./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-95.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a0165632 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_366b1412-eb5c-4de7-9773-007888ff20fe/bin/uautomizer-verify-jihMAELWvX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_366b1412-eb5c-4de7-9773-007888ff20fe/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_366b1412-eb5c-4de7-9773-007888ff20fe/bin/uautomizer-verify-jihMAELWvX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_366b1412-eb5c-4de7-9773-007888ff20fe/bin/uautomizer-verify-jihMAELWvX/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-95.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_366b1412-eb5c-4de7-9773-007888ff20fe/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_366b1412-eb5c-4de7-9773-007888ff20fe/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 fc5530f3297a60a6e62c32967b204622cc9ceb16e657d6b09a8ffa710c752296 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 18:28:06,831 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 18:28:06,962 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_366b1412-eb5c-4de7-9773-007888ff20fe/bin/uautomizer-verify-jihMAELWvX/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-08 18:28:06,973 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 18:28:06,974 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-08 18:28:07,020 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 18:28:07,022 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-08 18:28:07,022 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-08 18:28:07,026 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-08 18:28:07,026 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-08 18:28:07,027 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 18:28:07,027 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-08 18:28:07,030 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 18:28:07,031 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 18:28:07,031 INFO L153 SettingsManager]: * Use SBE=true [2024-11-08 18:28:07,032 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 18:28:07,032 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 18:28:07,036 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-08 18:28:07,036 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-08 18:28:07,037 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-08 18:28:07,037 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 18:28:07,038 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 18:28:07,038 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 18:28:07,039 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 18:28:07,043 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 18:28:07,044 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-08 18:28:07,044 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 18:28:07,045 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 18:28:07,045 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 18:28:07,046 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-08 18:28:07,046 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-08 18:28:07,046 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-08 18:28:07,047 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-08 18:28:07,047 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 18:28:07,049 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 18:28:07,050 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 18:28:07,050 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-08 18:28:07,051 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-08 18:28:07,051 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-08 18:28:07,051 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-08 18:28:07,052 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-08 18:28:07,053 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-08 18:28:07,053 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_366b1412-eb5c-4de7-9773-007888ff20fe/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_366b1412-eb5c-4de7-9773-007888ff20fe/bin/uautomizer-verify-jihMAELWvX Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> fc5530f3297a60a6e62c32967b204622cc9ceb16e657d6b09a8ffa710c752296 [2024-11-08 18:28:07,448 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 18:28:07,496 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 18:28:07,500 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 18:28:07,501 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 18:28:07,502 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 18:28:07,504 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_366b1412-eb5c-4de7-9773-007888ff20fe/bin/uautomizer-verify-jihMAELWvX/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-95.i Unable to find full path for "g++" [2024-11-08 18:28:10,227 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 18:28:10,523 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 18:28:10,524 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_366b1412-eb5c-4de7-9773-007888ff20fe/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-95.i [2024-11-08 18:28:10,544 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_366b1412-eb5c-4de7-9773-007888ff20fe/bin/uautomizer-verify-jihMAELWvX/data/adb895199/10b445cd4fd04f50b7b92cc2f1a731bc/FLAGe0716ab37 [2024-11-08 18:28:10,576 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_366b1412-eb5c-4de7-9773-007888ff20fe/bin/uautomizer-verify-jihMAELWvX/data/adb895199/10b445cd4fd04f50b7b92cc2f1a731bc [2024-11-08 18:28:10,581 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 18:28:10,585 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 18:28:10,588 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 18:28:10,589 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 18:28:10,597 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 18:28:10,599 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 06:28:10" (1/1) ... [2024-11-08 18:28:10,600 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7ac1df43 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:28:10, skipping insertion in model container [2024-11-08 18:28:10,601 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 06:28:10" (1/1) ... [2024-11-08 18:28:10,644 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 18:28:10,948 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_366b1412-eb5c-4de7-9773-007888ff20fe/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-95.i[916,929] [2024-11-08 18:28:11,063 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 18:28:11,080 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 18:28:11,098 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_366b1412-eb5c-4de7-9773-007888ff20fe/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-95.i[916,929] [2024-11-08 18:28:11,200 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 18:28:11,238 INFO L204 MainTranslator]: Completed translation [2024-11-08 18:28:11,239 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:28:11 WrapperNode [2024-11-08 18:28:11,239 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 18:28:11,241 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 18:28:11,241 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 18:28:11,242 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 18:28:11,254 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:28:11" (1/1) ... [2024-11-08 18:28:11,276 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:28:11" (1/1) ... [2024-11-08 18:28:11,350 INFO L138 Inliner]: procedures = 29, calls = 154, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 483 [2024-11-08 18:28:11,351 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 18:28:11,355 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 18:28:11,355 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 18:28:11,356 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 18:28:11,374 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:28:11" (1/1) ... [2024-11-08 18:28:11,374 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:28:11" (1/1) ... [2024-11-08 18:28:11,382 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:28:11" (1/1) ... [2024-11-08 18:28:11,435 INFO L175 MemorySlicer]: Split 121 memory accesses to 7 slices as follows [2, 29, 15, 7, 7, 48, 13]. 40 percent of accesses are in the largest equivalence class. The 16 initializations are split as follows [2, 4, 2, 1, 1, 4, 2]. The 16 writes are split as follows [0, 4, 2, 1, 3, 4, 2]. [2024-11-08 18:28:11,436 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:28:11" (1/1) ... [2024-11-08 18:28:11,436 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:28:11" (1/1) ... [2024-11-08 18:28:11,464 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:28:11" (1/1) ... [2024-11-08 18:28:11,476 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:28:11" (1/1) ... [2024-11-08 18:28:11,485 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:28:11" (1/1) ... [2024-11-08 18:28:11,493 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:28:11" (1/1) ... [2024-11-08 18:28:11,513 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 18:28:11,514 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 18:28:11,514 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 18:28:11,514 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 18:28:11,516 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:28:11" (1/1) ... [2024-11-08 18:28:11,524 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-08 18:28:11,543 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_366b1412-eb5c-4de7-9773-007888ff20fe/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 18:28:11,572 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_366b1412-eb5c-4de7-9773-007888ff20fe/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-08 18:28:11,576 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_366b1412-eb5c-4de7-9773-007888ff20fe/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-08 18:28:11,619 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 18:28:11,620 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#0 [2024-11-08 18:28:11,620 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#1 [2024-11-08 18:28:11,620 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#2 [2024-11-08 18:28:11,620 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#3 [2024-11-08 18:28:11,620 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#4 [2024-11-08 18:28:11,621 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#5 [2024-11-08 18:28:11,621 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#6 [2024-11-08 18:28:11,621 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-08 18:28:11,621 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-08 18:28:11,624 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-08 18:28:11,624 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-08 18:28:11,624 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-11-08 18:28:11,624 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-11-08 18:28:11,624 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2024-11-08 18:28:11,625 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#0 [2024-11-08 18:28:11,625 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#1 [2024-11-08 18:28:11,625 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#2 [2024-11-08 18:28:11,625 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#3 [2024-11-08 18:28:11,625 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#4 [2024-11-08 18:28:11,626 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#5 [2024-11-08 18:28:11,626 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#6 [2024-11-08 18:28:11,626 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-08 18:28:11,626 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-08 18:28:11,627 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-08 18:28:11,627 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-08 18:28:11,628 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-11-08 18:28:11,628 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-11-08 18:28:11,628 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2024-11-08 18:28:11,628 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#0 [2024-11-08 18:28:11,629 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#1 [2024-11-08 18:28:11,629 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#2 [2024-11-08 18:28:11,629 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#3 [2024-11-08 18:28:11,629 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#4 [2024-11-08 18:28:11,629 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#5 [2024-11-08 18:28:11,630 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#6 [2024-11-08 18:28:11,630 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-08 18:28:11,630 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-08 18:28:11,630 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-08 18:28:11,630 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-08 18:28:11,633 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-08 18:28:11,633 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-08 18:28:11,633 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-08 18:28:11,633 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-11-08 18:28:11,634 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2024-11-08 18:28:11,634 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 18:28:11,634 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 18:28:11,964 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 18:28:11,966 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 18:28:12,726 INFO L? ?]: Removed 125 outVars from TransFormulas that were not future-live. [2024-11-08 18:28:12,727 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 18:28:12,756 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 18:28:12,757 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-08 18:28:12,758 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 06:28:12 BoogieIcfgContainer [2024-11-08 18:28:12,758 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 18:28:12,764 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-08 18:28:12,764 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-08 18:28:12,769 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-08 18:28:12,769 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.11 06:28:10" (1/3) ... [2024-11-08 18:28:12,771 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@57320337 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 06:28:12, skipping insertion in model container [2024-11-08 18:28:12,771 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:28:11" (2/3) ... [2024-11-08 18:28:12,772 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@57320337 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 06:28:12, skipping insertion in model container [2024-11-08 18:28:12,772 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 06:28:12" (3/3) ... [2024-11-08 18:28:12,778 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_wrapper-a_file-95.i [2024-11-08 18:28:12,805 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-08 18:28:12,806 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-08 18:28:12,915 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-08 18:28:12,924 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;@446df8fd, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-08 18:28:12,924 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-08 18:28:12,931 INFO L276 IsEmpty]: Start isEmpty. Operand has 114 states, 95 states have (on average 1.4210526315789473) internal successors, (135), 96 states have internal predecessors, (135), 16 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) [2024-11-08 18:28:12,949 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2024-11-08 18:28:12,950 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 18:28:12,951 INFO L215 NwaCegarLoop]: trace histogram [16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 18:28:12,952 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 18:28:12,959 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 18:28:12,960 INFO L85 PathProgramCache]: Analyzing trace with hash -1358073714, now seen corresponding path program 1 times [2024-11-08 18:28:12,972 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 18:28:12,973 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1551495727] [2024-11-08 18:28:12,973 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 18:28:12,974 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 18:28:13,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:28:13,466 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-08 18:28:13,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:28:13,482 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-08 18:28:13,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:28:13,496 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-11-08 18:28:13,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:28:13,512 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-08 18:28:13,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:28:13,528 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-08 18:28:13,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:28:13,544 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-08 18:28:13,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:28:13,553 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-08 18:28:13,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:28:13,563 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-11-08 18:28:13,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:28:13,574 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-11-08 18:28:13,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:28:13,589 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-11-08 18:28:13,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:28:13,602 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-11-08 18:28:13,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:28:13,613 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-11-08 18:28:13,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:28:13,622 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-11-08 18:28:13,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:28:13,629 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-08 18:28:13,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:28:13,657 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-08 18:28:13,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:28:13,676 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-08 18:28:13,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:28:13,696 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2024-11-08 18:28:13,701 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 18:28:13,701 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1551495727] [2024-11-08 18:28:13,702 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1551495727] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 18:28:13,702 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 18:28:13,703 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-08 18:28:13,709 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1334363823] [2024-11-08 18:28:13,725 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 18:28:13,741 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-08 18:28:13,744 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 18:28:13,795 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-08 18:28:13,796 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-08 18:28:13,798 INFO L87 Difference]: Start difference. First operand has 114 states, 95 states have (on average 1.4210526315789473) internal successors, (135), 96 states have internal predecessors, (135), 16 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) Second operand has 2 states, 2 states have (on average 27.5) internal successors, (55), 2 states have internal predecessors, (55), 2 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 2 states have call successors, (16) [2024-11-08 18:28:13,839 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 18:28:13,840 INFO L93 Difference]: Finished difference Result 221 states and 344 transitions. [2024-11-08 18:28:13,841 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-08 18:28:13,843 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 27.5) internal successors, (55), 2 states have internal predecessors, (55), 2 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 2 states have call successors, (16) Word has length 132 [2024-11-08 18:28:13,843 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 18:28:13,852 INFO L225 Difference]: With dead ends: 221 [2024-11-08 18:28:13,852 INFO L226 Difference]: Without dead ends: 110 [2024-11-08 18:28:13,857 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 50 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 18:28:13,862 INFO L432 NwaCegarLoop]: 156 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, 156 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 18:28:13,864 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 156 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-08 18:28:13,892 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 110 states. [2024-11-08 18:28:13,926 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 110 to 110. [2024-11-08 18:28:13,930 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 110 states, 92 states have (on average 1.3478260869565217) internal successors, (124), 92 states have internal predecessors, (124), 16 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) [2024-11-08 18:28:13,935 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 110 states and 156 transitions. [2024-11-08 18:28:13,940 INFO L78 Accepts]: Start accepts. Automaton has 110 states and 156 transitions. Word has length 132 [2024-11-08 18:28:13,942 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 18:28:13,942 INFO L471 AbstractCegarLoop]: Abstraction has 110 states and 156 transitions. [2024-11-08 18:28:13,944 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 27.5) internal successors, (55), 2 states have internal predecessors, (55), 2 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 2 states have call successors, (16) [2024-11-08 18:28:13,945 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 156 transitions. [2024-11-08 18:28:13,951 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2024-11-08 18:28:13,952 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 18:28:13,952 INFO L215 NwaCegarLoop]: trace histogram [16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 18:28:13,954 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-08 18:28:13,955 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 18:28:13,955 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 18:28:13,957 INFO L85 PathProgramCache]: Analyzing trace with hash -1694975310, now seen corresponding path program 1 times [2024-11-08 18:28:13,957 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 18:28:13,957 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [495735327] [2024-11-08 18:28:13,959 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 18:28:13,959 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 18:28:14,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:28:14,403 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-08 18:28:14,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:28:14,411 