./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-8.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fde5eac-99f4-4566-8b84-c396312d1c2e/bin/uautomizer-verify-BQ2R08f2Ya/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fde5eac-99f4-4566-8b84-c396312d1c2e/bin/uautomizer-verify-BQ2R08f2Ya/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fde5eac-99f4-4566-8b84-c396312d1c2e/bin/uautomizer-verify-BQ2R08f2Ya/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fde5eac-99f4-4566-8b84-c396312d1c2e/bin/uautomizer-verify-BQ2R08f2Ya/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-8.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fde5eac-99f4-4566-8b84-c396312d1c2e/bin/uautomizer-verify-BQ2R08f2Ya/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fde5eac-99f4-4566-8b84-c396312d1c2e/bin/uautomizer-verify-BQ2R08f2Ya --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 64fa20811e3d6b4f48d530fd12c5b3e1f5523460c92f2bd0d2e9efe97c916004 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-29 03:23:26,078 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-29 03:23:26,142 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fde5eac-99f4-4566-8b84-c396312d1c2e/bin/uautomizer-verify-BQ2R08f2Ya/config/svcomp-Reach-32bit-Automizer_Default.epf [2023-11-29 03:23:26,146 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-29 03:23:26,147 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-29 03:23:26,169 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-29 03:23:26,170 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-29 03:23:26,170 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-29 03:23:26,171 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-29 03:23:26,171 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-29 03:23:26,172 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-29 03:23:26,172 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-29 03:23:26,173 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-29 03:23:26,174 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-29 03:23:26,174 INFO L153 SettingsManager]: * Use SBE=true [2023-11-29 03:23:26,175 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-29 03:23:26,175 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-29 03:23:26,176 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-29 03:23:26,176 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-29 03:23:26,176 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-29 03:23:26,177 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-29 03:23:26,181 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-29 03:23:26,181 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-29 03:23:26,181 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-29 03:23:26,182 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-29 03:23:26,182 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-29 03:23:26,182 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-29 03:23:26,183 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-29 03:23:26,183 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-29 03:23:26,184 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-29 03:23:26,184 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-29 03:23:26,184 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-29 03:23:26,185 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-29 03:23:26,185 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-29 03:23:26,185 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-29 03:23:26,185 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-29 03:23:26,185 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-29 03:23:26,186 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-29 03:23:26,186 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-29 03:23:26,186 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-29 03:23:26,186 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-29 03:23:26,187 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-29 03:23:26,187 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fde5eac-99f4-4566-8b84-c396312d1c2e/bin/uautomizer-verify-BQ2R08f2Ya/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fde5eac-99f4-4566-8b84-c396312d1c2e/bin/uautomizer-verify-BQ2R08f2Ya Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 64fa20811e3d6b4f48d530fd12c5b3e1f5523460c92f2bd0d2e9efe97c916004 [2023-11-29 03:23:26,416 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-29 03:23:26,437 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-29 03:23:26,440 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-29 03:23:26,441 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-29 03:23:26,441 INFO L274 PluginConnector]: CDTParser initialized [2023-11-29 03:23:26,443 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fde5eac-99f4-4566-8b84-c396312d1c2e/bin/uautomizer-verify-BQ2R08f2Ya/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-8.i [2023-11-29 03:23:29,186 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-29 03:23:29,362 INFO L384 CDTParser]: Found 1 translation units. [2023-11-29 03:23:29,362 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fde5eac-99f4-4566-8b84-c396312d1c2e/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-8.i [2023-11-29 03:23:29,371 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fde5eac-99f4-4566-8b84-c396312d1c2e/bin/uautomizer-verify-BQ2R08f2Ya/data/bfa0e0a87/7f4e767ffc9642c3a39393af2e065983/FLAG069abea41 [2023-11-29 03:23:29,383 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fde5eac-99f4-4566-8b84-c396312d1c2e/bin/uautomizer-verify-BQ2R08f2Ya/data/bfa0e0a87/7f4e767ffc9642c3a39393af2e065983 [2023-11-29 03:23:29,385 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-29 03:23:29,387 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-29 03:23:29,388 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-29 03:23:29,388 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-29 03:23:29,392 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-29 03:23:29,392 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 03:23:29" (1/1) ... [2023-11-29 03:23:29,393 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@114f7f5b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:23:29, skipping insertion in model container [2023-11-29 03:23:29,394 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 03:23:29" (1/1) ... [2023-11-29 03:23:29,420 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-29 03:23:29,548 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fde5eac-99f4-4566-8b84-c396312d1c2e/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-8.i[915,928] [2023-11-29 03:23:29,602 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 03:23:29,613 INFO L202 MainTranslator]: Completed pre-run [2023-11-29 03:23:29,625 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fde5eac-99f4-4566-8b84-c396312d1c2e/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-8.i[915,928] [2023-11-29 03:23:29,664 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 03:23:29,685 INFO L206 MainTranslator]: Completed translation [2023-11-29 03:23:29,685 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:23:29 WrapperNode [2023-11-29 03:23:29,686 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-29 03:23:29,686 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-29 03:23:29,687 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-29 03:23:29,687 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-29 03:23:29,692 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:23:29" (1/1) ... [2023-11-29 03:23:29,706 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:23:29" (1/1) ... [2023-11-29 03:23:29,748 INFO L138 Inliner]: procedures = 29, calls = 152, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 393 [2023-11-29 03:23:29,749 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-29 03:23:29,750 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-29 03:23:29,750 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-29 03:23:29,750 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-29 03:23:29,760 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:23:29" (1/1) ... [2023-11-29 03:23:29,760 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:23:29" (1/1) ... [2023-11-29 03:23:29,766 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:23:29" (1/1) ... [2023-11-29 03:23:29,787 INFO L175 MemorySlicer]: Split 126 memory accesses to 2 slices as follows [2, 124]. 98 percent of accesses are in the largest equivalence class. The 17 initializations are split as follows [2, 15]. The 19 writes are split as follows [0, 19]. [2023-11-29 03:23:29,787 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:23:29" (1/1) ... [2023-11-29 03:23:29,788 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:23:29" (1/1) ... [2023-11-29 03:23:29,810 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:23:29" (1/1) ... [2023-11-29 03:23:29,815 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:23:29" (1/1) ... [2023-11-29 03:23:29,818 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:23:29" (1/1) ... [2023-11-29 03:23:29,821 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:23:29" (1/1) ... [2023-11-29 03:23:29,828 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-29 03:23:29,829 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-29 03:23:29,829 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-29 03:23:29,829 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-29 03:23:29,830 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:23:29" (1/1) ... [2023-11-29 03:23:29,836 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-29 03:23:29,846 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fde5eac-99f4-4566-8b84-c396312d1c2e/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 03:23:29,857 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fde5eac-99f4-4566-8b84-c396312d1c2e/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2023-11-29 03:23:29,859 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fde5eac-99f4-4566-8b84-c396312d1c2e/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2023-11-29 03:23:29,888 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-29 03:23:29,888 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2023-11-29 03:23:29,889 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2023-11-29 03:23:29,889 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#0 [2023-11-29 03:23:29,889 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#1 [2023-11-29 03:23:29,889 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#0 [2023-11-29 03:23:29,889 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#1 [2023-11-29 03:23:29,889 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2023-11-29 03:23:29,890 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2023-11-29 03:23:29,890 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#0 [2023-11-29 03:23:29,890 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#1 [2023-11-29 03:23:29,890 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-29 03:23:29,890 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-29 03:23:29,890 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-11-29 03:23:29,891 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2023-11-29 03:23:29,891 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-29 03:23:29,891 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-29 03:23:30,002 INFO L241 CfgBuilder]: Building ICFG [2023-11-29 03:23:30,004 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-29 03:23:30,420 INFO L282 CfgBuilder]: Performing block encoding [2023-11-29 03:23:30,457 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-29 03:23:30,457 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-29 03:23:30,458 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 03:23:30 BoogieIcfgContainer [2023-11-29 03:23:30,458 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-29 03:23:30,461 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-29 03:23:30,461 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-29 03:23:30,465 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-29 03:23:30,465 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.11 03:23:29" (1/3) ... [2023-11-29 03:23:30,466 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@848f296 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 03:23:30, skipping insertion in model container [2023-11-29 03:23:30,466 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:23:29" (2/3) ... [2023-11-29 03:23:30,466 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@848f296 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 03:23:30, skipping insertion in model container [2023-11-29 03:23:30,466 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 03:23:30" (3/3) ... [2023-11-29 03:23:30,468 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_wrapper-s_file-8.i [2023-11-29 03:23:30,488 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-29 03:23:30,488 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-29 03:23:30,558 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-29 03:23:30,564 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=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;@9678a96, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-29 03:23:30,564 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-29 03:23:30,568 INFO L276 IsEmpty]: Start isEmpty. Operand has 93 states, 76 states have (on average 1.4473684210526316) internal successors, (110), 77 states have internal predecessors, (110), 14 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2023-11-29 03:23:30,581 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2023-11-29 03:23:30,582 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 03:23:30,583 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 03:23:30,583 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 03:23:30,587 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:23:30,588 INFO L85 PathProgramCache]: Analyzing trace with hash -2143100842, now seen corresponding path program 1 times [2023-11-29 03:23:30,595 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 03:23:30,596 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1026048838] [2023-11-29 03:23:30,596 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:23:30,596 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 03:23:30,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:23:30,849 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-29 03:23:30,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:23:30,856 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-11-29 03:23:30,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:23:30,861 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-11-29 03:23:30,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:23:30,865 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-11-29 03:23:30,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:23:30,870 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2023-11-29 03:23:30,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:23:30,874 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2023-11-29 03:23:30,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:23:30,879 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2023-11-29 03:23:30,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:23:30,883 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2023-11-29 03:23:30,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:23:30,888 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2023-11-29 03:23:30,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:23:30,893 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2023-11-29 03:23:30,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:23:30,898 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2023-11-29 03:23:30,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:23:30,902 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2023-11-29 03:23:30,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:23:30,907 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2023-11-29 03:23:30,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:23:30,910 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2023-11-29 03:23:30,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:23:30,916 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2023-11-29 03:23:30,917 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 03:23:30,917 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1026048838] [2023-11-29 03:23:30,917 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1026048838] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 03:23:30,918 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 03:23:30,918 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 03:23:30,919 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2129828964] [2023-11-29 03:23:30,920 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 03:23:30,924 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-29 03:23:30,925 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 03:23:30,950 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-29 03:23:30,950 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-29 03:23:30,953 INFO L87 Difference]: Start difference. First operand has 93 states, 76 states have (on average 1.4473684210526316) internal successors, (110), 77 states have internal predecessors, (110), 14 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) Second operand has 2 states, 2 states have (on average 25.5) internal successors, (51), 2 states have internal predecessors, (51), 2 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 2 states have call successors, (14) [2023-11-29 03:23:30,999 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 03:23:30,999 INFO L93 Difference]: Finished difference Result 183 states and 288 transitions. [2023-11-29 03:23:31,000 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-29 03:23:31,002 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 25.5) internal successors, (51), 2 states have internal predecessors, (51), 2 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 2 states have call successors, (14) Word has length 118 [2023-11-29 03:23:31,002 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 03:23:31,009 INFO L225 Difference]: With dead ends: 183 [2023-11-29 03:23:31,009 INFO L226 Difference]: Without dead ends: 91 [2023-11-29 03:23:31,012 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-29 03:23:31,015 INFO L413 NwaCegarLoop]: 129 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 129 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-29 03:23:31,016 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 129 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-29 03:23:31,029 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 91 states. [2023-11-29 03:23:31,052 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 91 to 91. [2023-11-29 03:23:31,053 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 91 states, 75 states have (on average 1.4) internal successors, (105), 75 states have internal predecessors, (105), 14 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2023-11-29 03:23:31,055 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 91 states and 133 transitions. [2023-11-29 03:23:31,057 INFO L78 Accepts]: Start accepts. Automaton has 91 states and 133 transitions. Word has length 118 [2023-11-29 03:23:31,057 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 03:23:31,057 INFO L495 AbstractCegarLoop]: Abstraction has 91 states and 133 transitions. [2023-11-29 03:23:31,058 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 25.5) internal successors, (51), 2 states have internal predecessors, (51), 2 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 2 states have call successors, (14) [2023-11-29 03:23:31,058 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 133 transitions. [2023-11-29 