:02,070 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bd96e35-58ef-4730-abdb-6e171a48443a/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 18:51:02,251 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bd96e35-58ef-4730-abdb-6e171a48443a/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 18:51:02,252 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 18:51:02,252 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 18:51:02,252 INFO L85 PathProgramCache]: Analyzing trace with hash -1568547242, now seen corresponding path program 1 times [2024-11-08 18:51:02,253 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-08 18:51:02,253 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2147455776] [2024-11-08 18:51:02,253 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 18:51:02,253 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 18:51:02,254 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bd96e35-58ef-4730-abdb-6e171a48443a/bin/uautomizer-verify-jihMAELWvX/mathsat [2024-11-08 18:51:02,255 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bd96e35-58ef-4730-abdb-6e171a48443a/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 18:51:02,256 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bd96e35-58ef-4730-abdb-6e171a48443a/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 18:51:03,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:51:03,208 INFO L255 TraceCheckSpWp]: Trace formula consists of 329 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 18:51:03,213 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 18:51:03,227 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-11-08 18:51:03,233 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 17 treesize of output 17 [2024-11-08 18:51:03,344 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2024-11-08 18:51:03,344 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-08 18:51:03,344 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-08 18:51:03,344 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2147455776] [2024-11-08 18:51:03,345 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2147455776] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 18:51:03,345 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 18:51:03,345 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-08 18:51:03,345 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1604787915] [2024-11-08 18:51:03,345 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 18:51:03,346 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-08 18:51:03,346 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-08 18:51:03,347 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-08 18:51:03,347 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-08 18:51:03,347 INFO L87 Difference]: Start difference. First operand 581 states and 823 transitions. Second operand has 6 states, 6 states have (on average 11.333333333333334) internal successors, (68), 6 states have internal predecessors, (68), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-08 18:51:04,810 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.46s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-08 18:51:07,520 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 18:51:07,521 INFO L93 Difference]: Finished difference Result 1171 states and 1656 transitions. [2024-11-08 18:51:07,522 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-08 18:51:07,522 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 11.333333333333334) internal successors, (68), 6 states have internal predecessors, (68), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 150 [2024-11-08 18:51:07,523 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 18:51:07,527 INFO L225 Difference]: With dead ends: 1171 [2024-11-08 18:51:07,528 INFO L226 Difference]: Without dead ends: 593 [2024-11-08 18:51:07,529 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 152 GetRequests, 145 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2024-11-08 18:51:07,530 INFO L432 NwaCegarLoop]: 202 mSDtfsCounter, 88 mSDsluCounter, 674 mSDsCounter, 0 mSdLazyCounter, 299 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 88 SdHoareTripleChecker+Valid, 876 SdHoareTripleChecker+Invalid, 304 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 299 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.0s IncrementalHoareTripleChecker+Time [2024-11-08 18:51:07,531 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [88 Valid, 876 Invalid, 304 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 299 Invalid, 0 Unknown, 0 Unchecked, 4.0s Time] [2024-11-08 18:51:07,532 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 593 states. [2024-11-08 18:51:07,610 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 593 to 583. [2024-11-08 18:51:07,612 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 583 states, 482 states have (on average 1.3630705394190872) internal successors, (657), 492 states have internal predecessors, (657), 84 states have call successors, (84), 16 states have call predecessors, (84), 16 states have return successors, (84), 74 states have call predecessors, (84), 84 states have call successors, (84) [2024-11-08 18:51:07,616 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 583 states to 583 states and 825 transitions. [2024-11-08 18:51:07,617 INFO L78 Accepts]: Start accepts. Automaton has 583 states and 825 transitions. Word has length 150 [2024-11-08 18:51:07,621 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 18:51:07,621 INFO L471 AbstractCegarLoop]: Abstraction has 583 states and 825 transitions. [2024-11-08 18:51:07,621 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 11.333333333333334) internal successors, (68), 6 states have internal predecessors, (68), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-08 18:51:07,621 INFO L276 IsEmpty]: Start isEmpty. Operand 583 states and 825 transitions. [2024-11-08 18:51:07,625 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2024-11-08 18:51:07,625 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 18:51:07,627 INFO L215 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 18:51:07,647 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bd96e35-58ef-4730-abdb-6e171a48443a/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 18:51:07,828 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bd96e35-58ef-4730-abdb-6e171a48443a/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 18:51:07,829 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 18:51:07,829 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 18:51:07,829 INFO L85 PathProgramCache]: Analyzing trace with hash 796301714, now seen corresponding path program 1 times [2024-11-08 18:51:07,830 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-08 18:51:07,830 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [204182718] [2024-11-08 18:51:07,830 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 18:51:07,830 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 18:51:07,830 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bd96e35-58ef-4730-abdb-6e171a48443a/bin/uautomizer-verify-jihMAELWvX/mathsat [2024-11-08 18:51:07,833 