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-08 18:28:14,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:28:14,417 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-11-08 18:28:14,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:28:14,424 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-08 18:28:14,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:28:14,431 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-08 18:28:14,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:28:14,437 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-08 18:28:14,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:28:14,451 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-08 18:28:14,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:28:14,460 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-11-08 18:28:14,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:28:14,469 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-11-08 18:28:14,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:28:14,483 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-11-08 18:28:14,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:28:14,492 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-11-08 18:28:14,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:28:14,505 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-11-08 18:28:14,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:28:14,510 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-11-08 18:28:14,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:28:14,515 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-08 18:28:14,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:28:14,520 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-08 18:28:14,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:28:14,524 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-08 18:28:14,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:28:14,533 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2024-11-08 18:28:14,533 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 18:28:14,533 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [495735327] [2024-11-08 18:28:14,534 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [495735327] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 18:28:14,534 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 18:28:14,534 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-08 18:28:14,534 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1499190618] [2024-11-08 18:28:14,535 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 18:28:14,536 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-08 18:28:14,536 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 18:28:14,537 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-08 18:28:14,538 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-08 18:28:14,538 INFO L87 Difference]: Start difference. First operand 110 states and 156 transitions. Second operand has 4 states, 4 states have (on average 13.75) internal successors, (55), 4 states have internal predecessors, (55), 2 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2024-11-08 18:28:14,598 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 18:28:14,598 INFO L93 Difference]: Finished difference Result 219 states and 312 transitions. [2024-11-08 18:28:14,599 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-08 18:28:14,599 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 13.75) internal successors, (55), 4 states have internal predecessors, (55), 2 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) Word has length 132 [2024-11-08 18:28:14,599 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 18:28:14,601 INFO L225 Difference]: With dead ends: 219 [2024-11-08 18:28:14,601 INFO L226 Difference]: Without dead ends: 112 [2024-11-08 18:28:14,603 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 34 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 18:28:14,604 INFO L432 NwaCegarLoop]: 154 mSDtfsCounter, 0 mSDsluCounter, 297 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 451 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-08 18:28:14,605 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 451 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-08 18:28:14,607 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 112 states. [2024-11-08 18:28:14,623 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 112 to 112. [2024-11-08 18:28:14,626 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 112 states, 94 states have (on average 1.3404255319148937) internal successors, (126), 94 states have internal predecessors, (126), 16 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) [2024-11-08 18:28:14,629 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 112 states and 158 transitions. [2024-11-08 18:28:14,634 INFO L78 Accepts]: Start accepts. Automaton has 112 states and 158 transitions. Word has length 132 [2024-11-08 18:28:14,635 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 18:28:14,636 INFO L471 AbstractCegarLoop]: Abstraction has 112 states and 158 transitions. [2024-11-08 18:28:14,640 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.75) internal successors, (55), 4 states have internal predecessors, (55), 2 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2024-11-08 18:28:14,640 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 158 transitions. [2024-11-08 18:28:14,643 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2024-11-08 18:28:14,645 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 18:28:14,646 INFO L215 NwaCegarLoop]: trace histogram [16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 18:28:14,646 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-08 18:28:14,646 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 18:28:14,647 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 18:28:14,648 INFO L85 PathProgramCache]: Analyzing trace with hash 147500404, now seen corresponding path program 1 times [2024-11-08 18:28:14,649 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 18:28:14,650 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [84494722] [2024-11-08 18:28:14,650 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 18:28:14,651 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 18:28:14,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:28:15,283 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-08 18:28:15,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:28:15,288 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-08 18:28:15,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:28:15,293 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-11-08 18:28:15,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:28:15,298 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-08 18:28:15,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:28:15,304 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-08 18:28:15,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:28:15,309 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-08 18:28:15,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:28:15,316 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-08 18:28:15,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:28:15,323 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-11-08 18:28:15,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:28:15,329 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-11-08 18:28:15,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:28:15,336 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-11-08 18:28:15,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:28:15,340 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-11-08 18:28:15,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:28:15,346 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-11-08 18:28:15,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:28:15,349 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-11-08 18:28:15,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:28:15,354 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-08 18:28:15,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:28:15,358 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-08 18:28:15,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:28:15,362 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-08 18:28:15,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:28:15,367 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2024-11-08 18:28:15,368 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 18:28:15,368 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [84494722] [2024-11-08 18:28:15,369 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [84494722] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 18:28:15,369 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 18:28:15,369 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-08 18:28:15,369 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [8467401] [2024-11-08 18:28:15,370 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 18:28:15,370 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-08 18:28:15,371 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 18:28:15,372 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-08 18:28:15,372 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-08 18:28:15,372 INFO L87 Difference]: Start difference. First operand 112 states and 158 transitions. Second operand has 4 states, 4 states have (on average 13.75) internal successors, (55), 4 states have internal predecessors, (55), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2024-11-08 18:28:15,490 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 18:28:15,491 INFO L93 Difference]: Finished difference Result 222 states and 314 transitions. [2024-11-08 18:28:15,492 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-08 18:28:15,492 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 13.75) internal successors, (55), 4 states have internal predecessors, (55), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) Word has length 132 [2024-11-08 18:28:15,493 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 18:28:15,495 INFO L225 Difference]: With dead ends: 222 [2024-11-08 18:28:15,495 INFO L226 Difference]: Without dead ends: 113 [2024-11-08 18:28:15,496 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 34 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 18:28:15,500 INFO L432 NwaCegarLoop]: 150 mSDtfsCounter, 65 mSDsluCounter, 224 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 65 SdHoareTripleChecker+Valid, 374 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-08 18:28:15,504 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [65 Valid, 374 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-08 18:28:15,505 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 113 states. [2024-11-08 18:28:15,515 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 113 to 112. [2024-11-08 18:28:15,516 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 112 states, 94 states have (on average 1.3297872340425532) internal successors, (125), 94 states have internal predecessors, (125), 16 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) [2024-11-08 18:28:15,517 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 112 states and 157 transitions. [2024-11-08 18:28:15,518 INFO L78 Accepts]: Start accepts. Automaton has 112 states and 157 transitions. Word has length 132 [2024-11-08 18:28:15,518 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 18:28:15,519 INFO L471 AbstractCegarLoop]: Abstraction has 112 states and 157 transitions. [2024-11-08 18:28:15,519 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.75) internal successors, (55), 4 states have internal predecessors, (55), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2024-11-08 18:28:15,519 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 157 transitions. [2024-11-08 18:28:15,521 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2024-11-08 18:28:15,522 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 18:28:15,522 INFO L215 NwaCegarLoop]: trace histogram [16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 18:28:15,522 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-08 18:28:15,523 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 18:28:15,523 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 18:28:15,524 INFO L85 PathProgramCache]: Analyzing trace with hash -1728284977, now seen corresponding path program 1 times [2024-11-08 18:28:15,524 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 18:28:15,524 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [962511545] [2024-11-08 18:28:15,525 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 18:28:15,525 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 18:28:15,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:28:17,091 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-08 18:28:17,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:28:17,100 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-08 18:28:17,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:28:17,106 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-11-08 18:28:17,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:28:17,114 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-08 18:28:17,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:28:17,121 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-08 18:28:17,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:28:17,126 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-08 18:28:17,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:28:17,131 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-08 18:28:17,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:28:17,137 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-11-08 18:28:17,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:28:17,141 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-11-08 18:28:17,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:28:17,147 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-11-08 18:28:17,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:28:17,151 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-11-08 18:28:17,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:28:17,157 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-11-08 18:28:17,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:28:17,162 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-11-08 18:28:17,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:28:17,262 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-08 18:28:17,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:28:17,269 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-08 18:28:17,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:28:17,276 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-08 18:28:17,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:28:17,286 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 36 proven. 9 refuted. 0 times theorem prover too weak. 435 trivial. 0 not checked. [2024-11-08 18:28:17,287 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 18:28:17,287 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [962511545] [2024-11-08 18:28:17,287 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [962511545] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-08 18:28:17,288 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [287442256] [2024-11-08 18:28:17,288 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 18:28:17,288 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 18:28:17,288 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_366b1412-eb5c-4de7-9773-007888ff20fe/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 18:28:17,291 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_366b1412-eb5c-4de7-9773-007888ff20fe/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 18:28:17,297 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_366b1412-eb5c-4de7-9773-007888ff20fe/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-08 18:28:17,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:28:17,874 INFO L255 TraceCheckSpWp]: Trace formula consists of 477 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-08 18:28:17,889 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 18:28:18,046 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 29 treesize of output 13 [2024-11-08 18:28:18,217 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 9 [2024-11-08 18:28:18,268 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 183 proven. 9 refuted. 0 times theorem prover too weak. 288 trivial. 0 not checked. [2024-11-08 18:28:18,268 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-08 18:28:18,858 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 36 proven. 9 refuted. 0 times theorem prover too weak. 435 trivial. 0 not checked. [2024-11-08 18:28:18,860 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [287442256] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-08 18:28:18,860 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-08 18:28:18,860 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 8, 8] total 17 [2024-11-08 18:28:18,861 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [282281552] [2024-11-08 18:28:18,861 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-08 18:28:18,864 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2024-11-08 18:28:18,865 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 18:28:18,867 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2024-11-08 18:28:18,867 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=214, Unknown=0, NotChecked=0, Total=272 [2024-11-08 18:28:18,867 INFO L87 Difference]: Start difference. First operand 112 states and 157 transitions. Second operand has 17 states, 14 states have (on average 7.5) internal successors, (105), 17 states have internal predecessors, (105), 7 states have call successors, (36), 2 states have call predecessors, (36), 4 states have return successors, (36), 4 states have call predecessors, (36), 7 states have call successors, (36) [2024-11-08 18:28:19,868 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 18:28:19,868 INFO L93 Difference]: Finished difference Result 231 states and 321 transitions. [2024-11-08 18:28:19,869 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-08 18:28:19,870 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 14 states have (on average 7.5) internal successors, (105), 17 states have internal predecessors, (105), 7 states have call successors, (36), 2 states have call predecessors, (36), 4 states have return successors, (36), 4 states have call predecessors, (36), 7 states have call successors, (36) Word has length 134 [2024-11-08 18:28:19,871 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 18:28:19,872 INFO L225 Difference]: With dead ends: 231 [2024-11-08 18:28:19,872 INFO L226 Difference]: Without dead ends: 122 [2024-11-08 18:28:19,877 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 319 GetRequests, 293 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 96 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=165, Invalid=591, Unknown=0, NotChecked=0, Total=756 [2024-11-08 18:28:19,878 INFO L432 NwaCegarLoop]: 123 mSDtfsCounter, 219 mSDsluCounter, 781 mSDsCounter, 0 mSdLazyCounter, 361 mSolverCounterSat, 50 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 219 SdHoareTripleChecker+Valid, 904 SdHoareTripleChecker+Invalid, 411 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 50 IncrementalHoareTripleChecker+Valid, 361 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-08 18:28:19,883 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [219 Valid, 904 Invalid, 411 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [50 Valid, 361 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-08 18:28:19,884 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 122 states. [2024-11-08 18:28:19,908 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 122 to 118. [2024-11-08 18:28:19,912 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 118 states, 99 states have (on average 1.3131313131313131) internal successors, (130), 99 states have internal predecessors, (130), 16 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) [2024-11-08 18:28:19,916 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 118 states and 162 transitions. [2024-11-08 18:28:19,916 INFO L78 Accepts]: Start accepts. Automaton has 118 states and 162 transitions. Word has length 134 [2024-11-08 18:28:19,917 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 18:28:19,917 INFO L471 AbstractCegarLoop]: Abstraction has 118 states and 162 transitions. [2024-11-08 18:28:19,918 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 14 states have (on average 7.5) internal successors, (105), 17 states have internal predecessors, (105), 7 states have call successors, (36), 2 states have call predecessors, (36), 4 states have return successors, (36), 4 states have call predecessors, (36), 7 states have call successors, (36) [2024-11-08 18:28:19,918 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 162 transitions. [2024-11-08 18:28:19,920 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2024-11-08 18:28:19,920 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 18:28:19,920 INFO L215 NwaCegarLoop]: trace histogram [16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 18:28:19,954 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_366b1412-eb5c-4de7-9773-007888ff20fe/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-08 18:28:20,125 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_366b1412-eb5c-4de7-9773-007888ff20fe/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 18:28:20,125 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 18:28:20,126 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 18:28:20,126 INFO L85 PathProgramCache]: Analyzing trace with hash -689253302, now seen corresponding path program 1 times [2024-11-08 18:28:20,126 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 18:28:20,126 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1249328243] [2024-11-08 18:28:20,127 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 18:28:20,127 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 18:28:20,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:28:21,740 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-08 18:28:21,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:28:21,747 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-08 18:28:21,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:28:21,759 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-11-08 18:28:21,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:28:21,766 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-08 18:28:21,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:28:21,775 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-08 18:28:21,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:28:21,787 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-08 18:28:21,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:28:21,800 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-08 18:28:21,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:28:21,852 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-11-08 18:28:21,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:28:21,860 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-11-08 