03:23:31,061 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2023-11-29 03:23:31,061 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 03:23:31,061 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 03:23:31,062 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-29 03:23:31,062 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 03:23:31,062 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:23:31,063 INFO L85 PathProgramCache]: Analyzing trace with hash 1017374914, now seen corresponding path program 1 times [2023-11-29 03:23:31,063 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 03:23:31,063 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1007068805] [2023-11-29 03:23:31,063 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:23:31,064 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 03:23:31,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:23:31,306 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-29 03:23:31,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:23:31,309 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-11-29 03:23:31,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:23:31,312 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-11-29 03:23:31,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:23:31,315 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-11-29 03:23:31,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:23:31,318 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2023-11-29 03:23:31,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:23:31,320 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2023-11-29 03:23:31,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:23:31,323 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2023-11-29 03:23:31,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:23:31,327 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2023-11-29 03:23:31,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:23:31,331 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2023-11-29 03:23:31,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:23:31,333 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2023-11-29 03:23:31,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:23:31,336 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2023-11-29 03:23:31,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:23:31,339 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2023-11-29 03:23:31,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:23:31,342 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2023-11-29 03:23:31,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:23:31,345 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2023-11-29 03:23:31,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:23:31,358 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2023-11-29 03:23:31,358 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 03:23:31,359 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1007068805] [2023-11-29 03:23:31,359 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1007068805] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 03:23:31,359 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 03:23:31,359 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-29 03:23:31,359 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [818206770] [2023-11-29 03:23:31,360 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 03:23:31,361 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-29 03:23:31,361 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 03:23:31,362 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-29 03:23:31,362 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-29 03:23:31,363 INFO L87 Difference]: Start difference. First operand 91 states and 133 transitions. Second operand has 4 states, 4 states have (on average 12.75) internal successors, (51), 4 states have internal predecessors, (51), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2023-11-29 03:23:31,434 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 03:23:31,435 INFO L93 Difference]: Finished difference Result 193 states and 282 transitions. [2023-11-29 03:23:31,435 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-29 03:23:31,435 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 12.75) internal successors, (51), 4 states have internal predecessors, (51), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) Word has length 118 [2023-11-29 03:23:31,437 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 03:23:31,438 INFO L225 Difference]: With dead ends: 193 [2023-11-29 03:23:31,438 INFO L226 Difference]: Without dead ends: 103 [2023-11-29 03:23:31,439 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-29 03:23:31,441 INFO L413 NwaCegarLoop]: 126 mSDtfsCounter, 21 mSDsluCounter, 252 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 21 SdHoareTripleChecker+Valid, 378 SdHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-29 03:23:31,442 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [21 Valid, 378 Invalid, 26 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-29 03:23:31,443 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 103 states. [2023-11-29 03:23:31,452 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 103 to 93. [2023-11-29 03:23:31,452 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 93 states, 77 states have (on average 1.3896103896103895) internal successors, (107), 77 states have internal predecessors, (107), 14 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2023-11-29 03:23:31,454 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 93 states and 135 transitions. [2023-11-29 03:23:31,454 INFO L78 Accepts]: Start accepts. Automaton has 93 states and 135 transitions. Word has length 118 [2023-11-29 03:23:31,456 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 03:23:31,456 INFO L495 AbstractCegarLoop]: Abstraction has 93 states and 135 transitions. [2023-11-29 03:23:31,456 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.75) internal successors, (51), 4 states have internal predecessors, (51), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2023-11-29 03:23:31,457 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 135 transitions. [2023-11-29 03:23:31,459 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2023-11-29 03:23:31,459 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 03:23:31,459 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 03:23:31,459 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-29 03:23:31,460 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 03:23:31,460 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:23:31,460 INFO L85 PathProgramCache]: Analyzing trace with hash 208028288, now seen corresponding path program 1 times [2023-11-29 03:23:31,460 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 03:23:31,460 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1049524242] [2023-11-29 03:23:31,461 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:23:31,461 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 03:23:31,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:23:31,627 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-29 03:23:31,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:23:31,630 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-11-29 03:23:31,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:23:31,633 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-11-29 03:23:31,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:23:31,635 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-11-29 03:23:31,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:23:31,639 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2023-11-29 03:23:31,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:23:31,641 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2023-11-29 03:23:31,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:23:31,644 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2023-11-29 03:23:31,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:23:31,647 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2023-11-29 03:23:31,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:23:31,650 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2023-11-29 03:23:31,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:23:31,652 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2023-11-29 03:23:31,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:23:31,654 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2023-11-29 03:23:31,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:23:31,657 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2023-11-29 03:23:31,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:23:31,659 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2023-11-29 03:23:31,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:23:31,661 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2023-11-29 03:23:31,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:23:31,665 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2023-11-29 03:23:31,666 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 03:23:31,666 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1049524242] [2023-11-29 03:23:31,666 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1049524242] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 03:23:31,666 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 03:23:31,666 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-29 03:23:31,667 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1090693018] [2023-11-29 03:23:31,667 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 03:23:31,668 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-29 03:23:31,668 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 03:23:31,669 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-29 03:23:31,669 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-29 03:23:31,669 INFO L87 Difference]: Start difference. First operand 93 states and 135 transitions. Second operand has 4 states, 4 states have (on average 12.75) internal successors, (51), 4 states have internal predecessors, (51), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2023-11-29 03:23:31,722 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 03:23:31,723 INFO L93 Difference]: Finished difference Result 193 states and 280 transitions. [2023-11-29 03:23:31,723 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-29 03:23:31,723 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 12.75) internal successors, (51), 4 states have internal predecessors, (51), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) Word has length 118 [2023-11-29 03:23:31,724 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 03:23:31,725 INFO L225 Difference]: With dead ends: 193 [2023-11-29 03:23:31,726 INFO L226 Difference]: Without dead ends: 101 [2023-11-29 03:23:31,727 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-29 03:23:31,728 INFO L413 NwaCegarLoop]: 126 mSDtfsCounter, 12 mSDsluCounter, 250 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12 SdHoareTripleChecker+Valid, 376 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-29 03:23:31,729 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [12 Valid, 376 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-29 03:23:31,730 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 101 states. [2023-11-29 03:23:31,738 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 101 to 95. [2023-11-29 03:23:31,739 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 95 states, 79 states have (on average 1.379746835443038) internal successors, (109), 79 states have internal predecessors, (109), 14 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2023-11-29 03:23:31,740 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 95 states and 137 transitions. [2023-11-29 03:23:31,740 INFO L78 Accepts]: Start accepts. Automaton has 95 states and 137 transitions. Word has length 118 [2023-11-29 03:23:31,741 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 03:23:31,741 INFO L495 AbstractCegarLoop]: Abstraction has 95 states and 137 transitions. [2023-11-29 03:23:31,742 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.75) internal successors, (51), 4 states have internal predecessors, (51), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2023-11-29 03:23:31,742 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 137 transitions. [2023-11-29 03:23:31,744 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2023-11-29 03:23:31,744 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 03:23:31,744 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 03:23:31,744 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-29 03:23:31,745 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 03:23:31,745 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:23:31,745 INFO L85 PathProgramCache]: Analyzing trace with hash 265286590, now seen corresponding path program 1 times [2023-11-29 03:23:31,745 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 03:23:31,746 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1988335810] [2023-11-29 03:23:31,746 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:23:31,746 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 03:23:31,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:23:31,864 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-29 03:23:31,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:23:31,867 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-11-29 03:23:31,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:23:31,870 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-11-29 03:23:31,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:23:31,872 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-11-29 03:23:31,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:23:31,874 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2023-11-29 03:23:31,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:23:31,877 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2023-11-29 03:23:31,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:23:31,880 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2023-11-29 03:23:31,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:23:31,882 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2023-11-29 03:23:31,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:23:31,884 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2023-11-29 03:23:31,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:23:31,897 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2023-11-29 03:23:31,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:23:31,899 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2023-11-29 03:23:31,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:23:31,902 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2023-11-29 03:23:31,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:23:31,904 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2023-11-29 03:23:31,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:23:31,907 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2023-11-29 03:23:31,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:23:31,910 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2023-11-29 03:23:31,911 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 03:23:31,911 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1988335810] [2023-11-29 03:23:31,911 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1988335810] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 03:23:31,911 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 03:23:31,911 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-29 03:23:31,911 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [957428552] [2023-11-29 03:23:31,912 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 03:23:31,912 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-29 03:23:31,912 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 03:23:31,913 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-29 03:23:31,913 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-29 03:23:31,913 INFO L87 Difference]: Start difference. First operand 95 states and 137 transitions. Second operand has 4 states, 4 states have (on average 12.75) internal successors, (51), 4 states have internal predecessors, (51), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2023-11-29 03:23:31,962 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 03:23:31,963 INFO L93 Difference]: Finished difference Result 193 states and 278 transitions. [2023-11-29 03:23:31,963 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-29 03:23:31,963 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 12.75) internal successors, (51), 4 states have internal predecessors, (51), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) Word has length 118 [2023-11-29 03:23:31,964 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 03:23:31,965 INFO L225 Difference]: With dead ends: 193 [2023-11-29 03:23:31,965 INFO L226 Difference]: Without dead ends: 99 [2023-11-29 03:23:31,966 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-29 03:23:31,967 INFO L413 NwaCegarLoop]: 127 mSDtfsCounter, 3 mSDsluCounter, 249 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 376 SdHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-29 03:23:31,968 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 376 Invalid, 22 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-29 03:23:31,969 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 99 states. [2023-11-29 03:23:31,975 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 99 to 97. [2023-11-29 03:23:31,976 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 97 states, 81 states have (on average 1.3703703703703705) internal successors, (111), 81 states have internal predecessors, (111), 14 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2023-11-29 03:23:31,977 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 97 states and 139 transitions. [2023-11-29 03:23:31,977 INFO L78 Accepts]: Start accepts. Automaton has 97 states and 139 transitions. Word has length 118 [2023-11-29 03:23:31,978 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 03:23:31,978 INFO L495 AbstractCegarLoop]: Abstraction has 97 states and 139 transitions. [2023-11-29 03:23:31,978 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.75) internal successors, (51), 4 states have internal predecessors, (51), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2023-11-29 03:23:31,978 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 139 transitions. [2023-11-29 03:23:31,980 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2023-11-29 03:23:31,980 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 03:23:31,980 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 03:23:31,980 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-11-29 03:23:31,981 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 03:23:31,981 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:23:31,981 INFO L85 PathProgramCache]: Analyzing trace with hash 265346172, now seen corresponding path program 1 times [2023-11-29 03:23:31,981 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 03:23:31,982 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1908850859] [2023-11-29 03:23:31,982 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:23:31,982 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 03:23:32,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:23:32,906 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-29 03:23:32,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:23:32,909 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-11-29 03:23:32,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:23:32,913 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-11-29 