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bd96e35-58ef-4730-abdb-6e171a48443a/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 18:51:07,835 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bd96e35-58ef-4730-abdb-6e171a48443a/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 18:51:09,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:51:09,096 INFO L255 TraceCheckSpWp]: Trace formula consists of 332 conjuncts, 78 conjuncts are in the unsatisfiable core [2024-11-08 18:51:09,107 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 18:51:09,174 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-11-08 18:51:09,739 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 6 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 138 treesize of output 69 [2024-11-08 18:51:11,290 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 15 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 260 treesize of output 131 [2024-11-08 18:51:14,092 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 28 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 357 treesize of output 189 [2024-11-08 18:51:17,933 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-08 18:51:17,934 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 0 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 28 case distinctions, treesize of input 458 treesize of output 247 [2024-11-08 18:51:20,498 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-08 18:51:20,499 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 0 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 28 case distinctions, treesize of input 458 treesize of output 247 [2024-11-08 18:51:22,777 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-08 18:51:22,778 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 0 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 28 case distinctions, treesize of input 458 treesize of output 247 [2024-11-08 18:51:25,021 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-08 18:51:25,021 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 0 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 28 case distinctions, treesize of input 458 treesize of output 247 [2024-11-08 18:51:27,156 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-08 18:51:27,156 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 0 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 28 case distinctions, treesize of input 469 treesize of output 247 [2024-11-08 18:51:29,148 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-08 18:51:29,149 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 0 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 28 case distinctions, treesize of input 453 treesize of output 257 [2024-11-08 18:51:31,637 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-08 18:51:31,638 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 438 treesize of output 266 [2024-11-08 18:51:34,057 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-08 18:51:34,057 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 438 treesize of output 266 [2024-11-08 18:51:34,517 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-08 18:51:34,517 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 10 select indices, 10 select index equivalence classes, 0 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 45 case distinctions, treesize of input 440 treesize of output 286 [2024-11-08 18:51:42,782 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-08 18:51:42,783 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 11 select indices, 11 select index equivalence classes, 0 disjoint index pairs (out of 55 index pairs), introduced 11 new quantified variables, introduced 55 case distinctions, treesize of input 512 treesize of output 278 [2024-11-08 18:51:52,939 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-08 18:51:52,940 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 11 select indices, 11 select index equivalence classes, 0 disjoint index pairs (out of 55 index pairs), introduced 11 new quantified variables, introduced 55 case distinctions, treesize of input 750 treesize of output 252 [2024-11-08 18:51:54,526 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 340 proven. 0 refuted. 0 times theorem prover too weak. 204 trivial. 0 not checked. [2024-11-08 18:51:54,527 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-08 18:51:54,527 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-08 18:51:54,527 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [204182718] [2024-11-08 18:51:54,527 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [204182718] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 18:51:54,528 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 18:51:54,528 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [30] imperfect sequences [] total 30 [2024-11-08 18:51:54,528 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1389512365] [2024-11-08 18:51:54,528 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 18:51:54,529 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 31 states [2024-11-08 18:51:54,529 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-08 18:51:54,530 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2024-11-08 18:51:54,531 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=182, Invalid=748, Unknown=0, NotChecked=0, Total=930 [2024-11-08 18:51:54,531 INFO L87 Difference]: Start difference. First operand 583 states and 825 transitions. Second operand has 31 states, 31 states have (on average 2.6129032258064515) internal successors, (81), 30 states have internal predecessors, (81), 5 states have call successors, (17), 5 states have call predecessors, (17), 5 states have return successors, (17), 5 states have call predecessors, (17), 5 states have call successors, (17) [2024-11-08 18:51:56,118 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.28s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-08 18:51:57,779 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.66s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-08 18:51:59,037 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.26s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-08 18:52:00,192 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.15s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-08 18:52:01,358 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.17s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-08 18:52:48,123 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 18:52:48,123 INFO L93 Difference]: Finished difference Result 2063 states and 2928 transitions. [2024-11-08 18:52:48,124 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2024-11-08 18:52:48,125 INFO L78 Accepts]: Start accepts. Automaton has has 31 states, 31 states have (on average 2.6129032258064515) internal successors, (81), 30 states have internal predecessors, (81), 5 states have call successors, (17), 5 states have call predecessors, (17), 5 states have return successors, (17), 5 states have call predecessors, (17), 5 states have call successors, (17) Word has length 151 [2024-11-08 18:52:48,125 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 18:52:48,133 INFO L225 Difference]: With dead ends: 2063 [2024-11-08 18:52:48,134 INFO L226 Difference]: Without dead ends: 1483 [2024-11-08 18:52:48,136 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 155 GetRequests, 119 SyntacticMatches, 2 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 99 ImplicationChecksByTransitivity, 23.4s TimeCoverageRelationStatistics Valid=219, Invalid=1041, Unknown=0, NotChecked=0, Total=1260 [2024-11-08 18:52:48,137 INFO L432 NwaCegarLoop]: 92 mSDtfsCounter, 1105 mSDsluCounter, 1087 mSDsCounter, 0 mSdLazyCounter, 3012 mSolverCounterSat, 142 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 48.