./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-17.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06046609-e80e-4c9b-a061-7ea03819ea51/bin/uautomizer-verify-aQ6SnzHsRB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06046609-e80e-4c9b-a061-7ea03819ea51/bin/uautomizer-verify-aQ6SnzHsRB/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06046609-e80e-4c9b-a061-7ea03819ea51/bin/uautomizer-verify-aQ6SnzHsRB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06046609-e80e-4c9b-a061-7ea03819ea51/bin/uautomizer-verify-aQ6SnzHsRB/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-17.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06046609-e80e-4c9b-a061-7ea03819ea51/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06046609-e80e-4c9b-a061-7ea03819ea51/bin/uautomizer-verify-aQ6SnzHsRB --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 cf9505dc2ef67c73c85afca644466d8e73c9d84bcc3bdb502bf9c06807a1f2ea --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-28 04:33:04,016 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-28 04:33:04,129 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06046609-e80e-4c9b-a061-7ea03819ea51/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-28 04:33:04,146 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-28 04:33:04,146 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-28 04:33:04,203 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-28 04:33:04,204 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-28 04:33:04,204 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-28 04:33:04,204 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-28 04:33:04,204 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-28 04:33:04,204 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-28 04:33:04,206 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-28 04:33:04,206 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-28 04:33:04,207 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-28 04:33:04,208 INFO L153 SettingsManager]: * Use SBE=true [2024-11-28 04:33:04,208 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-28 04:33:04,208 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-28 04:33:04,209 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-28 04:33:04,209 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-28 04:33:04,209 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-28 04:33:04,209 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-28 04:33:04,209 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-28 04:33:04,209 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-28 04:33:04,209 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-28 04:33:04,209 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-28 04:33:04,209 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-28 04:33:04,210 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-28 04:33:04,210 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-28 04:33:04,210 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-28 04:33:04,210 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 04:33:04,210 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-28 04:33:04,210 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 04:33:04,211 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 04:33:04,211 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-28 04:33:04,212 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 04:33:04,212 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-28 04:33:04,212 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 04:33:04,212 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 04:33:04,212 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-28 04:33:04,212 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-28 04:33:04,212 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-28 04:33:04,212 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-28 04:33:04,213 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-28 04:33:04,213 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-28 04:33:04,213 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-28 04:33:04,213 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-28 04:33:04,214 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-28 04:33:04,214 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-28 04:33:04,214 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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_06046609-e80e-4c9b-a061-7ea03819ea51/bin/uautomizer-verify-aQ6SnzHsRB 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 -> cf9505dc2ef67c73c85afca644466d8e73c9d84bcc3bdb502bf9c06807a1f2ea [2024-11-28 04:33:04,570 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-28 04:33:04,584 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-28 04:33:04,588 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-28 04:33:04,589 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-28 04:33:04,590 INFO L274 PluginConnector]: CDTParser initialized [2024-11-28 04:33:04,593 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06046609-e80e-4c9b-a061-7ea03819ea51/bin/uautomizer-verify-aQ6SnzHsRB/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-17.i [2024-11-28 04:33:08,132 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06046609-e80e-4c9b-a061-7ea03819ea51/bin/uautomizer-verify-aQ6SnzHsRB/data/d14e9fd80/2ef9dd1563bd40d7bc6b13282bb3cc09/FLAG4b317f263 [2024-11-28 04:33:08,529 INFO L384 CDTParser]: Found 1 translation units. [2024-11-28 04:33:08,530 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06046609-e80e-4c9b-a061-7ea03819ea51/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-17.i [2024-11-28 04:33:08,542 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06046609-e80e-4c9b-a061-7ea03819ea51/bin/uautomizer-verify-aQ6SnzHsRB/data/d14e9fd80/2ef9dd1563bd40d7bc6b13282bb3cc09/FLAG4b317f263 [2024-11-28 04:33:08,724 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06046609-e80e-4c9b-a061-7ea03819ea51/bin/uautomizer-verify-aQ6SnzHsRB/data/d14e9fd80/2ef9dd1563bd40d7bc6b13282bb3cc09 [2024-11-28 04:33:08,728 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-28 04:33:08,730 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-28 04:33:08,731 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-28 04:33:08,731 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-28 04:33:08,742 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-28 04:33:08,744 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 04:33:08" (1/1) ... [2024-11-28 04:33:08,745 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2dd4dd3a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:33:08, skipping insertion in model container [2024-11-28 04:33:08,745 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 04:33:08" (1/1) ... [2024-11-28 04:33:08,777 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-28 04:33:08,998 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_06046609-e80e-4c9b-a061-7ea03819ea51/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-17.i[916,929] [2024-11-28 04:33:09,086 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 04:33:09,100 INFO L200 MainTranslator]: Completed pre-run [2024-11-28 04:33:09,114 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_06046609-e80e-4c9b-a061-7ea03819ea51/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-17.i[916,929] [2024-11-28 04:33:09,190 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 04:33:09,214 INFO L204 MainTranslator]: Completed translation [2024-11-28 04:33:09,215 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:33:09 WrapperNode [2024-11-28 04:33:09,215 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-28 04:33:09,217 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-28 04:33:09,217 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-28 04:33:09,217 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-28 04:33:09,226 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:33:09" (1/1) ... [2024-11-28 04:33:09,242 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:33:09" (1/1) ... [2024-11-28 04:33:09,296 INFO L138 Inliner]: procedures = 29, calls = 189, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 625 [2024-11-28 04:33:09,297 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-28 04:33:09,298 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-28 04:33:09,298 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-28 04:33:09,298 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-28 04:33:09,310 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:33:09" (1/1) ... [2024-11-28 04:33:09,315 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:33:09" (1/1) ... [2024-11-28 04:33:09,322 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:33:09" (1/1) ... [2024-11-28 04:33:09,348 INFO L175 MemorySlicer]: Split 156 memory accesses to 7 slices as follows [2, 14, 89, 3, 21, 22, 5]. 57 percent of accesses are in the largest equivalence class. The 18 initializations are split as follows [2, 2, 7, 1, 3, 2, 1]. The 19 writes are split as follows [0, 2, 7, 1, 5, 3, 1]. [2024-11-28 04:33:09,348 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:33:09" (1/1) ... [2024-11-28 04:33:09,349 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:33:09" (1/1) ... [2024-11-28 04:33:09,379 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:33:09" (1/1) ... [2024-11-28 04:33:09,381 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:33:09" (1/1) ... [2024-11-28 04:33:09,387 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:33:09" (1/1) ... [2024-11-28 04:33:09,391 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:33:09" (1/1) ... [2024-11-28 04:33:09,394 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:33:09" (1/1) ... [2024-11-28 04:33:09,400 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-28 04:33:09,401 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-28 04:33:09,402 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-28 04:33:09,402 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-28 04:33:09,403 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:33:09" (1/1) ... [2024-11-28 04:33:09,411 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 04:33:09,439 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06046609-e80e-4c9b-a061-7ea03819ea51/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 04:33:09,456 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06046609-e80e-4c9b-a061-7ea03819ea51/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-28 04:33:09,460 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06046609-e80e-4c9b-a061-7ea03819ea51/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-28 04:33:09,496 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-28 04:33:09,496 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#0 [2024-11-28 04:33:09,496 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#1 [2024-11-28 04:33:09,497 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#2 [2024-11-28 04:33:09,497 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#3 [2024-11-28 04:33:09,497 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#4 [2024-11-28 04:33:09,497 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#5 [2024-11-28 04:33:09,497 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#6 [2024-11-28 04:33:09,497 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-28 04:33:09,497 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-28 04:33:09,497 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-28 04:33:09,497 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-28 04:33:09,497 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-11-28 04:33:09,499 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-11-28 04:33:09,499 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2024-11-28 04:33:09,500 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#0 [2024-11-28 04:33:09,500 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#1 [2024-11-28 04:33:09,500 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#2 [2024-11-28 04:33:09,501 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#3 [2024-11-28 04:33:09,501 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#4 [2024-11-28 04:33:09,501 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#5 [2024-11-28 04:33:09,501 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#6 [2024-11-28 04:33:09,501 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-28 04:33:09,502 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-28 04:33:09,502 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-28 04:33:09,502 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-28 04:33:09,502 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-11-28 04:33:09,502 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-11-28 04:33:09,502 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2024-11-28 04:33:09,502 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#0 [2024-11-28 04:33:09,502 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#1 [2024-11-28 04:33:09,502 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#2 [2024-11-28 04:33:09,502 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#3 [2024-11-28 04:33:09,503 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#4 [2024-11-28 04:33:09,503 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#5 [2024-11-28 04:33:09,503 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#6 [2024-11-28 04:33:09,503 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-28 04:33:09,503 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-28 04:33:09,503 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-28 04:33:09,503 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-28 04:33:09,503 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-28 04:33:09,503 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-28 04:33:09,503 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-28 04:33:09,507 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-11-28 04:33:09,508 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2024-11-28 04:33:09,508 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-28 04:33:09,508 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-28 04:33:09,788 INFO L234 CfgBuilder]: Building ICFG [2024-11-28 04:33:09,790 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-28 04:33:10,882 INFO L? ?]: Removed 167 outVars from TransFormulas that were not future-live. [2024-11-28 04:33:10,883 INFO L283 CfgBuilder]: Performing block encoding [2024-11-28 04:33:10,908 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-28 04:33:10,909 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-28 04:33:10,909 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:33:10 BoogieIcfgContainer [2024-11-28 04:33:10,910 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-28 04:33:10,914 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-28 04:33:10,914 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-28 04:33:10,921 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-28 04:33:10,922 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 04:33:08" (1/3) ... [2024-11-28 04:33:10,923 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7772d3d0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 04:33:10, skipping insertion in model container [2024-11-28 04:33:10,923 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:33:09" (2/3) ... [2024-11-28 04:33:10,925 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7772d3d0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 04:33:10, skipping insertion in model container [2024-11-28 04:33:10,925 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:33:10" (3/3) ... [2024-11-28 04:33:10,927 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_wrapper-a_file-17.i [2024-11-28 04:33:10,952 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-28 04:33:10,954 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_variablewrapping_wrapper-a_file-17.i that has 2 procedures, 144 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-11-28 04:33:11,052 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-28 04:33:11,072 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;@3b60dce6, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-28 04:33:11,072 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-28 04:33:11,079 INFO L276 IsEmpty]: Start isEmpty. Operand has 144 states, 125 states have (on average 1.456) internal successors, (182), 126 states have internal predecessors, (182), 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) [2024-11-28 04:33:11,097 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2024-11-28 04:33:11,099 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:33:11,100 INFO L218 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, 1] [2024-11-28 04:33:11,101 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 04:33:11,110 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:33:11,110 INFO L85 PathProgramCache]: Analyzing trace with hash 1809069754, now seen corresponding path program 1 times [2024-11-28 04:33:11,121 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:33:11,121 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [125980458] [2024-11-28 04:33:11,122 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:33:11,124 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:33:11,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:33:11,693 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 450 trivial. 0 not checked. [2024-11-28 04:33:11,694 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:33:11,694 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [125980458] [2024-11-28 04:33:11,695 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [125980458] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 04:33:11,695 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [199578316] [2024-11-28 04:33:11,695 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:33:11,695 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 04:33:11,695 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06046609-e80e-4c9b-a061-7ea03819ea51/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 04:33:11,698 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06046609-e80e-4c9b-a061-7ea03819ea51/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 04:33:11,703 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06046609-e80e-4c9b-a061-7ea03819ea51/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-28 04:33:12,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:33:12,166 INFO L256 TraceCheckSpWp]: Trace formula consists of 478 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-28 04:33:12,183 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 04:33:12,228 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 450 trivial. 0 not checked. [2024-11-28 04:33:12,230 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 04:33:12,231 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [199578316] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:33:12,231 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-28 04:33:12,232 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2024-11-28 04:33:12,234 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [245487726] [2024-11-28 04:33:12,235 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:33:12,240 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-28 04:33:12,242 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:33:12,269 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-28 04:33:12,270 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-28 04:33:12,275 INFO L87 Difference]: Start difference. First operand has 144 states, 125 states have (on average 1.456) internal successors, (182), 126 states have internal predecessors, (182), 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 33.0) internal successors, (66), 2 states have internal predecessors, (66), 2 states have call successors, (16), 2 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 2 states have call successors, (16) [2024-11-28 04:33:12,319 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:33:12,319 INFO L93 Difference]: Finished difference Result 281 states and 438 transitions. [2024-11-28 04:33:12,320 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-28 04:33:12,325 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 33.0) internal successors, (66), 2 states have internal predecessors, (66), 2 states have call successors, (16), 2 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 141 [2024-11-28 04:33:12,326 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:33:12,334 INFO L225 Difference]: With dead ends: 281 [2024-11-28 04:33:12,335 INFO L226 Difference]: Without dead ends: 140 [2024-11-28 04:33:12,339 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 142 GetRequests, 142 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-28 04:33:12,343 INFO L435 NwaCegarLoop]: 207 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, 207 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 [2024-11-28 04:33:12,344 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 207 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-28 04:33:12,362 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 140 states. [2024-11-28 04:33:12,391 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 140 to 140. [2024-11-28 04:33:12,392 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 140 states, 122 states have (on average 1.4344262295081966) internal successors, (175), 122 states have internal predecessors, (175), 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) [2024-11-28 04:33:12,399 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 140 states and 207 transitions. [2024-11-28 04:33:12,401 INFO L78 Accepts]: Start accepts. Automaton has 140 states and 207 transitions. Word has length 141 [2024-11-28 04:33:12,402 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:33:12,402 INFO L471 AbstractCegarLoop]: Abstraction has 140 states and 207 transitions. [2024-11-28 04:33:12,403 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 33.0) internal successors, (66), 2 states have internal predecessors, (66), 2 states have call successors, (16), 2 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 2 states have call successors, (16) [2024-11-28 04:33:12,403 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 207 transitions. [2024-11-28 04:33:12,412 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2024-11-28 04:33:12,412 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:33:12,412 INFO L218 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, 1] [2024-11-28 04:33:12,423 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06046609-e80e-4c9b-a061-7ea03819ea51/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2024-11-28 04:33:12,615 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06046609-e80e-4c9b-a061-7ea03819ea51/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2024-11-28 04:33:12,616 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 04:33:12,616 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:33:12,617 INFO L85 PathProgramCache]: Analyzing trace with hash 676775910, now seen corresponding path program 1 times [2024-11-28 04:33:12,617 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:33:12,617 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [736919056] [2024-11-28 04:33:12,617 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:33:12,617 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:33:12,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:33:13,231 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2024-11-28 04:33:13,232 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:33:13,232 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [736919056] [2024-11-28 04:33:13,232 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [736919056] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:33:13,233 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:33:13,233 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-28 04:33:13,233 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [648572837] [2024-11-28 04:33:13,233 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:33:13,234 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-28 04:33:13,234 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:33:13,236 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-28 04:33:13,237 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-28 04:33:13,238 INFO L87 Difference]: Start difference. First operand 140 states and 207 transitions. Second operand has 4 states, 4 states have (on average 16.0) internal successors, (64), 4 states have internal predecessors, (64), 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) [2024-11-28 04:33:13,327 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:33:13,328 INFO L93 Difference]: Finished difference Result 279 states and 414 transitions. [2024-11-28 04:33:13,328 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-28 04:33:13,329 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 16.0) internal successors, (64), 4 states have internal predecessors, (64), 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 141 [2024-11-28 04:33:13,329 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:33:13,331 INFO L225 Difference]: With dead ends: 279 [2024-11-28 04:33:13,331 INFO L226 Difference]: Without dead ends: 142 [2024-11-28 04:33:13,332 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-28 04:33:13,333 INFO L435 NwaCegarLoop]: 205 mSDtfsCounter, 0 mSDsluCounter, 399 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 604 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 [2024-11-28 04:33:13,334 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 604 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-28 04:33:13,335 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 142 states. [2024-11-28 04:33:13,347 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 142 to 142. [2024-11-28 04:33:13,348 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 142 states, 124 states have (on average 1.4274193548387097) internal successors, (177), 124 states have internal predecessors, (177), 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) [2024-11-28 04:33:13,350 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 142 states and 209 transitions. [2024-11-28 04:33:13,351 INFO L78 Accepts]: Start accepts. Automaton has 142 states and 209 transitions. Word has length 141 [2024-11-28 04:33:13,352 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:33:13,352 INFO L471 AbstractCegarLoop]: Abstraction has 142 states and 209 transitions. [2024-11-28 04:33:13,353 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 16.0) internal successors, (64), 4 states have internal predecessors, (64), 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) [2024-11-28 04:33:13,353 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 209 transitions. [2024-11-28 04:33:13,355 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2024-11-28 04:33:13,356 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:33:13,356 INFO L218 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, 1] [2024-11-28 04:33:13,356 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-28 04:33:13,357 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 04:33:13,357 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:33:13,357 INFO L85 PathProgramCache]: Analyzing trace with hash -1999216472, now seen corresponding path program 1 times [2024-11-28 04:33:13,358 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:33:13,358 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1130491350] [2024-11-28 04:33:13,358 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:33:13,358 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:33:13,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:33:13,961 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 0 proven. 