03:23:32,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:23:32,915 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-11-29 03:23:32,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:23:32,919 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2023-11-29 03:23:32,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:23:32,921 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2023-11-29 03:23:32,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:23:32,924 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2023-11-29 03:23:32,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:23:32,927 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2023-11-29 03:23:32,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:23:32,931 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2023-11-29 03:23:32,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:23:32,934 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2023-11-29 03:23:32,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:23:32,936 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2023-11-29 03:23:32,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:23:32,939 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2023-11-29 03:23:32,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:23:32,942 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2023-11-29 03:23:32,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:23:32,945 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2023-11-29 03:23:32,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:23:32,949 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2023-11-29 03:23:32,949 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 03:23:32,949 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1908850859] [2023-11-29 03:23:32,949 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1908850859] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 03:23:32,950 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 03:23:32,950 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-29 03:23:32,950 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1713225643] [2023-11-29 03:23:32,950 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 03:23:32,951 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-29 03:23:32,951 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 03:23:32,952 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-29 03:23:32,952 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-29 03:23:32,952 INFO L87 Difference]: Start difference. First operand 97 states and 139 transitions. Second operand has 5 states, 4 states have (on average 12.75) internal successors, (51), 5 states have internal predecessors, (51), 2 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 2 states have call successors, (14) [2023-11-29 03:23:33,290 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 03:23:33,290 INFO L93 Difference]: Finished difference Result 193 states and 277 transitions. [2023-11-29 03:23:33,290 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-29 03:23:33,291 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 12.75) internal successors, (51), 5 states have internal predecessors, (51), 2 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 2 states have call successors, (14) Word has length 118 [2023-11-29 03:23:33,291 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 03:23:33,292 INFO L225 Difference]: With dead ends: 193 [2023-11-29 03:23:33,292 INFO L226 Difference]: Without dead ends: 97 [2023-11-29 03:23:33,293 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2023-11-29 03:23:33,294 INFO L413 NwaCegarLoop]: 78 mSDtfsCounter, 113 mSDsluCounter, 125 mSDsCounter, 0 mSdLazyCounter, 192 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 113 SdHoareTripleChecker+Valid, 203 SdHoareTripleChecker+Invalid, 209 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 192 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-11-29 03:23:33,295 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [113 Valid, 203 Invalid, 209 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 192 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-11-29 03:23:33,296 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 97 states. [2023-11-29 03:23:33,307 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 97 to 97. [2023-11-29 03:23:33,308 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 97 states, 81 states have (on average 1.3580246913580247) internal successors, (110), 81 states have internal predecessors, (110), 14 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2023-11-29 03:23:33,309 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 97 states and 138 transitions. [2023-11-29 03:23:33,309 INFO L78 Accepts]: Start accepts. Automaton has 97 states and 138 transitions. Word has length 118 [2023-11-29 03:23:33,310 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 03:23:33,310 INFO L495 AbstractCegarLoop]: Abstraction has 97 states and 138 transitions. [2023-11-29 03:23:33,310 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 12.75) internal successors, (51), 5 states have internal predecessors, (51), 2 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 2 states have call successors, (14) [2023-11-29 03:23:33,310 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 138 transitions. [2023-11-29 03:23:33,312 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2023-11-29 03:23:33,312 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 03:23:33,312 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 03:23:33,312 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-11-29 03:23:33,312 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 03:23:33,313 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:23:33,313 INFO L85 PathProgramCache]: Analyzing trace with hash -1728798534, now seen corresponding path program 1 times [2023-11-29 03:23:33,313 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 03:23:33,313 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1791499514] [2023-11-29 03:23:33,313 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:23:33,313 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 03:23:33,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:23:34,871 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-29 03:23:34,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:23:34,873 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-11-29 03:23:34,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:23:34,876 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-11-29 03:23:34,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:23:34,878 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-11-29 03:23:34,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:23:34,880 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2023-11-29 03:23:34,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:23:34,882 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2023-11-29 03:23:34,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:23:34,885 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2023-11-29 03:23:34,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:23:34,887 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2023-11-29 03:23:34,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:23:34,889 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2023-11-29 03:23:34,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:23:34,892 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2023-11-29 03:23:34,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:23:34,894 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2023-11-29 03:23:34,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:23:34,896 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2023-11-29 03:23:34,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:23:34,903 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2023-11-29 03:23:34,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:23:34,905 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2023-11-29 03:23:34,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:23:34,908 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2023-11-29 03:23:34,908 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 03:23:34,908 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1791499514] [2023-11-29 03:23:34,908 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1791499514] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 03:23:34,909 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 03:23:34,909 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-29 03:23:34,909 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1165076026] [2023-11-29 03:23:34,909 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 03:23:34,909 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-29 03:23:34,909 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 03:23:34,910 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-29 03:23:34,910 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-11-29 03:23:34,910 INFO L87 Difference]: Start difference. First operand 97 states and 138 transitions. Second operand has 6 states, 5 states have (on average 10.2) internal successors, (51), 6 states have internal predecessors, (51), 2 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 2 states have call successors, (14) [2023-11-29 03:23:35,343 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 03:23:35,343 INFO L93 Difference]: Finished difference Result 266 states and 372 transitions. [2023-11-29 03:23:35,343 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-11-29 03:23:35,344 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 10.2) internal successors, (51), 6 states have internal predecessors, (51), 2 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 2 states have call successors, (14) Word has length 118 [2023-11-29 03:23:35,344 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 03:23:35,346 INFO L225 Difference]: With dead ends: 266 [2023-11-29 03:23:35,346 INFO L226 Difference]: Without dead ends: 170 [2023-11-29 03:23:35,346 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2023-11-29 03:23:35,347 INFO L413 NwaCegarLoop]: 133 mSDtfsCounter, 97 mSDsluCounter, 412 mSDsCounter, 0 mSdLazyCounter, 247 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 98 SdHoareTripleChecker+Valid, 545 SdHoareTripleChecker+Invalid, 252 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 247 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-11-29 03:23:35,348 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [98 Valid, 545 Invalid, 252 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 247 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-11-29 03:23:35,349 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 170 states. [2023-11-29 03:23:35,368 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 170 to 146. [2023-11-29 03:23:35,369 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 146 states, 123 states have (on average 1.3333333333333333) internal successors, (164), 124 states have internal predecessors, (164), 20 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (20), 19 states have call predecessors, (20), 20 states have call successors, (20) [2023-11-29 03:23:35,370 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 146 states and 204 transitions. [2023-11-29 03:23:35,370 INFO L78 Accepts]: Start accepts. Automaton has 146 states and 204 transitions. Word has length 118 [2023-11-29 03:23:35,371 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 03:23:35,371 INFO L495 AbstractCegarLoop]: Abstraction has 146 states and 204 transitions. [2023-11-29 03:23:35,371 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 10.2) internal successors, (51), 6 states have internal predecessors, (51), 2 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 2 states have call successors, (14) [2023-11-29 03:23:35,371 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 204 transitions. [2023-11-29 03:23:35,373 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2023-11-29 03:23:35,373 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 03:23:35,373 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 03:23:35,373 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-11-29 03:23:35,373 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 03:23:35,374 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:23:35,374 INFO L85 PathProgramCache]: Analyzing trace with hash -880932673, now seen corresponding path program 1 times [2023-11-29 03:23:35,374 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 03:23:35,374 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [548208164] [2023-11-29 03:23:35,374 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:23:35,374 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 03:23:35,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:23:36,822 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-29 03:23:36,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:23:36,825 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-11-29 03:23:36,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:23:36,827 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-11-29 03:23:36,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:23:36,829 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-11-29 03:23:36,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:23:36,831 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2023-11-29 03:23:36,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:23:36,833 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2023-11-29 03:23:36,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:23:36,835 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2023-11-29 03:23:36,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:23:36,838 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2023-11-29 03:23:36,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:23:36,840 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2023-11-29 03:23:36,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:23:36,842 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2023-11-29 03:23:36,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:23:36,844 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2023-11-29 03:23:36,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:23:36,846 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2023-11-29 03:23:36,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:23:36,848 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2023-11-29 03:23:36,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:23:36,850 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2023-11-29 03:23:36,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:23:36,854 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2023-11-29 03:23:36,854 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 03:23:36,855 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [548208164] [2023-11-29 03:23:36,855 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [548208164] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 03:23:36,855 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 03:23:36,855 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2023-11-29 03:23:36,855 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [630397903] [2023-11-29 03:23:36,855 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 03:23:36,856 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-11-29 03:23:36,856 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 03:23:36,856 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-11-29 03:23:36,857 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2023-11-29 03:23:36,857 INFO L87 Difference]: Start difference. First operand 146 states and 204 transitions. Second operand has 10 states, 9 states have (on average 5.888888888888889) internal successors, (53), 10 states have internal predecessors, (53), 2 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 2 states have call successors, (14) [2023-11-29 03:23:42,184 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2023-11-29 03:23:43,008 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 03:23:43,008 INFO L93 Difference]: Finished difference Result 355 states and 496 transitions. [2023-11-29 03:23:43,009 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-11-29 03:23:43,009 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 5.888888888888889) internal successors, (53), 10 states have internal predecessors, (53), 2 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 2 states have call successors, (14) Word has length 120 [2023-11-29 03:23:43,010 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 03:23:43,012 INFO L225 Difference]: With dead ends: 355 [2023-11-29 03:23:43,012 INFO L226 Difference]: Without dead ends: 210 [2023-11-29 03:23:43,012 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 37 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=89, Invalid=253, Unknown=0, NotChecked=0, Total=342 [2023-11-29 03:23:43,013 INFO L413 NwaCegarLoop]: 148 mSDtfsCounter, 419 mSDsluCounter, 452 mSDsCounter, 0 mSdLazyCounter, 757 mSolverCounterSat, 170 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 419 SdHoareTripleChecker+Valid, 600 SdHoareTripleChecker+Invalid, 928 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 170 IncrementalHoareTripleChecker+Valid, 757 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.6s IncrementalHoareTripleChecker+Time [2023-11-29 03:23:43,014 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [419 Valid, 600 Invalid, 928 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [170 Valid, 757 Invalid, 1 Unknown, 0 Unchecked, 5.6s Time] [2023-11-29 03:23:43,015 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 210 states. [2023-11-29 03:23:43,053 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 210 to 186. [2023-11-29 03:23:43,053 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 186 states, 154 states have (on average 1.3376623376623376) internal successors, (206), 155 states have internal predecessors, (206), 28 states have call successors, (28), 3 states have call predecessors, (28), 3 states have return successors, (28), 27 states have call predecessors, (28), 28 states have call successors, (28) [2023-11-29 03:23:43,055 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 186 states to 186 states and 262 transitions. [2023-11-29 03:23:43,055 INFO L78 Accepts]: Start accepts. Automaton has 186 states and 262 transitions. Word has length 120 [2023-11-29 03:23:43,056 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 03:23:43,056 INFO L495 AbstractCegarLoop]: Abstraction has 186 states and 262 transitions. [2023-11-29 03:23:43,056 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 5.888888888888889) internal successors, (53), 10 states have internal predecessors, (53), 2 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 2 states have call successors, (14) [2023-11-29 03:23:43,056 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states and 262 transitions. [2023-11-29 03:23:43,058 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2023-11-29 03:23:43,058 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 03:23:43,058 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 03:23:43,058 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-11-29 03:23:43,058 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 03:23:43,059 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:23:43,059 INFO L85 PathProgramCache]: Analyzing trace with hash 1358309407, now seen corresponding path program 1 times [2023-11-29 03:23:43,059 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 03:23:43,059 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [424974308] [2023-11-29 03:23:43,059 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:23:43,059 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 