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1105 SdHoareTripleChecker+Valid, 1179 SdHoareTripleChecker+Invalid, 3155 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 142 IncrementalHoareTripleChecker+Valid, 3012 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 50.8s IncrementalHoareTripleChecker+Time [2024-11-08 18:52:48,137 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1105 Valid, 1179 Invalid, 3155 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [142 Valid, 3012 Invalid, 1 Unknown, 0 Unchecked, 50.8s Time] [2024-11-08 18:52:48,140 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1483 states. [2024-11-08 18:52:48,264 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1483 to 735. [2024-11-08 18:52:48,266 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 735 states, 596 states have (on average 1.3389261744966443) internal successors, (798), 609 states have internal predecessors, (798), 116 states have call successors, (116), 22 states have call predecessors, (116), 22 states have return successors, (116), 103 states have call predecessors, (116), 116 states have call successors, (116) [2024-11-08 18:52:48,270 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 735 states to 735 states and 1030 transitions. [2024-11-08 18:52:48,271 INFO L78 Accepts]: Start accepts. Automaton has 735 states and 1030 transitions. Word has length 151 [2024-11-08 18:52:48,272 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 18:52:48,272 INFO L471 AbstractCegarLoop]: Abstraction has 735 states and 1030 transitions. [2024-11-08 18:52:48,273 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 31 states, 31 states have (on average 2.6129032258064515) internal successors, (81), 30 states have internal predecessors, (81), 5 states have call successors, (17), 5 states have call predecessors, (17), 5 states have return successors, (17), 5 states have call predecessors, (17), 5 states have call successors, (17) [2024-11-08 18:52:48,273 INFO L276 IsEmpty]: Start isEmpty. Operand 735 states and 1030 transitions. [2024-11-08 18:52:48,277 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2024-11-08 18:52:48,277 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 18:52:48,277 INFO L215 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 18:52:48,296 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bd96e35-58ef-4730-abdb-6e171a48443a/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)] Ended with exit code 0 [2024-11-08 18:52:48,478 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bd96e35-58ef-4730-abdb-6e171a48443a/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 18:52:48,478 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 18:52:48,479 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 18:52:48,479 INFO L85 PathProgramCache]: Analyzing trace with hash 926571937, now seen corresponding path program 1 times [2024-11-08 18:52:48,479 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-08 18:52:48,479 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1404458301] [2024-11-08 18:52:48,480 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 18:52:48,480 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 18:52:48,480 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bd96e35-58ef-4730-abdb-6e171a48443a/bin/uautomizer-verify-jihMAELWvX/mathsat [2024-11-08 18:52:48,481 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bd96e35-58ef-4730-abdb-6e171a48443a/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 18:52:48,482 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bd96e35-58ef-4730-abdb-6e171a48443a/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 (9)] Waiting until timeout for monitored process [2024-11-08 18:52:49,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:52:49,105 INFO L255 TraceCheckSpWp]: Trace formula consists of 331 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-08 18:52:49,110 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 18:52:49,122 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-11-08 18:52:49,159 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 17 treesize of output 17 [2024-11-08 18:52:49,258 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-08 18:52:49,258 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 30 treesize of output 10 [2024-11-08 18:52:49,338 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2024-11-08 18:52:49,338 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-08 18:52:49,338 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-08 18:52:49,338 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1404458301] [2024-11-08 18:52:49,338 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1404458301] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 18:52:49,338 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 18:52:49,338 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-08 18:52:49,339 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1714199150] [2024-11-08 18:52:49,339 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 18:52:49,339 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-08 18:52:49,339 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-08 18:52:49,340 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-08 18:52:49,340 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2024-11-08 18:52:49,341 INFO L87 Difference]: Start difference. First operand 735 states and 1030 transitions. Second operand has 8 states, 8 states have (on average 8.625) internal successors, (69), 8 states have internal predecessors, (69), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-08 18:52:51,003 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.66s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-08 18:52:52,508 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.50s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-08 18:52:53,988 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.48s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-08 18:52:58,269 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 18:52:58,269 INFO L93 Difference]: Finished difference Result 1638 states and 2286 transitions. [2024-11-08 18:52:58,270 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-08 18:52:58,270 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 8.625) internal successors, (69), 8 states have internal predecessors, (69), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 151 [2024-11-08 18:52:58,271 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 18:52:58,278 INFO L225 Difference]: With dead ends: 1638 [2024-11-08 18:52:58,278 INFO L226 Difference]: Without dead ends: 906 [2024-11-08 18:52:58,281 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 153 GetRequests, 144 