45 refuted. 0 times theorem prover too weak. 435 trivial. 0 not checked. [2024-11-28 04:33:13,961 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:33:13,961 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1130491350] [2024-11-28 04:33:13,961 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1130491350] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 04:33:13,962 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [27525031] [2024-11-28 04:33:13,962 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:33:13,962 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 04:33:13,962 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06046609-e80e-4c9b-a061-7ea03819ea51/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 04:33:13,969 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06046609-e80e-4c9b-a061-7ea03819ea51/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 04:33:13,971 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06046609-e80e-4c9b-a061-7ea03819ea51/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-28 04:33:14,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:33:14,413 INFO L256 TraceCheckSpWp]: Trace formula consists of 480 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-28 04:33:14,428 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 04:33:14,526 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2024-11-28 04:33:14,527 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 04:33:14,527 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [27525031] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:33:14,527 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-28 04:33:14,527 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [6] total 8 [2024-11-28 04:33:14,528 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1965949336] [2024-11-28 04:33:14,528 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:33:14,529 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-28 04:33:14,530 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:33:14,531 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-28 04:33:14,532 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2024-11-28 04:33:14,532 INFO L87 Difference]: Start difference. First operand 142 states and 209 transitions. Second operand has 4 states, 4 states have (on average 16.0) internal successors, (64), 4 states have internal predecessors, (64), 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) [2024-11-28 04:33:14,618 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:33:14,622 INFO L93 Difference]: Finished difference Result 284 states and 419 transitions. [2024-11-28 04:33:14,622 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-28 04:33:14,623 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 16.0) internal successors, (64), 4 states have internal predecessors, (64), 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 141 [2024-11-28 04:33:14,625 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:33:14,627 INFO L225 Difference]: With dead ends: 284 [2024-11-28 04:33:14,630 INFO L226 Difference]: Without dead ends: 145 [2024-11-28 04:33:14,631 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 147 GetRequests, 141 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2024-11-28 04:33:14,632 INFO L435 NwaCegarLoop]: 204 mSDtfsCounter, 1 mSDsluCounter, 397 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 601 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-28 04:33:14,633 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 601 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-28 04:33:14,638 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 145 states. [2024-11-28 04:33:14,657 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 145 to 144. [2024-11-28 04:33:14,661 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 144 states, 126 states have (on average 1.4206349206349207) internal successors, (179), 126 states have internal predecessors, (179), 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) [2024-11-28 04:33:14,664 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 144 states and 211 transitions. [2024-11-28 04:33:14,664 INFO L78 Accepts]: Start accepts. Automaton has 144 states and 211 transitions. Word has length 141 [2024-11-28 04:33:14,665 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:33:14,667 INFO L471 AbstractCegarLoop]: Abstraction has 144 states and 211 transitions. [2024-11-28 04:33:14,667 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 16.0) internal successors, (64), 4 states have internal predecessors, (64), 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) [2024-11-28 04:33:14,668 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 211 transitions. [2024-11-28 04:33:14,671 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2024-11-28 04:33:14,674 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:33:14,675 INFO L218 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, 1] [2024-11-28 04:33:14,689 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06046609-e80e-4c9b-a061-7ea03819ea51/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-28 04:33:14,875 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06046609-e80e-4c9b-a061-7ea03819ea51/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 04:33:14,876 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 04:33:14,876 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:33:14,877 INFO L85 PathProgramCache]: Analyzing trace with hash -1319158102, now seen corresponding path program 1 times [2024-11-28 04:33:14,877 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:33:14,877 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [857107138] [2024-11-28 04:33:14,877 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:33:14,877 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:33:14,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:33:15,379 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 0 proven. 45 refuted. 0 times theorem prover too weak. 435 trivial. 0 not checked. [2024-11-28 04:33:15,379 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:33:15,379 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [857107138] [2024-11-28 04:33:15,379 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [857107138] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 04:33:15,380 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1734723610] [2024-11-28 04:33:15,380 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:33:15,380 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 04:33:15,380 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06046609-e80e-4c9b-a061-7ea03819ea51/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 04:33:15,386 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06046609-e80e-4c9b-a061-7ea03819ea51/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 04:33:15,390 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06046609-e80e-4c9b-a061-7ea03819ea51/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-28 04:33:15,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:33:15,781 INFO L256 TraceCheckSpWp]: Trace formula consists of 477 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-28 04:33:15,787 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 04:33:15,847 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2024-11-28 04:33:15,847 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 04:33:15,847 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1734723610] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:33:15,847 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-28 04:33:15,848 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [6] total 7 [2024-11-28 04:33:15,848 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [301415705] [2024-11-28 04:33:15,848 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:33:15,849 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-28 04:33:15,849 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:33:15,851 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-28 04:33:15,851 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-11-28 04:33:15,851 INFO L87 Difference]: Start difference. First operand 144 states and 211 transitions. Second operand has 4 states, 4 states have (on average 16.0) internal successors, (64), 4 states have internal predecessors, (64), 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) [2024-11-28 04:33:15,899 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:33:15,900 INFO L93 Difference]: Finished difference Result 287 states and 422 transitions. [2024-11-28 04:33:15,900 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-28 04:33:15,901 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 16.0) internal successors, (64), 4 states have internal predecessors, (64), 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 141 [2024-11-28 04:33:15,901 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:33:15,903 INFO L225 Difference]: With dead ends: 287 [2024-11-28 04:33:15,903 INFO L226 Difference]: Without dead ends: 146 [2024-11-28 04:33:15,904 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 147 GetRequests, 142 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-11-28 04:33:15,905 INFO L435 NwaCegarLoop]: 205 mSDtfsCounter, 0 mSDsluCounter, 399 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 604 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 [2024-11-28 04:33:15,906 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 604 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-28 04:33:15,907 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 146 states. [2024-11-28 04:33:15,917 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 146 to 146. [2024-11-28 04:33:15,918 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 146 states, 128 states have (on average 1.4140625) internal successors, (181), 128 states have internal predecessors, (181), 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) [2024-11-28 04:33:15,920 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 146 states and 213 transitions. [2024-11-28 04:33:15,920 INFO L78 Accepts]: Start accepts. Automaton has 146 states and 213 transitions. Word has length 141 [2024-11-28 04:33:15,921 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:33:15,921 INFO L471 AbstractCegarLoop]: Abstraction has 146 states and 213 transitions. [2024-11-28 04:33:15,922 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 16.0) internal successors, (64), 4 states have internal predecessors, (64), 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) [2024-11-28 04:33:15,922 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 213 transitions. [2024-11-28 04:33:15,924 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2024-11-28 04:33:15,925 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:33:15,925 INFO L218 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, 1, 1, 1] [2024-11-28 04:33:15,937 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06046609-e80e-4c9b-a061-7ea03819ea51/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-11-28 04:33:16,125 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06046609-e80e-4c9b-a061-7ea03819ea51/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 04:33:16,126 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 04:33:16,128 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:33:16,128 INFO L85 PathProgramCache]: Analyzing trace with hash 551308611, now seen corresponding path program 1 times [2024-11-28 04:33:16,128 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:33:16,128 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [345149282] [2024-11-28 04:33:16,129 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:33:16,129 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:33:16,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:33:17,377 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2024-11-28 04:33:17,378 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:33:17,378 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [345149282] [2024-11-28 04:33:17,379 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [345149282] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:33:17,379 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:33:17,379 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-28 04:33:17,379 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [102913870] [2024-11-28 04:33:17,379 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:33:17,380 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-28 04:33:17,380 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:33:17,381 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-28 04:33:17,381 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-28 04:33:17,382 INFO L87 Difference]: Start difference. First operand 146 states and 213 transitions. Second operand has 5 states, 5 states have (on average 13.2) internal successors, (66), 5 states have internal predecessors, (66), 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) [2024-11-28 04:33:17,513 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:33:17,515 INFO L93 Difference]: Finished difference Result 292 states and 427 transitions. [2024-11-28 04:33:17,516 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-28 04:33:17,516 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 13.2) internal successors, (66), 5 states have internal predecessors, (66), 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 143 [2024-11-28 04:33:17,518 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:33:17,521 INFO L225 Difference]: With dead ends: 292 [2024-11-28 04:33:17,522 INFO L226 Difference]: Without dead ends: 149 [2024-11-28 04:33:17,522 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2024-11-28 04:33:17,524 INFO L435 NwaCegarLoop]: 200 mSDtfsCounter, 90 mSDsluCounter, 491 mSDsCounter, 0 mSdLazyCounter, 37 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 90 SdHoareTripleChecker+Valid, 691 SdHoareTripleChecker+Invalid, 37 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 37 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-28 04:33:17,524 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [90 Valid, 691 Invalid, 37 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 37 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-28 04:33:17,529 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 149 states. [2024-11-28 04:33:17,541 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 149 to 148. [2024-11-28 04:33:17,544 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 148 states, 130 states have (on average 1.4076923076923078) internal successors, (183), 130 states have internal predecessors, (183), 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) [2024-11-28 04:33:17,545 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 148 states and 215 transitions. [2024-11-28 04:33:17,546 INFO L78 Accepts]: Start accepts. Automaton has 148 states and 215 transitions. Word has length 143 [2024-11-28 04:33:17,549 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:33:17,550 INFO L471 AbstractCegarLoop]: Abstraction has 148 states and 215 transitions. [2024-11-28 04:33:17,550 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 13.2) internal successors, (66), 5 states have internal predecessors, (66), 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) [2024-11-28 04:33:17,550 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 215 transitions. [2024-11-28 04:33:17,552 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2024-11-28 04:33:17,554 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:33:17,555 INFO L218 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, 1, 1, 1] [2024-11-28 04:33:17,555 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-28 04:33:17,555 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 04:33:17,556 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:33:17,556 INFO L85 PathProgramCache]: Analyzing trace with hash 1231366981, now seen corresponding path program 1 times [2024-11-28 04:33:17,556 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:33:17,557 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2040167512] [2024-11-28 04:33:17,557 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:33:17,557 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:33:17,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:33:19,138 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2024-11-28 04:33:19,140 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:33:19,141 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2040167512] [2024-11-28 04:33:19,141 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2040167512] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:33:19,141 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:33:19,141 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-28 04:33:19,141 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [203057451] [2024-11-28 04:33:19,141 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:33:19,142 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-28 04:33:19,142 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:33:19,143 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-28 04:33:19,145 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-11-28 04:33:19,146 INFO L87 Difference]: Start difference. First operand 148 states and 215 transitions. Second operand has 7 states, 7 states have (on average 9.428571428571429) internal successors, (66), 7 states have internal predecessors, (66), 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) [2024-11-28 04:33:19,687 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:33:19,688 INFO L93 Difference]: Finished difference Result 586 states and 855 transitions. [2024-11-28 04:33:19,688 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-28 04:33:19,689 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 9.428571428571429) internal successors, (66), 7 states have internal predecessors, (66), 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 143 [2024-11-28 04:33:19,689 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:33:19,692 INFO L225 Difference]: With dead ends: 586 [2024-11-28 04:33:19,693 INFO L226 Difference]: Without dead ends: 441 [2024-11-28 04:33:19,694 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2024-11-28 04:33:19,695 INFO L435 NwaCegarLoop]: 295 mSDtfsCounter, 337 mSDsluCounter, 1293 mSDsCounter, 0 mSdLazyCounter, 221 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 337 SdHoareTripleChecker+Valid, 1588 SdHoareTripleChecker+Invalid, 224 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 221 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-28 04:33:19,695 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [337 Valid, 1588 Invalid, 224 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 221 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-28 04:33:19,696 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 441 states. [2024-11-28 04:33:19,736 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 441 to 435. [2024-11-28 04:33:19,741 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 435 states, 383 states have (on average 1.4099216710182767) internal successors, (540), 383 states have internal predecessors, (540), 48 states have call successors, (48), 3 states have call predecessors, (48), 3 states have return successors, (48), 48 states have call predecessors, (48), 48 states have call successors, (48) [2024-11-28 04:33:19,744 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 435 states to 435 states and 636 transitions. [2024-11-28 04:33:19,749 INFO L78 Accepts]: Start accepts. Automaton has 435 states and 636 transitions. Word has length 143 [2024-11-28 04:33:19,749 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:33:19,750 INFO L471 AbstractCegarLoop]: Abstraction has 435 states and 636 transitions. [2024-11-28 04:33:19,750 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 9.428571428571429) internal successors, (66), 7 states have internal predecessors, (66), 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) [2024-11-28 04:33:19,750 INFO L276 IsEmpty]: Start isEmpty. Operand 435 states and 636 transitions. [2024-11-28 04:33:19,752 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2024-11-28 04:33:19,754 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:33:19,755 INFO L218 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, 1, 1, 1] [2024-11-28 04:33:19,755 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-28 04:33:19,755 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 04:33:19,756 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:33:19,757 INFO