03:23:43,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:23:44,222 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-29 03:23:44,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:23:44,225 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-11-29 03:23:44,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:23:44,227 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-11-29 03:23:44,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:23:44,228 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-11-29 03:23:44,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:23:44,230 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2023-11-29 03:23:44,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:23:44,232 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2023-11-29 03:23:44,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:23:44,234 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2023-11-29 03:23:44,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:23:44,236 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2023-11-29 03:23:44,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:23:44,239 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2023-11-29 03:23:44,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:23:44,241 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2023-11-29 03:23:44,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:23:44,244 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2023-11-29 03:23:44,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:23:44,246 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2023-11-29 03:23:44,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:23:44,249 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2023-11-29 03:23:44,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:23:44,251 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2023-11-29 03:23:44,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:23:44,254 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2023-11-29 03:23:44,254 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 03:23:44,254 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [424974308] [2023-11-29 03:23:44,255 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [424974308] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 03:23:44,255 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 03:23:44,255 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-11-29 03:23:44,255 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [647234874] [2023-11-29 03:23:44,255 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 03:23:44,255 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-29 03:23:44,256 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 03:23:44,256 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-29 03:23:44,256 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2023-11-29 03:23:44,257 INFO L87 Difference]: Start difference. First operand 186 states and 262 transitions. Second operand has 8 states, 7 states have (on average 7.571428571428571) internal successors, (53), 8 states have internal predecessors, (53), 2 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 2 states have call successors, (14) [2023-11-29 03:23:48,884 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2023-11-29 03:23:49,322 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 03:23:49,322 INFO L93 Difference]: Finished difference Result 368 states and 516 transitions. [2023-11-29 03:23:49,323 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-11-29 03:23:49,323 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 7.571428571428571) internal successors, (53), 8 states have internal predecessors, (53), 2 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 2 states have call successors, (14) Word has length 120 [2023-11-29 03:23:49,324 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 03:23:49,325 INFO L225 Difference]: With dead ends: 368 [2023-11-29 03:23:49,325 INFO L226 Difference]: Without dead ends: 183 [2023-11-29 03:23:49,326 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 37 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=53, Invalid=129, Unknown=0, NotChecked=0, Total=182 [2023-11-29 03:23:49,327 INFO L413 NwaCegarLoop]: 74 mSDtfsCounter, 404 mSDsluCounter, 215 mSDsCounter, 0 mSdLazyCounter, 363 mSolverCounterSat, 199 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 404 SdHoareTripleChecker+Valid, 289 SdHoareTripleChecker+Invalid, 563 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 199 IncrementalHoareTripleChecker+Valid, 363 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.9s IncrementalHoareTripleChecker+Time [2023-11-29 03:23:49,327 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [404 Valid, 289 Invalid, 563 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [199 Valid, 363 Invalid, 1 Unknown, 0 Unchecked, 4.9s Time] [2023-11-29 03:23:49,328 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 183 states. [2023-11-29 03:23:49,366 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 183 to 180. [2023-11-29 03:23:49,367 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 180 states, 148 states have (on average 1.3243243243243243) internal successors, (196), 149 states have internal predecessors, (196), 28 states have call successors, (28), 3 states have call predecessors, (28), 3 states have return successors, (28), 27 states have call predecessors, (28), 28 states have call successors, (28) [2023-11-29 03:23:49,368 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 180 states to 180 states and 252 transitions. [2023-11-29 03:23:49,368 INFO L78 Accepts]: Start accepts. Automaton has 180 states and 252 transitions. Word has length 120 [2023-11-29 03:23:49,369 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 03:23:49,369 INFO L495 AbstractCegarLoop]: Abstraction has 180 states and 252 transitions. [2023-11-29 03:23:49,369 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 7.571428571428571) internal successors, (53), 8 states have internal predecessors, (53), 2 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 2 states have call successors, (14) [2023-11-29 03:23:49,369 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 252 transitions. [2023-11-29 03:23:49,370 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2023-11-29 03:23:49,370 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 03:23:49,371 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 03:23:49,371 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-11-29 03:23:49,371 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 03:23:49,371 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:23:49,371 INFO L85 PathProgramCache]: Analyzing trace with hash -985015800, now seen corresponding path program 1 times [2023-11-29 03:23:49,372 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 03:23:49,372 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2109606332] [2023-11-29 03:23:49,372 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:23:49,372 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 03:23:49,405 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-29 03:23:49,405 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1947169028] [2023-11-29 03:23:49,405 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:23:49,406 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 03:23:49,406 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fde5eac-99f4-4566-8b84-c396312d1c2e/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 03:23:49,408 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fde5eac-99f4-4566-8b84-c396312d1c2e/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 03:23:49,412 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fde5eac-99f4-4566-8b84-c396312d1c2e/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-29 03:23:49,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:23:49,610 INFO L262 TraceCheckSpWp]: Trace formula consists of 416 conjuncts, 28 conjunts are in the unsatisfiable core [2023-11-29 03:23:49,622 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 03:23:49,702 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 21 [2023-11-29 03:23:49,752 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 03:23:49,753 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 37 treesize of output 24 [2023-11-29 03:23:49,777 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 03:23:49,778 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 35 treesize of output 40 [2023-11-29 03:23:49,870 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 39 refuted. 0 times theorem prover too weak. 325 trivial. 0 not checked. [2023-11-29 03:23:49,870 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 03:23:50,029 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2023-11-29 03:23:50,029 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 03:23:50,029 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2109606332] [2023-11-29 03:23:50,029 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-29 03:23:50,030 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1947169028] [2023-11-29 03:23:50,030 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1947169028] provided 1 perfect and 1 imperfect interpolant sequences [2023-11-29 03:23:50,030 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-29 03:23:50,030 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [11] total 13 [2023-11-29 03:23:50,030 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [475706912] [2023-11-29 03:23:50,030 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 03:23:50,031 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-29 03:23:50,031 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 03:23:50,032 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-29 03:23:50,032 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=125, Unknown=0, NotChecked=0, Total=156 [2023-11-29 03:23:50,032 INFO L87 Difference]: Start difference. First operand 180 states and 252 transitions. Second operand has 8 states, 8 states have (on average 6.625) internal successors, (53), 8 states have internal predecessors, (53), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2023-11-29 03:23:50,681 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 03:23:50,681 INFO L93 Difference]: Finished difference Result 448 states and 626 transitions. [2023-11-29 03:23:50,681 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-29 03:23:50,681 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 6.625) internal successors, (53), 8 states have internal predecessors, (53), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) Word has length 120 [2023-11-29 03:23:50,682 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 03:23:50,684 INFO L225 Difference]: With dead ends: 448 [2023-11-29 03:23:50,684 INFO L226 Difference]: Without dead ends: 269 [2023-11-29 03:23:50,685 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 242 GetRequests, 226 SyntacticMatches, 1 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=62, Invalid=210, Unknown=0, NotChecked=0, Total=272 [2023-11-29 03:23:50,685 INFO L413 NwaCegarLoop]: 159 mSDtfsCounter, 336 mSDsluCounter, 560 mSDsCounter, 0 mSdLazyCounter, 289 mSolverCounterSat, 96 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 336 SdHoareTripleChecker+Valid, 719 SdHoareTripleChecker+Invalid, 385 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 96 IncrementalHoareTripleChecker+Valid, 289 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2023-11-29 03:23:50,686 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [336 Valid, 719 Invalid, 385 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [96 Valid, 289 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2023-11-29 03:23:50,687 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 269 states. [2023-11-29 03:23:50,718 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 269 to 186. [2023-11-29 03:23:50,718 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 186 states, 154 states have (on average 1.3116883116883118) internal successors, (202), 155 states have internal predecessors, (202), 28 states have call successors, (28), 3 states have call predecessors, (28), 3 states have return successors, (28), 27 states have call predecessors, (28), 28 states have call successors, (28) [2023-11-29 03:23:50,719 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 186 states to 186 states and 258 transitions. [2023-11-29 03:23:50,720 INFO L78 Accepts]: Start accepts. Automaton has 186 states and 258 transitions. Word has length 120 [2023-11-29 03:23:50,720 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 03:23:50,720 INFO L495 AbstractCegarLoop]: Abstraction has 186 states and 258 transitions. [2023-11-29 03:23:50,720 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 6.625) internal successors, (53), 8 states have internal predecessors, (53), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2023-11-29 03:23:50,720 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states and 258 transitions. [2023-11-29 03:23:50,721 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2023-11-29 03:23:50,722 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 03:23:50,722 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 03:23:50,728 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fde5eac-99f4-4566-8b84-c396312d1c2e/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-11-29 03:23:50,922 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fde5eac-99f4-4566-8b84-c396312d1c2e/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable8 [2023-11-29 03:23:50,923 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 03:23:50,923 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:23:50,923 INFO L85 PathProgramCache]: Analyzing trace with hash 113615588, now seen corresponding path program 1 times [2023-11-29 03:23:50,923 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 03:23:50,923 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [592645541] [2023-11-29 03:23:50,923 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:23:50,923 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 03:23:50,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:23:51,534 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-29 03:23:51,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:23:51,536 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-11-29 03:23:51,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:23:51,538 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-11-29 03:23:51,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:23:51,540 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-11-29 03:23:51,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:23:51,542 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2023-11-29 03:23:51,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:23:51,543 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2023-11-29 03:23:51,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:23:51,546 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2023-11-29 03:23:51,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:23:51,548 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2023-11-29 03:23:51,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:23:51,550 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2023-11-29 03:23:51,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:23:51,552 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2023-11-29 03:23:51,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:23:51,554 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2023-11-29 03:23:51,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:23:51,555 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2023-11-29 03:23:51,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:23:51,557 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2023-11-29 03:23:51,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:23:51,558 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2023-11-29 03:23:51,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:23:51,560 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2023-11-29 03:23:51,560 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 03:23:51,560 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [592645541] [2023-11-29 03:23:51,560 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [592645541] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 03:23:51,560 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 03:23:51,560 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-11-29 03:23:51,560 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [87518526] [2023-11-29 03:23:51,561 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 03:23:51,561 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-29 03:23:51,561 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 03:23:51,562 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-29 03:23:51,562 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2023-11-29 03:23:51,562 INFO L87 Difference]: Start difference. First operand 186 states and 258 transitions. Second operand has 8 states, 8 states have (on average 6.875) internal successors, (55), 8 states have internal predecessors, (55), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2023-11-29 03:23:52,520 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 03:23:52,520 INFO L93 Difference]: Finished difference Result 555 states and 771 transitions. [2023-11-29 03:23:52,520 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-11-29 03:23:52,521 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 6.875) internal successors, (55), 8 states have internal predecessors, (55), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) Word has length 122 [2023-11-29 03:23:52,521 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 03:23:52,524 INFO L225 Difference]: With dead ends: 555 [2023-11-29 03:23:52,524 INFO L226 Difference]: Without dead ends: 370 [2023-11-29 03:23:52,525 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=51, Invalid=131, Unknown=0, NotChecked=0, Total=182 [2023-11-29 03:23:52,526 INFO L413 NwaCegarLoop]: 109 mSDtfsCounter, 185 mSDsluCounter, 577 mSDsCounter, 0 mSdLazyCounter, 434 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 185 SdHoareTripleChecker+Valid, 686 SdHoareTripleChecker+Invalid, 450 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 434 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2023-11-29 03:23:52,526 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [185 Valid, 686 Invalid, 450 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 434 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2023-11-29 03:23:52,527 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 370 states. [2023-11-29 03:23:52,574 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 370 to 193. [2023-11-29 03:23:52,575 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 193 states, 161 states have (on average 1.3043478260869565) internal successors, (210), 162 states have internal predecessors, (210), 28 states have call successors, (28), 3 states have call predecessors, (28), 3 states have return successors, (28), 27 states have call predecessors, (28), 28 states have call successors, (28) [2023-11-29 03:23:52,576 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 193 states to 193 states and 266 transitions. [2023-11-29 03:23:52,577 INFO L78 Accepts]: Start accepts. Automaton has 193 states and 266 transitions. Word has length 122 [2023-11-29 03:23:52,577 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 03:23:52,577 INFO L495 AbstractCegarLoop]: Abstraction has 193 states and 266 transitions. [2023-11-29 03:23:52,578 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 6.875) internal successors, (55), 8 states have internal predecessors, (55), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2023-11-29 03:23:52,578 INFO L276 IsEmpty]: Start isEmpty. Operand 193 states and 266 transitions. [2023-11-29 03:23:52,579 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2023-11-29 03:23:52,579 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 03:23:52,580 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 03:23:52,580 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2023-11-29 03:23:52,580 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 03:23:52,580 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:23:52,580 INFO L85 PathProgramCache]: Analyzing trace with hash 124124789, now seen corresponding path program 1 times [2023-11-29 03:23:52,581 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 03:23:52,581 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [784277802] [2023-11-29 03:23:52,581 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:23:52,581 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 03:23:52,614 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-29 03:23:52,614 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2111321959] [2023-11-29 03:23:52,614 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:23:52,615 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 03:23:52,615 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fde5eac-99f4-4566-8b84-c396312d1c2e/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 03:23:52,616 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fde5eac-99f4-4566-8b84-c396312d1c2e/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 03:23:52,618 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fde5eac-99f4-4566-8b84-c396312d1c2e/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-11-29 03:23:52,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:23:52,859 INFO L262 TraceCheckSpWp]: Trace formula consists of 446 conjuncts, 31 conjunts are in the unsatisfiable core [2023-11-29 03:23:52,866 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 03:23:52,887 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 19 [2023-11-29 03:23:52,900 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 03:23:52,900 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 35 treesize of output 22 [2023-11-29 03:23:52,910 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 03:23:52,911 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 35 treesize of output 22 [2023-11-29 03:23:52,921 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 03:23:52,922 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 33 treesize of output 38 [2023-11-29 03:23:53,020 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 03:23:53,021 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 74 treesize of output 28 [2023-11-29 03:23:53,039 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 39 refuted. 