18:28:21,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:28:21,869 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-11-08 18:28:21,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:28:21,876 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-11-08 18:28:21,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:28:21,887 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-11-08 18:28:21,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:28:21,900 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-11-08 18:28:21,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:28:21,909 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-08 18:28:21,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:28:21,916 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-08 18:28:21,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:28:21,923 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-08 18:28:21,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:28:21,933 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2024-11-08 18:28:21,934 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 18:28:21,934 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1249328243] [2024-11-08 18:28:21,934 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1249328243] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 18:28:21,935 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 18:28:21,935 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-11-08 18:28:21,935 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [532559380] [2024-11-08 18:28:21,935 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 18:28:21,936 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-08 18:28:21,936 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 18:28:21,937 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-08 18:28:21,938 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2024-11-08 18:28:21,938 INFO L87 Difference]: Start difference. First operand 118 states and 162 transitions. Second operand has 11 states, 11 states have (on average 5.2727272727272725) internal successors, (58), 11 states have internal predecessors, (58), 2 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2024-11-08 18:28:22,964 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 18:28:22,965 INFO L93 Difference]: Finished difference Result 374 states and 516 transitions. [2024-11-08 18:28:22,966 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-08 18:28:22,967 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 5.2727272727272725) internal successors, (58), 11 states have internal predecessors, (58), 2 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) Word has length 135 [2024-11-08 18:28:22,967 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 18:28:22,969 INFO L225 Difference]: With dead ends: 374 [2024-11-08 18:28:22,970 INFO L226 Difference]: Without dead ends: 230 [2024-11-08 18:28:22,971 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 50 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=98, Invalid=282, Unknown=0, NotChecked=0, Total=380 [2024-11-08 18:28:22,972 INFO L432 NwaCegarLoop]: 122 mSDtfsCounter, 375 mSDsluCounter, 864 mSDsCounter, 0 mSdLazyCounter, 461 mSolverCounterSat, 117 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 375 SdHoareTripleChecker+Valid, 986 SdHoareTripleChecker+Invalid, 578 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 117 IncrementalHoareTripleChecker+Valid, 461 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-08 18:28:22,972 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [375 Valid, 986 Invalid, 578 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [117 Valid, 461 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-08 18:28:22,973 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 230 states. [2024-11-08 18:28:23,024 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 230 to 181. [2024-11-08 18:28:23,025 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 181 states, 144 states have (on average 1.2847222222222223) internal successors, (185), 144 states have internal predecessors, (185), 32 states have call successors, (32), 4 states have call predecessors, (32), 4 states have return successors, (32), 32 states have call predecessors, (32), 32 states have call successors, (32) [2024-11-08 18:28:23,027 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 181 states to 181 states and 249 transitions. [2024-11-08 18:28:23,027 INFO L78 Accepts]: Start accepts. Automaton has 181 states and 249 transitions. Word has length 135 [2024-11-08 18:28:23,028 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 18:28:23,028 INFO L471 AbstractCegarLoop]: Abstraction has 181 states and 249 transitions. [2024-11-08 18:28:23,029 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 5.2727272727272725) internal successors, (58), 11 states have internal predecessors, (58), 2 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2024-11-08 18:28:23,029 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 249 transitions. [2024-11-08 18:28:23,031 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2024-11-08 18:28:23,031 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 18:28:23,031 INFO L215 NwaCegarLoop]: trace histogram [16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 18:28:23,031 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-08 18:28:23,032 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 18:28:23,032 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 18:28:23,032 INFO L85 PathProgramCache]: Analyzing trace with hash -1001464024, now seen corresponding path program 1 times [2024-11-08 18:28:23,032 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 18:28:23,033 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [887695357] [2024-11-08 18:28:23,033 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 18:28:23,033 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 18:28:23,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 18:28:23,252 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1803007819] [2024-11-08 18:28:23,252 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 18:28:23,253 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 18:28:23,254 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_366b1412-eb5c-4de7-9773-007888ff20fe/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 18:28:23,256 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_366b1412-eb5c-4de7-9773-007888ff20fe/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 18:28:23,257 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_366b1412-eb5c-4de7-9773-007888ff20fe/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-08 18:28:24,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 18:28:24,051 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 18:28:24,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 18:28:24,649 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-08 18:28:24,650 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-08 18:28:24,651 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-08 18:28:24,682 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_366b1412-eb5c-4de7-9773-007888ff20fe/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-08 18:28:24,854 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_366b1412-eb5c-4de7-9773-007888ff20fe/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 18:28:24,859 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1] [2024-11-08 18:28:25,031 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-08 18:28:25,034 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.11 06:28:25 BoogieIcfgContainer [2024-11-08 18:28:25,034 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-08 18:28:25,035 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-08 18:28:25,035 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-08 18:28:25,036 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-08 18:28:25,036 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 06:28:12" (3/4) ... [2024-11-08 18:28:25,039 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-08 18:28:25,042 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-08 18:28:25,043 INFO L158 Benchmark]: Toolchain (without parser) took 14458.73ms. Allocated memory was 136.3MB in the beginning and 257.9MB in the end (delta: 121.6MB). Free memory was 94.4MB in the beginning and 214.3MB in the end (delta: -119.9MB). Peak memory consumption was 2.6MB. Max. memory is 16.1GB. [2024-11-08 18:28:25,043 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 136.3MB. Free memory is still 80.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 18:28:25,044 INFO L158 Benchmark]: CACSL2BoogieTranslator took 651.46ms. Allocated memory is still 136.3MB. Free memory was 94.1MB in the beginning and 76.7MB in the end (delta: 17.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-08 18:28:25,044 INFO L158 Benchmark]: Boogie Procedure Inliner took 113.60ms. Allocated memory is still 136.3MB. Free memory was 76.7MB in the beginning and 72.3MB in the end (delta: 4.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-08 18:28:25,045 INFO L158 Benchmark]: Boogie Preprocessor took 157.70ms. Allocated memory is still 136.3MB. Free memory was 72.3MB in the beginning and 66.6MB in the end (delta: 5.7MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2024-11-08 18:28:25,046 INFO L158 Benchmark]: RCFGBuilder took 1244.21ms. Allocated memory was 136.3MB in the beginning and 178.3MB in the end (delta: 41.9MB). Free memory was 66.6MB in the beginning and 117.2MB in the end (delta: -50.6MB). Peak memory consumption was 22.7MB. Max. memory is 16.1GB. [2024-11-08 18:28:25,049 INFO L158 Benchmark]: TraceAbstraction took 12270.86ms. Allocated memory was 178.3MB in the beginning and 257.9MB in the end (delta: 79.7MB). Free memory was 116.7MB in the beginning and 214.3MB in the end (delta: -97.6MB). Peak memory consumption was 124.7MB. Max. memory is 16.1GB. [2024-11-08 18:28:25,049 INFO L158 Benchmark]: Witness Printer took 7.14ms. Allocated memory is still 257.9MB. Free memory is still 214.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 18:28:25,052 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28ms. Allocated memory is still 136.3MB. Free memory is still 80.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 651.46ms. Allocated memory is still 136.3MB. Free memory was 94.1MB in the beginning and 76.7MB in the end (delta: 17.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 113.60ms. Allocated memory is still 136.3MB. Free memory was 76.7MB in the beginning and 72.3MB in the end (delta: 4.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 157.70ms. Allocated memory is still 136.3MB. Free memory was 72.3MB in the beginning and 66.6MB in the end (delta: 5.7MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * RCFGBuilder took 1244.21ms. Allocated memory was 136.3MB in the beginning and 178.3MB in the end (delta: 41.9MB). Free memory was 66.6MB in the beginning and 117.2MB in the end (delta: -50.6MB). Peak memory consumption was 22.7MB. Max. memory is 16.1GB. * TraceAbstraction took 12270.86ms. Allocated memory was 178.3MB in the beginning and 257.9MB in the end (delta: 79.7MB). Free memory was 116.7MB in the beginning and 214.3MB in the end (delta: -97.6MB). Peak memory consumption was 124.7MB. Max. memory is 16.1GB. * Witness Printer took 7.14ms. Allocated memory is still 257.9MB. Free memory is still 214.3MB. 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 someBinaryFLOATComparisonOperation at line 92, overapproximation of someBinaryArithmeticFLOAToperation at line 45. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22-L24] float float_Array_0[2][2] = { {50.4, 8.54}, {255.8, 1.8} }; [L22-L24] float float_Array_0[2][2] = { {50.4, 8.54}, {255.8, 1.8} }; [L22-L24] float float_Array_0[2][2] = { {50.4, 8.54}, {255.8, 1.8} }; [L22-L24] float float_Array_0[2][2] = { {50.4, 8.54}, {255.8, 1.8} }; [L22-L24] float float_Array_0[2][2] = { {50.4, 8.54}, {255.8, 1.8} }; [L25-L27] signed char signed_char_Array_0[2] = { -1, -16 }; [L25-L27] signed char signed_char_Array_0[2] = { -1, -16 }; [L25-L27] signed char signed_char_Array_0[2] = { -1, -16 }; [L28-L30] signed long int signed_long_int_Array_0[1] = { -64 }; [L28-L30] signed long int signed_long_int_Array_0[1] = { -64 }; [L31-L33] signed short int signed_short_int_Array_0[1] = { 0 }; [L31-L33] signed short int signed_short_int_Array_0[1] = { 0 }; [L34-L36] unsigned char unsigned_char_Array_0[2][2] = { {2, 0}, {32, 5} }; [L34-L36] unsigned char unsigned_char_Array_0[2][2] = { {2, 0}, {32, 5} }; [L34-L36] unsigned char unsigned_char_Array_0[2][2] = { {2, 0}, {32, 5} }; [L34-L36] unsigned char unsigned_char_Array_0[2][2] = { {2, 0}, {32, 5} }; [L34-L36] unsigned char unsigned_char_Array_0[2][2] = { {2, 0}, {32, 5} }; [L37-L39] unsigned long int unsigned_long_int_Array_0[2] = { 8, 16 }; [L37-L39] unsigned long int unsigned_long_int_Array_0[2] = { 8, 16 }; [L37-L39] unsigned long int unsigned_long_int_Array_0[2] = { 8, 16 }; [L40] unsigned char last_1_unsigned_char_Array_0_0__1_ = 0; VAL [float_Array_0={4:0}, isInitial=0, last_1_unsigned_char_Array_0_0__1_=0, signed_char_Array_0={5:0}, signed_long_int_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_long_int_Array_0={9:0}] [L96] isInitial = 1 [L97] FCALL initially() [L98] COND TRUE 1 [L99] CALL updateLastVariables() [L89] EXPR unsigned_char_Array_0[0][1] [L89] last_1_unsigned_char_Array_0_0__1_ = unsigned_char_Array_0[0][1] [L99] RET updateLastVariables() [L100] CALL updateVariables() [L62] float_Array_0[0][0] = __VERIFIER_nondet_float() [L63] EXPR float_Array_0[0][0] [L63] EXPR float_Array_0[0][0] >= 0.0F && float_Array_0[0][0] <= -1.0e-20F VAL [float_Array_0={4:0}, isInitial=1, last_1_unsigned_char_Array_0_0__1_=0, signed_char_Array_0={5:0}, signed_long_int_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_long_int_Array_0={9:0}] [L63] EXPR float_Array_0[0][0] >= 0.0F && float_Array_0[0][0] <= -1.0e-20F [L63] EXPR float_Array_0[0][0] [L63] EXPR float_Array_0[0][0] >= 0.0F && float_Array_0[0][0] <= -1.0e-20F VAL [float_Array_0={4:0}, isInitial=1, last_1_unsigned_char_Array_0_0__1_=0, signed_char_Array_0={5:0}, signed_long_int_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_long_int_Array_0={9:0}] [L63] EXPR (float_Array_0[0][0] >= 0.0F && float_Array_0[0][0] <= -1.0e-20F) || (float_Array_0[0][0] <= 4611686.018427382800e+12F && float_Array_0[0][0] >= 1.0e-20F ) VAL [float_Array_0={4:0}, isInitial=1, last_1_unsigned_char_Array_0_0__1_=0, signed_char_Array_0={5:0}, signed_long_int_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_long_int_Array_0={9:0}] [L63] EXPR (float_Array_0[0][0] >= 0.0F && float_Array_0[0][0] <= -1.0e-20F) || (float_Array_0[0][0] <= 4611686.018427382800e+12F && float_Array_0[0][0] >= 1.0e-20F ) VAL [float_Array_0={4:0}, isInitial=1, last_1_unsigned_char_Array_0_0__1_=0, signed_char_Array_0={5:0}, signed_long_int_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_long_int_Array_0={9:0}] [L63] CALL assume_abort_if_not((float_Array_0[0][0] >= 0.0F && float_Array_0[0][0] <= -1.0e-20F) || (float_Array_0[0][0] <= 4611686.018427382800e+12F && float_Array_0[0][0] >= 1.0e-20F )) VAL [\old(cond)=1, float_Array_0={4:0}, isInitial=1, last_1_unsigned_char_Array_0_0__1_=0, signed_char_Array_0={5:0}, signed_long_int_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_long_int_Array_0={9:0}] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, float_Array_0={4:0}, isInitial=1, last_1_unsigned_char_Array_0_0__1_=0, signed_char_Array_0={5:0}, signed_long_int_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_long_int_Array_0={9:0}] [L63] RET assume_abort_if_not((float_Array_0[0][0] >= 0.0F && float_Array_0[0][0] <= -1.0e-20F) || (float_Array_0[0][0] <= 4611686.018427382800e+12F && float_Array_0[0][0] >= 1.0e-20F )) VAL [float_Array_0={4:0}, isInitial=1, last_1_unsigned_char_Array_0_0__1_=0, signed_char_Array_0={5:0}, signed_long_int_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_long_int_Array_0={9:0}] [L64] float_Array_0[1][0] = __VERIFIER_nondet_float() [L65] EXPR float_Array_0[1][0] [L65] EXPR float_Array_0[1][0] >= 0.0F && float_Array_0[1][0] <= -1.0e-20F VAL [float_Array_0={4:0}, isInitial=1, last_1_unsigned_char_Array_0_0__1_=0, signed_char_Array_0={5:0}, signed_long_int_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_long_int_Array_0={9:0}] [L65] EXPR float_Array_0[1][0] >= 0.0F && float_Array_0[1][0] <= -1.0e-20F [L65] EXPR float_Array_0[1][0] [L65] EXPR float_Array_0[1][0] >= 0.0F && float_Array_0[1][0] <= -1.0e-20F VAL [float_Array_0={4:0}, isInitial=1, last_1_unsigned_char_Array_0_0__1_=0, signed_char_Array_0={5:0}, signed_long_int_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_long_int_Array_0={9:0}] [L65] EXPR (float_Array_0[1][0] >= 0.0F && float_Array_0[1][0] <= -1.0e-20F) || (float_Array_0[1][0] <= 4611686.018427382800e+12F && float_Array_0[1][0] >= 1.0e-20F ) VAL [float_Array_0={4:0}, isInitial=1, last_1_unsigned_char_Array_0_0__1_=0, signed_char_Array_0={5:0}, signed_long_int_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_long_int_Array_0={9:0}] [L65] EXPR (float_Array_0[1][0] >= 0.0F && float_Array_0[1][0] <= -1.0e-20F) || (float_Array_0[1][0] <= 4611686.018427382800e+12F && float_Array_0[1][0] >= 1.0e-20F ) VAL [float_Array_0={4:0}, isInitial=1, last_1_unsigned_char_Array_0_0__1_=0, signed_char_Array_0={5:0}, signed_long_int_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_long_int_Array_0={9:0}] [L65] CALL assume_abort_if_not((float_Array_0[1][0] >= 0.0F && float_Array_0[1][0] <= -1.0e-20F) || (float_Array_0[1][0] <= 4611686.018427382800e+12F && float_Array_0[1][0] >= 1.0e-20F )) VAL [\old(cond)=1, float_Array_0={4:0}, isInitial=1, last_1_unsigned_char_Array_0_0__1_=0, signed_char_Array_0={5:0}, signed_long_int_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_long_int_Array_0={9:0}] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, float_Array_0={4:0}, isInitial=1, last_1_unsigned_char_Array_0_0__1_=0, signed_char_Array_0={5:0}, signed_long_int_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_long_int_Array_0={9:0}] [L65] RET assume_abort_if_not((float_Array_0[1][0] >= 0.0F && float_Array_0[1][0] <= -1.0e-20F) || (float_Array_0[1][0] <= 4611686.018427382800e+12F && float_Array_0[1][0] >= 1.0e-20F )) VAL [float_Array_0={4:0}, isInitial=1, last_1_unsigned_char_Array_0_0__1_=0, signed_char_Array_0={5:0}, signed_long_int_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_long_int_Array_0={9:0}] [L66] float_Array_0[0][1] = __VERIFIER_nondet_float() [L67] EXPR float_Array_0[0][1] [L67] EXPR float_Array_0[0][1] >= 0.0F && float_Array_0[0][1] <= -1.0e-20F VAL [float_Array_0={4:0}, isInitial=1, last_1_unsigned_char_Array_0_0__1_=0, signed_char_Array_0={5:0}, signed_long_int_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_long_int_Array_0={9:0}] [L67] EXPR float_Array_0[0][1] >= 0.0F && float_Array_0[0][1] <= -1.0e-20F [L67] EXPR float_Array_0[0][1] [L67] EXPR float_Array_0[0][1] >= 0.0F && float_Array_0[0][1] <= -1.0e-20F VAL [float_Array_0={4:0}, isInitial=1, last_1_unsigned_char_Array_0_0__1_=0, signed_char_Array_0={5:0}, signed_long_int_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_long_int_Array_0={9:0}] [L67] EXPR (float_Array_0[0][1] >= 0.0F && float_Array_0[0][1] <= -1.0e-20F) || (float_Array_0[0][1] <= 4611686.018427382800e+12F && float_Array_0[0][1] >= 1.0e-20F ) VAL [float_Array_0={4:0}, isInitial=1, last_1_unsigned_char_Array_0_0__1_=0, signed_char_Array_0={5:0}, signed_long_int_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_long_int_Array_0={9:0}] [L67] EXPR (float_Array_0[0][1] >= 0.0F && float_Array_0[0][1] <= -1.0e-20F) || (float_Array_0[0][1] <= 4611686.018427382800e+12F && float_Array_0[0][1] >= 1.0e-20F ) VAL [float_Array_0={4:0}, isInitial=1, last_1_unsigned_char_Array_0_0__1_=0, signed_char_Array_0={5:0}, signed_long_int_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_long_int_Array_0={9:0}] [L67] CALL assume_abort_if_not((float_Array_0[0][1] >= 0.0F && float_Array_0[0][1] <= -1.0e-20F) || (float_Array_0[0][1] <= 4611686.018427382800e+12F && float_Array_0[0][1] >= 1.0e-20F )) VAL [\old(cond)=1, float_Array_0={4:0}, isInitial=1, last_1_unsigned_char_Array_0_0__1_=0, signed_char_Array_0={5:0}, signed_long_int_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_long_int_Array_0={9:0}] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, float_Array_0={4:0}, isInitial=1, last_1_unsigned_char_Array_0_0__1_=0, signed_char_Array_0={5:0}, signed_long_int_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_long_int_Array_0={9:0}] [L67] RET assume_abort_if_not((float_Array_0[0][1] >= 0.0F && float_Array_0[0][1] <= -1.0e-20F) || (float_Array_0[0][1] <= 4611686.018427382800e+12F && float_Array_0[0][1] >= 1.0e-20F )) VAL [float_Array_0={4:0}, isInitial=1, last_1_unsigned_char_Array_0_0__1_=0, signed_char_Array_0={5:0}, signed_long_int_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_long_int_Array_0={9:0}] [L68] signed_char_Array_0[1] = __VERIFIER_nondet_char() [L69] EXPR signed_char_Array_0[1] VAL [float_Array_0={4:0}, isInitial=1, last_1_unsigned_char_Array_0_0__1_=0, signed_char_Array_0={5:0}, signed_long_int_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_long_int_Array_0={9:0}] [L69] CALL assume_abort_if_not(signed_char_Array_0[1] >= -127) VAL [\old(cond)=1, float_Array_0={4:0}, isInitial=1, last_1_unsigned_char_Array_0_0__1_=0, signed_char_Array_0={5:0}, signed_long_int_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_long_int_Array_0={9:0}] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, float_Array_0={4:0}, isInitial=1, last_1_unsigned_char_Array_0_0__1_=0, signed_char_Array_0={5:0}, signed_long_int_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_long_int_Array_0={9:0}] [L69] RET assume_abort_if_not(signed_char_Array_0[1] >= -127) VAL [float_Array_0={4:0}, isInitial=1, last_1_unsigned_char_Array_0_0__1_=0, signed_char_Array_0={5:0}, signed_long_int_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_long_int_Array_0={9:0}] [L70] EXPR signed_char_Array_0[1] VAL [float_Array_0={4:0}, isInitial=1, last_1_unsigned_char_Array_0_0__1_=0, signed_char_Array_0={5:0}, signed_long_int_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_long_int_Array_0={9:0}] [L70] CALL assume_abort_if_not(signed_char_Array_0[1] <= 126) VAL [\old(cond)=1, float_Array_0={4:0}, isInitial=1, last_1_unsigned_char_Array_0_0__1_=0, signed_char_Array_0={5:0}, signed_long_int_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_long_int_Array_0={9:0}] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, float_Array_0={4:0}, isInitial=1, last_1_unsigned_char_Array_0_0__1_=0, signed_char_Array_0={5:0}, signed_long_int_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_long_int_Array_0={9:0}] [L70] RET assume_abort_if_not(signed_char_Array_0[1] <= 126) VAL [float_Array_0={4:0}, isInitial=1, last_1_unsigned_char_Array_0_0__1_=0, signed_char_Array_0={5:0}, signed_long_int_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_long_int_Array_0={9:0}] [L71] unsigned_char_Array_0[0][0] = __VERIFIER_nondet_uchar() [L72] EXPR unsigned_char_Array_0[0][0] VAL [float_Array_0={4:0}, isInitial=1, last_1_unsigned_char_Array_0_0__1_=0, signed_char_Array_0={5:0}, signed_long_int_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_long_int_Array_0={9:0}] [L72] CALL assume_abort_if_not(unsigned_char_Array_0[0][0] >= 0) VAL [\old(cond)=1, float_Array_0={4:0}, isInitial=1, last_1_unsigned_char_Array_0_0__1_=0, signed_char_Array_0={5:0}, signed_long_int_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_long_int_Array_0={9:0}] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, float_Array_0={4:0}, isInitial=1, last_1_unsigned_char_Array_0_0__1_=0, signed_char_Array_0={5:0}, signed_long_int_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_long_int_Array_0={9:0}] [L72] RET assume_abort_if_not(unsigned_char_Array_0[0][0] >= 0) VAL [float_Array_0={4:0}, isInitial=1, last_1_unsigned_char_Array_0_0__1_=0, signed_char_Array_0={5:0}, signed_long_int_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_long_int_Array_0={9:0}] [L73] EXPR unsigned_char_Array_0[0][0] VAL [float_Array_0={4:0}, isInitial=1, last_1_unsigned_char_Array_0_0__1_=0, signed_char_Array_0={5:0}, signed_long_int_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_long_int_Array_0={9:0}] [L73] CALL assume_abort_if_not(unsigned_char_Array_0[0][0] <= 127) VAL [\old(cond)=1, float_Array_0={4:0}, isInitial=1, last_1_unsigned_char_Array_0_0__1_=0, signed_char_Array_0={5:0}, signed_long_int_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_long_int_Array_0={9:0}] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, float_Array_0={4:0}, isInitial=1, last_1_unsigned_char_Array_0_0__1_=0, signed_char_Array_0={5:0}, signed_long_int_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_long_int_Array_0={9:0}] [L73] RET assume_abort_if_not(unsigned_char_Array_0[0][0] <= 127) VAL [float_Array_0={4:0}, isInitial=1, last_1_unsigned_char_Array_0_0__1_=0, signed_char_Array_0={5:0}, signed_long_int_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_long_int_Array_0={9:0}] [L74] unsigned_char_Array_0[1][0] = __VERIFIER_nondet_uchar() [L75] EXPR unsigned_char_Array_0[1][0] VAL [float_Array_0={4:0}, isInitial=1, last_1_unsigned_char_Array_0_0__1_=0, signed_char_Array_0={5:0}, signed_long_int_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_long_int_Array_0={9:0}] [L75] CALL assume_abort_if_not(unsigned_char_Array_0[1][0] >= 0) VAL [\old(cond)=1, float_Array_0={4:0}, isInitial=1, last_1_unsigned_char_Array_0_0__1_=0, signed_char_Array_0={5:0}, signed_long_int_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_long_int_Array_0={9:0}] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, float_Array_0={4:0}, isInitial=1, last_1_unsigned_char_Array_0_0__1_=0, signed_char_Array_0={5:0}, signed_long_int_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_long_int_Array_0={9:0}] [L75] RET assume_abort_if_not(unsigned_char_Array_0[1][0] >= 0) VAL [float_Array_0={4:0}, isInitial=1, last_1_unsigned_char_Array_0_0__1_=0, signed_char_Array_0={5:0}, signed_long_int_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_long_int_Array_0={9:0}] [L76] EXPR unsigned_char_Array_0[1][0] VAL [float_Array_0={4:0}, isInitial=1, last_1_unsigned_char_Array_0_0__1_=0, signed_char_Array_0={5:0}, signed_long_int_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_long_int_Array_0={9:0}] [L76] CALL assume_abort_if_not(unsigned_char_Array_0[1][0] <= 127) VAL [\old(cond)=1, float_Array_0={4:0}, isInitial=1, last_1_unsigned_char_Array_0_0__1_=0, signed_char_Array_0={5:0}, signed_long_int_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_long_int_Array_0={9:0}] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, float_Array_0={4:0}, isInitial=1, last_1_unsigned_char_Array_0_0__1_=0, signed_char_Array_0={5:0}, signed_long_int_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_long_int_Array_0={9:0}] [L76] RET assume_abort_if_not(unsigned_char_Array_0[1][0] <= 127) VAL [float_Array_0={4:0}, isInitial=1, last_1_unsigned_char_Array_0_0__1_=0, signed_char_Array_0={5:0}, signed_long_int_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_long_int_Array_0={9:0}] [L77] unsigned_char_Array_0[1][1] = __VERIFIER_nondet_uchar() [L78] EXPR unsigned_char_Array_0[1][1] VAL [float_Array_0={4:0}, isInitial=1, last_1_unsigned_char_Array_0_0__1_=0, signed_char_Array_0={5:0}, signed_long_int_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_long_int_Array_0={9:0}] [L78] CALL assume_abort_if_not(unsigned_char_Array_0[1][1] >= 0) VAL [\old(cond)=1, float_Array_0={4:0}, isInitial=1, last_1_unsigned_char_Array_0_0__1_=0, signed_char_Array_0={5:0}, signed_long_int_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_long_int_Array_0={9:0}] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, float_Array_0={4:0}, isInitial=1, last_1_unsigned_char_Array_0_0__1_=0, signed_char_Array_0={5:0}, signed_long_int_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_long_int_Array_0={9:0}] [L78] RET assume_abort_if_not(unsigned_char_Array_0[1][1] >= 0) VAL [float_Array_0={4:0}, isInitial=1, last_1_unsigned_char_Array_0_0__1_=0, signed_char_Array_0={5:0}, signed_long_int_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_long_int_Array_0={9:0}] [L79] EXPR unsigned_char_Array_0[1][1] VAL [float_Array_0={4:0}, isInitial=1, last_1_unsigned_char_Array_0_0__1_=0, signed_char_Array_0={5:0}, signed_long_int_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_long_int_Array_0={9:0}] [L79] CALL assume_abort_if_not(unsigned_char_Array_0[1][1] <= 127) VAL [\old(cond)=1, float_Array_0={4:0}, isInitial=1, last_1_unsigned_char_Array_0_0__1_=0, signed_char_Array_0={5:0}, signed_long_int_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_long_int_Array_0={9:0}] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, float_Array_0={4:0}, isInitial=1, last_1_unsigned_char_Array_0_0__1_=0, signed_char_Array_0={5:0}, signed_long_int_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_long_int_Array_0={9:0}] [L79] RET assume_abort_if_not(unsigned_char_Array_0[1][1] <= 127) VAL [float_Array_0={4:0}, isInitial=1, last_1_unsigned_char_Array_0_0__1_=0, signed_char_Array_0={5:0}, signed_long_int_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_long_int_Array_0={9:0}] [L80] unsigned_long_int_Array_0[0] = __VERIFIER_nondet_ulong() [L81] EXPR unsigned_long_int_Array_0[0] VAL [float_Array_0={4:0}, isInitial=1, last_1_unsigned_char_Array_0_0__1_=0, signed_char_Array_0={5:0}, signed_long_int_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_long_int_Array_0={9:0}] [L81] CALL assume_abort_if_not(unsigned_long_int_Array_0[0] >= 0) VAL [\old(cond)=1, float_Array_0={4:0}, isInitial=1, last_1_unsigned_char_Array_0_0__1_=0, signed_char_Array_0={5:0}, signed_long_int_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_long_int_Array_0={9:0}] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, float_Array_0={4:0}, isInitial=1, last_1_unsigned_char_Array_0_0__1_=0, signed_char_Array_0={5:0}, signed_long_int_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_long_int_Array_0={9:0}] [L81] RET assume_abort_if_not(unsigned_long_int_Array_0[0] >= 0) VAL [float_Array_0={4:0}, isInitial=1, last_1_unsigned_char_Array_0_0__1_=0, signed_char_Array_0={5:0}, signed_long_int_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_long_int_Array_0={9:0}] [L82] EXPR unsigned_long_int_Array_0[0] VAL [float_Array_0={4:0}, isInitial=1, last_1_unsigned_char_Array_0_0__1_=0, signed_char_Array_0={5:0}, signed_long_int_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_long_int_Array_0={9:0}] [L82] CALL assume_abort_if_not(unsigned_long_int_Array_0[0] <= 2147483647) VAL [\old(cond)=1, float_Array_0={4:0}, isInitial=1, last_1_unsigned_char_Array_0_0__1_=0, signed_char_Array_0={5:0}, signed_long_int_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_long_int_Array_0={9:0}] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, float_Array_0={4:0}, isInitial=1, last_1_unsigned_char_Array_0_0__1_=0, signed_char_Array_0={5:0}, signed_long_int_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_long_int_Array_0={9:0}] [L82] RET assume_abort_if_not(unsigned_long_int_Array_0[0] <= 2147483647) VAL [float_Array_0={4:0}, isInitial=1, last_1_unsigned_char_Array_0_0__1_=0, signed_char_Array_0={5:0}, signed_long_int_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_long_int_Array_0={9:0}] [L83] unsigned_long_int_Array_0[1] = __VERIFIER_nondet_ulong() [L84] EXPR unsigned_long_int_Array_0[1] VAL [float_Array_0={4:0}, isInitial=1, last_1_unsigned_char_Array_0_0__1_=0, signed_char_Array_0={5:0}, signed_long_int_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_long_int_Array_0={9:0}] [L84] CALL assume_abort_if_not(unsigned_long_int_Array_0[1] >= 0) VAL [\old(cond)=1, float_Array_0={4:0}, isInitial=1, last_1_unsigned_char_Array_0_0__1_=0, signed_char_Array_0={5:0}, signed_long_int_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_long_int_Array_0={9:0}] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, float_Array_0={4:0}, isInitial=1, last_1_unsigned_char_Array_0_0__1_=0, signed_char_Array_0={5:0}, signed_long_int_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_long_int_Array_0={9:0}] [L84] RET assume_abort_if_not(unsigned_long_int_Array_0[1] >= 0) VAL [float_Array_0={4:0}, isInitial=1, last_1_unsigned_char_Array_0_0__1_=0, signed_char_Array_0={5:0}, signed_long_int_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_long_int_Array_0={9:0}] [L85] EXPR unsigned_long_int_Array_0[1] VAL [float_Array_0={4:0}, isInitial=1, last_1_unsigned_char_Array_0_0__1_=0, signed_char_Array_0={5:0}, signed_long_int_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_long_int_Array_0={9:0}] [L85] CALL assume_abort_if_not(unsigned_long_int_Array_0[1] <= 4294967295) VAL [\old(cond)=1, float_Array_0={4:0}, isInitial=1, last_1_unsigned_char_Array_0_0__1_=0, signed_char_Array_0={5:0}, signed_long_int_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_long_int_Array_0={9:0}] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, float_Array_0={4:0}, isInitial=1, last_1_unsigned_char_Array_0_0__1_=0, signed_char_Array_0={5:0}, signed_long_int_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_long_int_Array_0={9:0}] [L85] RET assume_abort_if_not(unsigned_long_int_Array_0[1] <= 4294967295) VAL [float_Array_0={4:0}, isInitial=1, last_1_unsigned_char_Array_0_0__1_=0, signed_char_Array_0={5:0}, signed_long_int_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_long_int_Array_0={9:0}] [L86] EXPR unsigned_long_int_Array_0[1] VAL [float_Array_0={4:0}, isInitial=1, last_1_unsigned_char_Array_0_0__1_=0, signed_char_Array_0={5:0}, signed_long_int_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_long_int_Array_0={9:0}] [L86] CALL assume_abort_if_not(unsigned_long_int_Array_0[1] != 0) VAL [\old(cond)=1, float_Array_0={4:0}, isInitial=1, last_1_unsigned_char_Array_0_0__1_=0, signed_char_Array_0={5:0}, signed_long_int_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_long_int_Array_0={9:0}] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, float_Array_0={4:0}, isInitial=1, last_1_unsigned_char_Array_0_0__1_=0, signed_char_Array_0={5:0}, signed_long_int_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_long_int_Array_0={9:0}] [L86] RET assume_abort_if_not(unsigned_long_int_Array_0[1] != 0) VAL [float_Array_0={4:0}, isInitial=1, last_1_unsigned_char_Array_0_0__1_=0, signed_char_Array_0={5:0}, signed_long_int_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_long_int_Array_0={9:0}] [L100] RET updateVariables() [L101] CALL step() [L44] signed_long_int_Array_0[0] = ((((last_1_unsigned_char_Array_0_0__1_) < 0 ) ? -(last_1_unsigned_char_Array_0_0__1_) : (last_1_unsigned_char_Array_0_0__1_))) [L45] EXPR float_Array_0[0][1] [L45] EXPR float_Array_0[1][0] [L45] EXPR float_Array_0[0][0] VAL [float_Array_0={4:0}, isInitial=1, last_1_unsigned_char_Array_0_0__1_=0, signed_char_Array_0={5:0}, signed_long_int_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_long_int_Array_0={9:0}] [L45] EXPR ((256.5f) < ((float_Array_0[0][0] - 16.125f))) ? (256.5f) : ((float_Array_0[0][0] - 16.125f)) [L45] EXPR ((256.5f) < ((float_Array_0[0][0] - 16.125f))) ? (256.5f) : ((float_Array_0[0][0] - 16.125f)) VAL [float_Array_0={4:0}, isInitial=1, last_1_unsigned_char_Array_0_0__1_=0, signed_char_Array_0={5:0}, signed_long_int_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_long_int_Array_0={9:0}] [L45] float_Array_0[1][1] = ((float_Array_0[0][1] - float_Array_0[1][0]) + ((((256.5f) < ((float_Array_0[0][0] - 16.125f))) ? (256.5f) : ((float_Array_0[0][0] - 16.125f))))) [L46] EXPR signed_char_Array_0[1] [L46] signed_char_Array_0[0] = signed_char_Array_0[1] [L47] EXPR signed_char_Array_0[0] [L47] EXPR signed_long_int_Array_0[0] VAL [float_Array_0={4:0}, isInitial=1, last_1_unsigned_char_Array_0_0__1_=0, signed_char_Array_0={5:0}, signed_long_int_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_long_int_Array_0={9:0}] [L47] EXPR signed_char_Array_0[0] & signed_long_int_Array_0[0] VAL [float_Array_0={4:0}, isInitial=1, last_1_unsigned_char_Array_0_0__1_=0, signed_char_Array_0={5:0}, signed_long_int_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_long_int_Array_0={9:0}] [L47] signed long int stepLocal_0 = signed_char_Array_0[0] & signed_long_int_Array_0[0]; [L48] EXPR unsigned_long_int_Array_0[0] VAL [float_Array_0={4:0}, isInitial=1, last_1_unsigned_char_Array_0_0__1_=0, signed_char_Array_0={5:0}, signed_long_int_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_long_int_Array_0={9:0}] [L48] COND TRUE (- (3351680781u - unsigned_long_int_Array_0[0])) > stepLocal_0 [L49] EXPR unsigned_char_Array_0[1][0] [L49] EXPR unsigned_char_Array_0[1][1] VAL [float_Array_0={4:0}, isInitial=1, last_1_unsigned_char_Array_0_0__1_=0, signed_char_Array_0={5:0}, signed_long_int_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_long_int_Array_0={9:0}] [L49] EXPR ((unsigned_char_Array_0[1][1]) < 0 ) ? -(unsigned_char_Array_0[1][1]) : (unsigned_char_Array_0[1][1]) [L49] EXPR unsigned_char_Array_0[1][1] [L49] EXPR ((unsigned_char_Array_0[1][1]) < 0 ) ? -(unsigned_char_Array_0[1][1]) : (unsigned_char_Array_0[1][1]) VAL [float_Array_0={4:0}, isInitial=1, last_1_unsigned_char_Array_0_0__1_=0, signed_char_Array_0={5:0}, signed_long_int_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_long_int_Array_0={9:0}] [L49] EXPR ((unsigned_char_Array_0[1][0]) < (((((unsigned_char_Array_0[1][1]) < 0 ) ? -(unsigned_char_Array_0[1][1]) : (unsigned_char_Array_0[1][1]))))) ? (unsigned_char_Array_0[1][0]) : (((((unsigned_char_Array_0[1][1]) < 0 ) ? -(unsigned_char_Array_0[1][1]) : (unsigned_char_Array_0[1][1])))) [L49] EXPR unsigned_char_Array_0[1][0] [L49] EXPR ((unsigned_char_Array_0[1][0]) < (((((unsigned_char_Array_0[1][1]) < 0 ) ? -(unsigned_char_Array_0[1][1]) : (unsigned_char_Array_0[1][1]))))) ? (unsigned_char_Array_0[1][0]) : (((((unsigned_char_Array_0[1][1]) < 0 ) ? -(unsigned_char_Array_0[1][1]) : (unsigned_char_Array_0[1][1])))) VAL [float_Array_0={4:0}, isInitial=1, last_1_unsigned_char_Array_0_0__1_=0, signed_char_Array_0={5:0}, signed_long_int_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_long_int_Array_0={9:0}] [L49] EXPR unsigned_char_Array_0[0][0] [L49] unsigned_char_Array_0[0][1] = (((((unsigned_char_Array_0[1][0]) < (((((unsigned_char_Array_0[1][1]) < 0 ) ? -(unsigned_char_Array_0[1][1]) : (unsigned_char_Array_0[1][1]))))) ? (unsigned_char_Array_0[1][0]) : (((((unsigned_char_Array_0[1][1]) < 0 ) ? -(unsigned_char_Array_0[1][1]) : (unsigned_char_Array_0[1][1])))))) + unsigned_char_Array_0[0][0]) [L51] EXPR signed_char_Array_0[0] [L51] EXPR unsigned_long_int_Array_0[1] [L51] EXPR unsigned_char_Array_0[0][1] [L51] EXPR unsigned_char_Array_0[0][1] VAL [float_Array_0={4:0}, isInitial=1, last_1_unsigned_char_Array_0_0__1_=0, signed_char_Array_0={5:0}, signed_long_int_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_long_int_Array_0={9:0}] [L51] EXPR unsigned_char_Array_0[0][1] >> unsigned_char_Array_0[0][1] VAL [float_Array_0={4:0}, isInitial=1, last_1_unsigned_char_Array_0_0__1_=0, signed_char_Array_0={5:0}, signed_long_int_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_long_int_Array_0={9:0}] [L51] COND FALSE !((signed_char_Array_0[0] / unsigned_long_int_Array_0[1]) < (unsigned_char_Array_0[0][1] >> unsigned_char_Array_0[0][1])) [L54] EXPR signed_char_Array_0[0] [L54] EXPR signed_long_int_Array_0[0] VAL [float_Array_0={4:0}, isInitial=1, last_1_unsigned_char_Array_0_0__1_=0, signed_char_Array_0={5:0}, signed_long_int_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_long_int_Array_0={9:0}] [L54] COND TRUE signed_char_Array_0[0] >= signed_long_int_Array_0[0] [L55] EXPR unsigned_char_Array_0[0][0] [L55] EXPR unsigned_char_Array_0[1][1] [L55] signed_short_int_Array_0[0] = (-5 + (unsigned_char_Array_0[0][0] - unsigned_char_Array_0[1][1])) [L101] RET step() [L102] CALL, EXPR property() [L92] EXPR signed_long_int_Array_0[0] [L92] EXPR (signed_long_int_Array_0[0] == ((signed long int) ((((last_1_unsigned_char_Array_0_0__1_) < 0 ) ? -(last_1_unsigned_char_Array_0_0__1_) : (last_1_unsigned_char_Array_0_0__1_))))) && (float_Array_0[1][1] == ((float) ((float_Array_0[0][1] - float_Array_0[1][0]) + ((((256.5f) < ((float_Array_0[0][0] - 16.125f))) ? (256.5f) : ((float_Array_0[0][0] - 16.125f))))))) VAL [float_Array_0={4:0}, isInitial=1, last_1_unsigned_char_Array_0_0__1_=0, signed_char_Array_0={5:0}, signed_long_int_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_long_int_Array_0={9:0}] [L92] EXPR (signed_long_int_Array_0[0] == ((signed long int) ((((last_1_unsigned_char_Array_0_0__1_) < 0 ) ? -(last_1_unsigned_char_Array_0_0__1_) : (last_1_unsigned_char_Array_0_0__1_))))) && (float_Array_0[1][1] == ((float) ((float_Array_0[0][1] - float_Array_0[1][0]) + ((((256.5f) < ((float_Array_0[0][0] - 16.125f))) ? (256.5f) : ((float_Array_0[0][0] - 16.125f))))))) [L92] EXPR float_Array_0[1][1] [L92] EXPR float_Array_0[0][1] [L92] EXPR float_Array_0[1][0] [L92] EXPR float_Array_0[0][0] VAL [float_Array_0={4:0}, isInitial=1, last_1_unsigned_char_Array_0_0__1_=0, signed_char_Array_0={5:0}, signed_long_int_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_long_int_Array_0={9:0}] [L92] EXPR ((256.5f) < ((float_Array_0[0][0] - 16.125f))) ? (256.5f) : ((float_Array_0[0][0] - 16.125f)) [L92] EXPR ((256.5f) < ((float_Array_0[0][0] - 16.125f))) ? (256.5f) : ((float_Array_0[0][0] - 16.125f)) VAL [float_Array_0={4:0}, isInitial=1, last_1_unsigned_char_Array_0_0__1_=0, signed_char_Array_0={5:0}, signed_long_int_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_long_int_Array_0={9:0}] [L92] EXPR (signed_long_int_Array_0[0] == ((signed long int) ((((last_1_unsigned_char_Array_0_0__1_) < 0 ) ? -(last_1_unsigned_char_Array_0_0__1_) : (last_1_unsigned_char_Array_0_0__1_))))) && (float_Array_0[1][1] == ((float) ((float_Array_0[0][1] - float_Array_0[1][0]) + ((((256.5f) < ((float_Array_0[0][0] - 16.125f))) ? (256.5f) : ((float_Array_0[0][0] - 16.125f))))))) VAL [float_Array_0={4:0}, isInitial=1, last_1_unsigned_char_Array_0_0__1_=0, signed_char_Array_0={5:0}, signed_long_int_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_long_int_Array_0={9:0}] [L92] EXPR ((signed_long_int_Array_0[0] == ((signed long int) ((((last_1_unsigned_char_Array_0_0__1_) < 0 ) ? -(last_1_unsigned_char_Array_0_0__1_) : (last_1_unsigned_char_Array_0_0__1_))))) && (float_Array_0[1][1] == ((float) ((float_Array_0[0][1] - float_Array_0[1][0]) + ((((256.5f) < ((float_Array_0[0][0] - 16.125f))) ? (256.5f) : ((float_Array_0[0][0] - 16.125f)))))))) && (((- (3351680781u - unsigned_long_int_Array_0[0])) > (signed_char_Array_0[0] & signed_long_int_Array_0[0])) ? (unsigned_char_Array_0[0][1] == ((unsigned char) (((((unsigned_char_Array_0[1][0]) < (((((unsigned_char_Array_0[1][1]) < 0 ) ? -(unsigned_char_Array_0[1][1]) : (unsigned_char_Array_0[1][1]))))) ? (unsigned_char_Array_0[1][0]) : (((((unsigned_char_Array_0[1][1]) < 0 ) ? -(unsigned_char_Array_0[1][1]) : (unsigned_char_Array_0[1][1])))))) + unsigned_char_Array_0[0][0]))) : 1) VAL [float_Array_0={4:0}, isInitial=1, last_1_unsigned_char_Array_0_0__1_=0, signed_char_Array_0={5:0}, signed_long_int_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_long_int_Array_0={9:0}] [L92] EXPR ((signed_long_int_Array_0[0] == ((signed long int) ((((last_1_unsigned_char_Array_0_0__1_) < 0 ) ? -(last_1_unsigned_char_Array_0_0__1_) : (last_1_unsigned_char_Array_0_0__1_))))) && (float_Array_0[1][1] == ((float) ((float_Array_0[0][1] - float_Array_0[1][0]) + ((((256.5f) < ((float_Array_0[0][0] - 16.125f))) ? (256.5f) : ((float_Array_0[0][0] - 16.125f)))))))) && (((- (3351680781u - unsigned_long_int_Array_0[0])) > (signed_char_Array_0[0] & signed_long_int_Array_0[0])) ? (unsigned_char_Array_0[0][1] == ((unsigned char) (((((unsigned_char_Array_0[1][0]) < (((((unsigned_char_Array_0[1][1]) < 0 ) ? -(unsigned_char_Array_0[1][1]) : (unsigned_char_Array_0[1][1]))))) ? (unsigned_char_Array_0[1][0]) : (((((unsigned_char_Array_0[1][1]) < 0 ) ? -(unsigned_char_Array_0[1][1]) : (unsigned_char_Array_0[1][1])))))) + unsigned_char_Array_0[0][0]))) : 1) VAL [float_Array_0={4:0}, isInitial=1, last_1_unsigned_char_Array_0_0__1_=0, signed_char_Array_0={5:0}, signed_long_int_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_long_int_Array_0={9:0}] [L92] EXPR (((signed_long_int_Array_0[0] == ((signed long int) ((((last_1_unsigned_char_Array_0_0__1_) < 0 ) ? -(last_1_unsigned_char_Array_0_0__1_) : (last_1_unsigned_char_Array_0_0__1_))))) && (float_Array_0[1][1] == ((float) ((float_Array_0[0][1] - float_Array_0[1][0]) + ((((256.5f) < ((float_Array_0[0][0] - 16.125f))) ? (256.5f) : ((float_Array_0[0][0] - 16.125f)))))))) && (((- (3351680781u - unsigned_long_int_Array_0[0])) > (signed_char_Array_0[0] & signed_long_int_Array_0[0])) ? (unsigned_char_Array_0[0][1] == ((unsigned char) (((((unsigned_char_Array_0[1][0]) < (((((unsigned_char_Array_0[1][1]) < 0 ) ? -(unsigned_char_Array_0[1][1]) : (unsigned_char_Array_0[1][1]))))) ? (unsigned_char_Array_0[1][0]) : (((((unsigned_char_Array_0[1][1]) < 0 ) ? -(unsigned_char_Array_0[1][1]) : (unsigned_char_Array_0[1][1])))))) + unsigned_char_Array_0[0][0]))) : 1)) && (((signed_char_Array_0[0] / unsigned_long_int_Array_0[1]) < (unsigned_char_Array_0[0][1] >> unsigned_char_Array_0[0][1])) ? (signed_short_int_Array_0[0] == ((signed short int) ((((4 - unsigned_char_Array_0[1][1]) < 0 ) ? -(4 - unsigned_char_Array_0[1][1]) : (4 - unsigned_char_Array_0[1][1]))))) : ((signed_char_Array_0[0] >= signed_long_int_Array_0[0]) ? (signed_short_int_Array_0[0] == ((signed short int) (-5 + (unsigned_char_Array_0[0][0] - unsigned_char_Array_0[1][1])))) : (signed_short_int_Array_0[0] == ((signed short int) 256)))) VAL [float_Array_0={4:0}, isInitial=1, last_1_unsigned_char_Array_0_0__1_=0, signed_char_Array_0={5:0}, signed_long_int_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_long_int_Array_0={9:0}] [L92] EXPR (((signed_long_int_Array_0[0] == ((signed long int) ((((last_1_unsigned_char_Array_0_0__1_) < 0 ) ? -(last_1_unsigned_char_Array_0_0__1_) : (last_1_unsigned_char_Array_0_0__1_))))) && (float_Array_0[1][1] == ((float) ((float_Array_0[0][1] - float_Array_0[1][0]) + ((((256.5f) < ((float_Array_0[0][0] - 16.125f))) ? (256.5f) : ((float_Array_0[0][0] - 16.125f)))))))) && (((- (3351680781u - unsigned_long_int_Array_0[0])) > (signed_char_Array_0[0] & signed_long_int_Array_0[0])) ? (unsigned_char_Array_0[0][1] == ((unsigned char) (((((unsigned_char_Array_0[1][0]) < (((((unsigned_char_Array_0[1][1]) < 0 ) ? -(unsigned_char_Array_0[1][1]) : (unsigned_char_Array_0[1][1]))))) ? (unsigned_char_Array_0[1][0]) : (((((unsigned_char_Array_0[1][1]) < 0 ) ? -(unsigned_char_Array_0[1][1]) : (unsigned_char_Array_0[1][1])))))) + unsigned_char_Array_0[0][0]))) : 1)) && (((signed_char_Array_0[0] / unsigned_long_int_Array_0[1]) < (unsigned_char_Array_0[0][1] >> unsigned_char_Array_0[0][1])) ? (signed_short_int_Array_0[0] == ((signed short int) ((((4 - unsigned_char_Array_0[1][1]) < 0 ) ? -(4 - unsigned_char_Array_0[1][1]) : (4 - unsigned_char_Array_0[1][1]))))) : ((signed_char_Array_0[0] >= signed_long_int_Array_0[0]) ? (signed_short_int_Array_0[0] == ((signed short int) (-5 + (unsigned_char_Array_0[0][0] - unsigned_char_Array_0[1][1])))) : (signed_short_int_Array_0[0] == ((signed short int) 256)))) VAL [float_Array_0={4:0}, isInitial=1, last_1_unsigned_char_Array_0_0__1_=0, signed_char_Array_0={5:0}, signed_long_int_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_long_int_Array_0={9:0}] [L92] EXPR ((((signed_long_int_Array_0[0] == ((signed long int) ((((last_1_unsigned_char_Array_0_0__1_) < 0 ) ? -(last_1_unsigned_char_Array_0_0__1_) : (last_1_unsigned_char_Array_0_0__1_))))) && (float_Array_0[1][1] == ((float) ((float_Array_0[0][1] - float_Array_0[1][0]) + ((((256.5f) < ((float_Array_0[0][0] - 16.125f))) ? (256.5f) : ((float_Array_0[0][0] - 16.125f)))))))) && (((- (3351680781u - unsigned_long_int_Array_0[0])) > (signed_char_Array_0[0] & signed_long_int_Array_0[0])) ? (unsigned_char_Array_0[0][1] == ((unsigned char) (((((unsigned_char_Array_0[1][0]) < (((((unsigned_char_Array_0[1][1]) < 0 ) ? -(unsigned_char_Array_0[1][1]) : (unsigned_char_Array_0[1][1]))))) ? (unsigned_char_Array_0[1][0]) : (((((unsigned_char_Array_0[1][1]) < 0 ) ? -(unsigned_char_Array_0[1][1]) : (unsigned_char_Array_0[1][1])))))) + unsigned_char_Array_0[0][0]))) : 1)) && (((signed_char_Array_0[0] / unsigned_long_int_Array_0[1]) < (unsigned_char_Array_0[0][1] >> unsigned_char_Array_0[0][1])) ? (signed_short_int_Array_0[0] == ((signed short int) ((((4 - unsigned_char_Array_0[1][1]) < 0 ) ? -(4 - unsigned_char_Array_0[1][1]) : (4 - unsigned_char_Array_0[1][1]))))) : ((signed_char_Array_0[0] >= signed_long_int_Array_0[0]) ? (signed_short_int_Array_0[0] == ((signed short int) (-5 + (unsigned_char_Array_0[0][0] - unsigned_char_Array_0[1][1])))) : (signed_short_int_Array_0[0] == ((signed short int) 256))))) && (signed_char_Array_0[0] == ((signed char) signed_char_Array_0[1])) VAL [float_Array_0={4:0}, isInitial=1, last_1_unsigned_char_Array_0_0__1_=0, signed_char_Array_0={5:0}, signed_long_int_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_long_int_Array_0={9:0}] [L92] EXPR ((((signed_long_int_Array_0[0] == ((signed long int) ((((last_1_unsigned_char_Array_0_0__1_) < 0 ) ? -(last_1_unsigned_char_Array_0_0__1_) : (last_1_unsigned_char_Array_0_0__1_))))) && (float_Array_0[1][1] == ((float) ((float_Array_0[0][1] - float_Array_0[1][0]) + ((((256.5f) < ((float_Array_0[0][0] - 16.125f))) ? (256.5f) : ((float_Array_0[0][0] - 16.125f)))))))) && (((- (3351680781u - unsigned_long_int_Array_0[0])) > (signed_char_Array_0[0] & signed_long_int_Array_0[0])) ? (unsigned_char_Array_0[0][1] == ((unsigned char) (((((unsigned_char_Array_0[1][0]) < (((((unsigned_char_Array_0[1][1]) < 0 ) ? -(unsigned_char_Array_0[1][1]) : (unsigned_char_Array_0[1][1]))))) ? (unsigned_char_Array_0[1][0]) : (((((unsigned_char_Array_0[1][1]) < 0 ) ? -(unsigned_char_Array_0[1][1]) : (unsigned_char_Array_0[1][1])))))) + unsigned_char_Array_0[0][0]))) : 1)) && (((signed_char_Array_0[0] / unsigned_long_int_Array_0[1]) < (unsigned_char_Array_0[0][1] >> unsigned_char_Array_0[0][1])) ? (signed_short_int_Array_0[0] == ((signed short int) ((((4 - unsigned_char_Array_0[1][1]) < 0 ) ? -(4 - unsigned_char_Array_0[1][1]) : (4 - unsigned_char_Array_0[1][1]))))) : ((signed_char_Array_0[0] >= signed_long_int_Array_0[0]) ? (signed_short_int_Array_0[0] == ((signed short int) (-5 + (unsigned_char_Array_0[0][0] - unsigned_char_Array_0[1][1])))) : (signed_short_int_Array_0[0] == ((signed short int) 256))))) && (signed_char_Array_0[0] == ((signed char) signed_char_Array_0[1])) VAL [float_Array_0={4:0}, isInitial=1, last_1_unsigned_char_Array_0_0__1_=0, signed_char_Array_0={5:0}, signed_long_int_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_long_int_Array_0={9:0}] [L92-L93] return ((((signed_long_int_Array_0[0] == ((signed long int) ((((last_1_unsigned_char_Array_0_0__1_) < 0 ) ? -(last_1_unsigned_char_Array_0_0__1_) : (last_1_unsigned_char_Array_0_0__1_))))) && (float_Array_0[1][1] == ((float) ((float_Array_0[0][1] - float_Array_0[1][0]) + ((((256.5f) < ((float_Array_0[0][0] - 16.125f))) ? (256.5f) : ((float_Array_0[0][0] - 16.125f)))))))) && (((- (3351680781u - unsigned_long_int_Array_0[0])) > (signed_char_Array_0[0] & signed_long_int_Array_0[0])) ? (unsigned_char_Array_0[0][1] == ((unsigned char) (((((unsigned_char_Array_0[1][0]) < (((((unsigned_char_Array_0[1][1]) < 0 ) ? -(unsigned_char_Array_0[1][1]) : (unsigned_char_Array_0[1][1]))))) ? (unsigned_char_Array_0[1][0]) : (((((unsigned_char_Array_0[1][1]) < 0 ) ? -(unsigned_char_Array_0[1][1]) : (unsigned_char_Array_0[1][1])))))) + unsigned_char_Array_0[0][0]))) : 1)) && (((signed_char_Array_0[0] / unsigned_long_int_Array_0[1]) < (unsigned_char_Array_0[0][1] >> unsigned_char_Array_0[0][1])) ? (signed_short_int_Array_0[0] == ((signed short int) ((((4 - unsigned_char_Array_0[1][1]) < 0 ) ? -(4 - unsigned_char_Array_0[1][1]) : (4 - unsigned_char_Array_0[1][1]))))) : ((signed_char_Array_0[0] >= signed_long_int_Array_0[0]) ? (signed_short_int_Array_0[0] == ((signed short int) (-5 + (unsigned_char_Array_0[0][0] - unsigned_char_Array_0[1][1])))) : (signed_short_int_Array_0[0] == ((signed short int) 256))))) && (signed_char_Array_0[0] == ((signed char) signed_char_Array_0[1])) ; [L102] RET, EXPR property() [L102] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [float_Array_0={4:0}, isInitial=1, last_1_unsigned_char_Array_0_0__1_=0, signed_char_Array_0={5:0}, signed_long_int_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_long_int_Array_0={9:0}] [L19] reach_error() VAL [float_Array_0={4:0}, isInitial=1, last_1_unsigned_char_Array_0_0__1_=0, signed_char_Array_0={5:0}, signed_long_int_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_long_int_Array_0={9:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 114 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 12.0s, OverallIterations: 6, TraceHistogramMax: 16, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 2.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 659 SdHoareTripleChecker+Valid, 1.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 659 mSDsluCounter, 2871 SdHoareTripleChecker+Invalid, 1.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 2166 mSDsCounter, 167 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 856 IncrementalHoareTripleChecker+Invalid, 1023 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 167 mSolverCounterUnsat, 705 mSDtfsCounter, 856 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 495 GetRequests, 446 SyntacticMatches, 0 SemanticMatches, 49 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 146 ImplicationChecksByTransitivity, 1.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=181occurred in iteration=5, InterpolantAutomatonStates: 36, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 5 MinimizatonAttempts, 54 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.3s SsaConstructionTime, 1.5s SatisfiabilityAnalysisTime, 5.7s InterpolantComputationTime, 1073 NumberOfCodeBlocks, 1073 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 926 ConstructedInterpolants, 0 QuantifiedInterpolants, 2369 SizeOfPredicates, 7 NumberOfNonLiveVariables, 477 ConjunctsInSsa, 16 ConjunctsInUnsatCore, 7 InterpolantComputations, 4 PerfectInterpolantSequences, 3333/3360 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 18:28:25,110 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_366b1412-eb5c-4de7-9773-007888ff20fe/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_366b1412-eb5c-4de7-9773-007888ff20fe/bin/uautomizer-verify-jihMAELWvX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_366b1412-eb5c-4de7-9773-007888ff20fe/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_366b1412-eb5c-4de7-9773-007888ff20fe/bin/uautomizer-verify-jihMAELWvX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_366b1412-eb5c-4de7-9773-007888ff20fe/bin/uautomizer-verify-jihMAELWvX/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-95.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_366b1412-eb5c-4de7-9773-007888ff20fe/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_366b1412-eb5c-4de7-9773-007888ff20fe/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 fc5530f3297a60a6e62c32967b204622cc9ceb16e657d6b09a8ffa710c752296 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 18:28:28,009 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 18:28:28,128 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_366b1412-eb5c-4de7-9773-007888ff20fe/bin/uautomizer-verify-jihMAELWvX/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2024-11-08 18:28:28,136 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 18:28:28,137 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-08 18:28:28,170 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 18:28:28,171 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-08 18:28:28,171 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-08 18:28:28,172 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-08 18:28:28,172 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-08 18:28:28,172 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 18:28:28,173 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-08 18:28:28,173 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 18:28:28,174 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 18:28:28,174 INFO L153 SettingsManager]: * Use SBE=true [2024-11-08 18:28:28,175 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 18:28:28,175 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 18:28:28,176 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-08 18:28:28,176 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-08 18:28:28,176 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 18:28:28,177 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 18:28:28,177 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 18:28:28,178 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 18:28:28,181 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-08 18:28:28,182 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-08 18:28:28,182 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 18:28:28,182 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-08 18:28:28,183 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-08 18:28:28,183 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 18:28:28,183 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 18:28:28,183 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 18:28:28,184 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-08 18:28:28,184 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-08 18:28:28,184 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-08 18:28:28,185 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-08 18:28:28,186 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 18:28:28,186 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 18:28:28,187 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 18:28:28,188 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2024-11-08 18:28:28,188 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-08 18:28:28,189 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-08 18:28:28,189 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-08 18:28:28,190 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-08 18:28:28,190 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-08 18:28:28,191 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_366b1412-eb5c-4de7-9773-007888ff20fe/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_366b1412-eb5c-4de7-9773-007888ff20fe/bin/uautomizer-verify-jihMAELWvX Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> fc5530f3297a60a6e62c32967b204622cc9ceb16e657d6b09a8ffa710c752296 [2024-11-08 18:28:28,653 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 18:28:28,697 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 18:28:28,701 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 18:28:28,703 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 18:28:28,704 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 18:28:28,705 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_366b1412-eb5c-4de7-9773-007888ff20fe/bin/uautomizer-verify-jihMAELWvX/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-95.i Unable to find full path for "g++" [2024-11-08 18:28:31,416 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 18:28:31,763 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 18:28:31,764 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_366b1412-eb5c-4de7-9773-007888ff20fe/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-95.i [2024-11-08 18:28:31,782 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_366b1412-eb5c-4de7-9773-007888ff20fe/bin/uautomizer-verify-jihMAELWvX/data/6d0edb639/2cc0db62c96843569c5ac304a79b05c3/FLAGdbe3b7e4c [2024-11-08 18:28:32,020 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_366b1412-eb5c-4de7-9773-007888ff20fe/bin/uautomizer-verify-jihMAELWvX/data/6d0edb639/2cc0db62c96843569c5ac304a79b05c3 [2024-11-08 18:28:32,023 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 18:28:32,025 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 18:28:32,027 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 18:28:32,027 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 18:28:32,036 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 18:28:32,037 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 06:28:32" (1/1) ... [2024-11-08 18:28:32,039 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@36d1a3e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:28:32, skipping insertion in model container [2024-11-08 18:28:32,040 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 06:28:32" (1/1) ... [2024-11-08 18:28:32,087 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 18:28:32,294 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_366b1412-eb5c-4de7-9773-007888ff20fe/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-95.i[916,929] [2024-11-08 18:28:32,389 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 18:28:32,410 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 18:28:32,428 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_366b1412-eb5c-4de7-9773-007888ff20fe/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-95.i[916,929] [2024-11-08 18:28:32,496 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 18:28:32,542 INFO L204 MainTranslator]: Completed translation [2024-11-08 18:28:32,543 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:28:32 WrapperNode [2024-11-08 18:28:32,544 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 18:28:32,545 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 18:28:32,545 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 18:28:32,546 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 18:28:32,556 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:28:32" (1/1) ... [2024-11-08 18:28:32,618 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:28:32" (1/1) ... [2024-11-08 18:28:32,706 INFO L138 Inliner]: procedures = 36, calls = 154, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 451 [2024-11-08 18:28:32,707 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 18:28:32,707 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 18:28:32,707 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 18:28:32,708 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 18:28:32,754 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:28:32" (1/1) ... [2024-11-08 18:28:32,755 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:28:32" (1/1) ... [2024-11-08 18:28:32,769 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:28:32" (1/1) ... [2024-11-08 18:28:32,825 INFO L175 MemorySlicer]: Split 121 memory accesses to 7 slices as follows [2, 29, 15, 7, 7, 48, 13]. 40 percent of accesses are in the largest equivalence class. The 16 initializations are split as follows [2, 4, 2, 1, 1, 4, 2]. The 16 writes are split as follows [0, 4, 2, 1, 3, 4, 2]. [2024-11-08 18:28:32,829 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:28:32" (1/1) ... [2024-11-08 18:28:32,829 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:28:32" (1/1) ... [2024-11-08 18:28:32,876 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:28:32" (1/1) ... [2024-11-08 18:28:32,889 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:28:32" (1/1) ... [2024-11-08 18:28:32,901 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:28:32" (1/1) ... [2024-11-08 18:28:32,908 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:28:32" (1/1) ... [2024-11-08 18:28:32,916 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 18:28:32,917 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 18:28:32,918 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 18:28:32,918 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 18:28:32,919 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:28:32" (1/1) ... [2024-11-08 18:28:32,935 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-08 18:28:32,959 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_366b1412-eb5c-4de7-9773-007888ff20fe/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 18:28:32,980 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_366b1412-eb5c-4de7-9773-007888ff20fe/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-08 18:28:32,986 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_366b1412-eb5c-4de7-9773-007888ff20fe/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-08 18:28:33,038 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 18:28:33,041 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#0 [2024-11-08 18:28:33,041 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#1 [2024-11-08 18:28:33,041 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#2 [2024-11-08 18:28:33,042 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#3 [2024-11-08 18:28:33,042 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#4 [2024-11-08 18:28:33,042 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#5 [2024-11-08 18:28:33,042 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#6 [2024-11-08 18:28:33,043 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#0 [2024-11-08 18:28:33,043 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#1 [2024-11-08 18:28:33,043 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#2 [2024-11-08 18:28:33,043 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#3 [2024-11-08 18:28:33,043 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#4 [2024-11-08 18:28:33,046 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#5 [2024-11-08 18:28:33,046 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#6 [2024-11-08 18:28:33,047 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-08 18:28:33,047 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#1 [2024-11-08 18:28:33,047 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#2 [2024-11-08 18:28:33,048 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#3 [2024-11-08 18:28:33,048 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#4 [2024-11-08 18:28:33,048 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#5 [2024-11-08 18:28:33,048 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#6 [2024-11-08 18:28:33,048 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#0 [2024-11-08 18:28:33,049 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#1 [2024-11-08 18:28:33,049 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#2 [2024-11-08 18:28:33,049 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#3 [2024-11-08 18:28:33,049 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#4 [2024-11-08 18:28:33,050 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#5 [2024-11-08 18:28:33,051 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#6 [2024-11-08 18:28:33,052 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#0 [2024-11-08 18:28:33,052 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#1 [2024-11-08 18:28:33,052 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#2 [2024-11-08 18:28:33,052 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#3 [2024-11-08 18:28:33,053 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#4 [2024-11-08 18:28:33,053 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#5 [2024-11-08 18:28:33,053 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#6 [2024-11-08 18:28:33,053 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#0 [2024-11-08 18:28:33,053 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#1 [2024-11-08 18:28:33,054 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#2 [2024-11-08 18:28:33,054 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#3 [2024-11-08 18:28:33,054 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#4 [2024-11-08 18:28:33,054 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#5 [2024-11-08 18:28:33,054 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#6 [2024-11-08 18:28:33,055 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#0 [2024-11-08 18:28:33,055 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#1 [2024-11-08 18:28:33,055 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#2 [2024-11-08 18:28:33,055 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#3 [2024-11-08 18:28:33,055 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#4 [2024-11-08 18:28:33,055 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#5 [2024-11-08 18:28:33,056 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#6 [2024-11-08 18:28:33,056 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#0 [2024-11-08 18:28:33,056 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#1 [2024-11-08 18:28:33,056 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#2 [2024-11-08 18:28:33,056 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#3 [2024-11-08 18:28:33,056 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#4 [2024-11-08 18:28:33,057 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#5 [2024-11-08 18:28:33,057 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#6 [2024-11-08 18:28:33,057 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#0 [2024-11-08 18:28:33,057 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#1 [2024-11-08 18:28:33,057 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#2 [2024-11-08 18:28:33,057 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#3 [2024-11-08 18:28:33,059 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#4 [2024-11-08 18:28:33,059 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#5 [2024-11-08 18:28:33,059 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#6 [2024-11-08 18:28:33,060 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-08 18:28:33,060 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-08 18:28:33,060 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 18:28:33,060 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 18:28:33,060 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#0 [2024-11-08 18:28:33,061 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#1 [2024-11-08 18:28:33,061 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#2 [2024-11-08 18:28:33,061 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#3 [2024-11-08 18:28:33,061 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#4 [2024-11-08 18:28:33,062 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#5 [2024-11-08 18:28:33,062 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#6 [2024-11-08 18:28:33,063 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#0 [2024-11-08 18:28:33,063 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#1 [2024-11-08 18:28:33,063 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#2 [2024-11-08 18:28:33,063 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#3 [2024-11-08 18:28:33,064 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#4 [2024-11-08 18:28:33,064 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#5 [2024-11-08 18:28:33,064 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#6 [2024-11-08 18:28:33,064 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#0 [2024-11-08 18:28:33,065 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#1 [2024-11-08 18:28:33,065 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#2 [2024-11-08 18:28:33,065 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#3 [2024-11-08 18:28:33,066 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#4 [2024-11-08 18:28:33,067 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#5 [2024-11-08 18:28:33,067 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#6 [2024-11-08 18:28:33,380 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 18:28:33,384 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 18:28:35,329 INFO L? ?]: Removed 108 outVars from TransFormulas that were not future-live. [2024-11-08 18:28:35,331 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 18:28:35,368 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 18:28:35,368 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-08 18:28:35,369 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 06:28:35 BoogieIcfgContainer [2024-11-08 18:28:35,370 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 18:28:35,374 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-08 18:28:35,375 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-08 18:28:35,379 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-08 18:28:35,379 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.11 06:28:32" (1/3) ... [2024-11-08 18:28:35,381 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5a256080 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 06:28:35, skipping insertion in model container [2024-11-08 18:28:35,381 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:28:32" (2/3) ... [2024-11-08 18:28:35,382 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5a256080 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 06:28:35, skipping insertion in model container [2024-11-08 18:28:35,382 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 06:28:35" (3/3) ... [2024-11-08 18:28:35,386 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_wrapper-a_file-95.i [2024-11-08 18:28:35,414 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-08 18:28:35,414 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-08 18:28:35,510 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-08 18:28:35,519 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;@31792ca8, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-08 18:28:35,520 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-08 18:28:35,526 INFO L276 IsEmpty]: Start isEmpty. Operand has 103 states, 84 states have (on average 1.4047619047619047) internal successors, (118), 85 states have internal predecessors, (118), 16 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) [2024-11-08 18:28:35,543 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2024-11-08 18:28:35,543 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 18:28:35,545 INFO L215 NwaCegarLoop]: trace histogram [16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 18:28:35,546 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 18:28:35,553 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 18:28:35,555 INFO L85 PathProgramCache]: Analyzing trace with hash -1456464929, now seen corresponding path program 1 times [2024-11-08 18:28:35,582 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-08 18:28:35,582 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1629471163] [2024-11-08 18:28:35,583 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 18:28:35,584 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 18:28:35,584 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_366b1412-eb5c-4de7-9773-007888ff20fe/bin/uautomizer-verify-jihMAELWvX/mathsat [2024-11-08 18:28:35,588 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_366b1412-eb5c-4de7-9773-007888ff20fe/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 18:28:35,591 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_366b1412-eb5c-4de7-9773-007888ff20fe/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 18:28:36,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:28:36,352 INFO L255 TraceCheckSpWp]: Trace formula consists of 282 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-08 18:28:36,373 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 18:28:36,429 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 246 proven. 0 refuted. 0 times theorem prover too weak. 234 trivial. 0 not checked. [2024-11-08 18:28:36,429 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-08 18:28:36,430 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-08 18:28:36,431 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1629471163] [2024-11-08 18:28:36,432 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1629471163] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 18:28:36,432 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 18:28:36,432 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-08 18:28:36,434 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1630207483] [2024-11-08 18:28:36,435 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 18:28:36,441 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-08 18:28:36,442 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-08 18:28:36,474 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-08 18:28:36,475 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-08 18:28:36,481 INFO L87 Difference]: Start difference. First operand has 103 states, 84 states have (on average 1.4047619047619047) internal successors, (118), 85 states have internal predecessors, (118), 16 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) Second operand has 2 states, 2 states have (on average 28.0) internal successors, (56), 2 states have internal predecessors, (56), 2 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2024-11-08 18:28:36,525 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 18:28:36,525 INFO L93 Difference]: Finished difference Result 199 states and 310 transitions. [2024-11-08 18:28:36,527 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-08 18:28:36,529 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 28.0) internal successors, (56), 2 states have internal predecessors, (56), 2 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) Word has length 129 [2024-11-08 18:28:36,529 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 18:28:36,544 INFO L225 Difference]: With dead ends: 199 [2024-11-08 18:28:36,545 INFO L226 Difference]: Without dead ends: 99 [2024-11-08 18:28:36,551 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 128 GetRequests, 128 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-08 18:28:36,559 INFO L432 NwaCegarLoop]: 139 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, 139 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 18:28:36,560 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 139 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-08 18:28:36,585 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 99 states. [2024-11-08 18:28:36,637 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 99 to 99. [2024-11-08 18:28:36,641 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 99 states, 81 states have (on average 1.3209876543209877) internal successors, (107), 81 states have internal predecessors, (107), 16 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) [2024-11-08 18:28:36,644 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 99 states and 139 transitions. [2024-11-08 18:28:36,649 INFO L78 Accepts]: Start accepts. Automaton has 99 states and 139 transitions. Word has length 129 [2024-11-08 18:28:36,652 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 18:28:36,652 INFO L471 AbstractCegarLoop]: Abstraction has 99 states and 139 transitions. [2024-11-08 18:28:36,653 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 28.0) internal successors, (56), 2 states have internal predecessors, (56), 2 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2024-11-08 18:28:36,653 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 139 transitions. [2024-11-08 18:28:36,662 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2024-11-08 18:28:36,664 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 18:28:36,665 INFO L215 NwaCegarLoop]: trace histogram [16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 18:28:36,677 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_366b1412-eb5c-4de7-9773-007888ff20fe/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 18:28:36,866 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_366b1412-eb5c-4de7-9773-007888ff20fe/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 18:28:36,867 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 18:28:36,867 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 18:28:36,868 INFO L85 PathProgramCache]: Analyzing trace with hash 1503765563, now seen corresponding path program 1 times [2024-11-08 18:28:36,869 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-08 18:28:36,869 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [927968080] [2024-11-08 18:28:36,870 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 18:28:36,870 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 18:28:36,870 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_366b1412-eb5c-4de7-9773-007888ff20fe/bin/uautomizer-verify-jihMAELWvX/mathsat [2024-11-08 18:28:36,874 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_366b1412-eb5c-4de7-9773-007888ff20fe/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 18:28:36,876 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_366b1412-eb5c-4de7-9773-007888ff20fe/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 18:28:37,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:28:37,591 INFO L255 TraceCheckSpWp]: Trace formula consists of 282 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-08 18:28:37,597 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 18:28:37,681 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 60 proven. 0 refuted. 0 times theorem prover too weak. 420 trivial. 0 not checked. [2024-11-08 18:28:37,681 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-08 18:28:37,681 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-08 18:28:37,682 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [927968080] [2024-11-08 18:28:37,682 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [927968080] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 18:28:37,682 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 18:28:37,682 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-08 18:28:37,683 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1438849510] [2024-11-08 18:28:37,683 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 18:28:37,685 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-08 18:28:37,685 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-08 18:28:37,686 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-08 18:28:37,687 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-08 18:28:37,687 INFO L87 Difference]: Start difference. First operand 99 states and 139 transitions. Second operand has 4 states, 4 states have (on average 13.75) internal successors, (55), 4 states have internal predecessors, (55), 2 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2024-11-08 18:28:37,808 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 18:28:37,811 INFO L93 Difference]: Finished difference Result 197 states and 278 transitions. [2024-11-08 18:28:37,813 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-08 18:28:37,813 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 13.75) internal successors, (55), 4 states have internal predecessors, (55), 2 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) Word has length 129 [2024-11-08 18:28:37,814 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 18:28:37,816 INFO L225 Difference]: With dead ends: 197 [2024-11-08 18:28:37,818 INFO L226 Difference]: Without dead ends: 101 [2024-11-08 18:28:37,819 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 128 GetRequests, 126 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 18:28:37,821 INFO L432 NwaCegarLoop]: 137 mSDtfsCounter, 0 mSDsluCounter, 263 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 400 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 18:28:37,823 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 400 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-08 18:28:37,826 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 101 states. [2024-11-08 18:28:37,846 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 101 to 101. [2024-11-08 18:28:37,848 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 101 states, 83 states have (on average 1.3132530120481927) internal successors, (109), 83 states have internal predecessors, (109), 16 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) [2024-11-08 18:28:37,850 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 101 states and 141 transitions. [2024-11-08 18:28:37,851 INFO L78 Accepts]: Start accepts. Automaton has 101 states and 141 transitions. Word has length 129 [2024-11-08 18:28:37,856 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 18:28:37,860 INFO L471 AbstractCegarLoop]: Abstraction has 101 states and 141 transitions. [2024-11-08 18:28:37,861 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.75) internal successors, (55), 4 states have internal predecessors, (55), 2 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2024-11-08 18:28:37,861 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 141 transitions. [2024-11-08 18:28:37,864 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2024-11-08 18:28:37,866 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 18:28:37,866 INFO L215 NwaCegarLoop]: trace histogram [16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 18:28:37,882 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_366b1412-eb5c-4de7-9773-007888ff20fe/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 18:28:38,067 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_366b1412-eb5c-4de7-9773-007888ff20fe/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 18:28:38,067 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 18:28:38,068 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 18:28:38,069 INFO L85 PathProgramCache]: Analyzing trace with hash -425166663, now seen corresponding path program 1 times [2024-11-08 18:28:38,070 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-08 18:28:38,070 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [260564907] [2024-11-08 18:28:38,071 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 18:28:38,071 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 18:28:38,071 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_366b1412-eb5c-4de7-9773-007888ff20fe/bin/uautomizer-verify-jihMAELWvX/mathsat [2024-11-08 18:28:38,075 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_366b1412-eb5c-4de7-9773-007888ff20fe/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 18:28:38,076 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_366b1412-eb5c-4de7-9773-007888ff20fe/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 18:28:38,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:28:38,805 INFO L255 TraceCheckSpWp]: Trace formula consists of 284 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-08 18:28:38,814 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 18:28:38,926 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 9 [2024-11-08 18:28:39,512 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 44 treesize of output 31 [2024-11-08 18:28:39,522 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 9 treesize of output 8 [2024-11-08 18:28:39,543 WARN L214 Elim1Store]: Array PQE input equivalent to false [2024-11-08 18:28:39,736 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 42 [2024-11-08 18:28:39,769 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2024-11-08 18:28:39,769 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-08 18:28:39,769 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-08 18:28:39,770 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [260564907] [2024-11-08 18:28:39,770 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [260564907] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 18:28:39,771 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 18:28:39,771 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-08 18:28:39,771 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [308058657] [2024-11-08 18:28:39,771 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 18:28:39,772 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-08 18:28:39,772 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-08 18:28:39,773 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-08 18:28:39,774 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-08 18:28:39,774 INFO L87 Difference]: Start difference. First operand 101 states and 141 transitions. Second operand has 6 states, 6 states have (on average 8.666666666666666) internal successors, (52), 5 states have internal predecessors, (52), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2024-11-08 18:28:41,950 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 18:28:41,950 INFO L93 Difference]: Finished difference Result 388 states and 545 transitions. [2024-11-08 18:28:41,955 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-08 18:28:41,955 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.666666666666666) internal successors, (52), 5 states have internal predecessors, (52), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) Word has length 129 [2024-11-08 18:28:41,956 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 18:28:41,964 INFO L225 Difference]: With dead ends: 388 [2024-11-08 18:28:41,964 INFO L226 Difference]: Without dead ends: 290 [2024-11-08 18:28:41,965 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 132 GetRequests, 124 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2024-11-08 18:28:41,968 INFO L432 NwaCegarLoop]: 173 mSDtfsCounter, 348 mSDsluCounter, 443 mSDsCounter, 0 mSdLazyCounter, 170 mSolverCounterSat, 69 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 348 SdHoareTripleChecker+Valid, 616 SdHoareTripleChecker+Invalid, 239 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 69 IncrementalHoareTripleChecker+Valid, 170 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2024-11-08 18:28:41,969 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [348 Valid, 616 Invalid, 239 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [69 Valid, 170 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2024-11-08 18:28:41,972 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 290 states. [2024-11-08 18:28:42,035 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 290 to 204. [2024-11-08 18:28:42,036 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 204 states, 169 states have (on average 1.319526627218935) internal successors, (223), 169 states have internal predecessors, (223), 32 states have call successors, (32), 2 states have call predecessors, (32), 2 states have return successors, (32), 32 states have call predecessors, (32), 32 states have call successors, (32) [2024-11-08 18:28:42,043 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 204 states to 204 states and 287 transitions. [2024-11-08 18:28:42,046 INFO L78 Accepts]: Start accepts. Automaton has 204 states and 287 transitions. Word has length 129 [2024-11-08 18:28:42,047 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 18:28:42,047 INFO L471 AbstractCegarLoop]: Abstraction has 204 states and 287 transitions. [2024-11-08 18:28:42,047 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.666666666666666) internal successors, (52), 5 states have internal predecessors, (52), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2024-11-08 18:28:42,052 INFO L276 IsEmpty]: Start isEmpty. Operand 204 states and 287 transitions. [2024-11-08 18:28:42,054 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2024-11-08 18:28:42,054 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 18:28:42,055 INFO L215 NwaCegarLoop]: trace histogram [16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 18:28:42,073 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_366b1412-eb5c-4de7-9773-007888ff20fe/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)] Ended with exit code 0 [2024-11-08 18:28:42,261 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_366b1412-eb5c-4de7-9773-007888ff20fe/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 18:28:42,262 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 18:28:42,262 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 18:28:42,263 INFO L85 PathProgramCache]: Analyzing trace with hash 1121518546, now seen corresponding path program 1 times [2024-11-08 18:28:42,263 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-08 18:28:42,264 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1297295400] [2024-11-08 18:28:42,264 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 18:28:42,264 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-08 18:28:42,264 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_366b1412-eb5c-4de7-9773-007888ff20fe/bin/uautomizer-verify-jihMAELWvX/mathsat [2024-11-08 18:28:42,269 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_366b1412-eb5c-4de7-9773-007888ff20fe/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 18:28:42,271 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_366b1412-eb5c-4de7-9773-007888ff20fe/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 18:28:43,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:28:43,093 INFO L255 TraceCheckSpWp]: Trace formula consists of 292 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 18:28:43,098 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 18:28:43,148 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2024-11-08 18:28:43,149 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-08 18:28:43,149 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-08 18:28:43,150 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1297295400] [2024-11-08 18:28:43,150 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1297295400] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 18:28:43,150 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 18:28:43,150 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-08 18:28:43,150 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [986965319] [2024-11-08 18:28:43,151 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 18:28:43,151 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-08 18:28:43,152 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-08 18:28:43,153 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-08 18:28:43,153 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-08 18:28:43,153 INFO L87 Difference]: Start difference. First operand 204 