L85 PathProgramCache]: Analyzing trace with hash -2016773691, now seen corresponding path program 1 times [2024-11-28 04:33:19,757 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:33:19,757 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1311884675] [2024-11-28 04:33:19,757 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:33:19,757 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:33:19,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:33:20,607 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2024-11-28 04:33:20,607 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:33:20,608 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1311884675] [2024-11-28 04:33:20,608 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1311884675] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:33:20,608 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:33:20,608 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-28 04:33:20,608 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [758899710] [2024-11-28 04:33:20,608 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:33:20,609 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-28 04:33:20,609 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:33:20,610 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-28 04:33:20,610 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-28 04:33:20,610 INFO L87 Difference]: Start difference. First operand 435 states and 636 transitions. Second operand has 6 states, 5 states have (on average 13.2) internal successors, (66), 6 states have internal predecessors, (66), 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) [2024-11-28 04:33:20,815 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:33:20,816 INFO L93 Difference]: Finished difference Result 1082 states and 1573 transitions. [2024-11-28 04:33:20,817 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-28 04:33:20,818 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 13.2) internal successors, (66), 6 states have internal predecessors, (66), 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 143 [2024-11-28 04:33:20,818 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:33:20,823 INFO L225 Difference]: With dead ends: 1082 [2024-11-28 04:33:20,823 INFO L226 Difference]: Without dead ends: 650 [2024-11-28 04:33:20,824 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2024-11-28 04:33:20,825 INFO L435 NwaCegarLoop]: 196 mSDtfsCounter, 94 mSDsluCounter, 757 mSDsCounter, 0 mSdLazyCounter, 71 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 95 SdHoareTripleChecker+Valid, 953 SdHoareTripleChecker+Invalid, 73 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 71 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-28 04:33:20,826 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [95 Valid, 953 Invalid, 73 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 71 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-28 04:33:20,827 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 650 states. [2024-11-28 04:33:20,880 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 650 to 645. [2024-11-28 04:33:20,882 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 645 states, 584 states have (on average 1.4126712328767124) internal successors, (825), 587 states have internal predecessors, (825), 54 states have call successors, (54), 6 states have call predecessors, (54), 6 states have return successors, (54), 51 states have call predecessors, (54), 54 states have call successors, (54) [2024-11-28 04:33:20,887 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 645 states to 645 states and 933 transitions. [2024-11-28 04:33:20,888 INFO L78 Accepts]: Start accepts. Automaton has 645 states and 933 transitions. Word has length 143 [2024-11-28 04:33:20,888 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:33:20,889 INFO L471 AbstractCegarLoop]: Abstraction has 645 states and 933 transitions. [2024-11-28 04:33:20,889 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 13.2) internal successors, (66), 6 states have internal predecessors, (66), 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) [2024-11-28 04:33:20,889 INFO L276 IsEmpty]: Start isEmpty. Operand 645 states and 933 transitions. [2024-11-28 04:33:20,892 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2024-11-28 04:33:20,892 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:33:20,892 INFO L218 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, 1, 1, 1, 1] [2024-11-28 04:33:20,892 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-28 04:33:20,893 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 04:33:20,893 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:33:20,893 INFO L85 PathProgramCache]: Analyzing trace with hash 371508852, now seen corresponding path program 1 times [2024-11-28 04:33:20,893 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:33:20,894 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2015650262] [2024-11-28 04:33:20,894 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:33:20,894 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:33:21,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:33:22,016 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2024-11-28 04:33:22,016 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:33:22,016 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2015650262] [2024-11-28 04:33:22,016 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2015650262] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:33:22,016 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:33:22,016 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-28 04:33:22,017 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [629921828] [2024-11-28 04:33:22,017 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:33:22,017 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-28 04:33:22,017 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:33:22,018 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-28 04:33:22,018 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-28 04:33:22,018 INFO L87 Difference]: Start difference. First operand 645 states and 933 transitions. Second operand has 6 states, 6 states have (on average 11.166666666666666) internal successors, (67), 6 states have internal predecessors, (67), 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) [2024-11-28 04:33:22,284 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:33:22,284 INFO L93 Difference]: Finished difference Result 1079 states and 1561 transitions. [2024-11-28 04:33:22,285 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-28 04:33:22,285 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 11.166666666666666) internal successors, (67), 6 states have internal predecessors, (67), 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 144 [2024-11-28 04:33:22,286 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:33:22,295 INFO L225 Difference]: With dead ends: 1079 [2024-11-28 04:33:22,296 INFO L226 Difference]: Without dead ends: 865 [2024-11-28 04:33:22,298 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2024-11-28 04:33:22,298 INFO L435 NwaCegarLoop]: 326 mSDtfsCounter, 196 mSDsluCounter, 1148 mSDsCounter, 0 mSdLazyCounter, 108 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 196 SdHoareTripleChecker+Valid, 1474 SdHoareTripleChecker+Invalid, 110 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 108 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-28 04:33:22,299 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [196 Valid, 1474 Invalid, 110 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 108 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-28 04:33:22,304 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 865 states. [2024-11-28 04:33:22,374 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 865 to 435. [2024-11-28 04:33:22,375 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 435 states, 394 states have (on average 1.4111675126903553) internal successors, (556), 396 states have internal predecessors, (556), 36 states have call successors, (36), 4 states have call predecessors, (36), 4 states have return successors, (36), 34 states have call predecessors, (36), 36 states have call successors, (36) [2024-11-28 04:33:22,380 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 435 states to 435 states and 628 transitions. [2024-11-28 04:33:22,383 INFO L78 Accepts]: Start accepts. Automaton has 435 states and 628 transitions. Word has length 144 [2024-11-28 04:33:22,383 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:33:22,383 INFO L471 AbstractCegarLoop]: Abstraction has 435 states and 628 transitions. [2024-11-28 04:33:22,384 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 11.166666666666666) internal successors, (67), 6 states have internal predecessors, (67), 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) [2024-11-28 04:33:22,384 INFO L276 IsEmpty]: Start isEmpty. Operand 435 states and 628 transitions. [2024-11-28 04:33:22,391 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2024-11-28 04:33:22,391 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:33:22,391 INFO L218 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, 1, 1, 1, 1] [2024-11-28 04:33:22,391 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-28 04:33:22,391 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 04:33:22,392 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:33:22,392 INFO L85 PathProgramCache]: Analyzing trace with hash 1557348177, now seen corresponding path program 1 times [2024-11-28 04:33:22,392 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:33:22,392 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1377156205] [2024-11-28 04:33:22,392 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:33:22,392 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:33:22,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 04:33:22,527 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-28 04:33:22,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 04:33:22,732 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-28 04:33:22,732 INFO L340 BasicCegarLoop]: Counterexample is feasible [2024-11-28 04:33:22,734 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-28 04:33:22,736 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-28 04:33:22,741 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:33:22,934 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-28 04:33:22,944 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 04:33:22 BoogieIcfgContainer [2024-11-28 04:33:22,944 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-28 04:33:22,945 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-28 04:33:22,945 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-28 04:33:22,945 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-28 04:33:22,946 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:33:10" (3/4) ... [2024-11-28 04:33:22,949 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-11-28 04:33:22,950 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-28 04:33:22,951 INFO L158 Benchmark]: Toolchain (without parser) took 14221.41ms. Allocated memory was 142.6MB in the beginning and 369.1MB in the end (delta: 226.5MB). Free memory was 103.5MB in the beginning and 230.8MB in the end (delta: -127.3MB). Peak memory consumption was 94.4MB. Max. memory is 16.1GB. [2024-11-28 04:33:22,951 INFO L158 Benchmark]: CDTParser took 0.41ms. Allocated memory is still 167.8MB. Free memory is still 104.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 04:33:22,951 INFO L158 Benchmark]: CACSL2BoogieTranslator took 484.66ms. Allocated memory is still 142.6MB. Free memory was 103.5MB in the beginning and 88.1MB in the end (delta: 15.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-28 04:33:22,952 INFO L158 Benchmark]: Boogie Procedure Inliner took 80.55ms. Allocated memory is still 142.6MB. Free memory was 88.1MB in the beginning and 83.7MB in the end (delta: 4.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 04:33:22,952 INFO L158 Benchmark]: Boogie Preprocessor took 102.83ms. Allocated memory is still 142.6MB. Free memory was 83.7MB in the beginning and 78.4MB in the end (delta: 5.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-28 04:33:22,954 INFO L158 Benchmark]: RCFGBuilder took 1508.98ms. Allocated memory is still 142.6MB. Free memory was 78.4MB in the beginning and 40.2MB in the end (delta: 38.2MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2024-11-28 04:33:22,955 INFO L158 Benchmark]: TraceAbstraction took 12030.44ms. Allocated memory was 142.6MB in the beginning and 369.1MB in the end (delta: 226.5MB). Free memory was 39.5MB in the beginning and 230.9MB in the end (delta: -191.5MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. [2024-11-28 04:33:22,955 INFO L158 Benchmark]: Witness Printer took 4.99ms. Allocated memory is still 369.1MB. Free memory was 230.9MB in the beginning and 230.8MB in the end (delta: 115.3kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 04:33:22,959 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.41ms. Allocated memory is still 167.8MB. Free memory is still 104.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 484.66ms. Allocated memory is still 142.6MB. Free memory was 103.5MB in the beginning and 88.1MB in the end (delta: 15.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 80.55ms. Allocated memory is still 142.6MB. Free memory was 88.1MB in the beginning and 83.7MB in the end (delta: 4.4MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 102.83ms. Allocated memory is still 142.6MB. Free memory was 83.7MB in the beginning and 78.4MB in the end (delta: 5.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 1508.98ms. Allocated memory is still 142.6MB. Free memory was 78.4MB in the beginning and 40.2MB in the end (delta: 38.2MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. * TraceAbstraction took 12030.44ms. Allocated memory was 142.6MB in the beginning and 369.1MB in the end (delta: 226.5MB). Free memory was 39.5MB in the beginning and 230.9MB in the end (delta: -191.5MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. * Witness Printer took 4.99ms. Allocated memory is still 369.1MB. Free memory was 230.9MB in the beginning and 230.8MB in the end (delta: 115.3kB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryDOUBLEComparisonOperation at line 82, overapproximation of someBinaryDOUBLEComparisonOperation at line 105, overapproximation of someBinaryDOUBLEComparisonOperation at line 68, overapproximation of someBinaryDOUBLEComparisonOperation at line 84, overapproximation of someBinaryDOUBLEComparisonOperation at line 88, overapproximation of someBinaryDOUBLEComparisonOperation at line 80, overapproximation of someBinaryDOUBLEComparisonOperation at line 80, overapproximation of someBinaryDOUBLEComparisonOperation at line 82, overapproximation of someBinaryDOUBLEComparisonOperation at line 90, overapproximation of someBinaryDOUBLEComparisonOperation at line 57, overapproximation of someBinaryDOUBLEComparisonOperation at line 86, overapproximation of someBinaryDOUBLEComparisonOperation at line 86, overapproximation of someBinaryDOUBLEComparisonOperation at line 90, overapproximation of someBinaryDOUBLEComparisonOperation at line 88, overapproximation of someBinaryDOUBLEComparisonOperation at line 84. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22-L24] unsigned char BOOL_unsigned_char_Array_0[2] = { 0, 0 }; [L22-L24] unsigned char BOOL_unsigned_char_Array_0[2] = { 0, 0 }; [L22-L24] unsigned char BOOL_unsigned_char_Array_0[2] = { 0, 0 }; [L25-L27] double double_Array_0[7] = { 9.4, 4.5, 3.5, 49.6, 7.5, 16.2, 10000000.8 }; [L25-L27] double double_Array_0[7] = { 9.4, 4.5, 3.5, 49.6, 7.5, 16.2, 10000000.8 }; [L25-L27] double double_Array_0[7] = { 9.4, 4.5, 3.5, 49.6, 7.5, 16.2, 10000000.8 }; [L25-L27] double double_Array_0[7] = { 9.4, 4.5, 3.5, 49.6, 7.5, 16.2, 10000000.8 }; [L25-L27] double double_Array_0[7] = { 9.4, 4.5, 3.5, 49.6, 7.5, 16.2, 10000000.8 }; [L25-L27] double double_Array_0[7] = { 9.4, 4.5, 3.5, 49.6, 7.5, 16.2, 10000000.8 }; [L25-L27] double double_Array_0[7] = { 9.4, 4.5, 3.5, 49.6, 7.5, 16.2, 10000000.8 }; [L25-L27] double double_Array_0[7] = { 9.4, 4.5, 3.5, 49.6, 7.5, 16.2, 10000000.8 }; [L28-L30] float float_Array_0[1] = { 128.4 }; [L28-L30] float float_Array_0[1] = { 128.4 }; [L31-L33] signed short int signed_short_int_Array_0[3] = { 128, 128, -10 }; [L31-L33] signed short int signed_short_int_Array_0[3] = { 128, 128, -10 }; [L31-L33] signed short int signed_short_int_Array_0[3] = { 128, 128, -10 }; [L31-L33] signed short int signed_short_int_Array_0[3] = { 128, 128, -10 }; [L34-L36] unsigned char unsigned_char_Array_0[2] = { 2, 16 }; [L34-L36] unsigned char unsigned_char_Array_0[2] = { 2, 16 }; [L34-L36] unsigned char unsigned_char_Array_0[2] = { 2, 16 }; [L37-L39] unsigned long int unsigned_long_int_Array_0[1] = { 100 }; [L37-L39] unsigned long int unsigned_long_int_Array_0[1] = { 100 }; [L40] unsigned char last_1_unsigned_char_Array_0_1_ = 16; VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=0, last_1_unsigned_char_Array_0_1_=16, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_long_int_Array_0={9:0}] [L109] isInitial = 1 [L110] FCALL initially() [L112] CALL updateLastVariables() [L102] EXPR unsigned_char_Array_0[1] [L102] last_1_unsigned_char_Array_0_1_ = unsigned_char_Array_0[1] [L112] RET updateLastVariables() [L113] CALL updateVariables() [L73] BOOL_unsigned_char_Array_0[0] = __VERIFIER_nondet_uchar() [L74] EXPR BOOL_unsigned_char_Array_0[0] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_unsigned_char_Array_0_1_=16, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_long_int_Array_0={9:0}] [L74] CALL assume_abort_if_not(BOOL_unsigned_char_Array_0[0] >= 0) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_unsigned_char_Array_0_1_=16, 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 [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_unsigned_char_Array_0_1_=16, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_long_int_Array_0={9:0}] [L74] RET assume_abort_if_not(BOOL_unsigned_char_Array_0[0] >= 0) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_unsigned_char_Array_0_1_=16, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_long_int_Array_0={9:0}] [L75] EXPR BOOL_unsigned_char_Array_0[0] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_unsigned_char_Array_0_1_=16, 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(BOOL_unsigned_char_Array_0[0] <= 1) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_unsigned_char_Array_0_1_=16, 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 [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_unsigned_char_Array_0_1_=16, 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(BOOL_unsigned_char_Array_0[0] <= 1) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_unsigned_char_Array_0_1_=16, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_long_int_Array_0={9:0}] [L76] BOOL_unsigned_char_Array_0[1] = __VERIFIER_nondet_uchar() [L77] EXPR BOOL_unsigned_char_Array_0[1] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_unsigned_char_Array_0_1_=16, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_long_int_Array_0={9:0}] [L77] CALL assume_abort_if_not(BOOL_unsigned_char_Array_0[1] >= 0) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_unsigned_char_Array_0_1_=16, 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 [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_unsigned_char_Array_0_1_=16, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_long_int_Array_0={9:0}] [L77] RET assume_abort_if_not(BOOL_unsigned_char_Array_0[1] >= 0) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_unsigned_char_Array_0_1_=16, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_long_int_Array_0={9:0}] [L78] EXPR BOOL_unsigned_char_Array_0[1] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_unsigned_char_Array_0_1_=16, 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(BOOL_unsigned_char_Array_0[1] <= 1) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_unsigned_char_Array_0_1_=16, 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 [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_unsigned_char_Array_0_1_=16, 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(BOOL_unsigned_char_Array_0[1] <= 1) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_unsigned_char_Array_0_1_=16, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_long_int_Array_0={9:0}] [L79] double_Array_0[0] = __VERIFIER_nondet_double() [L80] EXPR double_Array_0[0] [L80] EXPR double_Array_0[0] >= 0.0F && double_Array_0[0] <= -1.0e-20F VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_unsigned_char_Array_0_1_=16, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_long_int_Array_0={9:0}] [L80] EXPR double_Array_0[0] >= 0.0F && double_Array_0[0] <= -1.0e-20F [L80] EXPR double_Array_0[0] [L80] EXPR double_Array_0[0] >= 0.0F && double_Array_0[0] <= -1.0e-20F VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_unsigned_char_Array_0_1_=16, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_long_int_Array_0={9:0}] [L80] EXPR (double_Array_0[0] >= 0.0F && double_Array_0[0] <= -1.0e-20F) || (double_Array_0[0] <= 9223372.036854776000e+12F && double_Array_0[0] >= 1.0e-20F ) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_unsigned_char_Array_0_1_=16, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_long_int_Array_0={9:0}] [L80] EXPR (double_Array_0[0] >= 0.0F && double_Array_0[0] <= -1.0e-20F) || (double_Array_0[0] <= 9223372.036854776000e+12F && double_Array_0[0] >= 1.0e-20F ) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_unsigned_char_Array_0_1_=16, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_long_int_Array_0={9:0}] [L80] CALL assume_abort_if_not((double_Array_0[0] >= 0.0F && double_Array_0[0] <= -1.0e-20F) || (double_Array_0[0] <= 9223372.036854776000e+12F && double_Array_0[0] >= 1.0e-20F )) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_unsigned_char_Array_0_1_=16, 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 [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_unsigned_char_Array_0_1_=16, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_long_int_Array_0={9:0}] [L80] RET assume_abort_if_not((double_Array_0[0] >= 0.0F && double_Array_0[0] <= -1.0e-20F) || (double_Array_0[0] <= 9223372.036854776000e+12F && double_Array_0[0] >= 1.0e-20F )) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_unsigned_char_Array_0_1_=16, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_long_int_Array_0={9:0}] [L81] double_Array_0[1] = __VERIFIER_nondet_double() [L82] EXPR double_Array_0[1] [L82] EXPR double_Array_0[1] >= 0.0F && double_Array_0[1] <= -1.0e-20F VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_unsigned_char_Array_0_1_=16, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_long_int_Array_0={9:0}] [L82] EXPR double_Array_0[1] >= 0.0F && double_Array_0[1] <= -1.0e-20F [L82] EXPR double_Array_0[1] [L82] EXPR double_Array_0[1] >= 0.0F && double_Array_0[1] <= -1.0e-20F VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_unsigned_char_Array_0_1_=16, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_long_int_Array_0={9:0}] [L82] EXPR (double_Array_0[1] >= 0.0F && double_Array_0[1] <= -1.0e-20F) || (double_Array_0[1] <= 9223372.036854776000e+12F && double_Array_0[1] >= 1.0e-20F ) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_unsigned_char_Array_0_1_=16, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_long_int_Array_0={9:0}] [L82] EXPR (double_Array_0[1] >= 0.0F && double_Array_0[1] <= -1.0e-20F) || (double_Array_0[1] <= 9223372.036854776000e+12F && double_Array_0[1] >= 1.0e-20F ) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_unsigned_char_Array_0_1_=16, 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((double_Array_0[1] >= 0.0F && double_Array_0[1] <= -1.0e-20F) || (double_Array_0[1] <= 9223372.036854776000e+12F && double_Array_0[1] >= 1.0e-20F )) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_unsigned_char_Array_0_1_=16, 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 [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_unsigned_char_Array_0_1_=16, 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((double_Array_0[1] >= 0.0F && double_Array_0[1] <= -1.0e-20F) || (double_Array_0[1] <= 9223372.036854776000e+12F && double_Array_0[1] >= 1.0e-20F )) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_unsigned_char_Array_0_1_=16, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_long_int_Array_0={9:0}] [L83] double_Array_0[2] = __VERIFIER_nondet_double() [L84] EXPR double_Array_0[2] [L84] EXPR double_Array_0[2] >= 0.0F && double_Array_0[2] <= -1.0e-20F VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_unsigned_char_Array_0_1_=16, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_long_int_Array_0={9:0}] [L84] EXPR double_Array_0[2] >= 0.0F && double_Array_0[2] <= -1.0e-20F [L84] EXPR double_Array_0[2] [L84] EXPR double_Array_0[2] >= 0.0F && double_Array_0[2] <= -1.0e-20F VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_unsigned_char_Array_0_1_=16, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_long_int_Array_0={9:0}] [L84] EXPR (double_Array_0[2] >= 0.0F && double_Array_0[2] <= -1.0e-20F) || (double_Array_0[2] <= 9223372.036854776000e+12F && double_Array_0[2] >= 1.0e-20F ) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_unsigned_char_Array_0_1_=16, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_long_int_Array_0={9:0}] [L84] EXPR (double_Array_0[2] >= 0.0F && double_Array_0[2] <= -1.0e-20F) || (double_Array_0[2] <= 9223372.036854776000e+12F && double_Array_0[2] >= 1.0e-20F ) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_unsigned_char_Array_0_1_=16, 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((double_Array_0[2] >= 0.0F && double_Array_0[2] <= -1.0e-20F) || (double_Array_0[2] <= 9223372.036854776000e+12F && double_Array_0[2] >= 1.0e-20F )) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_unsigned_char_Array_0_1_=16, 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 [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_unsigned_char_Array_0_1_=16, 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((double_Array_0[2] >= 0.0F && double_Array_0[2] <= -1.0e-20F) || (double_Array_0[2] <= 9223372.036854776000e+12F && double_Array_0[2] >= 1.0e-20F )) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_unsigned_char_Array_0_1_=16, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_long_int_Array_0={9:0}] [L85] double_Array_0[3] = __VERIFIER_nondet_double() [L86] EXPR double_Array_0[3] [L86] EXPR double_Array_0[3] >= -230584.3009213691390e+13F && double_Array_0[3] <= -1.0e-20F VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_unsigned_char_Array_0_1_=16, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_long_int_Array_0={9:0}] [L86] EXPR double_Array_0[3] >= -230584.3009213691390e+13F && double_Array_0[3] <= -1.0e-20F [L86] EXPR double_Array_0[3] [L86] EXPR double_Array_0[3] >= -230584.3009213691390e+13F && double_Array_0[3] <= -1.0e-20F VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_unsigned_char_Array_0_1_=16, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_long_int_Array_0={9:0}] [L86] EXPR (double_Array_0[3] >= -230584.3009213691390e+13F && double_Array_0[3] <= -1.0e-20F) || (double_Array_0[3] <= 2305843.009213691390e+12F && double_Array_0[3] >= 1.0e-20F ) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_unsigned_char_Array_0_1_=16, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_long_int_Array_0={9:0}] [L86] EXPR (double_Array_0[3] >= -230584.3009213691390e+13F && double_Array_0[3] <= -1.0e-20F) || (double_Array_0[3] <= 2305843.009213691390e+12F && double_Array_0[3] >= 1.0e-20F ) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_unsigned_char_Array_0_1_=16, 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((double_Array_0[3] >= -230584.3009213691390e+13F && double_Array_0[3] <= -1.0e-20F) || (double_Array_0[3] <= 2305843.009213691390e+12F && double_Array_0[3] >= 1.0e-20F )) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_unsigned_char_Array_0_1_=16, 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 [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_unsigned_char_Array_0_1_=16, 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((double_Array_0[3] >= -230584.3009213691390e+13F && double_Array_0[3] <= -1.0e-20F) || (double_Array_0[3] <= 2305843.009213691390e+12F && double_Array_0[3] >= 1.0e-20F )) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_unsigned_char_Array_0_1_=16, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_long_int_Array_0={9:0}] [L87] double_Array_0[4] = __VERIFIER_nondet_double() [L88] EXPR double_Array_0[4] [L88] EXPR double_Array_0[4] >= -461168.6018427382800e+13F && double_Array_0[4] <= -1.0e-20F VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_unsigned_char_Array_0_1_=16, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_long_int_Array_0={9:0}] [L88] EXPR double_Array_0[4] >= -461168.6018427382800e+13F && double_Array_0[4] <= -1.0e-20F [L88] EXPR double_Array_0[4] [L88] EXPR double_Array_0[4] >= -461168.6018427382800e+13F && double_Array_0[4] <= -1.0e-20F VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_unsigned_char_Array_0_1_=16, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_long_int_Array_0={9:0}] [L88] EXPR (double_Array_0[4] >= -461168.6018427382800e+13F && double_Array_0[4] <= -1.0e-20F) || (double_Array_0[4] <= 4611686.018427382800e+12F && double_Array_0[4] >= 1.0e-20F ) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_unsigned_char_Array_0_1_=16, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_long_int_Array_0={9:0}] [L88] EXPR (double_Array_0[4] >= -461168.6018427382800e+13F && double_Array_0[4] <= -1.0e-20F) || (double_Array_0[4] <= 4611686.018427382800e+12F && double_Array_0[4] >= 1.0e-20F ) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_unsigned_char_Array_0_1_=16, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_long_int_Array_0={9:0}] [L88] CALL assume_abort_if_not((double_Array_0[4] >= -461168.6018427382800e+13F && double_Array_0[4] <= -1.0e-20F) || (double_Array_0[4] <= 4611686.018427382800e+12F && double_Array_0[4] >= 1.0e-20F )) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_unsigned_char_Array_0_1_=16, 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 [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_unsigned_char_Array_0_1_=16, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_long_int_Array_0={9:0}] [L88] RET assume_abort_if_not((double_Array_0[4] >= -461168.6018427382800e+13F && double_Array_0[4] <= -1.0e-20F) || (double_Array_0[4] <= 4611686.018427382800e+12F && double_Array_0[4] >= 1.0e-20F )) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_unsigned_char_Array_0_1_=16, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_long_int_Array_0={9:0}] [L89] double_Array_0[5] = __VERIFIER_nondet_double() [L90] EXPR double_Array_0[5] [L90] EXPR double_Array_0[5] >= -461168.6018427382800e+13F && double_Array_0[5] <= -1.0e-20F VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_unsigned_char_Array_0_1_=16, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_long_int_Array_0={9:0}] [L90] EXPR double_Array_0[5] >= -461168.6018427382800e+13F && double_Array_0[5] <= -1.0e-20F [L90] EXPR double_Array_0[5] [L90] EXPR double_Array_0[5] >= -461168.6018427382800e+13F && double_Array_0[5] <= -1.0e-20F VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_unsigned_char_Array_0_1_=16, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_long_int_Array_0={9:0}] [L90] EXPR (double_Array_0[5] >= -461168.6018427382800e+13F && double_Array_0[5] <= -1.0e-20F) || (double_Array_0[5] <= 4611686.018427382800e+12F && double_Array_0[5] >= 1.0e-20F ) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_unsigned_char_Array_0_1_=16, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_long_int_Array_0={9:0}] [L90] EXPR (double_Array_0[5] >= -461168.6018427382800e+13F && double_Array_0[5] <= -1.0e-20F) || (double_Array_0[5] <= 4611686.018427382800e+12F && double_Array_0[5] >= 1.0e-20F ) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_unsigned_char_Array_0_1_=16, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_long_int_Array_0={9:0}] [L90] CALL assume_abort_if_not((double_Array_0[5] >= -461168.6018427382800e+13F && double_Array_0[5] <= -1.0e-20F) || (double_Array_0[5] <= 4611686.018427382800e+12F && double_Array_0[5] >= 1.0e-20F )) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_unsigned_char_Array_0_1_=16, 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 [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_unsigned_char_Array_0_1_=16, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_long_int_Array_0={9:0}] [L90] RET assume_abort_if_not((double_Array_0[5] >= -461168.6018427382800e+13F && double_Array_0[5] <= -1.0e-20F) || (double_Array_0[5] <= 4611686.018427382800e+12F && double_Array_0[5] >= 1.0e-20F )) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_unsigned_char_Array_0_1_=16, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_long_int_Array_0={9:0}] [L91] signed_short_int_Array_0[0] = __VERIFIER_nondet_short() [L92] EXPR signed_short_int_Array_0[0] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_unsigned_char_Array_0_1_=16, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_long_int_Array_0={9:0}] [L92] CALL assume_abort_if_not(signed_short_int_Array_0[0] >= 0) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_unsigned_char_Array_0_1_=16, 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 [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_unsigned_char_Array_0_1_=16, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_long_int_Array_0={9:0}] [L92] RET assume_abort_if_not(signed_short_int_Array_0[0] >= 0) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_unsigned_char_Array_0_1_=16, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_long_int_Array_0={9:0}] [L93] EXPR signed_short_int_Array_0[0] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_unsigned_char_Array_0_1_=16, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_long_int_Array_0={9:0}] [L93] CALL assume_abort_if_not(signed_short_int_Array_0[0] <= 16383) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_unsigned_char_Array_0_1_=16, 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 [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_unsigned_char_Array_0_1_=16, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_long_int_Array_0={9:0}] [L93] RET assume_abort_if_not(signed_short_int_Array_0[0] <= 16383) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_unsigned_char_Array_0_1_=16, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_long_int_Array_0={9:0}] [L94] signed_short_int_Array_0[1] = __VERIFIER_nondet_short() [L95] EXPR signed_short_int_Array_0[1] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_unsigned_char_Array_0_1_=16, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_long_int_Array_0={9:0}] [L95] CALL assume_abort_if_not(signed_short_int_Array_0[1] >= 0) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_unsigned_char_Array_0_1_=16, 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 [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_unsigned_char_Array_0_1_=16, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_long_int_Array_0={9:0}] [L95] RET assume_abort_if_not(signed_short_int_Array_0[1] >= 0) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_unsigned_char_Array_0_1_=16, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_long_int_Array_0={9:0}] [L96] EXPR signed_short_int_Array_0[1] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_unsigned_char_Array_0_1_=16, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_long_int_Array_0={9:0}] [L96] CALL assume_abort_if_not(signed_short_int_Array_0[1] <= 32766) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_unsigned_char_Array_0_1_=16, 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 [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_unsigned_char_Array_0_1_=16, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_long_int_Array_0={9:0}] [L96] RET assume_abort_if_not(signed_short_int_Array_0[1] <= 32766) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_unsigned_char_Array_0_1_=16, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_long_int_Array_0={9:0}] [L97] unsigned_char_Array_0[0] = __VERIFIER_nondet_uchar() [L98] EXPR unsigned_char_Array_0[0] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_unsigned_char_Array_0_1_=16, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_long_int_Array_0={9:0}] [L98] CALL assume_abort_if_not(unsigned_char_Array_0[0] >= 0) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_unsigned_char_Array_0_1_=16, 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 [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_unsigned_char_Array_0_1_=16, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_long_int_Array_0={9:0}] [L98] RET assume_abort_if_not(unsigned_char_Array_0[0] >= 0) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_unsigned_char_Array_0_1_=16, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_long_int_Array_0={9:0}] [L99] EXPR unsigned_char_Array_0[0] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_unsigned_char_Array_0_1_=16, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_long_int_Array_0={9:0}] [L99] CALL assume_abort_if_not(unsigned_char_Array_0[0] <= 254) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_unsigned_char_Array_0_1_=16, 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 [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_unsigned_char_Array_0_1_=16, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_long_int_Array_0={9:0}] [L99] RET assume_abort_if_not(unsigned_char_Array_0[0] <= 254) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_unsigned_char_Array_0_1_=16, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_long_int_Array_0={9:0}] [L113] RET updateVariables() [L114] CALL step() [L44] unsigned_long_int_Array_0[0] = last_1_unsigned_char_Array_0_1_ [L45] EXPR unsigned_long_int_Array_0[0] [L45] unsigned long int stepLocal_1 = unsigned_long_int_Array_0[0]; [L46] EXPR signed_short_int_Array_0[0] [L46] signed short int stepLocal_0 = signed_short_int_Array_0[0]; [L47] EXPR signed_short_int_Array_0[1] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_unsigned_char_Array_0_1_=16, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_long_int_Array_0={9:0}] [L47] COND FALSE !(stepLocal_0 >= signed_short_int_Array_0[1]) [L54] BOOL_unsigned_char_Array_0[1] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_unsigned_char_Array_0_1_=16, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_long_int_Array_0={9:0}] [L54] COND FALSE !(BOOL_unsigned_char_Array_0[1]) [L57] EXPR double_Array_0[1] [L57] EXPR double_Array_0[0] [L57] EXPR double_Array_0[5] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_unsigned_char_Array_0_1_=16, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_long_int_Array_0={9:0}] [L57] COND FALSE !((- (double_Array_0[1] - double_Array_0[0])) <= double_Array_0[5]) [L60] BOOL_unsigned_char_Array_0[1] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_unsigned_char_Array_0_1_=16, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_long_int_Array_0={9:0}] [L60] COND FALSE !(BOOL_unsigned_char_Array_0[1]) [L65] EXPR unsigned_char_Array_0[1] [L65] signed_short_int_Array_0[2] = unsigned_char_Array_0[1] [L68] EXPR double_Array_0[1] [L68] EXPR double_Array_0[0] [L68] EXPR double_Array_0[2] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_unsigned_char_Array_0_1_=16, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_long_int_Array_0={9:0}] [L68] COND FALSE !(double_Array_0[1] < (double_Array_0[0] - double_Array_0[2])) [L114] RET step() [L115] CALL, EXPR property() [L105] EXPR BOOL_unsigned_char_Array_0[1] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_unsigned_char_Array_0_1_=16, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_long_int_Array_0={9:0}] [L105] EXPR BOOL_unsigned_char_Array_0[1] ? (double_Array_0[6] == ((double) (double_Array_0[5] + ((((double_Array_0[4]) < ((49.5 + double_Array_0[3]))) ? (double_Array_0[4]) : ((49.5 + double_Array_0[3]))))))) : 1 [L105] EXPR BOOL_unsigned_char_Array_0[1] ? (double_Array_0[6] == ((double) (double_Array_0[5] + ((((double_Array_0[4]) < ((49.5 + double_Array_0[3]))) ? (double_Array_0[4]) : ((49.5 + double_Array_0[3]))))))) : 1 VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_unsigned_char_Array_0_1_=16, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_long_int_Array_0={9:0}] [L105] EXPR (BOOL_unsigned_char_Array_0[1] ? (double_Array_0[6] == ((double) (double_Array_0[5] + ((((double_Array_0[4]) < ((49.5 + double_Array_0[3]))) ? (double_Array_0[4]) : ((49.5 + double_Array_0[3]))))))) : 1) && (((- (double_Array_0[1] - double_Array_0[0])) <= double_Array_0[5]) ? (signed_short_int_Array_0[2] == ((signed short int) ((8 + unsigned_char_Array_0[1]) - unsigned_char_Array_0[1]))) : (BOOL_unsigned_char_Array_0[1] ? (BOOL_unsigned_char_Array_0[0] ? (signed_short_int_Array_0[2] == ((signed short int) unsigned_char_Array_0[1])) : 1) : (signed_short_int_Array_0[2] == ((signed short int) unsigned_char_Array_0[1])))) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_unsigned_char_Array_0_1_=16, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_long_int_Array_0={9:0}] [L105] EXPR (BOOL_unsigned_char_Array_0[1] ? (double_Array_0[6] == ((double) (double_Array_0[5] + ((((double_Array_0[4]) < ((49.5 + double_Array_0[3]))) ? (double_Array_0[4]) : ((49.5 + double_Array_0[3]))))))) : 1) && (((- (double_Array_0[1] - double_Array_0[0])) <= double_Array_0[5]) ? (signed_short_int_Array_0[2] == ((signed short int) ((8 + unsigned_char_Array_0[1]) - unsigned_char_Array_0[1]))) : (BOOL_unsigned_char_Array_0[1] ? (BOOL_unsigned_char_Array_0[0] ? (signed_short_int_Array_0[2] == ((signed short int) unsigned_char_Array_0[1])) : 1) : (signed_short_int_Array_0[2] == ((signed short int) unsigned_char_Array_0[1])))) [L105] EXPR double_Array_0[1] [L105] EXPR double_Array_0[0] [L105] EXPR double_Array_0[5] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_unsigned_char_Array_0_1_=16, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_long_int_Array_0={9:0}] [L105] EXPR ((- (double_Array_0[1] - double_Array_0[0])) <= double_Array_0[5]) ? (signed_short_int_Array_0[2] == ((signed short int) ((8 + unsigned_char_Array_0[1]) - unsigned_char_Array_0[1]))) : (BOOL_unsigned_char_Array_0[1] ? (BOOL_unsigned_char_Array_0[0] ? (signed_short_int_Array_0[2] == ((signed short int) unsigned_char_Array_0[1])) : 1) : (signed_short_int_Array_0[2] == ((signed short int) unsigned_char_Array_0[1]))) [L105] EXPR signed_short_int_Array_0[2] [L105] EXPR unsigned_char_Array_0[1] [L105] EXPR unsigned_char_Array_0[1] [L105] EXPR ((- (double_Array_0[1] - double_Array_0[0])) <= double_Array_0[5]) ? (signed_short_int_Array_0[2] == ((signed short int) ((8 + unsigned_char_Array_0[1]) - unsigned_char_Array_0[1]))) : (BOOL_unsigned_char_Array_0[1] ? (BOOL_unsigned_char_Array_0[0] ? (signed_short_int_Array_0[2] == ((signed short int) unsigned_char_Array_0[1])) : 1) : (signed_short_int_Array_0[2] == ((signed short int) unsigned_char_Array_0[1]))) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_unsigned_char_Array_0_1_=16, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_long_int_Array_0={9:0}] [L105] EXPR (BOOL_unsigned_char_Array_0[1] ? (double_Array_0[6] == ((double) (double_Array_0[5] + ((((double_Array_0[4]) < ((49.5 + double_Array_0[3]))) ? (double_Array_0[4]) : ((49.5 + double_Array_0[3]))))))) : 1) && (((- (double_Array_0[1] - double_Array_0[0])) <= double_Array_0[5]) ? (signed_short_int_Array_0[2] == ((signed short int) ((8 + unsigned_char_Array_0[1]) - unsigned_char_Array_0[1]))) : (BOOL_unsigned_char_Array_0[1] ? (BOOL_unsigned_char_Array_0[0] ? (signed_short_int_Array_0[2] == ((signed short int) unsigned_char_Array_0[1])) : 1) : (signed_short_int_Array_0[2] == ((signed short int) unsigned_char_Array_0[1])))) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_unsigned_char_Array_0_1_=16, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_long_int_Array_0={9:0}] [L105] EXPR ((BOOL_unsigned_char_Array_0[1] ? (double_Array_0[6] == ((double) (double_Array_0[5] + ((((double_Array_0[4]) < ((49.5 + double_Array_0[3]))) ? (double_Array_0[4]) : ((49.5 + double_Array_0[3]))))))) : 1) && (((- (double_Array_0[1] - double_Array_0[0])) <= double_Array_0[5]) ? (signed_short_int_Array_0[2] == ((signed short int) ((8 + unsigned_char_Array_0[1]) - unsigned_char_Array_0[1]))) : (BOOL_unsigned_char_Array_0[1] ? (BOOL_unsigned_char_Array_0[0] ? (signed_short_int_Array_0[2] == ((signed short int) unsigned_char_Array_0[1])) : 1) : (signed_short_int_Array_0[2] == ((signed short int) unsigned_char_Array_0[1]))))) && (unsigned_long_int_Array_0[0] == ((unsigned long int) last_1_unsigned_char_Array_0_1_)) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_unsigned_char_Array_0_1_=16, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_long_int_Array_0={9:0}] [L105] EXPR ((BOOL_unsigned_char_Array_0[1] ? (double_Array_0[6] == ((double) (double_Array_0[5] + ((((double_Array_0[4]) < ((49.5 + double_Array_0[3]))) ? (double_Array_0[4]) : ((49.5 + double_Array_0[3]))))))) : 1) && (((- (double_Array_0[1] - double_Array_0[0])) <= double_Array_0[5]) ? (signed_short_int_Array_0[2] == ((signed short int) ((8 + unsigned_char_Array_0[1]) - unsigned_char_Array_0[1]))) : (BOOL_unsigned_char_Array_0[1] ? (BOOL_unsigned_char_Array_0[0] ? (signed_short_int_Array_0[2] == ((signed short int) unsigned_char_Array_0[1])) : 1) : (signed_short_int_Array_0[2] == ((signed short int) unsigned_char_Array_0[1]))))) && (unsigned_long_int_Array_0[0] == ((unsigned long int) last_1_unsigned_char_Array_0_1_)) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_unsigned_char_Array_0_1_=16, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_long_int_Array_0={9:0}] [L105] EXPR (((BOOL_unsigned_char_Array_0[1] ? (double_Array_0[6] == ((double) (double_Array_0[5] + ((((double_Array_0[4]) < ((49.5 + double_Array_0[3]))) ? (double_Array_0[4]) : ((49.5 + double_Array_0[3]))))))) : 1) && (((- (double_Array_0[1] - double_Array_0[0])) <= double_Array_0[5]) ? (signed_short_int_Array_0[2] == ((signed short int) ((8 + unsigned_char_Array_0[1]) - unsigned_char_Array_0[1]))) : (BOOL_unsigned_char_Array_0[1] ? (BOOL_unsigned_char_Array_0[0] ? (signed_short_int_Array_0[2] == ((signed short int) unsigned_char_Array_0[1])) : 1) : (signed_short_int_Array_0[2] == ((signed short int) unsigned_char_Array_0[1]))))) && (unsigned_long_int_Array_0[0] == ((unsigned long int) last_1_unsigned_char_Array_0_1_))) && ((double_Array_0[1] < (double_Array_0[0] - double_Array_0[2])) ? (float_Array_0[0] == ((float) ((((double_Array_0[4]) > (((((((((127.4f) > (double_Array_0[3])) ? (127.4f) : (double_Array_0[3])))) > (double_Array_0[5])) ? (((((127.4f) > (double_Array_0[3])) ? (127.4f) : (double_Array_0[3])))) : (double_Array_0[5]))))) ? (double_Array_0[4]) : (((((((((127.4f) > (double_Array_0[3])) ? (127.4f) : (double_Array_0[3])))) > (double_Array_0[5])) ? (((((127.4f) > (double_Array_0[3])) ? (127.4f) : (double_Array_0[3])))) : (double_Array_0[5])))))))) : 1) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_unsigned_char_Array_0_1_=16, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_long_int_Array_0={9:0}] [L105] EXPR (((BOOL_unsigned_char_Array_0[1] ? (double_Array_0[6] == ((double) (double_Array_0[5] + ((((double_Array_0[4]) < ((49.5 + double_Array_0[3]))) ? (double_Array_0[4]) : ((49.5 + double_Array_0[3]))))))) : 1) && (((- (double_Array_0[1] - double_Array_0[0])) <= double_Array_0[5]) ? (signed_short_int_Array_0[2] == ((signed short int) ((8 + unsigned_char_Array_0[1]) - unsigned_char_Array_0[1]))) : (BOOL_unsigned_char_Array_0[1] ? (BOOL_unsigned_char_Array_0[0] ? (signed_short_int_Array_0[2] == ((signed short int) unsigned_char_Array_0[1])) : 1) : (signed_short_int_Array_0[2] == ((signed short int) unsigned_char_Array_0[1]))))) && (unsigned_long_int_Array_0[0] == ((unsigned long int) last_1_unsigned_char_Array_0_1_))) && ((double_Array_0[1] < (double_Array_0[0] - double_Array_0[2])) ? (float_Array_0[0] == ((float) ((((double_Array_0[4]) > (((((((((127.4f) > (double_Array_0[3])) ? (127.4f) : (double_Array_0[3])))) > (double_Array_0[5])) ? (((((127.4f) > (double_Array_0[3])) ? (127.4f) : (double_Array_0[3])))) : (double_Array_0[5]))))) ? (double_Array_0[4]) : (((((((((127.4f) > (double_Array_0[3])) ? (127.4f) : (double_Array_0[3])))) > (double_Array_0[5])) ? (((((127.4f) > (double_Array_0[3])) ? (127.4f) : (double_Array_0[3])))) : (double_Array_0[5])))))))) : 1) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_unsigned_char_Array_0_1_=16, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_long_int_Array_0={9:0}] [L105] EXPR ((((BOOL_unsigned_char_Array_0[1] ? (double_Array_0[6] == ((double) (double_Array_0[5] + ((((double_Array_0[4]) < ((49.5 + double_Array_0[3]))) ? (double_Array_0[4]) : ((49.5 + double_Array_0[3]))))))) : 1) && (((- (double_Array_0[1] - double_Array_0[0])) <= double_Array_0[5]) ? (signed_short_int_Array_0[2] == ((signed short int) ((8 + unsigned_char_Array_0[1]) - unsigned_char_Array_0[1]))) : (BOOL_unsigned_char_Array_0[1] ? (BOOL_unsigned_char_Array_0[0] ? (signed_short_int_Array_0[2] == ((signed short int) unsigned_char_Array_0[1])) : 1) : (signed_short_int_Array_0[2] == ((signed short int) unsigned_char_Array_0[1]))))) && (unsigned_long_int_Array_0[0] == ((unsigned long int) last_1_unsigned_char_Array_0_1_))) && ((double_Array_0[1] < (double_Array_0[0] - double_Array_0[2])) ? (float_Array_0[0] == ((float) ((((double_Array_0[4]) > (((((((((127.4f) > (double_Array_0[3])) ? (127.4f) : (double_Array_0[3])))) > (double_Array_0[5])) ? (((((127.4f) > (double_Array_0[3])) ? (127.4f) : (double_Array_0[3])))) : (double_Array_0[5]))))) ? (double_Array_0[4]) : (((((((((127.4f) > (double_Array_0[3])) ? (127.4f) : (double_Array_0[3])))) > (double_Array_0[5])) ? (((((127.4f) > (double_Array_0[3])) ? (127.4f) : (double_Array_0[3])))) : (double_Array_0[5])))))))) : 1)) && ((signed_short_int_Array_0[0] >= signed_short_int_Array_0[1]) ? (((signed_short_int_Array_0[0] + last_1_unsigned_char_Array_0_1_) >= unsigned_long_int_Array_0[0]) ? (unsigned_char_Array_0[1] == ((unsigned char) unsigned_char_Array_0[0])) : (unsigned_char_Array_0[1] == ((unsigned char) unsigned_char_Array_0[0]))) : 1) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_unsigned_char_Array_0_1_=16, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_long_int_Array_0={9:0}] [L105] EXPR ((((BOOL_unsigned_char_Array_0[1] ? (double_Array_0[6] == ((double) (double_Array_0[5] + ((((double_Array_0[4]) < ((49.5 + double_Array_0[3]))) ? (double_Array_0[4]) : ((49.5 + double_Array_0[3]))))))) : 1) && (((- (double_Array_0[1] - double_Array_0[0])) <= double_Array_0[5]) ? (signed_short_int_Array_0[2] == ((signed short int) ((8 + unsigned_char_Array_0[1]) - unsigned_char_Array_0[1]))) : (BOOL_unsigned_char_Array_0[1] ? (BOOL_unsigned_char_Array_0[0] ? (signed_short_int_Array_0[2] == ((signed short int) unsigned_char_Array_0[1])) : 1) : (signed_short_int_Array_0[2] == ((signed short int) unsigned_char_Array_0[1]))))) && (unsigned_long_int_Array_0[0] == ((unsigned long int) last_1_unsigned_char_Array_0_1_))) && ((double_Array_0[1] < (double_Array_0[0] - double_Array_0[2])) ? (float_Array_0[0] == ((float) ((((double_Array_0[4]) > (((((((((127.4f) > (double_Array_0[3])) ? (127.4f) : (double_Array_0[3])))) > (double_Array_0[5])) ? (((((127.4f) > (double_Array_0[3])) ? (127.4f) : (double_Array_0[3])))) : (double_Array_0[5]))))) ? (double_Array_0[4]) : (((((((((127.4f) > (double_Array_0[3])) ? (127.4f) : (double_Array_0[3])))) > (double_Array_0[5])) ? (((((127.4f) > (double_Array_0[3])) ? (127.4f) : (double_Array_0[3])))) : (double_Array_0[5])))))))) : 1)) && ((signed_short_int_Array_0[0] >= signed_short_int_Array_0[1]) ? (((signed_short_int_Array_0[0] + last_1_unsigned_char_Array_0_1_) >= unsigned_long_int_Array_0[0]) ? (unsigned_char_Array_0[1] == ((unsigned char) unsigned_char_Array_0[0])) : (unsigned_char_Array_0[1] == ((unsigned char) unsigned_char_Array_0[0]))) : 1) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_unsigned_char_Array_0_1_=16, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_long_int_Array_0={9:0}] [L105-L106] return ((((BOOL_unsigned_char_Array_0[1] ? (double_Array_0[6] == ((double) (double_Array_0[5] + ((((double_Array_0[4]) < ((49.5 + double_Array_0[3]))) ? (double_Array_0[4]) : ((49.5 + double_Array_0[3]))))))) : 1) && (((- (double_Array_0[1] - double_Array_0[0])) <= double_Array_0[5]) ? (signed_short_int_Array_0[2] == ((signed short int) ((8 + unsigned_char_Array_0[1]) - unsigned_char_Array_0[1]))) : (BOOL_unsigned_char_Array_0[1] ? (BOOL_unsigned_char_Array_0[0] ? (signed_short_int_Array_0[2] == ((signed short int) unsigned_char_Array_0[1])) : 1) : (signed_short_int_Array_0[2] == ((signed short int) unsigned_char_Array_0[1]))))) && (unsigned_long_int_Array_0[0] == ((unsigned long int) last_1_unsigned_char_Array_0_1_))) && ((double_Array_0[1] < (double_Array_0[0] - double_Array_0[2])) ? (float_Array_0[0] == ((float) ((((double_Array_0[4]) > (((((((((127.4f) > (double_Array_0[3])) ? (127.4f) : (double_Array_0[3])))) > (double_Array_0[5])) ? (((((127.4f) > (double_Array_0[3])) ? (127.4f) : (double_Array_0[3])))) : (double_Array_0[5]))))) ? (double_Array_0[4]) : (((((((((127.4f) > (double_Array_0[3])) ? (127.4f) : (double_Array_0[3])))) > (double_Array_0[5])) ? (((((127.4f) > (double_Array_0[3])) ? (127.4f) : (double_Array_0[3])))) : (double_Array_0[5])))))))) : 1)) && ((signed_short_int_Array_0[0] >= signed_short_int_Array_0[1]) ? (((signed_short_int_Array_0[0] + last_1_unsigned_char_Array_0_1_) >= unsigned_long_int_Array_0[0]) ? (unsigned_char_Array_0[1] == ((unsigned char) unsigned_char_Array_0[0])) : (unsigned_char_Array_0[1] == ((unsigned char) unsigned_char_Array_0[0]))) : 1) ; [L115] RET, EXPR property() [L115] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_unsigned_char_Array_0_1_=16, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_long_int_Array_0={9:0}] [L19] reach_error() VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_unsigned_char_Array_0_1_=16, 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, 144 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 11.7s, OverallIterations: 9, TraceHistogramMax: 16, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.1s, AutomataDifference: 1.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 719 SdHoareTripleChecker+Valid, 0.9s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 718 mSDsluCounter, 6722 SdHoareTripleChecker+Invalid, 0.7s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 4884 mSDsCounter, 8 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 487 IncrementalHoareTripleChecker+Invalid, 495 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 8 mSolverCounterUnsat, 1838 mSDtfsCounter, 487 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 475 GetRequests, 437 SyntacticMatches, 0 SemanticMatches, 38 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=645occurred in iteration=7, InterpolantAutomatonStates: 38, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 8 MinimizatonAttempts, 443 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.5s SsaConstructionTime, 1.1s SatisfiabilityAnalysisTime, 6.2s InterpolantComputationTime, 1704 NumberOfCodeBlocks, 1704 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 1549 ConstructedInterpolants, 0 QuantifiedInterpolants, 2439 SizeOfPredicates, 0 NumberOfNonLiveVariables, 1435 ConjunctsInSsa, 7 ConjunctsInUnsatCore, 11 InterpolantComputations, 8 PerfectInterpolantSequences, 5160/5280 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, ConComCheckerStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-28 04:33:22,991 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06046609-e80e-4c9b-a061-7ea03819ea51/bin/uautomizer-verify-aQ6SnzHsRB/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/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06046609-e80e-4c9b-a061-7ea03819ea51/bin/uautomizer-verify-aQ6SnzHsRB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06046609-e80e-4c9b-a061-7ea03819ea51/bin/uautomizer-verify-aQ6SnzHsRB/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06046609-e80e-4c9b-a061-7ea03819ea51/bin/uautomizer-verify-aQ6SnzHsRB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06046609-e80e-4c9b-a061-7ea03819ea51/bin/uautomizer-verify-aQ6SnzHsRB/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-17.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06046609-e80e-4c9b-a061-7ea03819ea51/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06046609-e80e-4c9b-a061-7ea03819ea51/bin/uautomizer-verify-aQ6SnzHsRB --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 cf9505dc2ef67c73c85afca644466d8e73c9d84bcc3bdb502bf9c06807a1f2ea --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-28 04:33:26,291 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-28 04:33:26,448 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06046609-e80e-4c9b-a061-7ea03819ea51/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2024-11-28 04:33:26,459 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-28 04:33:26,459 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-28 04:33:26,534 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-28 04:33:26,535 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-28 04:33:26,535 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-28 04:33:26,536 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-28 04:33:26,536 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-28 04:33:26,537 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-28 04:33:26,538 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-28 04:33:26,539 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-28 04:33:26,539 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-28 04:33:26,539 INFO L153 SettingsManager]: * Use SBE=true [2024-11-28 04:33:26,539 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-28 04:33:26,539 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-28 04:33:26,540 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-28 04:33:26,540 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-28 04:33:26,541 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-28 04:33:26,541 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-28 04:33:26,541 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-28 04:33:26,542 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-28 04:33:26,542 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-28 04:33:26,542 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-28 04:33:26,542 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-28 04:33:26,542 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-28 04:33:26,542 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-28 04:33:26,543 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-28 04:33:26,543 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-28 04:33:26,543 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-28 04:33:26,543 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 04:33:26,543 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-28 04:33:26,543 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 04:33:26,543 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 04:33:26,543 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-28 04:33:26,543 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 04:33:26,544 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-28 04:33:26,544 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 04:33:26,544 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 04:33:26,544 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-28 04:33:26,544 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-28 04:33:26,544 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-28 04:33:26,544 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-28 04:33:26,544 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2024-11-28 04:33:26,544 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-28 04:33:26,545 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-28 04:33:26,545 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-28 04:33:26,545 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-28 04:33:26,545 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-28 04:33:26,545 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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_06046609-e80e-4c9b-a061-7ea03819ea51/bin/uautomizer-verify-aQ6SnzHsRB 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 -> cf9505dc2ef67c73c85afca644466d8e73c9d84bcc3bdb502bf9c06807a1f2ea [2024-11-28 04:33:26,936 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-28 04:33:26,945 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-28 04:33:26,948 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-28 04:33:26,949 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-28 04:33:26,950 INFO L274 PluginConnector]: CDTParser initialized [2024-11-28 04:33:26,951 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06046609-e80e-4c9b-a061-7ea03819ea51/bin/uautomizer-verify-aQ6SnzHsRB/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-17.i [2024-11-28 04:33:30,177 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06046609-e80e-4c9b-a061-7ea03819ea51/bin/uautomizer-verify-aQ6SnzHsRB/data/37bef9948/21708505944c4b08a0235a280661651a/FLAG45797b6e0 [2024-11-28 04:33:30,480 INFO L384 CDTParser]: Found 1 translation units. [2024-11-28 04:33:30,481 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06046609-e80e-4c9b-a061-7ea03819ea51/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-17.i [2024-11-28 04:33:30,495 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06046609-e80e-4c9b-a061-7ea03819ea51/bin/uautomizer-verify-aQ6SnzHsRB/data/37bef9948/21708505944c4b08a0235a280661651a/FLAG45797b6e0 [2024-11-28 04:33:30,511 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06046609-e80e-4c9b-a061-7ea03819ea51/bin/uautomizer-verify-aQ6SnzHsRB/data/37bef9948/21708505944c4b08a0235a280661651a [2024-11-28 04:33:30,514 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-28 04:33:30,515 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-28 04:33:30,517 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-28 04:33:30,517 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-28 04:33:30,521 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-28 04:33:30,522 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 04:33:30" (1/1) ... [2024-11-28 04:33:30,523 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2f4068a8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:33:30, skipping insertion in model container [2024-11-28 04:33:30,523 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 04:33:30" (1/1) ... [2024-11-28 04:33:30,546 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-28 04:33:30,771 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_06046609-e80e-4c9b-a061-7ea03819ea51/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-17.i[916,929] [2024-11-28 04:33:30,922 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 04:33:30,950 INFO L200 MainTranslator]: Completed pre-run [2024-11-28 04:33:30,965 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_06046609-e80e-4c9b-a061-7ea03819ea51/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-17.i[916,929] [2024-11-28 04:33:31,082 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 04:33:31,126 INFO L204 MainTranslator]: Completed translation [2024-11-28 04:33:31,127 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:33:31 WrapperNode [2024-11-28 04:33:31,127 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-28 04:33:31,129 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-28 04:33:31,130 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-28 04:33:31,130 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-28 04:33:31,139 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:33:31" (1/1) ... [2024-11-28 04:33:31,174 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:33:31" (1/1) ... [2024-11-28 04:33:31,234 INFO L138 Inliner]: procedures = 39, calls = 189, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 623 [2024-11-28 04:33:31,234 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-28 04:33:31,235 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-28 04:33:31,235 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-28 04:33:31,235 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-28 04:33:31,253 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:33:31" (1/1) ... [2024-11-28 04:33:31,253 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:33:31" (1/1) ... [2024-11-28 04:33:31,265 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:33:31" (1/1) ... [2024-11-28 04:33:31,305 INFO L175 MemorySlicer]: Split 156 memory accesses to 7 slices as follows [2, 14, 89, 3, 21, 22, 5]. 57 percent of accesses are in the largest equivalence class. The 18 initializations are split as follows [2, 2, 7, 1, 3, 2, 1]. The 19 writes are split as follows [0, 2, 7, 1, 5, 3, 1]. [2024-11-28 04:33:31,306 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:33:31" (1/1) ... [2024-11-28 04:33:31,306 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:33:31" (1/1) ... [2024-11-28 04:33:31,339 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:33:31" (1/1) ... [2024-11-28 04:33:31,341 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:33:31" (1/1) ... [2024-11-28 04:33:31,346 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:33:31" (1/1) ... [2024-11-28 04:33:31,351 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:33:31" (1/1) ... [2024-11-28 04:33:31,354 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:33:31" (1/1) ... [2024-11-28 04:33:31,361 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-28 04:33:31,362 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-28 04:33:31,362 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-28 04:33:31,363 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-28 04:33:31,364 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:33:31" (1/1) ... [2024-11-28 04:33:31,372 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 04:33:31,387 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06046609-e80e-4c9b-a061-7ea03819ea51/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 04:33:31,401 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06046609-e80e-4c9b-a061-7ea03819ea51/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-28 04:33:31,404 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06046609-e80e-4c9b-a061-7ea03819ea51/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-28 04:33:31,427 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-28 04:33:31,427 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#0 [2024-11-28 04:33:31,427 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#1 [2024-11-28 04:33:31,428 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#2 [2024-11-28 04:33:31,428 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#3 [2024-11-28 04:33:31,428 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#4 [2024-11-28 04:33:31,428 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#5 [2024-11-28 04:33:31,428 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#6 [2024-11-28 04:33:31,428 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#0 [2024-11-28 04:33:31,428 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#1 [2024-11-28 04:33:31,428 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#2 [2024-11-28 04:33:31,429 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#3 [2024-11-28 04:33:31,429 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#4 [2024-11-28 04:33:31,429 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#5 [2024-11-28 04:33:31,430 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#6 [2024-11-28 04:33:31,430 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#0 [2024-11-28 04:33:31,430 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#1 [2024-11-28 04:33:31,430 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#2 [2024-11-28 04:33:31,430 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#3 [2024-11-28 04:33:31,430 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#4 [2024-11-28 04:33:31,431 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#5 [2024-11-28 04:33:31,431 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#6 [2024-11-28 04:33:31,431 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#0 [2024-11-28 04:33:31,431 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#1 [2024-11-28 04:33:31,431 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#2 [2024-11-28 04:33:31,431 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#3 [2024-11-28 04:33:31,431 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#4 [2024-11-28 04:33:31,431 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#5 [2024-11-28 04:33:31,432 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#6 [2024-11-28 04:33:31,432 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-28 04:33:31,432 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#1 [2024-11-28 04:33:31,432 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#2 [2024-11-28 04:33:31,432 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#3 [2024-11-28 04:33:31,432 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#4 [2024-11-28 04:33:31,432 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#5 [2024-11-28 04:33:31,432 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#6 [2024-11-28 04:33:31,432 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#0 [2024-11-28 04:33:31,433 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#1 [2024-11-28 04:33:31,433 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#2 [2024-11-28 04:33:31,433 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#3 [2024-11-28 04:33:31,433 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#4 [2024-11-28 04:33:31,433 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#5 [2024-11-28 04:33:31,433 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#6 [2024-11-28 04:33:31,433 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#0 [2024-11-28 04:33:31,433 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#1 [2024-11-28 04:33:31,433 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#2 [2024-11-28 04:33:31,433 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#3 [2024-11-28 04:33:31,433 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#4 [2024-11-28 04:33:31,433 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#5 [2024-11-28 04:33:31,433 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#6 [2024-11-28 04:33:31,433 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#0 [2024-11-28 04:33:31,434 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#1 [2024-11-28 04:33:31,434 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#2 [2024-11-28 04:33:31,434 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#3 [2024-11-28 04:33:31,434 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#4 [2024-11-28 04:33:31,434 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#5 [2024-11-28 04:33:31,434 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#6 [2024-11-28 04:33:31,434 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#0 [2024-11-28 04:33:31,434 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#1 [2024-11-28 04:33:31,435 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#2 [2024-11-28 04:33:31,435 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#3 [2024-11-28 04:33:31,435 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#4 [2024-11-28 04:33:31,435 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#5 [2024-11-28 04:33:31,435 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#6 [2024-11-28 04:33:31,435 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#0 [2024-11-28 04:33:31,435 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#1 [2024-11-28 04:33:31,435 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#2 [2024-11-28 04:33:31,435 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#3 [2024-11-28 04:33:31,435 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#4 [2024-11-28 04:33:31,435 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#5 [2024-11-28 04:33:31,435 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#6 [2024-11-28 04:33:31,435 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#0 [2024-11-28 04:33:31,435 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#1 [2024-11-28 04:33:31,436 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#2 [2024-11-28 04:33:31,436 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#3 [2024-11-28 04:33:31,436 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#4 [2024-11-28 04:33:31,436 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#5 [2024-11-28 04:33:31,436 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#6 [2024-11-28 04:33:31,436 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#0 [2024-11-28 04:33:31,436 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#1 [2024-11-28 04:33:31,436 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#2 [2024-11-28 04:33:31,436 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#3 [2024-11-28 04:33:31,436 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#4 [2024-11-28 04:33:31,436 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#5 [2024-11-28 04:33:31,436 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#6 [2024-11-28 04:33:31,437 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-28 04:33:31,437 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-28 04:33:31,437 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-28 04:33:31,437 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-28 04:33:31,437 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#0 [2024-11-28 04:33:31,437 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#1 [2024-11-28 04:33:31,437 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#2 [2024-11-28 04:33:31,438 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#3 [2024-11-28 04:33:31,438 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#4 [2024-11-28 04:33:31,438 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#5 [2024-11-28 04:33:31,438 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#6 [2024-11-28 04:33:31,438 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#0 [2024-11-28 04:33:31,438 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#1 [2024-11-28 04:33:31,438 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#2 [2024-11-28 04:33:31,438 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#3 [2024-11-28 04:33:31,438 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#4 [2024-11-28 04:33:31,439 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#5 [2024-11-28 04:33:31,439 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#6 [2024-11-28 04:33:31,439 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#0 [2024-11-28 04:33:31,439 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#1 [2024-11-28 04:33:31,439 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#2 [2024-11-28 04:33:31,439 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#3 [2024-11-28 04:33:31,439 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#4 [2024-11-28 04:33:31,439 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#5 [2024-11-28 04:33:31,440 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#6 [2024-11-28 04:33:31,660 INFO L234 CfgBuilder]: Building ICFG [2024-11-28 04:33:31,662 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-28 04:33:36,692 INFO L? ?]: Removed 182 outVars from TransFormulas that were not future-live. [2024-11-28 04:33:36,693 INFO L283 CfgBuilder]: Performing block encoding [2024-11-28 04:33:36,705 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-28 04:33:36,706 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-28 04:33:36,706 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:33:36 BoogieIcfgContainer [2024-11-28 04:33:36,706 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-28 04:33:36,708 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-28 04:33:36,709 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-28 04:33:36,714 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-28 04:33:36,714 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 04:33:30" (1/3) ... [2024-11-28 04:33:36,715 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2b24c39e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 04:33:36, skipping insertion in model container [2024-11-28 04:33:36,715 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:33:31" (2/3) ... [2024-11-28 04:33:36,716 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2b24c39e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 04:33:36, skipping insertion in model container [2024-11-28 04:33:36,716 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:33:36" (3/3) ... [2024-11-28 04:33:36,717 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_wrapper-a_file-17.i [2024-11-28 04:33:36,734 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-28 04:33:36,736 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_variablewrapping_wrapper-a_file-17.i that has 2 procedures, 144 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-11-28 04:33:36,816 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-28 04:33:36,831 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;@3bbb1524, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-28 04:33:36,831 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-28 04:33:36,836 INFO L276 IsEmpty]: Start isEmpty. Operand has 144 states, 125 states have (on average 1.456) internal successors, (182), 126 states have internal predecessors, (182), 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) [2024-11-28 04:33:36,854 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2024-11-28 04:33:36,856 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:33:36,857 INFO L218 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, 1] [2024-11-28 04:33:36,857 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 04:33:36,867 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:33:36,870 INFO L85 PathProgramCache]: Analyzing trace with hash 1809069754, now seen corresponding path program 1 times [2024-11-28 04:33:36,889 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 04:33:36,890 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [830792150] [2024-11-28 04:33:36,890 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:33:36,891 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 [2024-11-28 04:33:36,892 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06046609-e80e-4c9b-a061-7ea03819ea51/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-28 04:33:36,894 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06046609-e80e-4c9b-a061-7ea03819ea51/bin/uautomizer-verify-aQ6SnzHsRB/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) [2024-11-28 04:33:36,898 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06046609-e80e-4c9b-a061-7ea03819ea51/bin/uautomizer-verify-aQ6SnzHsRB/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 [2024-11-28 04:33:37,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:33:37,616 INFO L256 TraceCheckSpWp]: Trace formula consists of 320 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-28 04:33:37,627 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 04:33:37,689 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 254 proven. 0 refuted. 0 times theorem prover too weak. 226 trivial. 0 not checked. [2024-11-28 04:33:37,689 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 04:33:37,690 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 04:33:37,693 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [830792150] [2024-11-28 04:33:37,693 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [830792150] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:33:37,693 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:33:37,694 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 04:33:37,695 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1935311160] [2024-11-28 04:33:37,696 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:33:37,703 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-28 04:33:37,704 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-28 04:33:37,732 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-28 04:33:37,733 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-28 04:33:37,736 INFO L87 Difference]: Start difference. First operand has 144 states, 125 states have (on average 1.456) internal successors, (182), 126 states have internal predecessors, (182), 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 34.0) internal successors, (68), 2 states have internal predecessors, (68), 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) [2024-11-28 04:33:37,779 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:33:37,780 INFO L93 Difference]: Finished difference Result 281 states and 438 transitions. [2024-11-28 04:33:37,780 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-28 04:33:37,782 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 34.0) internal successors, (68), 2 states have internal predecessors, (68), 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 141 [2024-11-28 04:33:37,782 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:33:37,789 INFO L225 Difference]: With dead ends: 281 [2024-11-28 04:33:37,789 INFO L226 Difference]: Without dead ends: 140 [2024-11-28 04:33:37,793 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 140 GetRequests, 140 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-28 04:33:37,796 INFO L435 NwaCegarLoop]: 207 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, 207 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 [2024-11-28 04:33:37,797 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 207 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-28 04:33:37,812 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 140 states. [2024-11-28 04:33:37,854 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 140 to 140. [2024-11-28 04:33:37,855 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 140 states, 122 states have (on average 1.4344262295081966) internal successors, (175), 122 states have internal predecessors, (175), 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) [2024-11-28 04:33:37,866 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 140 states and 207 transitions. [2024-11-28 04:33:37,867 INFO L78 Accepts]: Start accepts. Automaton has 140 states and 207 transitions. Word has length 141 [2024-11-28 04:33:37,868 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:33:37,868 INFO L471 AbstractCegarLoop]: Abstraction has 140 states and 207 transitions. [2024-11-28 04:33:37,868 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 34.0) internal successors, (68), 2 states have internal predecessors, (68), 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) [2024-11-28 04:33:37,869 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 207 transitions. [2024-11-28 04:33:37,872 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2024-11-28 04:33:37,873 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:33:37,873 INFO L218 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, 1] [2024-11-28 04:33:37,883 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06046609-e80e-4c9b-a061-7ea03819ea51/bin/uautomizer-verify-aQ6SnzHsRB/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 [2024-11-28 04:33:38,074 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06046609-e80e-4c9b-a061-7ea03819ea51/bin/uautomizer-verify-aQ6SnzHsRB/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 [2024-11-28 04:33:38,074 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 04:33:38,075 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:33:38,075 INFO L85 PathProgramCache]: Analyzing trace with hash 676775910, now seen corresponding path program 1 times [2024-11-28 04:33:38,076 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 04:33:38,077 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1157278619] [2024-11-28 04:33:38,077 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:33:38,077 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 [2024-11-28 04:33:38,077 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06046609-e80e-4c9b-a061-7ea03819ea51/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-28 04:33:38,080 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06046609-e80e-4c9b-a061-7ea03819ea51/bin/uautomizer-verify-aQ6SnzHsRB/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) [2024-11-28 04:33:38,083 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06046609-e80e-4c9b-a061-7ea03819ea51/bin/uautomizer-verify-aQ6SnzHsRB/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 [2024-11-28 04:33:38,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:33:38,785 INFO L256 TraceCheckSpWp]: Trace formula consists of 320 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-28 04:33:38,793 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 04:33:38,916 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 240 proven. 0 refuted. 0 times theorem prover too weak. 240 trivial. 0 not checked. [2024-11-28 04:33:38,917 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 04:33:38,918 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 04:33:38,918 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1157278619] [2024-11-28 04:33:38,918 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1157278619] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:33:38,919 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:33:38,919 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-28 04:33:38,919 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [933163510] [2024-11-28 04:33:38,919 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:33:38,922 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-28 04:33:38,924 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-28 04:33:38,927 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-28 04:33:38,927 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-28 04:33:38,927 INFO L87 Difference]: Start difference. First operand 140 states and 207 transitions. Second operand has 4 states, 4 states have (on average 16.75) internal successors, (67), 4 states have internal predecessors, (67), 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) [2024-11-28 04:33:39,070 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:33:39,070 INFO L93 Difference]: Finished difference Result 279 states and 414 transitions. [2024-11-28 04:33:39,071 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-28 04:33:39,072 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 16.75) internal successors, (67), 4 states have internal predecessors, (67), 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 141 [2024-11-28 04:33:39,072 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:33:39,074 INFO L225 Difference]: With dead ends: 279 [2024-11-28 04:33:39,074 INFO L226 Difference]: Without dead ends: 142 [2024-11-28 04:33:39,076 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 140 GetRequests, 138 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-28 04:33:39,077 INFO L435 NwaCegarLoop]: 205 mSDtfsCounter, 0 mSDsluCounter, 399 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 604 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 [2024-11-28 04:33:39,077 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 604 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-28 04:33:39,078 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 142 states. [2024-11-28 04:33:39,091 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 142 to 142. [2024-11-28 04:33:39,092 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 142 states, 124 states have (on average 1.4274193548387097) internal successors, (177), 124 states have internal predecessors, (177), 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) [2024-11-28 04:33:39,095 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 142 states and 209 transitions. [2024-11-28 04:33:39,095 INFO L78 Accepts]: Start accepts. Automaton has 142 states and 209 transitions. Word has length 141 [2024-11-28 04:33:39,097 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:33:39,097 INFO L471 AbstractCegarLoop]: Abstraction has 142 states and 209 transitions. [2024-11-28 04:33:39,098 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 16.75) internal successors, (67), 4 states have internal predecessors, (67), 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) [2024-11-28 04:33:39,098 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 209 transitions. [2024-11-28 04:33:39,101 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2024-11-28 04:33:39,101 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:33:39,101 INFO L218 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, 1] [2024-11-28 04:33:39,113 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06046609-e80e-4c9b-a061-7ea03819ea51/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2024-11-28 04:33:39,302 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06046609-e80e-4c9b-a061-7ea03819ea51/bin/uautomizer-verify-aQ6SnzHsRB/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 [2024-11-28 04:33:39,302 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 04:33:39,303 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:33:39,303 INFO L85 PathProgramCache]: Analyzing trace with hash -1999216472, now seen corresponding path program 1 times [2024-11-28 04:33:39,304 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 04:33:39,304 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [253800298] [2024-11-28 04:33:39,305 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:33:39,305 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 [2024-11-28 04:33:39,305 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06046609-e80e-4c9b-a061-7ea03819ea51/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-28 04:33:39,308 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06046609-e80e-4c9b-a061-7ea03819ea51/bin/uautomizer-verify-aQ6SnzHsRB/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) [2024-11-28 04:33:39,309 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06046609-e80e-4c9b-a061-7ea03819ea51/bin/uautomizer-verify-aQ6SnzHsRB/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 [2024-11-28 04:33:40,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:33:40,170 INFO L256 TraceCheckSpWp]: Trace formula consists of 322 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-28 04:33:40,180 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 04:33:40,250 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2024-11-28 04:33:40,251 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 04:33:40,251 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 04:33:40,251 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [253800298] [2024-11-28 04:33:40,251 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [253800298] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:33:40,251 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:33:40,252 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-28 04:33:40,252 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1143254230] [2024-11-28 04:33:40,252 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:33:40,253 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-28 04:33:40,253 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-28 04:33:40,254 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-28 04:33:40,254 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-28 04:33:40,254 INFO L87 Difference]: Start difference. First operand 142 states and 209 transitions. Second operand has 4 states, 4 states have (on average 16.0) internal successors, (64), 4 states have internal predecessors, (64), 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) [2024-11-28 04:33:40,477 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:33:40,477 INFO L93 Difference]: Finished difference Result 283 states and 418 transitions. [2024-11-28 04:33:40,478 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-28 04:33:40,478 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 16.0) internal successors, (64), 4 states have internal predecessors, (64), 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 141 [2024-11-28 04:33:40,479 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:33:40,485 INFO L225 Difference]: With dead ends: 283 [2024-11-28 04:33:40,485 INFO L226 Difference]: Without dead ends: 144 [2024-11-28 04:33:40,486 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 140 GetRequests, 138 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-28 04:33:40,487 INFO L435 NwaCegarLoop]: 205 mSDtfsCounter, 0 mSDsluCounter, 399 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 604 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-28 04:33:40,487 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 604 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-28 04:33:40,492 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 144 states. [2024-11-28 04:33:40,505 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 144 to 144. [2024-11-28 04:33:40,506 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 144 states, 126 states have (on average 1.4206349206349207) internal successors, (179), 126 states have internal predecessors, (179), 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) [2024-11-28 04:33:40,508 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 144 states and 211 transitions. [2024-11-28 04:33:40,510 INFO L78 Accepts]: Start accepts. Automaton has 144 states and 211 transitions. Word has length 141 [2024-11-28 04:33:40,511 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:33:40,511 INFO L471 AbstractCegarLoop]: Abstraction has 144 states and 211 transitions. [2024-11-28 04:33:40,511 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 16.0) internal successors, (64), 4 states have internal predecessors, (64), 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) [2024-11-28 04:33:40,511 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 211 transitions. [2024-11-28 04:33:40,518 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2024-11-28 04:33:40,518 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:33:40,518 INFO L218 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, 1, 1, 1] [2024-11-28 04:33:40,537 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06046609-e80e-4c9b-a061-7ea03819ea51/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2024-11-28 04:33:40,719 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06046609-e80e-4c9b-a061-7ea03819ea51/bin/uautomizer-verify-aQ6SnzHsRB/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 [2024-11-28 04:33:40,719 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 04:33:40,720 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:33:40,720 INFO L85 PathProgramCache]: Analyzing trace with hash 551308611, now seen corresponding path program 1 times [2024-11-28 04:33:40,721 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 04:33:40,721 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [333651368] [2024-11-28 04:33:40,721 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:33:40,721 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 [2024-11-28 04:33:40,721 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06046609-e80e-4c9b-a061-7ea03819ea51/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-28 04:33:40,725 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06046609-e80e-4c9b-a061-7ea03819ea51/bin/uautomizer-verify-aQ6SnzHsRB/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) [2024-11-28 04:33:40,727 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06046609-e80e-4c9b-a061-7ea03819ea51/bin/uautomizer-verify-aQ6SnzHsRB/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 [2024-11-28 04:33:41,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:33:41,556 INFO L256 TraceCheckSpWp]: Trace formula consists of 331 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-28 04:33:41,566 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 04:33:41,654 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 [2024-11-28 04:33:42,335 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 12 treesize of output 8 [2024-11-28 04:33:42,684 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2024-11-28 04:33:42,684 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 04:33:42,684 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 04:33:42,685 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [333651368] [2024-11-28 04:33:42,685 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [333651368] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:33:42,685 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:33:42,685 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-28 04:33:42,685 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [707582932] [2024-11-28 04:33:42,685 