0 times theorem prover too weak. 325 trivial. 0 not checked. [2023-11-29 03:23:53,040 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 03:23:53,178 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2023-11-29 03:23:53,178 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 03:23:53,178 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [784277802] [2023-11-29 03:23:53,178 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-29 03:23:53,179 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2111321959] [2023-11-29 03:23:53,179 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2111321959] provided 1 perfect and 1 imperfect interpolant sequences [2023-11-29 03:23:53,179 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-29 03:23:53,179 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [8] total 10 [2023-11-29 03:23:53,179 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [488726134] [2023-11-29 03:23:53,179 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 03:23:53,180 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-29 03:23:53,180 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 03:23:53,180 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-29 03:23:53,180 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2023-11-29 03:23:53,181 INFO L87 Difference]: Start difference. First operand 193 states and 266 transitions. Second operand has 5 states, 5 states have (on average 11.0) internal successors, (55), 5 states have internal predecessors, (55), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2023-11-29 03:23:53,599 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 03:23:53,600 INFO L93 Difference]: Finished difference Result 256 states and 351 transitions. [2023-11-29 03:23:53,600 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-29 03:23:53,600 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.0) internal successors, (55), 5 states have internal predecessors, (55), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) Word has length 122 [2023-11-29 03:23:53,601 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 03:23:53,603 INFO L225 Difference]: With dead ends: 256 [2023-11-29 03:23:53,603 INFO L226 Difference]: Without dead ends: 254 [2023-11-29 03:23:53,604 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 244 GetRequests, 234 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=29, Invalid=103, Unknown=0, NotChecked=0, Total=132 [2023-11-29 03:23:53,604 INFO L413 NwaCegarLoop]: 146 mSDtfsCounter, 96 mSDsluCounter, 339 mSDsCounter, 0 mSdLazyCounter, 204 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 96 SdHoareTripleChecker+Valid, 485 SdHoareTripleChecker+Invalid, 216 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 204 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-11-29 03:23:53,604 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [96 Valid, 485 Invalid, 216 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 204 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-11-29 03:23:53,605 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 254 states. [2023-11-29 03:23:53,674 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 254 to 253. [2023-11-29 03:23:53,675 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 253 states, 206 states have (on average 1.296116504854369) internal successors, (267), 208 states have internal predecessors, (267), 40 states have call successors, (40), 6 states have call predecessors, (40), 6 states have return successors, (40), 38 states have call predecessors, (40), 40 states have call successors, (40) [2023-11-29 03:23:53,677 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 253 states to 253 states and 347 transitions. [2023-11-29 03:23:53,677 INFO L78 Accepts]: Start accepts. Automaton has 253 states and 347 transitions. Word has length 122 [2023-11-29 03:23:53,678 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 03:23:53,678 INFO L495 AbstractCegarLoop]: Abstraction has 253 states and 347 transitions. [2023-11-29 03:23:53,678 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.0) internal successors, (55), 5 states have internal predecessors, (55), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2023-11-29 03:23:53,678 INFO L276 IsEmpty]: Start isEmpty. Operand 253 states and 347 transitions. [2023-11-29 03:23:53,680 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2023-11-29 03:23:53,680 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 03:23:53,680 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 03:23:53,687 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fde5eac-99f4-4566-8b84-c396312d1c2e/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2023-11-29 03:23:53,881 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fde5eac-99f4-4566-8b84-c396312d1c2e/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2023-11-29 03:23:53,881 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 03:23:53,881 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:23:53,881 INFO L85 PathProgramCache]: Analyzing trace with hash 124184371, now seen corresponding path program 1 times [2023-11-29 03:23:53,881 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 03:23:53,881 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1556493251] [2023-11-29 03:23:53,881 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:23:53,882 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 03:23:53,911 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-29 03:23:53,911 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1146471164] [2023-11-29 03:23:53,911 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:23:53,912 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 03:23:53,912 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fde5eac-99f4-4566-8b84-c396312d1c2e/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 03:23:53,913 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fde5eac-99f4-4566-8b84-c396312d1c2e/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 03:23:53,916 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fde5eac-99f4-4566-8b84-c396312d1c2e/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-11-29 03:23:54,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:23:54,147 INFO L262 TraceCheckSpWp]: Trace formula consists of 441 conjuncts, 39 conjunts are in the unsatisfiable core [2023-11-29 03:23:54,154 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 03:23:54,166 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 43 treesize of output 30 [2023-11-29 03:23:54,198 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 03:23:54,199 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 54 treesize of output 47 [2023-11-29 03:23:54,278 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 03:23:54,279 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 69 treesize of output 50 [2023-11-29 03:23:54,321 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 03:23:54,321 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 67 treesize of output 66 [2023-11-29 03:23:54,628 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 03:23:54,629 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 104 treesize of output 34 [2023-11-29 03:23:54,651 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2023-11-29 03:23:54,651 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 03:23:54,651 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 03:23:54,651 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1556493251] [2023-11-29 03:23:54,651 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-29 03:23:54,651 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1146471164] [2023-11-29 03:23:54,652 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1146471164] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 03:23:54,652 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 03:23:54,652 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2023-11-29 03:23:54,652 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [839367804] [2023-11-29 03:23:54,652 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 03:23:54,653 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-11-29 03:23:54,653 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 03:23:54,653 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-11-29 03:23:54,653 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2023-11-29 03:23:54,654 INFO L87 Difference]: Start difference. First operand 253 states and 347 transitions. Second operand has 9 states, 9 states have (on average 6.111111111111111) internal successors, (55), 9 states have internal predecessors, (55), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2023-11-29 03:23:58,989 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2023-11-29 03:23:59,523 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 03:23:59,523 INFO L93 Difference]: Finished difference Result 474 states and 642 transitions. [2023-11-29 03:23:59,524 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-11-29 03:23:59,524 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 6.111111111111111) internal successors, (55), 9 states have internal predecessors, (55), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) Word has length 122 [2023-11-29 03:23:59,524 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 03:23:59,526 INFO L225 Difference]: With dead ends: 474 [2023-11-29 03:23:59,526 INFO L226 Difference]: Without dead ends: 270 [2023-11-29 03:23:59,527 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 127 GetRequests, 113 SyntacticMatches, 1 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=74, Invalid=136, Unknown=0, NotChecked=0, Total=210 [2023-11-29 03:23:59,528 INFO L413 NwaCegarLoop]: 145 mSDtfsCounter, 257 mSDsluCounter, 498 mSDsCounter, 0 mSdLazyCounter, 426 mSolverCounterSat, 55 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 257 SdHoareTripleChecker+Valid, 643 SdHoareTripleChecker+Invalid, 482 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 55 IncrementalHoareTripleChecker+Valid, 426 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.7s IncrementalHoareTripleChecker+Time [2023-11-29 03:23:59,528 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [257 Valid, 643 Invalid, 482 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [55 Valid, 426 Invalid, 1 Unknown, 0 Unchecked, 4.7s Time] [2023-11-29 03:23:59,529 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 270 states. [2023-11-29 03:23:59,570 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 270 to 253. [2023-11-29 03:23:59,571 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 253 states, 206 states have (on average 1.2864077669902914) internal successors, (265), 208 states have internal predecessors, (265), 40 states have call successors, (40), 6 states have call predecessors, (40), 6 states have return successors, (40), 38 states have call predecessors, (40), 40 states have call successors, (40) [2023-11-29 03:23:59,573 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 253 states to 253 states and 345 transitions. [2023-11-29 03:23:59,573 INFO L78 Accepts]: Start accepts. Automaton has 253 states and 345 transitions. Word has length 122 [2023-11-29 03:23:59,573 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 03:23:59,574 INFO L495 AbstractCegarLoop]: Abstraction has 253 states and 345 transitions. [2023-11-29 03:23:59,574 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 6.111111111111111) internal successors, (55), 9 states have internal predecessors, (55), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2023-11-29 03:23:59,574 INFO L276 IsEmpty]: Start isEmpty. Operand 253 states and 345 transitions. [2023-11-29 03:23:59,575 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2023-11-29 03:23:59,575 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 03:23:59,575 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 03:23:59,582 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fde5eac-99f4-4566-8b84-c396312d1c2e/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2023-11-29 03:23:59,781 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fde5eac-99f4-4566-8b84-c396312d1c2e/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2023-11-29 03:23:59,782 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 03:23:59,782 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:23:59,782 INFO L85 PathProgramCache]: Analyzing trace with hash 181442673, now seen corresponding path program 1 times [2023-11-29 03:23:59,782 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 03:23:59,782 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [689752055] [2023-11-29 03:23:59,783 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:23:59,783 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 03:23:59,809 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-29 03:23:59,810 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [673818994] [2023-11-29 03:23:59,810 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:23:59,810 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 03:23:59,810 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fde5eac-99f4-4566-8b84-c396312d1c2e/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 03:23:59,811 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fde5eac-99f4-4566-8b84-c396312d1c2e/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 03:23:59,827 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fde5eac-99f4-4566-8b84-c396312d1c2e/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-11-29 03:24:00,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 03:24:00,373 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-29 03:24:00,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 03:24:00,875 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-29 03:24:00,875 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-29 03:24:00,876 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-29 03:24:00,888 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fde5eac-99f4-4566-8b84-c396312d1c2e/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2023-11-29 03:24:01,084 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fde5eac-99f4-4566-8b84-c396312d1c2e/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2023-11-29 03:24:01,087 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 03:24:01,090 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-29 03:24:01,125 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem34 could not be translated [2023-11-29 03:24:01,126 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem35 could not be translated [2023-11-29 03:24:01,126 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem37 could not be translated [2023-11-29 03:24:01,126 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem38 could not be translated [2023-11-29 03:24:01,127 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem40 could not be translated [2023-11-29 03:24:01,128 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem41 could not be translated [2023-11-29 03:24:01,128 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem43 could not be translated [2023-11-29 03:24:01,129 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem44 could not be translated [2023-11-29 03:24:01,129 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem46 could not be translated [2023-11-29 03:24:01,129 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem47 could not be translated [2023-11-29 03:24:01,129 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem46 could not be translated [2023-11-29 03:24:01,129 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem46 could not be translated [2023-11-29 03:24:01,129 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short48 could not be translated [2023-11-29 03:24:01,130 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem47 could not be translated [2023-11-29 03:24:01,130 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short52 could not be translated [2023-11-29 03:24:01,130 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem47 could not be translated [2023-11-29 03:24:01,130 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem46 could not be translated [2023-11-29 03:24:01,131 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short52 could not be translated [2023-11-29 03:24:01,131 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short48 could not be translated [2023-11-29 03:24:01,131 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem54 could not be translated [2023-11-29 03:24:01,131 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem55 could not be translated [2023-11-29 03:24:01,132 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem54 could not be translated [2023-11-29 03:24:01,132 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short60 could not be translated [2023-11-29 03:24:01,132 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem55 could not be translated [2023-11-29 03:24:01,132 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem54 could not be translated [2023-11-29 03:24:01,132 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short56 could not be translated [2023-11-29 03:24:01,133 