states and 287 transitions. Second operand has 5 states, 5 states have (on average 10.8) internal successors, (54), 5 states have internal predecessors, (54), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2024-11-08 18:28:43,271 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 18:28:43,272 INFO L93 Difference]: Finished difference Result 415 states and 585 transitions. [2024-11-08 18:28:43,274 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-08 18:28:43,274 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.8) internal successors, (54), 5 states have internal predecessors, (54), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) Word has length 131 [2024-11-08 18:28:43,275 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 18:28:43,277 INFO L225 Difference]: With dead ends: 415 [2024-11-08 18:28:43,277 INFO L226 Difference]: Without dead ends: 214 [2024-11-08 18:28:43,282 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 130 GetRequests, 127 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-08 18:28:43,284 INFO L432 NwaCegarLoop]: 134 mSDtfsCounter, 1 mSDsluCounter, 389 mSDsCounter, 0 mSdLazyCounter, 30 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 523 SdHoareTripleChecker+Invalid, 33 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 30 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-08 18:28:43,288 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 523 Invalid, 33 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 30 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-08 18:28:43,289 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 214 states. [2024-11-08 18:28:43,317 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 214 to 212. [2024-11-08 18:28:43,318 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 212 states, 177 states have (on average 1.305084745762712) internal successors, (231), 177 states have internal predecessors, (231), 32 states have call successors, (32), 2 states have call predecessors, (32), 2 states have return successors, (32), 32 states have call predecessors, (32), 32 states have call successors, (32) [2024-11-08 18:28:43,320 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 212 states to 212 states and 295 transitions. [2024-11-08 18:28:43,321 INFO L78 Accepts]: Start accepts. Automaton has 212 states and 295 transitions. Word has length 131 [2024-11-08 18:28:43,322 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 18:28:43,322 INFO L471 AbstractCegarLoop]: Abstraction has 212 states and 295 transitions. [2024-11-08 18:28:43,322 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.8) internal successors, (54), 5 states have internal predecessors, (54), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2024-11-08 18:28:43,323 INFO L276 IsEmpty]: Start isEmpty. Operand 212 states and 295 transitions. [2024-11-08 18:28:43,325 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2024-11-08 18:28:43,325 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 18:28:43,325 INFO L215 NwaCegarLoop]: trace histogram [16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 18:28:43,345 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_366b1412-eb5c-4de7-9773-007888ff20fe/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 18:28:43,526 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_366b1412-eb5c-4de7-9773-007888ff20fe/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 18:28:43,527 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 18:28:43,528 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 18:28:43,528 INFO L85 PathProgramCache]: Analyzing trace with hash 1123365588, now seen corresponding path program 1 times [2024-11-08 18:28:43,529 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-08 18:28:43,529 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1653870468] [2024-11-08 18:28:43,530 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 18:28:43,530 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 18:28:43,530 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_366b1412-eb5c-4de7-9773-007888ff20fe/bin/uautomizer-verify-jihMAELWvX/mathsat [2024-11-08 18:28:43,533 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_366b1412-eb5c-4de7-9773-007888ff20fe/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 18:28:43,536 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_366b1412-eb5c-4de7-9773-007888ff20fe/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 18:28:44,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:28:44,259 INFO L255 TraceCheckSpWp]: Trace formula consists of 289 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-08 18:28:44,263 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 18:28:44,385 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 77 treesize of output 41 [2024-11-08 18:28:44,452 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2024-11-08 18:28:44,452 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-08 18:28:44,452 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-08 18:28:44,453 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1653870468] [2024-11-08 18:28:44,453 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1653870468] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 18:28:44,453 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 18:28:44,453 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-08 18:28:44,453 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [67945500] [2024-11-08 18:28:44,453 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 18:28:44,454 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-08 18:28:44,454 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-08 18:28:44,455 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-08 18:28:44,455 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-08 18:28:44,459 INFO L87 Difference]: Start difference. First operand 212 states and 295 transitions. Second operand has 6 states, 6 states have (on average 9.0) internal successors, (54), 5 states have internal predecessors, (54), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2024-11-08 18:28:46,530 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 18:28:46,530 INFO L93 Difference]: Finished difference Result 423 states and 589 transitions. [2024-11-08 18:28:46,540 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-08 18:28:46,540 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.0) internal successors, (54), 5 states have internal predecessors, (54), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) Word has length 131 [2024-11-08 18:28:46,541 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 18:28:46,543 INFO L225 Difference]: With dead ends: 423 [2024-11-08 18:28:46,543 INFO L226 Difference]: Without dead ends: 214 [2024-11-08 18:28:46,544 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 133 GetRequests, 126 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2024-11-08 18:28:46,546 INFO L432 NwaCegarLoop]: 121 mSDtfsCounter, 134 mSDsluCounter, 318 mSDsCounter, 0 mSdLazyCounter, 111 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 134 SdHoareTripleChecker+Valid, 439 SdHoareTripleChecker+Invalid, 112 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 111 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2024-11-08 18:28:46,546 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [134 Valid, 439 Invalid, 112 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 111 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2024-11-08 18:28:46,548 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 214 states. [2024-11-08 18:28:46,570 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 214 to 212. [2024-11-08 18:28:46,571 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 212 states, 177 states have (on average 1.2937853107344632) internal successors, (229), 177 states have internal predecessors, (229), 32 states have call successors, (32), 2 states have call predecessors, (32), 2 states have return successors, (32), 32 states have call predecessors, (32), 32 states have call successors, (32) [2024-11-08 18:28:46,573 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 212 states to 212 states and 293 transitions. [2024-11-08 18:28:46,574 INFO L78 Accepts]: Start accepts. Automaton has 212 states and 293 transitions. Word has length 131 [2024-11-08 18:28:46,574 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 18:28:46,575 INFO L471 AbstractCegarLoop]: Abstraction has 212 states and 293 transitions. [2024-11-08 18:28:46,575 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.0) internal successors, (54), 5 states have internal predecessors, (54), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2024-11-08 18:28:46,575 INFO L276 IsEmpty]: Start isEmpty. Operand 212 states and 293 transitions. [2024-11-08 18:28:46,577 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2024-11-08 18:28:46,578 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 18:28:46,578 INFO L215 NwaCegarLoop]: trace histogram [16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 18:28:46,598 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_366b1412-eb5c-4de7-9773-007888ff20fe/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 18:28:46,779 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_366b1412-eb5c-4de7-9773-007888ff20fe/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 18:28:46,779 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 18:28:46,780 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 18:28:46,780 INFO L85 PathProgramCache]: Analyzing trace with hash 1428084526, now seen corresponding path program 1 times [2024-11-08 18:28:46,781 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-08 18:28:46,781 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1578812547] [2024-11-08 18:28:46,781 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 18:28:46,782 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 18:28:46,782 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_366b1412-eb5c-4de7-9773-007888ff20fe/bin/uautomizer-verify-jihMAELWvX/mathsat [2024-11-08 18:28:46,789 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_366b1412-eb5c-4de7-9773-007888ff20fe/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 18:28:46,792 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_366b1412-eb5c-4de7-9773-007888ff20fe/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 18:28:47,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:28:47,615 INFO L255 TraceCheckSpWp]: Trace formula consists of 295 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-08 18:28:47,620 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 18:28:47,792 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 95 treesize of output 41 [2024-11-08 18:28:47,845 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 60 proven. 0 refuted. 0 times theorem prover too weak. 420 trivial. 0 not checked. [2024-11-08 18:28:47,846 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-08 18:28:47,846 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-08 18:28:47,846 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1578812547] [2024-11-08 18:28:47,846 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1578812547] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 18:28:47,847 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 18:28:47,847 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-08 18:28:47,847 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [664576894] [2024-11-08 18:28:47,847 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 18:28:47,848 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-08 18:28:47,848 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-08 18:28:47,849 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-08 18:28:47,850 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-08 18:28:47,850 INFO L87 Difference]: Start difference. First operand 212 states and 293 transitions. Second operand has 6 states, 6 states have (on average 9.833333333333334) internal successors, (59), 5 states have internal predecessors, (59), 2 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2024-11-08 18:28:49,820 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 18:28:49,820 INFO L93 Difference]: Finished difference Result 421 states and 583 transitions. [2024-11-08 18:28:49,830 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-08 18:28:49,831 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.833333333333334) internal successors, (59), 5 states have internal predecessors, (59), 2 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) Word has length 133 [2024-11-08 18:28:49,831 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 18:28:49,834 INFO L225 Difference]: With dead ends: 421 [2024-11-08 18:28:49,834 INFO L226 Difference]: Without dead ends: 212 [2024-11-08 18:28:49,835 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 135 GetRequests, 128 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2024-11-08 18:28:49,836 INFO L432 NwaCegarLoop]: 120 mSDtfsCounter, 123 mSDsluCounter, 314 mSDsCounter, 0 mSdLazyCounter, 109 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 123 SdHoareTripleChecker+Valid, 434 SdHoareTripleChecker+Invalid, 110 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 109 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2024-11-08 18:28:49,836 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [123 Valid, 434 Invalid, 110 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 109 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2024-11-08 18:28:49,838 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 212 states. [2024-11-08 18:28:49,859 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 212 to 208. [2024-11-08 18:28:49,863 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 208 states, 173 states have (on average 1.2890173410404624) internal successors, (223), 173 states have internal predecessors, (223), 32 states have call successors, (32), 2 states have call predecessors, (32), 2 states have return successors, (32), 32 states have call predecessors, (32), 32 states have call successors, (32) [2024-11-08 18:28:49,865 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 208 states to 208 states and 287 transitions. [2024-11-08 18:28:49,868 INFO L78 Accepts]: Start accepts. Automaton has 208 states and 287 transitions. Word has length 133 [2024-11-08 18:28:49,868 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 18:28:49,868 INFO L471 AbstractCegarLoop]: Abstraction has 208 states and 287 transitions. [2024-11-08 18:28:49,869 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.833333333333334) internal successors, (59), 5 states have internal predecessors, (59), 2 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2024-11-08 18:28:49,869 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 287 transitions. [2024-11-08 18:28:49,871 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2024-11-08 18:28:49,873 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 18:28:49,873 INFO L215 NwaCegarLoop]: trace histogram [16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 18:28:49,891 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_366b1412-eb5c-4de7-9773-007888ff20fe/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)] Forceful destruction successful, exit code 0 [2024-11-08 18:28:50,074 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_366b1412-eb5c-4de7-9773-007888ff20fe/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 18:28:50,075 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 18:28:50,075 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 18:28:50,076 INFO L85 PathProgramCache]: Analyzing trace with hash -1340326122, now seen corresponding path program 1 times [2024-11-08 18:28:50,076 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-08 18:28:50,076 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2079911619] [2024-11-08 18:28:50,076 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 18:28:50,077 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 18:28:50,077 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_366b1412-eb5c-4de7-9773-007888ff20fe/bin/uautomizer-verify-jihMAELWvX/mathsat [2024-11-08 18:28:50,079 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_366b1412-eb5c-4de7-9773-007888ff20fe/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 18:28:50,081 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_366b1412-eb5c-4de7-9773-007888ff20fe/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 18:28:50,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:28:50,824 INFO L255 TraceCheckSpWp]: Trace formula consists of 299 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-08 18:28:50,830 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 18:28:51,061 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 94 treesize of output 40 [2024-11-08 18:28:51,187 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 112 proven. 4 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2024-11-08 18:28:51,188 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-08 18:28:51,641 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 58 treesize of output 22 [2024-11-08 18:28:51,658 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 3 proven. 42 refuted. 0 times theorem prover too weak. 435 trivial. 0 not checked. [2024-11-08 18:28:51,658 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-08 18:28:51,658 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2079911619] [2024-11-08 18:28:51,659 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2079911619] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-08 18:28:51,659 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-08 18:28:51,659 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 8] total 12 [2024-11-08 18:28:51,659 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [396731360] [2024-11-08 18:28:51,660 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-08 18:28:51,660 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-08 18:28:51,661 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-08 18:28:51,661 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-08 18:28:51,662 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=103, Unknown=0, NotChecked=0, Total=132 [2024-11-08 18:28:51,662 INFO L87 Difference]: Start difference. First operand 208 states and 287 transitions. Second operand has 12 states, 11 states have (on average 7.636363636363637) internal successors, (84), 12 states have internal predecessors, (84), 4 states have call successors, (31), 3 states have call predecessors, (31), 4 states have return successors, (31), 3 states have call predecessors, (31), 4 states have call successors, (31) [2024-11-08 18:28:55,179 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 18:28:55,179 INFO L93 Difference]: Finished difference Result 439 states and 601 transitions. [2024-11-08 18:28:55,189 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-08 18:28:55,190 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 7.636363636363637) internal successors, (84), 12 states have internal predecessors, (84), 4 states have call successors, (31), 3 states have call predecessors, (31), 4 states have return successors, (31), 3 states have call predecessors, (31), 4 states have call successors, (31) Word has length 135 [2024-11-08 18:28:55,190 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 18:28:55,192 INFO L225 Difference]: With dead ends: 439 [2024-11-08 18:28:55,193 INFO L226 Difference]: Without dead ends: 212 [2024-11-08 18:28:55,194 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 279 GetRequests, 259 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 57 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=96, Invalid=366, Unknown=0, NotChecked=0, Total=462 [2024-11-08 18:28:55,195 INFO L432 NwaCegarLoop]: 104 mSDtfsCounter, 113 mSDsluCounter, 614 mSDsCounter, 0 mSdLazyCounter, 407 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 128 SdHoareTripleChecker+Valid, 718 SdHoareTripleChecker+Invalid, 423 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 407 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.0s IncrementalHoareTripleChecker+Time [2024-11-08 18:28:55,195 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [128 Valid, 718 Invalid, 423 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 407 Invalid, 0 Unknown, 0 Unchecked, 3.0s Time] [2024-11-08 18:28:55,197 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 212 states. [2024-11-08 18:28:55,215 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 212 to 208. [2024-11-08 18:28:55,216 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 208 states, 173 states have (on average 1.2658959537572254) internal successors, (219), 173 states have internal predecessors, (219), 32 states have call successors, (32), 2 states have call predecessors, (32), 2 states have return successors, (32), 32 states have call predecessors, (32), 32 states have call successors, (32) [2024-11-08 18:28:55,218 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 208 states to 208 states and 283 transitions. [2024-11-08 18:28:55,218 INFO L78 Accepts]: Start accepts. Automaton has 208 states and 283 transitions. Word has length 135 [2024-11-08 18:28:55,219 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 18:28:55,219 INFO L471 AbstractCegarLoop]: Abstraction has 208 states and 283 transitions. [2024-11-08 18:28:55,219 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 7.636363636363637) internal successors, (84), 12 states have internal predecessors, (84), 4 states have call successors, (31), 3 states have call predecessors, (31), 4 states have return successors, (31), 3 states have call predecessors, (31), 4 states have call successors, (31) [2024-11-08 18:28:55,220 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 283 transitions. [2024-11-08 18:28:55,222 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2024-11-08 18:28:55,222 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 18:28:55,222 INFO L215 NwaCegarLoop]: trace histogram [16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 18:28:55,242 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_366b1412-eb5c-4de7-9773-007888ff20fe/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 18:28:55,423 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_366b1412-eb5c-4de7-9773-007888ff20fe/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 18:28:55,424 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 18:28:55,424 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 18:28:55,424 INFO L85 PathProgramCache]: Analyzing trace with hash -58153836, now seen corresponding path program 1 times [2024-11-08 18:28:55,425 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-08 18:28:55,425 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1592360712] [2024-11-08 18:28:55,425 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 18:28:55,425 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 18:28:55,425 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_366b1412-eb5c-4de7-9773-007888ff20fe/bin/uautomizer-verify-jihMAELWvX/mathsat [2024-11-08 18:28:55,427 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_366b1412-eb5c-4de7-9773-007888ff20fe/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 18:28:55,428 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_366b1412-eb5c-4de7-9773-007888ff20fe/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 18:28:56,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:28:56,353 INFO L255 TraceCheckSpWp]: Trace formula consists of 301 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-08 18:28:56,358 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 18:28:56,553 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 95 treesize of output 41 [2024-11-08 18:28:56,599 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 112 proven. 