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2024-11-08 18:52:58,283 INFO L432 NwaCegarLoop]: 180 mSDtfsCounter, 86 mSDsluCounter, 834 mSDsCounter, 0 mSdLazyCounter, 535 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 86 SdHoareTripleChecker+Valid, 1014 SdHoareTripleChecker+Invalid, 541 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 535 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.7s IncrementalHoareTripleChecker+Time [2024-11-08 18:52:58,283 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [86 Valid, 1014 Invalid, 541 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 535 Invalid, 0 Unknown, 0 Unchecked, 8.7s Time] [2024-11-08 18:52:58,287 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 906 states. [2024-11-08 18:52:58,389 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 906 to 753. [2024-11-08 18:52:58,391 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 753 states, 614 states have (on average 1.3387622149837133) internal successors, (822), 627 states have internal predecessors, (822), 116 states have call successors, (116), 22 states have call predecessors, (116), 22 states have return successors, (116), 103 states have call predecessors, (116), 116 states have call successors, (116) [2024-11-08 18:52:58,395 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 753 states to 753 states and 1054 transitions. [2024-11-08 18:52:58,396 INFO L78 Accepts]: Start accepts. Automaton has 753 states and 1054 transitions. Word has length 151 [2024-11-08 18:52:58,396 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 18:52:58,397 INFO L471 AbstractCegarLoop]: Abstraction has 753 states and 1054 transitions. [2024-11-08 18:52:58,397 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 8.625) internal successors, (69), 8 states have internal predecessors, (69), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-08 18:52:58,397 INFO L276 IsEmpty]: Start isEmpty. Operand 753 states and 1054 transitions. [2024-11-08 18:52:58,400 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2024-11-08 18:52:58,401 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 18:52:58,401 INFO L215 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 18:52:58,417 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bd96e35-58ef-4730-abdb-6e171a48443a/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 (9)] Ended with exit code 0 [2024-11-08 18:52:58,605 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bd96e35-58ef-4730-abdb-6e171a48443a/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 18:52:58,605 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 18:52:58,605 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 18:52:58,606 INFO L85 PathProgramCache]: Analyzing trace with hash 533544927, now seen corresponding path program 1 times [2024-11-08 18:52:58,606 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-08 18:52:58,606 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [426340427] [2024-11-08 18:52:58,606 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 18:52:58,607 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 18:52:58,607 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bd96e35-58ef-4730-abdb-6e171a48443a/bin/uautomizer-verify-jihMAELWvX/mathsat [2024-11-08 18:52:58,608 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bd96e35-58ef-4730-abdb-6e171a48443a/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 18:52:58,609 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bd96e35-58ef-4730-abdb-6e171a48443a/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 (10)] Waiting until timeout for monitored process [2024-11-08 18:52:59,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:52:59,424 INFO L255 TraceCheckSpWp]: Trace formula consists of 332 conjuncts, 31 conjuncts are in the unsatisfiable core [2024-11-08 18:52:59,431 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 18:52:59,436 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-11-08 18:52:59,521 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 14 [2024-11-08 18:52:59,585 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 14 [2024-11-08 18:52:59,662 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 14 [2024-11-08 18:52:59,728 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 36 treesize of output 24 [2024-11-08 18:53:03,896 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-08 18:53:03,897 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 40 treesize of output 27 [2024-11-08 18:53:04,063 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-08 18:53:04,063 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 35 treesize of output 37 [2024-11-08 18:53:04,455 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-08 18:53:04,455 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 50 treesize of output 40 [2024-11-08 18:53:04,516 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-08 18:53:04,516 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 52 treesize of output 51 [2024-11-08 18:53:05,139 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-08 18:53:05,139 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 87 treesize of output 78 [2024-11-08 18:53:05,571 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-08 18:53:05,571 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 99 treesize of output 33 [2024-11-08 18:53:05,688 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 390 proven. 33 refuted. 0 times theorem prover too weak. 121 trivial. 0 not checked. [2024-11-08 18:53:05,688 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-08 18:53:06,209 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2024-11-08 18:53:06,217 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-08 18:53:06,217 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [426340427] [2024-11-08 18:53:06,218 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [426340427] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-08 18:53:06,218 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-08 18:53:06,218 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [12] total 15 [2024-11-08 18:53:06,218 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [627751502] [2024-11-08 18:53:06,218 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 18:53:06,219 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-08 18:53:06,219 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-08 18:53:06,219 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-08 18:53:06,220 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=163, Unknown=1, NotChecked=0, Total=210 [2024-11-08 18:53:06,220 INFO L87 Difference]: Start difference. First operand 753 states and 1054 transitions. Second operand has 5 states, 5 states have (on average 13.8) internal successors, (69), 5 states have internal predecessors, (69), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-08 18:53:07,524 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.30s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-08 18:53:12,279 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 18:53:12,280 INFO L93 Difference]: Finished difference Result 1651 states and 2304 transitions. [2024-11-08 18:53:12,282 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-08 