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short56 could not be translated [2023-11-29 03:24:01,133 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short60 could not be translated [2023-11-29 03:24:01,133 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem54 could not be translated [2023-11-29 03:24:01,133 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem55 could not be translated [2023-11-29 03:24:01,133 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem62 could not be translated [2023-11-29 03:24:01,134 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem63 could not be translated [2023-11-29 03:24:01,134 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem62 could not be translated [2023-11-29 03:24:01,134 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem63 could not be translated [2023-11-29 03:24:01,134 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short68 could not be translated [2023-11-29 03:24:01,134 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short64 could not be translated [2023-11-29 03:24:01,134 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem62 could not be translated [2023-11-29 03:24:01,135 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem62 could not be translated [2023-11-29 03:24:01,135 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short68 could not be translated [2023-11-29 03:24:01,135 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short64 could not be translated [2023-11-29 03:24:01,135 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem63 could not be translated [2023-11-29 03:24:01,135 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem70 could not be translated [2023-11-29 03:24:01,136 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem70 could not be translated [2023-11-29 03:24:01,136 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem71 could not be translated [2023-11-29 03:24:01,136 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem70 could not be translated [2023-11-29 03:24:01,136 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short76 could not be translated [2023-11-29 03:24:01,136 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem71 could not be translated [2023-11-29 03:24:01,137 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short72 could not be translated [2023-11-29 03:24:01,137 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short72 could not be translated [2023-11-29 03:24:01,137 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem70 could not be translated [2023-11-29 03:24:01,137 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem71 could not be translated [2023-11-29 03:24:01,138 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short76 could not be translated [2023-11-29 03:24:01,138 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem78 could not be translated [2023-11-29 03:24:01,139 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem79 could not be translated [2023-11-29 03:24:01,139 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem88 could not be translated [2023-11-29 03:24:01,139 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem81 could not be translated [2023-11-29 03:24:01,140 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem80 could not be translated [2023-11-29 03:24:01,140 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ite90 could not be translated [2023-11-29 03:24:01,140 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem89 could not be translated [2023-11-29 03:24:01,140 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ite90 could not be translated [2023-11-29 03:24:01,140 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem88 could not be translated [2023-11-29 03:24:01,141 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short105 could not be translated [2023-11-29 03:24:01,141 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem80 could not be translated [2023-11-29 03:24:01,141 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem81 could not be translated [2023-11-29 03:24:01,141 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem89 could not be translated [2023-11-29 03:24:01,141 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem92 could not be translated [2023-11-29 03:24:01,142 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem91 could not be translated [2023-11-29 03:24:01,142 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short105 could not be translated [2023-11-29 03:24:01,142 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem80 could not be translated [2023-11-29 03:24:01,142 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ite104 could not be translated [2023-11-29 03:24:01,142 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem103 could not be translated [2023-11-29 03:24:01,142 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem102 could not be translated [2023-11-29 03:24:01,142 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem81 could not be translated [2023-11-29 03:24:01,143 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem93 could not be translated [2023-11-29 03:24:01,143 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem89 could not be translated [2023-11-29 03:24:01,143 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem94 could not be translated [2023-11-29 03:24:01,143 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem88 could not be translated [2023-11-29 03:24:01,143 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ite90 could not be translated [2023-11-29 03:24:01,144 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem94 could not be translated [2023-11-29 03:24:01,144 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem91 could not be translated [2023-11-29 03:24:01,144 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem81 could not be translated [2023-11-29 03:24:01,144 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ite104 could not be translated [2023-11-29 03:24:01,144 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem92 could not be translated [2023-11-29 03:24:01,144 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short105 could not be translated [2023-11-29 03:24:01,144 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem89 could not be translated [2023-11-29 03:24:01,145 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem93 could not be translated [2023-11-29 03:24:01,145 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem102 could not be translated [2023-11-29 03:24:01,145 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem103 could not be translated [2023-11-29 03:24:01,145 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem80 could not be translated [2023-11-29 03:24:01,145 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ite90 could not be translated [2023-11-29 03:24:01,145 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem88 could not be translated [2023-11-29 03:24:01,146 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ite90 could not be translated [2023-11-29 03:24:01,146 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ite104 could not be translated [2023-11-29 03:24:01,146 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem89 could not be translated [2023-11-29 03:24:01,146 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem88 could not be translated [2023-11-29 03:24:01,146 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem94 could not be translated [2023-11-29 03:24:01,147 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem80 could not be translated [2023-11-29 03:24:01,147 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem103 could not be translated [2023-11-29 03:24:01,147 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem81 could not be translated [2023-11-29 03:24:01,147 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem92 could not be translated [2023-11-29 03:24:01,147 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem91 could not be translated [2023-11-29 03:24:01,147 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short118 could not be translated [2023-11-29 03:24:01,147 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short105 could not be translated [2023-11-29 03:24:01,148 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem93 could not be translated [2023-11-29 03:24:01,148 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem102 could not be translated [2023-11-29 03:24:01,148 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem116 could not be translated [2023-11-29 03:24:01,148 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short118 could not be translated [2023-11-29 03:24:01,149 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem102 could not be translated [2023-11-29 03:24:01,149 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem80 could not be translated [2023-11-29 03:24:01,149 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem115 could not be translated [2023-11-29 03:24:01,149 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem107 could not be translated [2023-11-29 03:24:01,149 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem113 could not be translated [2023-11-29 03:24:01,149 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem106 could not be translated [2023-11-29 03:24:01,149 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ite117 could not be translated [2023-11-29 03:24:01,149 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem93 could not be translated [2023-11-29 03:24:01,149 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem94 could not be translated [2023-11-29 03:24:01,149 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem91 could not be translated [2023-11-29 03:24:01,149 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem88 could not be translated [2023-11-29 03:24:01,149 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem89 could not be translated [2023-11-29 03:24:01,150 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ite90 could not be translated [2023-11-29 03:24:01,150 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ite104 could not be translated [2023-11-29 03:24:01,150 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem103 could not be translated [2023-11-29 03:24:01,150 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem114 could not be translated [2023-11-29 03:24:01,150 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem81 could not be translated [2023-11-29 03:24:01,150 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short105 could not be translated [2023-11-29 03:24:01,150 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem92 could not be translated [2023-11-29 03:24:01,150 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem94 could not be translated [2023-11-29 03:24:01,150 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short105 could not be translated [2023-11-29 03:24:01,150 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ite90 could not be translated [2023-11-29 03:24:01,151 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem106 could not be translated [2023-11-29 03:24:01,151 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem93 could not be translated [2023-11-29 03:24:01,151 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ite117 could not be translated [2023-11-29 03:24:01,151 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem89 could not be translated [2023-11-29 03:24:01,151 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem91 could not be translated [2023-11-29 03:24:01,151 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem115 could not be translated [2023-11-29 03:24:01,151 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem102 could not be translated [2023-11-29 03:24:01,151 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short118 could not be translated [2023-11-29 03:24:01,151 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem103 could not be translated [2023-11-29 03:24:01,151 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem116 could not be translated [2023-11-29 03:24:01,152 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem113 could not be translated [2023-11-29 03:24:01,152 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem88 could not be translated [2023-11-29 03:24:01,152 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem107 could not be translated [2023-11-29 03:24:01,152 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem114 could not be translated [2023-11-29 03:24:01,152 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem80 could not be translated [2023-11-29 03:24:01,152 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem92 could not be translated [2023-11-29 03:24:01,152 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem81 could not be translated [2023-11-29 03:24:01,152 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ite104 could not be translated [2023-11-29 03:24:01,152 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem89 could not be translated [2023-11-29 03:24:01,153 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem106 could not be translated [2023-11-29 03:24:01,153 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem107 could not be translated [2023-11-29 03:24:01,153 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem91 could not be translated [2023-11-29 03:24:01,153 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem116 could not be translated [2023-11-29 03:24:01,153 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem102 could not be translated [2023-11-29 03:24:01,153 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem88 could not be translated [2023-11-29 03:24:01,153 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ite117 could not be translated [2023-11-29 03:24:01,153 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem81 could not be translated [2023-11-29 03:24:01,153 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem93 could not be translated [2023-11-29 03:24:01,153 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ite90 could not be translated [2023-11-29 03:24:01,153 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short118 could not be translated [2023-11-29 03:24:01,153 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short105 could not be translated [2023-11-29 03:24:01,154 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem103 could not be translated [2023-11-29 03:24:01,154 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem115 could not be translated [2023-11-29 03:24:01,154 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem80 could not be translated [2023-11-29 03:24:01,154 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ite104 could not be translated [2023-11-29 03:24:01,154 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem94 could not be translated [2023-11-29 03:24:01,154 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem113 could not be translated [2023-11-29 03:24:01,154 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short121 could not be translated [2023-11-29 03:24:01,154 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem114 could not be translated [2023-11-29 03:24:01,154 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem92 could not be translated [2023-11-29 03:24:01,154 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem107 could not be translated [2023-11-29 03:24:01,155 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem102 could not be translated [2023-11-29 03:24:01,155 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem91 could not be translated [2023-11-29 03:24:01,155 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem106 could not be translated [2023-11-29 03:24:01,155 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem80 could not be translated [2023-11-29 03:24:01,155 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem119 could not be translated [2023-11-29 03:24:01,155 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem88 could not be translated [2023-11-29 03:24:01,155 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem93 could not be translated [2023-11-29 03:24:01,155 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short118 could not be translated [2023-11-29 03:24:01,155 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem92 could not be translated [2023-11-29 03:24:01,155 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short105 could not be translated [2023-11-29 03:24:01,155 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ite90 could not be translated [2023-11-29 03:24:01,156 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ite104 could not be translated [2023-11-29 03:24:01,156 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem116 could not be translated [2023-11-29 03:24:01,156 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem94 could not be translated [2023-11-29 03:24:01,156 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem113 could not be translated [2023-11-29 03:24:01,156 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem115 could not be translated [2023-11-29 03:24:01,156 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ite117 could not be translated [2023-11-29 03:24:01,156 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem120 could not be translated [2023-11-29 03:24:01,156 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem81 could not be translated [2023-11-29 03:24:01,156 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem114 could not be translated [2023-11-29 03:24:01,156 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem89 could not be translated [2023-11-29 03:24:01,156 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem103 could not be translated [2023-11-29 03:24:01,157 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short124 could not be translated [2023-11-29 03:24:01,157 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short105 could not be translated [2023-11-29 03:24:01,157 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem116 could not be translated [2023-11-29 03:24:01,157 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem103 could not be translated [2023-11-29 03:24:01,157 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem91 could not be translated [2023-11-29 03:24:01,157 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem120 could not be translated [2023-11-29 03:24:01,157 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem119 could not be translated [2023-11-29 03:24:01,157 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short121 could not be translated [2023-11-29 03:24:01,157 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem81 could not be translated [2023-11-29 03:24:01,157 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem106 could not be translated [2023-11-29 03:24:01,158 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem93 could not be translated [2023-11-29 03:24:01,158 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ite90 could not be translated [2023-11-29 03:24:01,158 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short118 could not be translated [2023-11-29 03:24:01,158 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem113 could not be translated [2023-11-29 03:24:01,158 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem89 could not be translated [2023-11-29 03:24:01,158 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem102 could not be translated [2023-11-29 03:24:01,158 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem92 could not be translated [2023-11-29 03:24:01,158 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem88 could not be translated [2023-11-29 03:24:01,158 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ite104 could not be translated [2023-11-29 03:24:01,158 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem80 could not be translated [2023-11-29 03:24:01,158 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem114 