0 refuted. 0 times theorem prover too weak. 368 trivial. 0 not checked. [2024-11-08 18:28:56,599 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-08 18:28:56,599 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-08 18:28:56,600 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1592360712] [2024-11-08 18:28:56,600 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1592360712] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 18:28:56,600 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 18:28:56,600 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-08 18:28:56,600 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [800326463] [2024-11-08 18:28:56,600 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 18:28:56,601 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-08 18:28:56,601 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-08 18:28:56,602 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-08 18:28:56,602 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-08 18:28:56,603 INFO L87 Difference]: Start difference. First operand 208 states and 283 transitions. Second operand has 6 states, 6 states have (on average 10.166666666666666) internal successors, (61), 5 states have internal predecessors, (61), 2 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2024-11-08 18:28:58,521 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 18:28:58,521 INFO L93 Difference]: Finished difference Result 415 states and 565 transitions. [2024-11-08 18:28:58,531 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-08 18:28:58,532 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 10.166666666666666) internal successors, (61), 5 states have internal predecessors, (61), 2 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) Word has length 135 [2024-11-08 18:28:58,532 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 18:28:58,534 INFO L225 Difference]: With dead ends: 415 [2024-11-08 18:28:58,534 INFO L226 Difference]: Without dead ends: 210 [2024-11-08 18:28:58,535 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 137 GetRequests, 130 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2024-11-08 18:28:58,536 INFO L432 NwaCegarLoop]: 117 mSDtfsCounter, 110 mSDsluCounter, 304 mSDsCounter, 0 mSdLazyCounter, 113 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 110 SdHoareTripleChecker+Valid, 421 SdHoareTripleChecker+Invalid, 114 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 113 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2024-11-08 18:28:58,537 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [110 Valid, 421 Invalid, 114 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 113 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2024-11-08 18:28:58,540 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 210 states. [2024-11-08 18:28:58,557 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 210 to 208. [2024-11-08 18:28:58,558 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 208 states, 173 states have (on average 1.254335260115607) internal successors, (217), 173 states have internal predecessors, (217), 32 states have call successors, (32), 2 states have call predecessors, (32), 2 states have return successors, (32), 32 states have call predecessors, (32), 32 states have call successors, (32) [2024-11-08 18:28:58,560 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 208 states to 208 states and 281 transitions. [2024-11-08 18:28:58,561 INFO L78 Accepts]: Start accepts. Automaton has 208 states and 281 transitions. Word has length 135 [2024-11-08 18:28:58,561 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 18:28:58,561 INFO L471 AbstractCegarLoop]: Abstraction has 208 states and 281 transitions. [2024-11-08 18:28:58,562 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.166666666666666) internal successors, (61), 5 states have internal predecessors, (61), 2 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2024-11-08 18:28:58,562 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 281 transitions. [2024-11-08 18:28:58,564 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2024-11-08 18:28:58,564 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 18:28:58,565 INFO L215 NwaCegarLoop]: trace histogram [16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 18:28:58,588 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_366b1412-eb5c-4de7-9773-007888ff20fe/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 18:28:58,765 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_366b1412-eb5c-4de7-9773-007888ff20fe/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 18:28:58,766 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 18:28:58,766 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 18:28:58,766 INFO L85 PathProgramCache]: Analyzing trace with hash 725196526, now seen corresponding path program 1 times [2024-11-08 18:28:58,767 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-08 18:28:58,767 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1216294682] [2024-11-08 18:28:58,767 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 18:28:58,767 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 18:28:58,768 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_366b1412-eb5c-4de7-9773-007888ff20fe/bin/uautomizer-verify-jihMAELWvX/mathsat [2024-11-08 18:28:58,771 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_366b1412-eb5c-4de7-9773-007888ff20fe/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 18:28:58,773 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_366b1412-eb5c-4de7-9773-007888ff20fe/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 18:28:59,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:29:00,028 INFO L255 TraceCheckSpWp]: Trace formula consists of 307 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-08 18:29:00,037 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 18:29:00,081 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 9 [2024-11-08 18:29:00,442 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-11-08 18:29:00,630 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 27 treesize of output 11 [2024-11-08 18:29:00,858 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 39 [2024-11-08 18:29:00,867 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 10 [2024-11-08 18:29:00,942 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2024-11-08 18:29:00,953 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 18 [2024-11-08 18:29:00,960 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 10 [2024-11-08 18:29:01,016 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 183 proven. 9 refuted. 0 times theorem prover too weak. 288 trivial. 0 not checked. [2024-11-08 18:29:01,016 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-08 18:29:01,085 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 19 [2024-11-08 18:29:01,202 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 29 [2024-11-08 18:29:01,244 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-08 18:29:01,245 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 29 treesize of output 45 [2024-11-08 18:29:01,310 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 6 [2024-11-08 18:29:01,412 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-08 18:29:01,413 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1216294682] [2024-11-08 18:29:01,413 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1216294682] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-08 18:29:01,413 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2141486928] [2024-11-08 18:29:01,413 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 18:29:01,414 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 18:29:01,414 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_366b1412-eb5c-4de7-9773-007888ff20fe/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 18:29:01,416 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_366b1412-eb5c-4de7-9773-007888ff20fe/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 18:29:01,418 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_366b1412-eb5c-4de7-9773-007888ff20fe/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2024-11-08 18:29:01,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:29:01,905 INFO L255 TraceCheckSpWp]: Trace formula consists of 307 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-11-08 18:29:01,910 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 18:29:01,937 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 9 [2024-11-08 18:29:02,351 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 27 treesize of output 11 [2024-11-08 18:29:02,590 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2024-11-08 18:29:02,602 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2024-11-08 18:29:03,104 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 98 treesize of output 78 [2024-11-08 18:29:03,232 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 183 proven. 9 refuted. 0 times theorem prover too weak. 288 trivial. 0 not checked. [2024-11-08 18:29:03,232 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-08 18:29:03,450 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 19 [2024-11-08 18:29:03,454 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 21 [2024-11-08 18:29:03,549 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2141486928] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-08 18:29:03,550 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-08 18:29:03,550 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 10] total 12 [2024-11-08 18:29:03,550 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1099878343] [2024-11-08 18:29:03,550 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-08 18:29:03,551 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-08 18:29:03,551 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-08 18:29:03,552 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-08 18:29:03,552 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=257, Unknown=0, NotChecked=0, Total=306 [2024-11-08 18:29:03,552 INFO L87 Difference]: Start difference. First operand 208 states and 281 transitions. Second operand has 13 states, 12 states have (on average 6.25) internal successors, (75), 12 states have internal predecessors, (75), 3 states have call successors, (16), 2 states have call predecessors, (16), 3 states have return successors, (16), 2 states have call predecessors, (16), 3 states have call successors, (16) [2024-11-08 18:29:10,992 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 18:29:10,993 INFO L93 Difference]: Finished difference Result 460 states and 615 transitions. [2024-11-08 18:29:10,999 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-11-08 18:29:10,999 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 6.25) internal successors, (75), 12 states have internal predecessors, (75), 3 states have call successors, (16), 2 states have call predecessors, (16), 3 states have return successors, (16), 2 states have call predecessors, (16), 3 states have call successors, (16) Word has length 137 [2024-11-08 18:29:11,000 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 18:29:11,002 INFO L225 Difference]: With dead ends: 460 [2024-11-08 18:29:11,003 INFO L226 Difference]: Without dead ends: 255 [2024-11-08 18:29:11,004 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 331 GetRequests, 301 SyntacticMatches, 1 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 133 ImplicationChecksByTransitivity, 2.2s TimeCoverageRelationStatistics Valid=192, Invalid=738, Unknown=0, NotChecked=0, Total=930 [2024-11-08 18:29:11,005 INFO L432 NwaCegarLoop]: 148 mSDtfsCounter, 352 mSDsluCounter, 1016 mSDsCounter, 0 mSdLazyCounter, 538 mSolverCounterSat, 101 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 352 SdHoareTripleChecker+Valid, 1164 SdHoareTripleChecker+Invalid, 639 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 101 IncrementalHoareTripleChecker+Valid, 538 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.2s IncrementalHoareTripleChecker+Time [2024-11-08 18:29:11,006 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [352 Valid, 1164 Invalid, 639 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [101 Valid, 538 Invalid, 0 Unknown, 0 Unchecked, 6.2s Time] [2024-11-08 18:29:11,007 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 255 states. [2024-11-08 18:29:11,032 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 255 to 247. [2024-11-08 18:29:11,033 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 247 states, 199 states have (on average 1.221105527638191) internal successors, (243), 200 states have internal predecessors, (243), 43 states have call successors, (43), 4 states have call predecessors, (43), 4 states have return successors, (43), 42 states have call predecessors, (43), 43 states have call successors, (43) [2024-11-08 18:29:11,035 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 247 states to 247 states and 329 transitions. [2024-11-08 18:29:11,036 INFO L78 Accepts]: Start accepts. Automaton has 247 states and 329 transitions. Word has length 137 [2024-11-08 18:29:11,036 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 18:29:11,037 INFO L471 AbstractCegarLoop]: Abstraction has 247 states and 329 transitions. [2024-11-08 18:29:11,037 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 6.25) internal successors, (75), 12 states have internal predecessors, (75), 3 states have call successors, (16), 2 states have call predecessors, (16), 3 states have return successors, (16), 2 states have call predecessors, (16), 3 states have call successors, (16) [2024-11-08 18:29:11,037 INFO L276 IsEmpty]: Start isEmpty. Operand 247 states and 329 transitions. [2024-11-08 18:29:11,039 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2024-11-08 18:29:11,039 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 18:29:11,040 INFO L215 NwaCegarLoop]: trace histogram [16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 18:29:11,081 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_366b1412-eb5c-4de7-9773-007888ff20fe/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2024-11-08 18:29:11,255 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_366b1412-eb5c-4de7-9773-007888ff20fe/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 18:29:11,440 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_366b1412-eb5c-4de7-9773-007888ff20fe/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true,10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_366b1412-eb5c-4de7-9773-007888ff20fe/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 18:29:11,441 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 18:29:11,441 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 18:29:11,441 INFO L85 PathProgramCache]: Analyzing trace with hash 1411801520, now seen corresponding path program 1 times [2024-11-08 18:29:11,442 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-08 18:29:11,442 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2030516499] [2024-11-08 18:29:11,442 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 18:29:11,442 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 18:29:11,442 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_366b1412-eb5c-4de7-9773-007888ff20fe/bin/uautomizer-verify-jihMAELWvX/mathsat [2024-11-08 18:29:11,444 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_366b1412-eb5c-4de7-9773-007888ff20fe/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 18:29:11,445 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_366b1412-eb5c-4de7-9773-007888ff20fe/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 18:29:12,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:29:12,356 INFO L255 TraceCheckSpWp]: Trace formula consists of 318 conjuncts, 26 conjuncts are in the unsatisfiable core [2024-11-08 18:29:12,363 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 18:29:12,397 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-11-08 18:29:13,370 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 66 treesize of output 30 [2024-11-08 18:29:13,604 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 66 treesize of output 30 [2024-11-08 18:29:17,555 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 71 treesize of output 35 [2024-11-08 18:29:20,893 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 73 treesize of output 37 [2024-11-08 18:30:15,433 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 15 proven. 45 refuted. 0 times theorem prover too weak. 420 trivial. 0 not checked. [2024-11-08 18:30:15,434 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-08 18:30:48,885 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2024-11-08 18:30:48,886 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-08 18:30:48,886 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2030516499] [2024-11-08 18:30:48,886 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2030516499] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-08 18:30:48,886 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-08 18:30:48,886 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [14] total 18 [2024-11-08 18:30:48,886 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [589560263] [2024-11-08 18:30:48,886 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 18:30:48,887 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-08 18:30:48,887 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-08 18:30:48,887 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-08 18:30:48,888 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=68, Invalid=227, Unknown=11, NotChecked=0, Total=306 [2024-11-08 18:30:48,888 INFO L87 Difference]: Start difference. First operand 247 states and 329 transitions. Second operand has 5 states, 5 states have (on average 12.6) internal successors, (63), 5 states have internal predecessors, (63), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2024-11-08 18:30:51,954 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.09s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-08 18:31:07,781 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.93s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-08 18:31:09,119 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.34s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-08 18:31:11,218 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.11s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-08 18:31:19,588 WARN L539 Checker$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 18:31:23,995 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.24s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-08 18:31:26,724 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 18:31:26,724 INFO L93 Difference]: Finished difference Result 509 states and 678 transitions. [2024-11-08 18:31:26,739 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-08 18:31:26,740 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.6) internal successors, (63), 5 states have internal predecessors, (63), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) Word has length 140 [2024-11-08 18:31:26,740 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 18:31:26,744 INFO L225 Difference]: With dead ends: 509 [2024-11-08 18:31:26,744 INFO L226 Difference]: Without dead ends: 339 [2024-11-08 18:31:26,745 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 279 GetRequests, 262 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 67 ImplicationChecksByTransitivity, 80.1s TimeCoverageRelationStatistics Valid=73, Invalid=258, Unknown=11, NotChecked=0, Total=342 [2024-11-08 18:31:26,746 INFO L432 NwaCegarLoop]: 129 mSDtfsCounter, 47 mSDsluCounter, 340 mSDsCounter, 0 mSdLazyCounter, 70 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 33.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 47 SdHoareTripleChecker+Valid, 469 SdHoareTripleChecker+Invalid, 70 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 70 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 33.8s IncrementalHoareTripleChecker+Time [2024-11-08 18:31:26,747 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [47 Valid, 469 Invalid, 70 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 70 Invalid, 0 Unknown, 0 Unchecked, 33.8s Time] [2024-11-08 18:31:26,748 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 339 states. [2024-11-08 18:31:26,772 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 339 to 277. [2024-11-08 18:31:26,773 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 277 states, 229 states have (on average 1.2358078602620088) internal successors, (283), 230 states have internal predecessors, (283), 43 states have call successors, (43), 4 states have call predecessors, (43), 4 states have return successors, (43), 42 states have call predecessors, (43), 43 states have call successors, (43) [2024-11-08 18:31:26,775 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 277 states to 277 states and 369 transitions. [2024-11-08 18:31:26,775 INFO L78 Accepts]: Start accepts. Automaton has 277 states and 369 transitions. Word has length 140 [2024-11-08 18:31:26,776 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 18:31:26,776 INFO L471 AbstractCegarLoop]: Abstraction has 277 states and 369 transitions. [2024-11-08 18:31:26,777 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.6) internal successors, (63), 5 states have internal predecessors, (63), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2024-11-08 18:31:26,777 INFO L276 IsEmpty]: Start isEmpty. Operand 277 states and 369 transitions. [2024-11-08 18:31:26,779 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2024-11-08 18:31:26,779 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 18:31:26,779 INFO L215 NwaCegarLoop]: trace histogram [16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 18:31:26,801 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_366b1412-eb5c-4de7-9773-007888ff20fe/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 18:31:26,980 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_366b1412-eb5c-4de7-9773-007888ff20fe/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 18:31:26,980 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 18:31:26,981 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 18:31:26,981 INFO L85 PathProgramCache]: Analyzing trace with hash 1153636082, now seen corresponding path program 1 times [2024-11-08 18:31:26,982 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-08 18:31:26,982 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1449630785] [2024-11-08 18:31:26,982 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 18:31:26,982 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 18:31:26,982 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_366b1412-eb5c-4de7-9773-007888ff20fe/bin/uautomizer-verify-jihMAELWvX/mathsat [2024-11-08 18:31:26,984 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_366b1412-eb5c-4de7-9773-007888ff20fe/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 18:31:26,985 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_366b1412-eb5c-4de7-9773-007888ff20fe/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