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:33:42,686 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-28 04:33:42,686 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-28 04:33:42,687 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-28 04:33:42,687 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-11-28 04:33:42,687 INFO L87 Difference]: Start difference. First operand 144 states and 211 transitions. Second operand has 7 states, 7 states have (on average 9.428571428571429) internal successors, (66), 6 states have internal predecessors, (66), 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) [2024-11-28 04:33:44,457 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:33:44,457 INFO L93 Difference]: Finished difference Result 570 states and 838 transitions. [2024-11-28 04:33:44,459 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-28 04:33:44,460 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 9.428571428571429) internal successors, (66), 6 states have internal predecessors, (66), 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 143 [2024-11-28 04:33:44,460 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:33:44,464 INFO L225 Difference]: With dead ends: 570 [2024-11-28 04:33:44,465 INFO L226 Difference]: Without dead ends: 429 [2024-11-28 04:33:44,467 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 148 GetRequests, 137 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=50, Invalid=106, Unknown=0, NotChecked=0, Total=156 [2024-11-28 04:33:44,468 INFO L435 NwaCegarLoop]: 287 mSDtfsCounter, 448 mSDsluCounter, 1111 mSDsCounter, 0 mSdLazyCounter, 145 mSolverCounterSat, 67 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 448 SdHoareTripleChecker+Valid, 1398 SdHoareTripleChecker+Invalid, 212 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 67 IncrementalHoareTripleChecker+Valid, 145 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2024-11-28 04:33:44,470 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [448 Valid, 1398 Invalid, 212 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [67 Valid, 145 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2024-11-28 04:33:44,472 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 429 states. [2024-11-28 04:33:44,517 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 429 to 326. [2024-11-28 04:33:44,518 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 326 states, 291 states have (on average 1.4329896907216495) internal successors, (417), 291 states have internal predecessors, (417), 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) [2024-11-28 04:33:44,521 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 326 states to 326 states and 481 transitions. [2024-11-28 04:33:44,522 INFO L78 Accepts]: Start accepts. Automaton has 326 states and 481 transitions. Word has length 143 [2024-11-28 04:33:44,526 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:33:44,526 INFO L471 AbstractCegarLoop]: Abstraction has 326 states and 481 transitions. [2024-11-28 04:33:44,526 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 9.428571428571429) internal successors, (66), 6 states have internal predecessors, (66), 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) [2024-11-28 04:33:44,526 INFO L276 IsEmpty]: Start isEmpty. Operand 326 states and 481 transitions. [2024-11-28 04:33:44,528 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2024-11-28 04:33:44,528 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:33:44,528 INFO L218 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, 1, 1, 1] [2024-11-28 04:33:44,545 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06046609-e80e-4c9b-a061-7ea03819ea51/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2024-11-28 04:33:44,729 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06046609-e80e-4c9b-a061-7ea03819ea51/bin/uautomizer-verify-aQ6SnzHsRB/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 [2024-11-28 04:33:44,730 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 04:33:44,730 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:33:44,731 INFO L85 PathProgramCache]: Analyzing trace with hash 1231366981, now seen corresponding path program 1 times [2024-11-28 04:33:44,731 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 04:33:44,732 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1583000443] [2024-11-28 04:33:44,732 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:33:44,732 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 [2024-11-28 04:33:44,732 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06046609-e80e-4c9b-a061-7ea03819ea51/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-28 04:33:44,734 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06046609-e80e-4c9b-a061-7ea03819ea51/bin/uautomizer-verify-aQ6SnzHsRB/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) [2024-11-28 04:33:44,738 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06046609-e80e-4c9b-a061-7ea03819ea51/bin/uautomizer-verify-aQ6SnzHsRB/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 [2024-11-28 04:33:45,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:33:45,641 INFO L256 TraceCheckSpWp]: Trace formula consists of 329 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-28 04:33:45,648 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 04:33:45,941 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-28 04:33:45,942 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 155 treesize of output 65 [2024-11-28 04:33:46,019 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 192 proven. 0 refuted. 0 times theorem prover too weak. 288 trivial. 0 not checked. [2024-11-28 04:33:46,019 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 04:33:46,019 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 04:33:46,020 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1583000443] [2024-11-28 04:33:46,020 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1583000443] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:33:46,020 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:33:46,020 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-28 04:33:46,020 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [895608207] [2024-11-28 04:33:46,020 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:33:46,021 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-28 04:33:46,021 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-28 04:33:46,022 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-28 04:33:46,022 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-28 04:33:46,022 INFO L87 Difference]: Start difference. First operand 326 states and 481 transitions. Second operand has 6 states, 6 states have (on average 11.5) internal successors, (69), 5 states have internal predecessors, (69), 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) [2024-11-28 04:33:53,425 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:33:53,426 INFO L93 Difference]: Finished difference Result 651 states and 961 transitions. [2024-11-28 04:33:53,427 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-28 04:33:53,427 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 11.5) internal successors, (69), 5 states have internal predecessors, (69), 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 143 [2024-11-28 04:33:53,428 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:33:53,430 INFO L225 Difference]: With dead ends: 651 [2024-11-28 04:33:53,430 INFO L226 Difference]: Without dead ends: 328 [2024-11-28 04:33:53,431 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 145 GetRequests, 138 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2024-11-28 04:33:53,432 INFO L435 NwaCegarLoop]: 148 mSDtfsCounter, 187 mSDsluCounter, 382 mSDsCounter, 0 mSdLazyCounter, 292 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 187 SdHoareTripleChecker+Valid, 530 SdHoareTripleChecker+Invalid, 293 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 292 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.3s IncrementalHoareTripleChecker+Time [2024-11-28 04:33:53,433 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [187 Valid, 530 Invalid, 293 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 292 Invalid, 0 Unknown, 0 Unchecked, 7.3s Time] [2024-11-28 04:33:53,434 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 328 states. [2024-11-28 04:33:53,460 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 328 to 326. [2024-11-28 04:33:53,461 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 326 states, 291 states have (on average 1.4261168384879725) internal successors, (415), 291 states have internal predecessors, (415), 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) [2024-11-28 04:33:53,463 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 326 states to 326 states and 479 transitions. [2024-11-28 04:33:53,464 INFO L78 Accepts]: Start accepts. Automaton has 326 states and 479 transitions. Word has length 143 [2024-11-28 04:33:53,464 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:33:53,464 INFO L471 AbstractCegarLoop]: Abstraction has 326 states and 479 transitions. [2024-11-28 04:33:53,465 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 11.5) internal successors, (69), 5 states have internal predecessors, (69), 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) [2024-11-28 04:33:53,465 INFO L276 IsEmpty]: Start isEmpty. Operand 326 states and 479 transitions. [2024-11-28 04:33:53,467 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2024-11-28 04:33:53,467 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:33:53,467 INFO L218 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, 1, 1, 1, 1, 1] [2024-11-28 04:33:53,485 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06046609-e80e-4c9b-a061-7ea03819ea51/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2024-11-28 04:33:53,668 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06046609-e80e-4c9b-a061-7ea03819ea51/bin/uautomizer-verify-aQ6SnzHsRB/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 [2024-11-28 04:33:53,668 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 04:33:53,669 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:33:53,669 INFO L85 PathProgramCache]: Analyzing trace with hash -1428991807, now seen corresponding path program 1 times [2024-11-28 04:33:53,669 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 04:33:53,670 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2066335505] [2024-11-28 04:33:53,670 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:33:53,670 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 [2024-11-28 04:33:53,670 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06046609-e80e-4c9b-a061-7ea03819ea51/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-28 04:33:53,674 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06046609-e80e-4c9b-a061-7ea03819ea51/bin/uautomizer-verify-aQ6SnzHsRB/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) [2024-11-28 04:33:53,675 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06046609-e80e-4c9b-a061-7ea03819ea51/bin/uautomizer-verify-aQ6SnzHsRB/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 [2024-11-28 04:33:54,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:33:54,352 INFO L256 TraceCheckSpWp]: Trace formula consists of 333 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-28 04:33:54,375 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 04:33:54,482 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 232 proven. 0 refuted. 0 times theorem prover too weak. 248 trivial. 0 not checked. [2024-11-28 04:33:54,483 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 04:33:54,483 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 04:33:54,483 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2066335505] [2024-11-28 04:33:54,483 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2066335505] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:33:54,483 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:33:54,484 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-28 04:33:54,484 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1301540325] [2024-11-28 04:33:54,484 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:33:54,484 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-28 04:33:54,485 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-28 04:33:54,486 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-28 04:33:54,486 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-28 04:33:54,487 INFO L87 Difference]: Start difference. First operand 326 states and 479 transitions. Second operand has 6 states, 5 states have (on average 14.8) internal successors, (74), 6 states have internal predecessors, (74), 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) [2024-11-28 04:33:54,909 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:33:54,909 INFO L93 Difference]: Finished difference Result 657 states and 965 transitions. [2024-11-28 04:33:54,910 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-28 04:33:54,910 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 14.8) internal successors, (74), 6 states have internal predecessors, (74), 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 145 [2024-11-28 04:33:54,911 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:33:54,913 INFO L225 Difference]: With dead ends: 657 [2024-11-28 04:33:54,913 INFO L226 Difference]: Without dead ends: 330 [2024-11-28 04:33:54,915 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 145 GetRequests, 140 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2024-11-28 04:33:54,917 INFO L435 NwaCegarLoop]: 187 mSDtfsCounter, 1 mSDsluCounter, 704 mSDsCounter, 0 mSdLazyCounter, 132 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 891 SdHoareTripleChecker+Invalid, 135 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 132 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-28 04:33:54,918 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 891 Invalid, 135 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 132 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-28 04:33:54,924 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 330 states. [2024-11-28 04:33:54,954 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 330 to 326. [2024-11-28 04:33:54,955 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 326 states, 291 states have (on average 1.4192439862542956) internal successors, (413), 291 states have internal predecessors, (413), 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) [2024-11-28 04:33:54,958 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 326 states to 326 states and 477 transitions. [2024-11-28 04:33:54,958 INFO L78 Accepts]: Start accepts. Automaton has 326 states and 477 transitions. Word has length 145 [2024-11-28 04:33:54,959 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:33:54,959 INFO L471 AbstractCegarLoop]: Abstraction has 326 states and 477 transitions. [2024-11-28 04:33:54,959 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 14.8) internal successors, (74), 6 states have internal predecessors, (74), 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) [2024-11-28 04:33:54,960 INFO L276 IsEmpty]: Start isEmpty. Operand 326 states and 477 transitions. [2024-11-28 04:33:54,962 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2024-11-28 04:33:54,962 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:33:54,962 INFO L218 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, 1, 1, 1, 1, 1] [2024-11-28 04:33:54,979 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06046609-e80e-4c9b-a061-7ea03819ea51/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (7)] Ended with exit code 0 [2024-11-28 04:33:55,162 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06046609-e80e-4c9b-a061-7ea03819ea51/bin/uautomizer-verify-aQ6SnzHsRB/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 [2024-11-28 04:33:55,163 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 04:33:55,164 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:33:55,164 INFO L85 PathProgramCache]: Analyzing trace with hash 1138830527, now seen corresponding path program 1 times [2024-11-28 04:33:55,165 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 04:33:55,165 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [446139463] [2024-11-28 04:33:55,165 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:33:55,165 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 [2024-11-28 04:33:55,165 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06046609-e80e-4c9b-a061-7ea03819ea51/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-28 04:33:55,168 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06046609-e80e-4c9b-a061-7ea03819ea51/bin/uautomizer-verify-aQ6SnzHsRB/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) [2024-11-28 04:33:55,171 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06046609-e80e-4c9b-a061-7ea03819ea51/bin/uautomizer-verify-aQ6SnzHsRB/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 [2024-11-28 04:33:55,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:33:55,883 INFO L256 TraceCheckSpWp]: Trace formula consists of 335 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-28 04:33:55,889 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 04:33:56,198 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-28 04:33:56,199 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 173 treesize of output 65 [2024-11-28 04:33:56,267 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 220 proven. 0 refuted. 0 times theorem prover too weak. 260 trivial. 0 not checked. [2024-11-28 04:33:56,267 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 04:33:56,267 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 04:33:56,267 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [446139463] [2024-11-28 04:33:56,267 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [446139463] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:33:56,267 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:33:56,267 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-28 04:33:56,267 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [38592363] [2024-11-28 04:33:56,268 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:33:56,268 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-28 04:33:56,268 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-28 04:33:56,269 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-28 04:33:56,269 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-28 04:33:56,269 INFO L87 Difference]: Start difference. First operand 326 states and 477 transitions. Second operand has 6 states, 6 states have (on average 11.833333333333334) internal successors, (71), 5 states have internal predecessors, (71), 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) [2024-11-28 04:34:02,244 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:34:02,244 INFO L93 Difference]: Finished difference Result 651 states and 953 transitions. [2024-11-28 04:34:02,245 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-28 04:34:02,246 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 11.833333333333334) internal successors, (71), 5 states have internal predecessors, (71), 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 145 [2024-11-28 04:34:02,246 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:34:02,249 INFO L225 Difference]: With dead ends: 651 [2024-11-28 04:34:02,249 INFO L226 Difference]: Without dead ends: 328 [2024-11-28 04:34:02,250 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 147 GetRequests, 140 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2024-11-28 04:34:02,252 INFO L435 NwaCegarLoop]: 146 mSDtfsCounter, 176 mSDsluCounter, 376 mSDsCounter, 0 mSdLazyCounter, 292 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 176 SdHoareTripleChecker+Valid, 522 SdHoareTripleChecker+Invalid, 293 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 292 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.8s IncrementalHoareTripleChecker+Time [2024-11-28 04:34:02,252 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [176 Valid, 522 Invalid, 293 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 292 Invalid, 0 Unknown, 0 Unchecked, 5.8s Time] [2024-11-28 04:34:02,253 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 328 states. [2024-11-28 04:34:02,278 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 328 to 326. [2024-11-28 04:34:02,279 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 326 states, 291 states have (on average 1.4123711340206186) internal successors, (411), 291 states have internal predecessors, (411), 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) [2024-11-28 04:34:02,281 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 326 states to 326 states and 475 transitions. [2024-11-28 04:34:02,282 INFO L78 Accepts]: Start accepts. Automaton has 326 states and 475 transitions. Word has length 145 [2024-11-28 04:34:02,282 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:34:02,283 INFO L471 AbstractCegarLoop]: Abstraction has 326 states and 475 transitions. [2024-11-28 04:34:02,283 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 11.833333333333334) internal successors, (71), 5 states have internal predecessors, (71), 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) [2024-11-28 04:34:02,283 INFO L276 IsEmpty]: Start isEmpty. Operand 326 states and 475 transitions. [2024-11-28 04:34:02,285 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2024-11-28 04:34:02,285 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:34:02,286 INFO L218 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, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:34:02,304 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06046609-e80e-4c9b-a061-7ea03819ea51/bin/uautomizer-verify-aQ6SnzHsRB/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 [2024-11-28 04:34:02,486 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06046609-e80e-4c9b-a061-7ea03819ea51/bin/uautomizer-verify-aQ6SnzHsRB/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 [2024-11-28 04:34:02,486 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 04:34:02,487 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:34:02,487 INFO L85 PathProgramCache]: Analyzing trace with hash -1245211387, now seen corresponding path program 1 times [2024-11-28 04:34:02,487 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 04:34:02,487 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1795536662] [2024-11-28 04:34:02,487 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:34:02,488 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 [2024-11-28 04:34:02,488 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06046609-e80e-4c9b-a061-7ea03819ea51/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-28 04:34:02,490 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06046609-e80e-4c9b-a061-7ea03819ea51/bin/uautomizer-verify-aQ6SnzHsRB/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) [2024-11-28 04:34:02,492 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06046609-e80e-4c9b-a061-7ea03819ea51/bin/uautomizer-verify-aQ6SnzHsRB/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 [2024-11-28 04:34:03,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:34:03,336 INFO L256 TraceCheckSpWp]: Trace formula consists of 341 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-28 04:34:03,340 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 04:34:03,733 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-28 04:34:03,733 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 173 treesize of output 65 [2024-11-28 04:34:03,811 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 240 proven. 0 refuted. 0 times theorem prover too weak. 240 trivial. 