could not be translated [2023-11-29 03:24:01,158 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem94 could not be translated [2023-11-29 03:24:01,159 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ite117 could not be translated [2023-11-29 03:24:01,159 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem115 could not be translated [2023-11-29 03:24:01,159 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem107 could not be translated [2023-11-29 03:24:01,159 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem92 could not be translated [2023-11-29 03:24:01,159 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem116 could not be translated [2023-11-29 03:24:01,159 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short124 could not be translated [2023-11-29 03:24:01,159 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ite90 could not be translated [2023-11-29 03:24:01,159 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem102 could not be translated [2023-11-29 03:24:01,159 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem115 could not be translated [2023-11-29 03:24:01,160 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem88 could not be translated [2023-11-29 03:24:01,160 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem91 could not be translated [2023-11-29 03:24:01,160 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem106 could not be translated [2023-11-29 03:24:01,160 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem81 could not be translated [2023-11-29 03:24:01,160 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem93 could not be translated [2023-11-29 03:24:01,160 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem114 could not be translated [2023-11-29 03:24:01,160 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem89 could not be translated [2023-11-29 03:24:01,160 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short105 could not be translated [2023-11-29 03:24:01,160 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short121 could not be translated [2023-11-29 03:24:01,160 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem103 could not be translated [2023-11-29 03:24:01,160 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short127 could not be translated [2023-11-29 03:24:01,160 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ite117 could not be translated [2023-11-29 03:24:01,161 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem119 could not be translated [2023-11-29 03:24:01,161 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem94 could not be translated [2023-11-29 03:24:01,161 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem120 could not be translated [2023-11-29 03:24:01,161 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem113 could not be translated [2023-11-29 03:24:01,161 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem107 could not be translated [2023-11-29 03:24:01,161 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ite104 could not be translated [2023-11-29 03:24:01,161 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short118 could not be translated [2023-11-29 03:24:01,161 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem80 could not be translated [2023-11-29 03:24:01,182 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.11 03:24:01 BoogieIcfgContainer [2023-11-29 03:24:01,182 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-29 03:24:01,182 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-29 03:24:01,182 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-29 03:24:01,182 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-29 03:24:01,183 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 03:23:30" (3/4) ... [2023-11-29 03:24:01,184 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-29 03:24:01,185 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-29 03:24:01,186 INFO L158 Benchmark]: Toolchain (without parser) took 31799.42ms. Allocated memory was 151.0MB in the beginning and 318.8MB in the end (delta: 167.8MB). Free memory was 111.8MB in the beginning and 169.0MB in the end (delta: -57.2MB). Peak memory consumption was 113.2MB. Max. memory is 16.1GB. [2023-11-29 03:24:01,186 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 151.0MB. Free memory was 123.5MB in the beginning and 123.3MB in the end (delta: 194.5kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-29 03:24:01,186 INFO L158 Benchmark]: CACSL2BoogieTranslator took 298.21ms. Allocated memory is still 151.0MB. Free memory was 111.8MB in the beginning and 95.6MB in the end (delta: 16.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-11-29 03:24:01,187 INFO L158 Benchmark]: Boogie Procedure Inliner took 62.48ms. Allocated memory is still 151.0MB. Free memory was 95.6MB in the beginning and 91.9MB in the end (delta: 3.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-29 03:24:01,187 INFO L158 Benchmark]: Boogie Preprocessor took 78.27ms. Allocated memory is still 151.0MB. Free memory was 91.9MB in the beginning and 87.2MB in the end (delta: 4.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-29 03:24:01,187 INFO L158 Benchmark]: RCFGBuilder took 629.43ms. Allocated memory is still 151.0MB. Free memory was 87.2MB in the beginning and 57.3MB in the end (delta: 29.9MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. [2023-11-29 03:24:01,188 INFO L158 Benchmark]: TraceAbstraction took 30720.80ms. Allocated memory was 151.0MB in the beginning and 318.8MB in the end (delta: 167.8MB). Free memory was 56.8MB in the beginning and 169.0MB in the end (delta: -112.2MB). Peak memory consumption was 58.7MB. Max. memory is 16.1GB. [2023-11-29 03:24:01,188 INFO L158 Benchmark]: Witness Printer took 3.20ms. Allocated memory is still 318.8MB. Free memory is still 169.0MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-29 03:24:01,190 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17ms. Allocated memory is still 151.0MB. Free memory was 123.5MB in the beginning and 123.3MB in the end (delta: 194.5kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 298.21ms. Allocated memory is still 151.0MB. Free memory was 111.8MB in the beginning and 95.6MB in the end (delta: 16.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 62.48ms. Allocated memory is still 151.0MB. Free memory was 95.6MB in the beginning and 91.9MB in the end (delta: 3.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 78.27ms. Allocated memory is still 151.0MB. Free memory was 91.9MB in the beginning and 87.2MB in the end (delta: 4.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 629.43ms. Allocated memory is still 151.0MB. Free memory was 87.2MB in the beginning and 57.3MB in the end (delta: 29.9MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. * TraceAbstraction took 30720.80ms. Allocated memory was 151.0MB in the beginning and 318.8MB in the end (delta: 167.8MB). Free memory was 56.8MB in the beginning and 169.0MB in the end (delta: -112.2MB). Peak memory consumption was 58.7MB. Max. memory is 16.1GB. * Witness Printer took 3.20ms. Allocated memory is still 318.8MB. Free memory is still 169.0MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem34 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem35 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem37 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem38 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem40 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem41 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem43 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem44 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem46 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem47 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem46 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem46 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short48 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem47 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short52 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem47 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem46 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short52 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short48 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem54 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem55 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem54 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short60 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem55 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem54 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short56 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short56 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short60 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem54 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem55 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem62 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem63 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem62 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem63 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short68 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short64 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem62 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem62 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short68 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short64 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem63 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem70 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem70 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem71 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem70 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short76 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem71 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short72 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short72 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem70 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem71 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short76 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem78 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem79 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem88 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem81 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem80 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ite90 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem89 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ite90 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem88 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short105 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem80 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem81 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem89 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem92 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem91 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short105 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem80 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ite104 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem103 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem102 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem81 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem93 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem89 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem94 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem88 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ite90 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem94 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem91 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem81 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ite104 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem92 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short105 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem89 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem93 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem102 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem103 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem80 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ite90 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem88 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ite90 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ite104 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem89 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem88 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem94 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem80 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem103 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem81 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem92 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem91 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short118 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short105 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem93 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem102 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem116 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short118 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem102 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem80 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem115 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem107 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem113 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem106 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ite117 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem93 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem94 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem91 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem88 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem89 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ite90 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ite104 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem103 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem114 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem81 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short105 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem92 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem94 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short105 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ite90 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem106 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem93 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ite117 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem89 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem91 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem115 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem102 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short118 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem103 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem116 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem113 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem88 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem107 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem114 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem80 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem92 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem81 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ite104 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem89 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem106 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem107 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem91 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem116 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem102 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem88 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ite117 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem81 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem93 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ite90 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short118 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short105 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem103 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem115 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem80 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ite104 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem94 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem113 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short121 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem114 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem92 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem107 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem102 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem91 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem106 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem80 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem119 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem88 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem93 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short118 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem92 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short105 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ite90 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ite104 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem116 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem94 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem113 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem115 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ite117 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem120 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem81 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem114 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem89 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem103 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short124 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short105 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem116 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem103 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem91 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem120 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem119 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short121 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem81 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem106 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem93 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ite90 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short118 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem113 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem89 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem102 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem92 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem88 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ite104 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem80 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem114 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem94 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ite117 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem115 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem107 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem92 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem116 