18:53:12,282 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 13.8) internal successors, (69), 5 states have internal predecessors, (69), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 151 [2024-11-08 18:53:12,283 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 18:53:12,288 INFO L225 Difference]: With dead ends: 1651 [2024-11-08 18:53:12,289 INFO L226 Difference]: Without dead ends: 901 [2024-11-08 18:53:12,291 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 301 GetRequests, 286 SyntacticMatches, 1 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 5.1s TimeCoverageRelationStatistics Valid=51, Invalid=188, Unknown=1, NotChecked=0, Total=240 [2024-11-08 18:53:12,292 INFO L432 NwaCegarLoop]: 223 mSDtfsCounter, 162 mSDsluCounter, 305 mSDsCounter, 0 mSdLazyCounter, 190 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 162 SdHoareTripleChecker+Valid, 528 SdHoareTripleChecker+Invalid, 206 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 190 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.9s IncrementalHoareTripleChecker+Time [2024-11-08 18:53:12,293 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [162 Valid, 528 Invalid, 206 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 190 Invalid, 0 Unknown, 0 Unchecked, 5.9s Time] [2024-11-08 18:53:12,294 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 901 states. [2024-11-08 18:53:12,411 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 901 to 754. [2024-11-08 18:53:12,413 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 754 states, 615 states have (on average 1.338211382113821) internal successors, (823), 628 states have internal predecessors, (823), 116 states have call successors, (116), 22 states have call predecessors, (116), 22 states have return successors, (116), 103 states have call predecessors, (116), 116 states have call successors, (116) [2024-11-08 18:53:12,417 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 754 states to 754 states and 1055 transitions. [2024-11-08 18:53:12,434 INFO L78 Accepts]: Start accepts. Automaton has 754 states and 1055 transitions. Word has length 151 [2024-11-08 18:53:12,435 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 18:53:12,435 INFO L471 AbstractCegarLoop]: Abstraction has 754 states and 1055 transitions. [2024-11-08 18:53:12,435 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 13.8) internal successors, (69), 5 states have internal predecessors, (69), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-08 18:53:12,435 INFO L276 IsEmpty]: Start isEmpty. Operand 754 states and 1055 transitions. [2024-11-08 18:53:12,438 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2024-11-08 18:53:12,438 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 18:53:12,438 INFO L215 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 18:53:12,457 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bd96e35-58ef-4730-abdb-6e171a48443a/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 (10)] Ended with exit code 0 [2024-11-08 18:53:12,639 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bd96e35-58ef-4730-abdb-6e171a48443a/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 18:53:12,640 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 18:53:12,640 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 18:53:12,640 INFO L85 PathProgramCache]: Analyzing trace with hash -1067572769, now seen corresponding path program 1 times [2024-11-08 18:53:12,641 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-08 18:53:12,641 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1743806960] [2024-11-08 18:53:12,641 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 18:53:12,642 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-08 18:53:12,642 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bd96e35-58ef-4730-abdb-6e171a48443a/bin/uautomizer-verify-jihMAELWvX/mathsat [2024-11-08 18:53:12,645 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bd96e35-58ef-4730-abdb-6e171a48443a/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 18:53:12,647 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bd96e35-58ef-4730-abdb-6e171a48443a/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 (11)] Waiting until timeout for monitored process [2024-11-08 18:53:13,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:53:13,443 INFO L255 TraceCheckSpWp]: Trace formula consists of 332 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-08 18:53:13,447 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 18:53:13,454 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-11-08 18:53:13,538 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-08 18:53:13,539 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 41 treesize of output 35 [2024-11-08 18:53:13,603 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-08 18:53:13,603 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 53 treesize of output 17 [2024-11-08 18:53:13,643 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2024-11-08 18:53:13,643 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-08 18:53:13,644 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-08 18:53:13,644 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1743806960] [2024-11-08 18:53:13,644 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1743806960] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 18:53:13,644 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 18:53:13,644 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-08 18:53:13,644 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [360520098] [2024-11-08 18:53:13,644 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 18:53:13,645 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-08 18:53:13,645 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-08 18:53:13,646 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-08 18:53:13,646 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-08 18:53:13,646 INFO L87 Difference]: Start difference. First operand 754 states and 1055 transitions. Second operand has 5 states, 5 states have (on average 13.8) internal successors, (69), 5 states have internal predecessors, (69), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-08 18:53:15,479 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.82s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-08 18:53:19,581 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 18:53:19,581 INFO L93 Difference]: Finished difference Result 1660 states and 2318 transitions. [2024-11-08 18:53:19,583 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-08 18:53:19,583 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 13.8) internal successors, (69), 5 states have internal predecessors, (69), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 151 [2024-11-08 18:53:19,584 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 18:53:19,590 INFO L225 Difference]: With dead ends: 1660 [2024-11-08 18:53:19,590 INFO L226 Difference]: Without dead ends: 909 [2024-11-08 18:53:19,592 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 151 GetRequests, 147 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-08 18:53:19,593 INFO L432 NwaCegarLoop]: 159 mSDtfsCounter, 87 mSDsluCounter, 328 mSDsCounter, 