0 not checked. [2024-11-28 04:34:03,811 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 04:34:03,811 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 04:34:03,811 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1795536662] [2024-11-28 04:34:03,811 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1795536662] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:34:03,811 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:34:03,812 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-28 04:34:03,812 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1714901632] [2024-11-28 04:34:03,812 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:34:03,812 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-28 04:34:03,813 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-28 04:34:03,815 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-28 04:34:03,815 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-28 04:34:03,815 INFO L87 Difference]: Start difference. First operand 326 states and 475 transitions. Second operand has 6 states, 6 states have (on average 12.166666666666666) internal successors, (73), 5 states have internal predecessors, (73), 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) [2024-11-28 04:34:11,081 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:34:11,082 INFO L93 Difference]: Finished difference Result 649 states and 947 transitions. [2024-11-28 04:34:11,083 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-28 04:34:11,083 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 12.166666666666666) internal successors, (73), 5 states have internal predecessors, (73), 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 147 [2024-11-28 04:34:11,083 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:34:11,085 INFO L225 Difference]: With dead ends: 649 [2024-11-28 04:34:11,085 INFO L226 Difference]: Without dead ends: 326 [2024-11-28 04:34:11,088 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 149 GetRequests, 142 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2024-11-28 04:34:11,089 INFO L435 NwaCegarLoop]: 145 mSDtfsCounter, 168 mSDsluCounter, 373 mSDsCounter, 0 mSdLazyCounter, 289 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 168 SdHoareTripleChecker+Valid, 518 SdHoareTripleChecker+Invalid, 290 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 289 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.1s IncrementalHoareTripleChecker+Time [2024-11-28 04:34:11,090 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [168 Valid, 518 Invalid, 290 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 289 Invalid, 0 Unknown, 0 Unchecked, 7.1s Time] [2024-11-28 04:34:11,091 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 326 states. [2024-11-28 04:34:11,108 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 326 to 322. [2024-11-28 04:34:11,109 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 322 states, 287 states have (on average 1.411149825783972) internal successors, (405), 287 states have internal predecessors, (405), 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) [2024-11-28 04:34:11,111 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 322 states to 322 states and 469 transitions. [2024-11-28 04:34:11,111 INFO L78 Accepts]: Start accepts. Automaton has 322 states and 469 transitions. Word has length 147 [2024-11-28 04:34:11,112 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:34:11,112 INFO L471 AbstractCegarLoop]: Abstraction has 322 states and 469 transitions. [2024-11-28 04:34:11,112 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 12.166666666666666) internal successors, (73), 5 states have internal predecessors, (73), 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) [2024-11-28 04:34:11,112 INFO L276 IsEmpty]: Start isEmpty. Operand 322 states and 469 transitions. [2024-11-28 04:34:11,114 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2024-11-28 04:34:11,114 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:34:11,114 INFO L218 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, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:34:11,131 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06046609-e80e-4c9b-a061-7ea03819ea51/bin/uautomizer-verify-aQ6SnzHsRB/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 [2024-11-28 04:34:11,314 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06046609-e80e-4c9b-a061-7ea03819ea51/bin/uautomizer-verify-aQ6SnzHsRB/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 [2024-11-28 04:34:11,315 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 04:34:11,316 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:34:11,316 INFO L85 PathProgramCache]: Analyzing trace with hash -947172163, now seen corresponding path program 1 times [2024-11-28 04:34:11,317 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 04:34:11,317 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1531502907] [2024-11-28 04:34:11,317 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:34:11,317 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 [2024-11-28 04:34:11,317 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06046609-e80e-4c9b-a061-7ea03819ea51/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-28 04:34:11,320 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06046609-e80e-4c9b-a061-7ea03819ea51/bin/uautomizer-verify-aQ6SnzHsRB/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) [2024-11-28 04:34:11,323 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06046609-e80e-4c9b-a061-7ea03819ea51/bin/uautomizer-verify-aQ6SnzHsRB/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 [2024-11-28 04:34:12,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:34:12,095 INFO L256 TraceCheckSpWp]: Trace formula consists of 345 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-28 04:34:12,098 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 04:34:12,583 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-28 04:34:12,583 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 172 treesize of output 64 [2024-11-28 04:34:12,732 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 252 proven. 24 refuted. 0 times theorem prover too weak. 204 trivial. 0 not checked. [2024-11-28 04:34:12,732 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 04:34:13,159 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-28 04:34:13,159 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 110 treesize of output 1 [2024-11-28 04:34:13,213 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 18 proven. 27 refuted. 0 times theorem prover too weak. 435 trivial. 0 not checked. [2024-11-28 04:34:13,214 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 04:34:13,214 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1531502907] [2024-11-28 04:34:13,214 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1531502907] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-28 04:34:13,214 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-28 04:34:13,214 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 8] total 12 [2024-11-28 04:34:13,214 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [407931882] [2024-11-28 04:34:13,214 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-28 04:34:13,215 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-28 04:34:13,215 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-28 04:34:13,216 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-28 04:34:13,216 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=103, Unknown=0, NotChecked=0, Total=132 [2024-11-28 04:34:13,217 INFO L87 Difference]: Start difference. First operand 322 states and 469 transitions. Second operand has 12 states, 11 states have (on average 9.818181818181818) internal successors, (108), 12 states have internal predecessors, (108), 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) [2024-11-28 04:34:19,098 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.22s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-28 04:34:22,764 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:34:22,766 INFO L93 Difference]: Finished difference Result 667 states and 965 transitions. [2024-11-28 04:34:22,769 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-28 04:34:22,769 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 9.818181818181818) internal successors, (108), 12 states have internal predecessors, (108), 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 149 [2024-11-28 04:34:22,770 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:34:22,772 INFO L225 Difference]: With dead ends: 667 [2024-11-28 04:34:22,772 INFO L226 Difference]: Without dead ends: 326 [2024-11-28 04:34:22,774 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 307 GetRequests, 287 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 58 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=96, Invalid=366, Unknown=0, NotChecked=0, Total=462 [2024-11-28 04:34:22,777 INFO L435 NwaCegarLoop]: 128 mSDtfsCounter, 170 mSDsluCounter, 540 mSDsCounter, 0 mSdLazyCounter, 571 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 180 SdHoareTripleChecker+Valid, 668 SdHoareTripleChecker+Invalid, 582 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 571 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.1s IncrementalHoareTripleChecker+Time [2024-11-28 04:34:22,777 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [180 Valid, 668 Invalid, 582 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 571 Invalid, 0 Unknown, 0 Unchecked, 9.1s Time] [2024-11-28 04:34:22,779 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 326 states. [2024-11-28 04:34:22,804 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 326 to 322. [2024-11-28 04:34:22,808 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 322 states, 287 states have (on average 1.397212543554007) internal successors, (401), 287 states have internal predecessors, (401), 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) [2024-11-28 04:34:22,810 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 322 states to 322 states and 465 transitions. [2024-11-28 04:34:22,811 INFO L78 Accepts]: Start accepts. Automaton has 322 states and 465 transitions. Word has length 149 [2024-11-28 04:34:22,812 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:34:22,812 INFO L471 AbstractCegarLoop]: Abstraction has 322 states and 465 transitions. [2024-11-28 04:34:22,812 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 9.818181818181818) internal successors, (108), 12 states have internal predecessors, (108), 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) [2024-11-28 04:34:22,813 INFO L276 IsEmpty]: Start isEmpty. Operand 322 states and 465 transitions. [2024-11-28 04:34:22,814 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2024-11-28 04:34:22,814 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:34:22,815 INFO L218 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, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:34:22,831 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06046609-e80e-4c9b-a061-7ea03819ea51/bin/uautomizer-verify-aQ6SnzHsRB/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 [2024-11-28 04:34:23,015 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06046609-e80e-4c9b-a061-7ea03819ea51/bin/uautomizer-verify-aQ6SnzHsRB/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 [2024-11-28 04:34:23,015 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 04:34:23,016 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:34:23,016 INFO L85 PathProgramCache]: Analyzing trace with hash 959231103, now seen corresponding path program 1 times [2024-11-28 04:34:23,016 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 04:34:23,016 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [850696322] [2024-11-28 04:34:23,016 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:34:23,017 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 [2024-11-28 04:34:23,017 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06046609-e80e-4c9b-a061-7ea03819ea51/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-28 04:34:23,018 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06046609-e80e-4c9b-a061-7ea03819ea51/bin/uautomizer-verify-aQ6SnzHsRB/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) [2024-11-28 04:34:23,019 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06046609-e80e-4c9b-a061-7ea03819ea51/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (11)] Waiting until timeout for monitored process [2024-11-28 04:34:23,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:34:23,761 INFO L256 TraceCheckSpWp]: Trace formula consists of 347 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-28 04:34:23,767 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 04:34:23,780 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 35 treesize of output 31 [2024-11-28 04:34:23,865 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 108 treesize of output 90 [2024-11-28 04:34:23,940 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2024-11-28 04:34:23,940 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 04:34:23,940 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 04:34:23,940 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [850696322] [2024-11-28 04:34:23,940 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [850696322] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:34:23,940 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:34:23,941 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-28 04:34:23,941 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [263995857] [2024-11-28 04:34:23,941 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:34:23,941 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-28 04:34:23,942 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-28 04:34:23,942 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-28 04:34:23,942 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-28 04:34:23,943 INFO L87 Difference]: Start difference. First operand 322 states and 465 transitions. Second operand has 6 states, 6 states have (on average 12.0) internal successors, (72), 6 states have internal predecessors, (72), 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) [2024-11-28 04:34:25,364 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:34:25,365 INFO L93 Difference]: Finished difference Result 969 states and 1401 transitions. [2024-11-28 04:34:25,366 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-28 04:34:25,366 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 12.0) internal successors, (72), 6 states have internal predecessors, (72), 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 149 [2024-11-28 04:34:25,367 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:34:25,371 INFO L225 Difference]: With dead ends: 969 [2024-11-28 04:34:25,371 INFO L226 Difference]: Without dead ends: 650 [2024-11-28 04:34:25,372 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 151 GetRequests, 144 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2024-11-28 04:34:25,373 INFO L435 NwaCegarLoop]: 290 mSDtfsCounter, 187 mSDsluCounter, 1034 mSDsCounter, 0 mSdLazyCounter, 135 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 187 SdHoareTripleChecker+Valid, 1324 SdHoareTripleChecker+Invalid, 140 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 135 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2024-11-28 04:34:25,373 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [187 Valid, 1324 Invalid, 140 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 135 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2024-11-28 04:34:25,374 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 650 states. [2024-11-28 04:34:25,416 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 650 to 648. [2024-11-28 04:34:25,418 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 648 states, 579 states have (on average 1.3937823834196892) internal successors, (807), 579 states have internal predecessors, (807), 64 states have call successors, (64), 4 states have call predecessors, (64), 4 states have return successors, (64), 64 states have call predecessors, (64), 64 states have call successors, (64) [2024-11-28 04:34:25,423 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 648 states to 648 states and 935 transitions. [2024-11-28 04:34:25,424 INFO L78 Accepts]: Start accepts. Automaton has 648 states and 935 transitions. Word has length 149 [2024-11-28 04:34:25,424 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:34:25,424 INFO L471 AbstractCegarLoop]: Abstraction has 648 states and 935 transitions. [2024-11-28 04:34:25,424 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 12.0) internal successors, (72), 6 states have internal predecessors, (72), 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) [2024-11-28 04:34:25,424 INFO L276 IsEmpty]: Start isEmpty. Operand 648 states and 935 transitions. [2024-11-28 04:34:25,426 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2024-11-28 04:34:25,427 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:34:25,427 INFO L218 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, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:34:25,446 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06046609-e80e-4c9b-a061-7ea03819ea51/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (11)] Ended with exit code 0 [2024-11-28 04:34:25,631 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06046609-e80e-4c9b-a061-7ea03819ea51/bin/uautomizer-verify-aQ6SnzHsRB/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 [2024-11-28 04:34:25,632 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 04:34:25,633 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:34:25,633 INFO L85 PathProgramCache]: Analyzing trace with hash 2006057727, now seen corresponding path program 1 times [2024-11-28 04:34:25,634 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 04:34:25,634 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [23159465] [2024-11-28 04:34:25,634 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:34:25,634 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 [2024-11-28 04:34:25,634 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06046609-e80e-4c9b-a061-7ea03819ea51/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-28 04:34:25,637 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06046609-e80e-4c9b-a061-7ea03819ea51/bin/uautomizer-verify-aQ6SnzHsRB/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) [2024-11-28 04:34:25,640 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06046609-e80e-4c9b-a061-7ea03819ea51/bin/uautomizer-verify-aQ6SnzHsRB/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 [2024-11-28 04:34:26,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:34:26,416 INFO L256 TraceCheckSpWp]: Trace formula consists of 345 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-28 04:34:26,419 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 04:34:27,159 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 165 proven. 36 refuted. 0 times theorem prover too weak. 279 trivial. 0 not checked. [2024-11-28 04:34:27,160 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 04:34:27,450 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2024-11-28 04:34:27,450 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 04:34:27,450 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [23159465] [2024-11-28 04:34:27,450 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [23159465] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-28 04:34:27,450 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-28 04:34:27,451 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [9] total 10 [2024-11-28 04:34:27,451 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1927198983] [2024-11-28 04:34:27,451 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:34:27,451 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-28 04:34:27,451 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-28 04:34:27,452 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-28 04:34:27,452 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2024-11-28 04:34:27,453 INFO L87 Difference]: Start difference. First operand 648 states and 935 transitions. Second operand has 5 states, 5 states have (on average 14.4) internal successors, (72), 5 states have internal predecessors, (72), 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) [2024-11-28 04:34:28,428 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:34:28,428 INFO L93 Difference]: Finished difference Result 1646 states and 2371 transitions. [2024-11-28 04:34:28,429 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-28 04:34:28,429 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 14.4) internal successors, (72), 5 states have internal predecessors, (72), 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 149 [2024-11-28 04:34:28,430 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:34:28,434 INFO L225 Difference]: With dead ends: 1646 [2024-11-28 04:34:28,434 INFO L226 Difference]: Without dead ends: 1001 [2024-11-28 04:34:28,436 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 297 GetRequests, 288 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2024-11-28 04:34:28,437 INFO L435 NwaCegarLoop]: 190 mSDtfsCounter, 184 mSDsluCounter, 372 mSDsCounter, 0 mSdLazyCounter, 37 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 184 SdHoareTripleChecker+Valid, 562 SdHoareTripleChecker+Invalid, 45 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 37 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-11-28 04:34:28,437 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [184 Valid, 562 Invalid, 45 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 37 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-11-28 04:34:28,439 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1001 states. [2024-11-28 04:34:28,489 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1001 to 995. [2024-11-28 04:34:28,491 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 995 states, 914 states have (on average 1.4048140043763677) internal successors, (1284), 918 states have internal predecessors, (1284), 72 states have call successors, (72), 8 states have call predecessors, (72), 8 states have return successors, (72), 68 states have call predecessors, (72), 72 states have call successors, (72) [2024-11-28 04:34:28,496 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 995 states to 995 states and 1428 transitions. [2024-11-28 04:34:28,496 INFO L78 Accepts]: Start accepts. Automaton has 995 states and 1428 transitions. Word has length 149 [2024-11-28 04:34:28,497 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:34:28,497 INFO L471 AbstractCegarLoop]: Abstraction has 995 states and 1428 transitions. [2024-11-28 04:34:28,497 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 14.4) internal successors, (72), 5 states have internal predecessors, (72), 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) [2024-11-28 04:34:28,498 INFO L276 IsEmpty]: Start isEmpty. Operand 995 states and 1428 transitions. [2024-11-28 04:34:28,500 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2024-11-28 04:34:28,500 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:34:28,500 INFO L218 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:34:28,519 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06046609-e80e-4c9b-a061-7ea03819ea51/bin/uautomizer-verify-aQ6SnzHsRB/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 [2024-11-28 04:34:28,701 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06046609-e80e-4c9b-a061-7ea03819ea51/bin/uautomizer-verify-aQ6SnzHsRB/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 [2024-11-28 04:34:28,701 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 04:34:28,702 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:34:28,702 INFO L85 PathProgramCache]: Analyzing trace with hash 1711070551, now seen corresponding path program 1 times [2024-11-28 04:34:28,702 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 04:34:28,702 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [765177212] [2024-11-28 04:34:28,702 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:34:28,702 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 [2024-11-28 04:34:28,702 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06046609-e80e-4c9b-a061-7ea03819ea51/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-28 04:34:28,704 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06046609-e80e-4c9b-a061-7ea03819ea51/bin/uautomizer-verify-aQ6SnzHsRB/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) [2024-11-28 04:34:28,706 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06046609-e80e-4c9b-a061-7ea03819ea51/bin/uautomizer-verify-aQ6SnzHsRB/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