0 mSdLazyCounter, 303 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 87 SdHoareTripleChecker+Valid, 487 SdHoareTripleChecker+Invalid, 308 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 303 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.8s IncrementalHoareTripleChecker+Time [2024-11-08 18:53:19,594 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [87 Valid, 487 Invalid, 308 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 303 Invalid, 0 Unknown, 0 Unchecked, 5.8s Time] [2024-11-08 18:53:19,596 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 909 states. [2024-11-08 18:53:19,734 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 909 to 762. [2024-11-08 18:53:19,736 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 762 states, 623 states have (on average 1.3402889245585874) internal successors, (835), 636 states have internal predecessors, (835), 116 states have call successors, (116), 22 states have call predecessors, (116), 22 states have return successors, (116), 103 states have call predecessors, (116), 116 states have call successors, (116) [2024-11-08 18:53:19,740 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 762 states to 762 states and 1067 transitions. [2024-11-08 18:53:19,742 INFO L78 Accepts]: Start accepts. Automaton has 762 states and 1067 transitions. Word has length 151 [2024-11-08 18:53:19,742 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 18:53:19,743 INFO L471 AbstractCegarLoop]: Abstraction has 762 states and 1067 transitions. [2024-11-08 18:53:19,743 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 13.8) internal successors, (69), 5 states have internal predecessors, (69), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-08 18:53:19,743 INFO L276 IsEmpty]: Start isEmpty. Operand 762 states and 1067 transitions. [2024-11-08 18:53:19,746 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2024-11-08 18:53:19,746 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 18:53:19,746 INFO L215 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 18:53:19,762 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bd96e35-58ef-4730-abdb-6e171a48443a/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 (11)] Ended with exit code 0 [2024-11-08 18:53:19,947 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bd96e35-58ef-4730-abdb-6e171a48443a/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 18:53:19,948 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 18:53:19,953 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 18:53:19,953 INFO L85 PathProgramCache]: Analyzing trace with hash -1460599779, now seen corresponding path program 1 times [2024-11-08 18:53:19,953 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-08 18:53:19,954 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [992160935] [2024-11-08 18:53:19,954 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 18:53:19,954 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 18:53:19,954 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bd96e35-58ef-4730-abdb-6e171a48443a/bin/uautomizer-verify-jihMAELWvX/mathsat [2024-11-08 18:53:19,959 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bd96e35-58ef-4730-abdb-6e171a48443a/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 18:53:19,961 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bd96e35-58ef-4730-abdb-6e171a48443a/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 (12)] Waiting until timeout for monitored process [2024-11-08 18:53:20,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:53:20,850 INFO L255 TraceCheckSpWp]: Trace formula consists of 333 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-08 18:53:20,856 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 18:53:20,869 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-11-08 18:53:20,916 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-08 18:53:20,917 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 26 treesize of output 29 [2024-11-08 18:53:21,121 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-08 18:53:21,121 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 48 treesize of output 16 [2024-11-08 18:53:21,257 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2024-11-08 18:53:21,257 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-08 18:53:21,258 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-08 18:53:21,258 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [992160935] [2024-11-08 18:53:21,258 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [992160935] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 18:53:21,258 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 18:53:21,258 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-08 18:53:21,258 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1912051221] [2024-11-08 18:53:21,259 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 18:53:21,259 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-08 18:53:21,259 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-08 18:53:21,260 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-08 18:53:21,260 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2024-11-08 18:53:21,261 INFO L87 Difference]: Start difference. First operand 762 states and 1067 transitions. Second operand has 8 states, 8 states have (on average 8.625) internal successors, (69), 8 states have internal predecessors, (69), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-08 18:53:22,331 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.07s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-08 18:53:23,971 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.64s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-08 18:53:28,812 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 18:53:28,812 INFO L93 Difference]: Finished difference Result 1718 states and 2386 transitions. [2024-11-08 18:53:28,813 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-08 18:53:28,814 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 8.625) internal successors, (69), 8 states have internal predecessors, (69), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 151 [2024-11-08 18:53:28,814 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 18:53:28,820 INFO L225 Difference]: With dead ends: 1718 [2024-11-08 18:53:28,820 INFO L226 Difference]: Without dead ends: 959 [2024-11-08 18:53:28,823 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 153 GetRequests, 144 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2024-11-08 18:53:28,824 INFO L432 NwaCegarLoop]: 230 mSDtfsCounter, 92 mSDsluCounter, 916 mSDsCounter, 0 mSdLazyCounter, 525 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 92 SdHoareTripleChecker+Valid, 1146 SdHoareTripleChecker+Invalid, 530 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 525 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.3s IncrementalHoareTripleChecker+Time [2024-11-08 18:53:28,824 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [92 Valid, 1146 Invalid, 530 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 525 Invalid, 0 Unknown, 0 Unchecked, 7.3s Time] [2024-11-08 18:53:28,826 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 959 states. [2024-11-08 18:53:28,994 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 959 to 951. [2024-11-08 18:53:28,996 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 951 states, 772 states have (on average 1.3316062176165804) internal successors, (1028), 791 states have internal predecessors, (1028), 143 states have call successors, (143), 35 states have call predecessors, (143), 35 states have return successors, (143), 124 states have call predecessors, (143), 143 states have call successors, (143) [2024-11-08 18:53:29,001 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 951 states to 951 states and 1314 transitions. [2024-11-08 18:53:29,002 INFO L78 Accepts]: Start accepts. Automaton has 951 states and 1314 transitions. Word has length 151 [2024-11-08 18:53:29,003 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 18:53:29,004 INFO L471 AbstractCegarLoop]: Abstraction has 951 states and 1314 transitions. [2024-11-08 18:53:29,004 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 8.625) internal successors, (69), 8 states have internal predecessors, (69), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-08 18:53:29,004 INFO L276 IsEmpty]: Start isEmpty. Operand 951 states and 1314 transitions. [2024-11-08 18:53:29,007 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2024-11-08 18:53:29,007 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 18:53:29,007 INFO L215 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 18:53:29,023 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bd96e35-58ef-4730-abdb-6e171a48443a/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 (12)] Ended with exit code 0 [2024-11-08 18:53:29,212 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bd96e35-58ef-4730-abdb-6e171a48443a/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 18:53:29,213 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 18:53:29,213 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 18:53:29,213 INFO L85 PathProgramCache]: Analyzing trace with hash -1009136620, now seen corresponding path program 1 times [2024-11-08 18:53:29,214 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-08 18:53:29,214 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1285757907] [2024-11-08 18:53:29,214 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 18:53:29,215 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 18:53:29,215 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bd96e35-58ef-4730-abdb-6e171a48443a/bin/uautomizer-verify-jihMAELWvX/mathsat [2024-11-08 18:53:29,218 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bd96e35-58ef-4730-abdb-6e171a48443a/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 18:53:29,220 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bd96e35-58ef-4730-abdb-6e171a48443a/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 (13)] Waiting until timeout for monitored process [2024-11-08 18:53:30,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:53:30,630 INFO L255 TraceCheckSpWp]: Trace formula consists of 332 conjuncts, 59 conjuncts are in the unsatisfiable core [2024-11-08 18:53:30,641 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 18:53:30,717 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-11-08 18:53:31,310 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 6 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 133 treesize of output 79 [2024-11-08 18:53:33,020 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-08 18:53:33,021 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 275 treesize of output 125 [2024-11-08 18:53:33,975 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 15 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 275 treesize of output 125 [2024-11-08 18:53:36,515 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-08 18:53:36,516 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 346 treesize of output 189 [2024-11-08 18:53:37,774 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-08 18:53:37,775 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 346 treesize of output 189 [2024-11-08 18:53:39,360 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-08 18:53:39,361 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 346 treesize of output 189 [2024-11-08 18:53:40,642 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-08 18:53:40,642 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 346 treesize of output 189 [2024-11-08 18:53:42,219 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-08 18:53:42,219 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 352 treesize of output 199 [2024-11-08 18:53:47,763 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-08 18:53:47,763 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 274 treesize of output 156 [2024-11-08 18:53:49,278 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-08 18:53:49,278 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 274 treesize of output 156 [2024-11-08 18:53:51,022 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-08 18:53:51,022 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 21 case distinctions, treesize of input 274 treesize of output 156 [2024-11-08 18:53:51,525 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-08 18:53:51,526 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 0 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 28 case distinctions, treesize of input 276 treesize of output 176 [2024-11-08 18:53:54,905 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-08 18:53:54,906 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 331 treesize of output 187 [2024-11-08 18:53:56,770 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 356 proven. 0 refuted. 0 times theorem prover too weak. 188 trivial. 0 not checked. [2024-11-08 18:53:56,771 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-08 18:53:56,771 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-08 18:53:56,771 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1285757907] [2024-11-08 18:53:56,771 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1285757907] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 18:53:56,772 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 18:53:56,772 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2024-11-08 18:53:56,772 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1967661290] [2024-11-08 18:53:56,772 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 18:53:56,773 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2024-11-08 18:53:56,773 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-08 18:53:56,774 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2024-11-08 18:53:56,774 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=89, Invalid=290, Unknown=1, NotChecked=0, Total=380 [2024-11-08 18:53:56,774 INFO L87 Difference]: Start difference. First operand 951 states and 1314 transitions. Second operand has 20 states, 20 states have (on average 3.9) internal successors, (78), 19 states have internal predecessors, (78), 4 states have call successors, (17), 4 states have call predecessors, (17), 4 states have return successors, (17), 4 states have call predecessors, (17), 4 states have call successors, (17) [2024-11-08 18:53:59,659 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.22s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-08 18:54:01,657 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-08 18:54:09,447 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-08 18:54:17,850 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-08 18:54:21,971 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-08 18:54:25,997 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-08 18:54:30,007 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-08 18:54:34,056 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-08 18:54:38,135 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-08 18:54:42,198 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-08 18:54:46,259 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-08 18:54:50,318 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-08 18:54:54,377 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-08 18:54:58,716 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-08 18:55:02,805 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-08 18:55:06,868 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-08 18:55:11,228 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-08 18:55:15,293 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-08 18:55:19,353 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-08 18:55:23,598 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-08 18:55:27,691 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-08 18:55:31,769 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-08 18:55:35,996 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-08 18:55:40,063 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-08 18:55:44,132 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-08 18:55:48,365 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-08 18:55:52,456 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-08 18:55:56,537 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-08 18:56:00,776 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-08 18:56:04,844 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-08 18:56:08,904 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-08 18:56:13,098 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-08 18:56:37,211 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 18:56:37,211 INFO L93 Difference]: Finished difference Result 2735 states and 3815 transitions. [2024-11-08 18:56:37,212 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-11-08 18:56:37,213 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 20 states have (on average 3.9) internal successors, (78), 19 states have internal predecessors, (78), 4 states have call successors, (17), 4 states have call predecessors, (17), 4 states have return successors, (17), 4 states have call predecessors, (17), 4 states have call successors, (17) Word has length 151 [2024-11-08 18:56:37,213 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 18:56:37,229 INFO L225 Difference]: With dead ends: 2735 [2024-11-08 18:56:37,229 INFO L226 Difference]: Without dead ends: 1787 [2024-11-08 18:56:37,232 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 153 GetRequests, 128 SyntacticMatches, 4 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 15.6s TimeCoverageRelationStatistics Valid=107, Invalid=397, Unknown=2, NotChecked=0, Total=506 [2024-11-08 18:56:37,237 INFO L432 NwaCegarLoop]: 89 mSDtfsCounter, 718 mSDsluCounter, 788 mSDsCounter, 0 mSdLazyCounter, 2286 mSolverCounterSat, 92 mSolverCounterUnsat, 30 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 153.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 718 SdHoareTripleChecker+Valid, 877 SdHoareTripleChecker+Invalid, 2408 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 92 IncrementalHoareTripleChecker+Valid, 2286 IncrementalHoareTripleChecker+Invalid, 30 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 155.6s IncrementalHoareTripleChecker+Time [2024-11-08 18:56:37,237 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [718 Valid, 877 Invalid, 2408 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [92 Valid, 2286 Invalid, 30 Unknown, 0 Unchecked, 155.6s Time] [2024-11-08 18:56:37,239 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1787 states. [2024-11-08 18:56:37,433 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1787 to 978. [2024-11-08 18:56:37,435 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 978 states, 799 states have (on average 1.3316645807259073) internal successors, (1064), 818 states have internal predecessors, (1064), 143 states have call successors, (143), 35 states have call predecessors, (143), 35 states have return successors, (143), 124 states have call predecessors, (143), 143 states have call successors, (143) [2024-11-08 18:56:37,439 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 978 states to 978 states and 1350 transitions. [2024-11-08 18:56:37,440 INFO L78 Accepts]: Start accepts. Automaton has 978 states and 1350 transitions. Word has length 151 [2024-11-08 18:56:37,441 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 18:56:37,441 INFO L471 AbstractCegarLoop]: Abstraction has 978 states and 1350 transitions. [2024-11-08 18:56:37,441 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 20 states have (on average 3.9) internal successors, (78), 19 states have internal predecessors, (78), 4 states have call successors, (17), 4 states have call predecessors, (17), 4 states have return successors, (17), 4 states have call predecessors, (17), 4 states have call successors, (17) [2024-11-08 18:56:37,442 INFO L276 IsEmpty]: Start isEmpty. Operand 978 states and 1350 transitions. [2024-11-08 18:56:37,444 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2024-11-08 18:56:37,444 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 18:56:37,445 INFO L215 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 18:56:37,462 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bd96e35-58ef-4730-abdb-6e171a48443a/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 (13)] Ended with exit code 0 [2024-11-08 18:56:37,645 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bd96e35-58ef-4730-abdb-6e171a48443a/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 18:56:37,646 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 18:56:37,646 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 18:56:37,647 INFO L85 PathProgramCache]: Analyzing trace with hash 2005966998, now seen corresponding path program 1 times [2024-11-08 18:56:37,647 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-08 18:56:37,647 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [965272677] [2024-11-08 18:56:37,647 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 18:56:37,648 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 18:56:37,648 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bd96e35-58ef-4730-abdb-6e171a48443a/bin/uautomizer-verify-jihMAELWvX/mathsat [2024-11-08 18:56:37,651 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bd96e35-58ef-4730-abdb-6e171a48443a/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 18:56:37,652 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bd96e35-58ef-4730-abdb-6e171a48443a/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 (14)] Waiting until timeout for monitored process