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short124 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ite90 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem102 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem115 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem88 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem91 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem106 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem81 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem93 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem114 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem89 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short105 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short121 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem103 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short127 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ite117 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem119 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem94 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem120 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem113 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem107 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ite104 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short118 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem80 could not be translated - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 114, overapproximation of someBinaryArithmeticFLOAToperation at line 78. Possible FailurePath: [L39] unsigned char isInitial = 0; [L40-L56] struct WrapperStruct00 WrapperStruct00 = { 0, 0, 0, 0, 0, 64, 2.4, 127.75, 0.0, 31.4, 256.75, 256.6, 0, 32, 100 }; [L40-L56] struct WrapperStruct00 WrapperStruct00 = { 0, 0, 0, 0, 0, 64, 2.4, 127.75, 0.0, 31.4, 256.75, 256.6, 0, 32, 100 }; [L40-L56] struct WrapperStruct00 WrapperStruct00 = { 0, 0, 0, 0, 0, 64, 2.4, 127.75, 0.0, 31.4, 256.75, 256.6, 0, 32, 100 }; [L40-L56] struct WrapperStruct00 WrapperStruct00 = { 0, 0, 0, 0, 0, 64, 2.4, 127.75, 0.0, 31.4, 256.75, 256.6, 0, 32, 100 }; [L40-L56] struct WrapperStruct00 WrapperStruct00 = { 0, 0, 0, 0, 0, 64, 2.4, 127.75, 0.0, 31.4, 256.75, 256.6, 0, 32, 100 }; [L40-L56] struct WrapperStruct00 WrapperStruct00 = { 0, 0, 0, 0, 0, 64, 2.4, 127.75, 0.0, 31.4, 256.75, 256.6, 0, 32, 100 }; [L40-L56] struct WrapperStruct00 WrapperStruct00 = { 0, 0, 0, 0, 0, 64, 2.4, 127.75, 0.0, 31.4, 256.75, 256.6, 0, 32, 100 }; [L40-L56] struct WrapperStruct00 WrapperStruct00 = { 0, 0, 0, 0, 0, 64, 2.4, 127.75, 0.0, 31.4, 256.75, 256.6, 0, 32, 100 }; [L40-L56] struct WrapperStruct00 WrapperStruct00 = { 0, 0, 0, 0, 0, 64, 2.4, 127.75, 0.0, 31.4, 256.75, 256.6, 0, 32, 100 }; [L40-L56] struct WrapperStruct00 WrapperStruct00 = { 0, 0, 0, 0, 0, 64, 2.4, 127.75, 0.0, 31.4, 256.75, 256.6, 0, 32, 100 }; [L40-L56] struct WrapperStruct00 WrapperStruct00 = { 0, 0, 0, 0, 0, 64, 2.4, 127.75, 0.0, 31.4, 256.75, 256.6, 0, 32, 100 }; [L40-L56] struct WrapperStruct00 WrapperStruct00 = { 0, 0, 0, 0, 0, 64, 2.4, 127.75, 0.0, 31.4, 256.75, 256.6, 0, 32, 100 }; [L40-L56] struct WrapperStruct00 WrapperStruct00 = { 0, 0, 0, 0, 0, 64, 2.4, 127.75, 0.0, 31.4, 256.75, 256.6, 0, 32, 100 }; [L40-L56] struct WrapperStruct00 WrapperStruct00 = { 0, 0, 0, 0, 0, 64, 2.4, 127.75, 0.0, 31.4, 256.75, 256.6, 0, 32, 100 }; [L40-L56] struct WrapperStruct00 WrapperStruct00 = { 0, 0, 0, 0, 0, 64, 2.4, 127.75, 0.0, 31.4, 256.75, 256.6, 0, 32, 100 }; [L40-L56] struct WrapperStruct00 WrapperStruct00 = { 0, 0, 0, 0, 0, 64, 2.4, 127.75, 0.0, 31.4, 256.75, 256.6, 0, 32, 100 }; [L118] isInitial = 1 [L119] FCALL initially() [L120] COND TRUE 1 [L121] FCALL updateLastVariables() [L122] CALL updateVariables() [L87] WrapperStruct00.var_1_4 = __VERIFIER_nondet_uchar() [L88] EXPR WrapperStruct00.var_1_4 VAL [WrapperStruct00={4:0}, isInitial=1] [L88] CALL assume_abort_if_not(WrapperStruct00.var_1_4 >= 0) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, \old(cond)=1, cond=1, isInitial=1] [L88] RET assume_abort_if_not(WrapperStruct00.var_1_4 >= 0) VAL [WrapperStruct00={4:0}, isInitial=1] [L89] EXPR WrapperStruct00.var_1_4 VAL [WrapperStruct00={4:0}, isInitial=1] [L89] CALL assume_abort_if_not(WrapperStruct00.var_1_4 <= 0) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, \old(cond)=1, cond=1, isInitial=1] [L89] RET assume_abort_if_not(WrapperStruct00.var_1_4 <= 0) VAL [WrapperStruct00={4:0}, isInitial=1] [L90] WrapperStruct00.var_1_5 = __VERIFIER_nondet_uchar() [L91] EXPR WrapperStruct00.var_1_5 VAL [WrapperStruct00={4:0}, isInitial=1] [L91] CALL assume_abort_if_not(WrapperStruct00.var_1_5 >= 0) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, \old(cond)=1, cond=1, isInitial=1] [L91] RET assume_abort_if_not(WrapperStruct00.var_1_5 >= 0) VAL [WrapperStruct00={4:0}, isInitial=1] [L92] EXPR WrapperStruct00.var_1_5 VAL [WrapperStruct00={4:0}, isInitial=1] [L92] CALL assume_abort_if_not(WrapperStruct00.var_1_5 <= 0) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, \old(cond)=1, cond=1, isInitial=1] [L92] RET assume_abort_if_not(WrapperStruct00.var_1_5 <= 0) VAL [WrapperStruct00={4:0}, isInitial=1] [L93] WrapperStruct00.var_1_6 = __VERIFIER_nondet_uchar() [L94] EXPR WrapperStruct00.var_1_6 VAL [WrapperStruct00={4:0}, isInitial=1] [L94] CALL assume_abort_if_not(WrapperStruct00.var_1_6 >= 0) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, \old(cond)=1, cond=1, isInitial=1] [L94] RET assume_abort_if_not(WrapperStruct00.var_1_6 >= 0) VAL [WrapperStruct00={4:0}, isInitial=1] [L95] EXPR WrapperStruct00.var_1_6 VAL [WrapperStruct00={4:0}, isInitial=1] [L95] CALL assume_abort_if_not(WrapperStruct00.var_1_6 <= 0) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, \old(cond)=1, cond=1, isInitial=1] [L95] RET assume_abort_if_not(WrapperStruct00.var_1_6 <= 0) VAL [WrapperStruct00={4:0}, isInitial=1] [L96] WrapperStruct00.var_1_7 = __VERIFIER_nondet_uchar() [L97] EXPR WrapperStruct00.var_1_7 VAL [WrapperStruct00={4:0}, isInitial=1] [L97] CALL assume_abort_if_not(WrapperStruct00.var_1_7 >= 1) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, \old(cond)=1, cond=1, isInitial=1] [L97] RET assume_abort_if_not(WrapperStruct00.var_1_7 >= 1) VAL [WrapperStruct00={4:0}, isInitial=1] [L98] EXPR WrapperStruct00.var_1_7 VAL [WrapperStruct00={4:0}, isInitial=1] [L98] CALL assume_abort_if_not(WrapperStruct00.var_1_7 <= 1) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, \old(cond)=1, cond=1, isInitial=1] [L98] RET assume_abort_if_not(WrapperStruct00.var_1_7 <= 1) VAL [WrapperStruct00={4:0}, isInitial=1] [L99] WrapperStruct00.var_1_13 = __VERIFIER_nondet_float() [L100] EXPR WrapperStruct00.var_1_13 [L100] EXPR WrapperStruct00.var_1_13 >= -461168.6018427382800e+13F && WrapperStruct00.var_1_13 <= -1.0e-20F VAL [WrapperStruct00={4:0}, isInitial=1] [L100] EXPR WrapperStruct00.var_1_13 >= -461168.6018427382800e+13F && WrapperStruct00.var_1_13 <= -1.0e-20F [L100] EXPR WrapperStruct00.var_1_13 [L100] EXPR WrapperStruct00.var_1_13 >= -461168.6018427382800e+13F && WrapperStruct00.var_1_13 <= -1.0e-20F VAL [WrapperStruct00={4:0}, isInitial=1] [L100] EXPR (WrapperStruct00.var_1_13 >= -461168.6018427382800e+13F && WrapperStruct00.var_1_13 <= -1.0e-20F) || (WrapperStruct00.var_1_13 <= 4611686.018427382800e+12F && WrapperStruct00.var_1_13 >= 1.0e-20F ) VAL [WrapperStruct00={4:0}, isInitial=1] [L100] EXPR (WrapperStruct00.var_1_13 >= -461168.6018427382800e+13F && WrapperStruct00.var_1_13 <= -1.0e-20F) || (WrapperStruct00.var_1_13 <= 4611686.018427382800e+12F && WrapperStruct00.var_1_13 >= 1.0e-20F ) VAL [WrapperStruct00={4:0}, isInitial=1] [L100] CALL assume_abort_if_not((WrapperStruct00.var_1_13 >= -461168.6018427382800e+13F && WrapperStruct00.var_1_13 <= -1.0e-20F) || (WrapperStruct00.var_1_13 <= 4611686.018427382800e+12F && WrapperStruct00.var_1_13 >= 1.0e-20F )) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, \old(cond)=1, cond=1, isInitial=1] [L100] RET assume_abort_if_not((WrapperStruct00.var_1_13 >= -461168.6018427382800e+13F && WrapperStruct00.var_1_13 <= -1.0e-20F) || (WrapperStruct00.var_1_13 <= 4611686.018427382800e+12F && WrapperStruct00.var_1_13 >= 1.0e-20F )) VAL [WrapperStruct00={4:0}, isInitial=1] [L101] WrapperStruct00.var_1_14 = __VERIFIER_nondet_float() [L102] EXPR WrapperStruct00.var_1_14 [L102] EXPR WrapperStruct00.var_1_14 >= 2305843.009213691390e+12F && WrapperStruct00.var_1_14 <= -1.0e-20F VAL [WrapperStruct00={4:0}, isInitial=1] [L102] EXPR WrapperStruct00.var_1_14 >= 2305843.009213691390e+12F && WrapperStruct00.var_1_14 <= -1.0e-20F [L102] EXPR WrapperStruct00.var_1_14 [L102] EXPR WrapperStruct00.var_1_14 >= 2305843.009213691390e+12F && WrapperStruct00.var_1_14 <= -1.0e-20F VAL [WrapperStruct00={4:0}, isInitial=1] [L102] EXPR (WrapperStruct00.var_1_14 >= 2305843.009213691390e+12F && WrapperStruct00.var_1_14 <= -1.0e-20F) || (WrapperStruct00.var_1_14 <= 4611686.018427382800e+12F && WrapperStruct00.var_1_14 >= 1.0e-20F ) VAL [WrapperStruct00={4:0}, isInitial=1] [L102] EXPR (WrapperStruct00.var_1_14 >= 2305843.009213691390e+12F && WrapperStruct00.var_1_14 <= -1.0e-20F) || (WrapperStruct00.var_1_14 <= 4611686.018427382800e+12F && WrapperStruct00.var_1_14 >= 1.0e-20F ) VAL [WrapperStruct00={4:0}, isInitial=1] [L102] CALL assume_abort_if_not((WrapperStruct00.var_1_14 >= 2305843.009213691390e+12F && WrapperStruct00.var_1_14 <= -1.0e-20F) || (WrapperStruct00.var_1_14 <= 4611686.018427382800e+12F && WrapperStruct00.var_1_14 >= 1.0e-20F )) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, \old(cond)=1, cond=1, isInitial=1] [L102] RET assume_abort_if_not((WrapperStruct00.var_1_14 >= 2305843.009213691390e+12F && WrapperStruct00.var_1_14 <= -1.0e-20F) || (WrapperStruct00.var_1_14 <= 4611686.018427382800e+12F && WrapperStruct00.var_1_14 >= 1.0e-20F )) VAL [WrapperStruct00={4:0}, isInitial=1] [L103] WrapperStruct00.var_1_15 = __VERIFIER_nondet_float() [L104] EXPR WrapperStruct00.var_1_15 [L104] EXPR WrapperStruct00.var_1_15 >= 0.0F && WrapperStruct00.var_1_15 <= -1.0e-20F VAL [WrapperStruct00={4:0}, isInitial=1] [L104] EXPR WrapperStruct00.var_1_15 >= 0.0F && WrapperStruct00.var_1_15 <= -1.0e-20F [L104] EXPR WrapperStruct00.var_1_15 [L104] EXPR WrapperStruct00.var_1_15 >= 0.0F && WrapperStruct00.var_1_15 <= -1.0e-20F VAL [WrapperStruct00={4:0}, isInitial=1] [L104] EXPR (WrapperStruct00.var_1_15 >= 0.0F && WrapperStruct00.var_1_15 <= -1.0e-20F) || (WrapperStruct00.var_1_15 <= 2305843.009213691390e+12F && WrapperStruct00.var_1_15 >= 1.0e-20F ) VAL [WrapperStruct00={4:0}, isInitial=1] [L104] EXPR (WrapperStruct00.var_1_15 >= 0.0F && WrapperStruct00.var_1_15 <= -1.0e-20F) || (WrapperStruct00.var_1_15 <= 2305843.009213691390e+12F && WrapperStruct00.var_1_15 >= 1.0e-20F ) VAL [WrapperStruct00={4:0}, isInitial=1] [L104] CALL assume_abort_if_not((WrapperStruct00.var_1_15 >= 0.0F && WrapperStruct00.var_1_15 <= -1.0e-20F) || (WrapperStruct00.var_1_15 <= 2305843.009213691390e+12F && WrapperStruct00.var_1_15 >= 1.0e-20F )) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, \old(cond)=1, cond=1, isInitial=1] [L104] RET assume_abort_if_not((WrapperStruct00.var_1_15 >= 0.0F && WrapperStruct00.var_1_15 <= -1.0e-20F) || (WrapperStruct00.var_1_15 <= 2305843.009213691390e+12F && WrapperStruct00.var_1_15 >= 1.0e-20F )) VAL [WrapperStruct00={4:0}, isInitial=1] [L105] WrapperStruct00.var_1_16 = __VERIFIER_nondet_float() [L106] EXPR WrapperStruct00.var_1_16 [L106] EXPR WrapperStruct00.var_1_16 >= 0.0F && WrapperStruct00.var_1_16 <= -1.0e-20F VAL [WrapperStruct00={4:0}, isInitial=1] [L106] EXPR WrapperStruct00.var_1_16 >= 0.0F && WrapperStruct00.var_1_16 <= -1.0e-20F [L106] EXPR WrapperStruct00.var_1_16 [L106] EXPR WrapperStruct00.var_1_16 >= 0.0F && WrapperStruct00.var_1_16 <= -1.0e-20F VAL [WrapperStruct00={4:0}, isInitial=1] [L106] EXPR (WrapperStruct00.var_1_16 >= 0.0F && WrapperStruct00.var_1_16 <= -1.0e-20F) || (WrapperStruct00.var_1_16 <= 4611686.018427382800e+12F && WrapperStruct00.var_1_16 >= 1.0e-20F ) VAL [WrapperStruct00={4:0}, isInitial=1] [L106] EXPR (WrapperStruct00.var_1_16 >= 0.0F && WrapperStruct00.var_1_16 <= -1.0e-20F) || (WrapperStruct00.var_1_16 <= 4611686.018427382800e+12F && WrapperStruct00.var_1_16 >= 1.0e-20F ) VAL [WrapperStruct00={4:0}, isInitial=1] [L106] CALL assume_abort_if_not((WrapperStruct00.var_1_16 >= 0.0F && WrapperStruct00.var_1_16 <= -1.0e-20F) || (WrapperStruct00.var_1_16 <= 4611686.018427382800e+12F && WrapperStruct00.var_1_16 >= 1.0e-20F )) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, \old(cond)=1, cond=1, isInitial=1] [L106] RET assume_abort_if_not((WrapperStruct00.var_1_16 >= 0.0F && WrapperStruct00.var_1_16 <= -1.0e-20F) || (WrapperStruct00.var_1_16 <= 4611686.018427382800e+12F && WrapperStruct00.var_1_16 >= 1.0e-20F )) VAL [WrapperStruct00={4:0}, isInitial=1] [L107] WrapperStruct00.var_1_20 = __VERIFIER_nondet_uchar() [L108] EXPR WrapperStruct00.var_1_20 VAL [WrapperStruct00={4:0}, isInitial=1] [L108] CALL assume_abort_if_not(WrapperStruct00.var_1_20 >= 0) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, \old(cond)=1, cond=1, isInitial=1] [L108] RET assume_abort_if_not(WrapperStruct00.var_1_20 >= 0) VAL [WrapperStruct00={4:0}, isInitial=1] [L109] EXPR WrapperStruct00.var_1_20 VAL [WrapperStruct00={4:0}, isInitial=1] [L109] CALL assume_abort_if_not(WrapperStruct00.var_1_20 <= 254) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, \old(cond)=1, cond=1, isInitial=1] [L109] RET assume_abort_if_not(WrapperStruct00.var_1_20 <= 254) VAL [WrapperStruct00={4:0}, isInitial=1] [L122] RET updateVariables() [L123] CALL step() [L60] EXPR WrapperStruct00.var_1_14 [L60] WrapperStruct00.var_1_17 = WrapperStruct00.var_1_14 [L61] EXPR WrapperStruct00.var_1_20 [L61] WrapperStruct00.var_1_19 = WrapperStruct00.var_1_20 [L62] EXPR WrapperStruct00.var_1_19 [L62] WrapperStruct00.var_1_18 = WrapperStruct00.var_1_19 [L63] EXPR WrapperStruct00.var_1_19 [L63] unsigned char stepLocal_1 = WrapperStruct00.var_1_19; [L64] EXPR WrapperStruct00.var_1_18 [L64] EXPR WrapperStruct00.var_1_18 [L64] EXPR WrapperStruct00.var_1_19 [L64] EXPR WrapperStruct00.var_1_19 [L64] signed long int stepLocal_0 = (WrapperStruct00.var_1_18 * WrapperStruct00.var_1_18) * (WrapperStruct00.var_1_19 - WrapperStruct00.var_1_19); [L65] COND FALSE !(stepLocal_0 >= 1u) [L72] EXPR WrapperStruct00.var_1_19 [L72] WrapperStruct00.var_1_8 = WrapperStruct00.var_1_19 [L74] EXPR WrapperStruct00.var_1_8 [L74] signed long int stepLocal_2 = WrapperStruct00.var_1_8; [L75] EXPR WrapperStruct00.var_1_19 VAL [WrapperStruct00={4:0}, isInitial=1] [L75] COND FALSE !(WrapperStruct00.var_1_19 > stepLocal_2) [L78] EXPR WrapperStruct00.var_1_16 [L78] EXPR WrapperStruct00.var_1_14 [L78] EXPR WrapperStruct00.var_1_15 [L78] WrapperStruct00.var_1_12 = (WrapperStruct00.var_1_16 - (WrapperStruct00.var_1_14 + WrapperStruct00.var_1_15)) [L80] EXPR WrapperStruct00.var_1_18 [L80] EXPR WrapperStruct00.var_1_8 VAL [WrapperStruct00={4:0}, isInitial=1] [L80] COND FALSE !(WrapperStruct00.var_1_18 >= (8u * WrapperStruct00.var_1_8)) [L83] EXPR WrapperStruct00.var_1_7 [L83] WrapperStruct00.var_1_1 = WrapperStruct00.var_1_7 [L123] RET step() [L124] CALL, EXPR property() [L114] EXPR WrapperStruct00.var_1_18 [L114] EXPR WrapperStruct00.var_1_8 VAL [WrapperStruct00={4:0}, isInitial=1] [L114] EXPR (WrapperStruct00.var_1_18 >= (8u * WrapperStruct00.var_1_8)) ? (WrapperStruct00.var_1_1 == ((unsigned char) (! (WrapperStruct00.var_1_4 || (WrapperStruct00.var_1_5 || WrapperStruct00.var_1_6))))) : (WrapperStruct00.var_1_1 == ((unsigned char) WrapperStruct00.var_1_7)) [L114] EXPR WrapperStruct00.var_1_1 [L114] EXPR WrapperStruct00.var_1_7 [L114] EXPR (WrapperStruct00.var_1_18 >= (8u * WrapperStruct00.var_1_8)) ? (WrapperStruct00.var_1_1 == ((unsigned char) (! (WrapperStruct00.var_1_4 || (WrapperStruct00.var_1_5 || WrapperStruct00.var_1_6))))) : (WrapperStruct00.var_1_1 == ((unsigned char) WrapperStruct00.var_1_7)) VAL [WrapperStruct00={4:0}, isInitial=1] [L114] EXPR ((WrapperStruct00.var_1_18 >= (8u * WrapperStruct00.var_1_8)) ? (WrapperStruct00.var_1_1 == ((unsigned char) (! (WrapperStruct00.var_1_4 || (WrapperStruct00.var_1_5 || WrapperStruct00.var_1_6))))) : (WrapperStruct00.var_1_1 == ((unsigned char) WrapperStruct00.var_1_7))) && ((((WrapperStruct00.var_1_18 * WrapperStruct00.var_1_18) * (WrapperStruct00.var_1_19 - WrapperStruct00.var_1_19)) >= 1u) ? ((WrapperStruct00.var_1_18 <= WrapperStruct00.var_1_19) ? (WrapperStruct00.var_1_8 == ((signed long int) WrapperStruct00.var_1_19)) : (WrapperStruct00.var_1_8 == ((signed long int) WrapperStruct00.var_1_19))) : (WrapperStruct00.var_1_8 == ((signed long int) WrapperStruct00.var_1_19))) VAL [WrapperStruct00={4:0}, isInitial=1] [L114] EXPR ((WrapperStruct00.var_1_18 >= (8u * WrapperStruct00.var_1_8)) ? (WrapperStruct00.var_1_1 == ((unsigned char) (! (WrapperStruct00.var_1_4 || (WrapperStruct00.var_1_5 || WrapperStruct00.var_1_6))))) : (WrapperStruct00.var_1_1 == ((unsigned char) WrapperStruct00.var_1_7))) && ((((WrapperStruct00.var_1_18 * WrapperStruct00.var_1_18) * (WrapperStruct00.var_1_19 - WrapperStruct00.var_1_19)) >= 1u) ? ((WrapperStruct00.var_1_18 <= WrapperStruct00.var_1_19) ? (WrapperStruct00.var_1_8 == ((signed long int) WrapperStruct00.var_1_19)) : (WrapperStruct00.var_1_8 == ((signed long int) WrapperStruct00.var_1_19))) : (WrapperStruct00.var_1_8 == ((signed long int) WrapperStruct00.var_1_19))) [L114] EXPR WrapperStruct00.var_1_18 [L114] EXPR WrapperStruct00.var_1_18 [L114] EXPR WrapperStruct00.var_1_19 [L114] EXPR WrapperStruct00.var_1_19 VAL [WrapperStruct00={4:0}, isInitial=1] [L114] EXPR (((WrapperStruct00.var_1_18 * WrapperStruct00.var_1_18) * (WrapperStruct00.var_1_19 - WrapperStruct00.var_1_19)) >= 1u) ? ((WrapperStruct00.var_1_18 <= WrapperStruct00.var_1_19) ? (WrapperStruct00.var_1_8 == ((signed long int) WrapperStruct00.var_1_19)) : (WrapperStruct00.var_1_8 == ((signed long int) WrapperStruct00.var_1_19))) : (WrapperStruct00.var_1_8 == ((signed long int) WrapperStruct00.var_1_19)) [L114] EXPR WrapperStruct00.var_1_8 [L114] EXPR WrapperStruct00.var_1_19 [L114] EXPR (((WrapperStruct00.var_1_18 * WrapperStruct00.var_1_18) * (WrapperStruct00.var_1_19 - WrapperStruct00.var_1_19)) >= 1u) ? ((WrapperStruct00.var_1_18 <= WrapperStruct00.var_1_19) ? (WrapperStruct00.var_1_8 == ((signed long int) WrapperStruct00.var_1_19)) : (WrapperStruct00.var_1_8 == ((signed long int) WrapperStruct00.var_1_19))) : (WrapperStruct00.var_1_8 == ((signed long int) WrapperStruct00.var_1_19)) VAL [WrapperStruct00={4:0}, isInitial=1] [L114] EXPR ((WrapperStruct00.var_1_18 >= (8u * WrapperStruct00.var_1_8)) ? (WrapperStruct00.var_1_1 == ((unsigned char) (! (WrapperStruct00.var_1_4 || (WrapperStruct00.var_1_5 || WrapperStruct00.var_1_6))))) : (WrapperStruct00.var_1_1 == ((unsigned char) WrapperStruct00.var_1_7))) && ((((WrapperStruct00.var_1_18 * WrapperStruct00.var_1_18) * (WrapperStruct00.var_1_19 - WrapperStruct00.var_1_19)) >= 1u) ? ((WrapperStruct00.var_1_18 <= WrapperStruct00.var_1_19) ? (WrapperStruct00.var_1_8 == ((signed long int) WrapperStruct00.var_1_19)) : (WrapperStruct00.var_1_8 == ((signed long int) WrapperStruct00.var_1_19))) : (WrapperStruct00.var_1_8 == ((signed long int) WrapperStruct00.var_1_19))) VAL [WrapperStruct00={4:0}, isInitial=1] [L114] EXPR (((WrapperStruct00.var_1_18 >= (8u * WrapperStruct00.var_1_8)) ? (WrapperStruct00.var_1_1 == ((unsigned char) (! (WrapperStruct00.var_1_4 || (WrapperStruct00.var_1_5 || WrapperStruct00.var_1_6))))) : (WrapperStruct00.var_1_1 == ((unsigned char) WrapperStruct00.var_1_7))) && ((((WrapperStruct00.var_1_18 * WrapperStruct00.var_1_18) * (WrapperStruct00.var_1_19 - WrapperStruct00.var_1_19)) >= 1u) ? ((WrapperStruct00.var_1_18 <= WrapperStruct00.var_1_19) ? (WrapperStruct00.var_1_8 == ((signed long int) WrapperStruct00.var_1_19)) : (WrapperStruct00.var_1_8 == ((signed long int) WrapperStruct00.var_1_19))) : (WrapperStruct00.var_1_8 == ((signed long int) WrapperStruct00.var_1_19)))) && ((WrapperStruct00.var_1_19 > WrapperStruct00.var_1_8) ? (WrapperStruct00.var_1_12 == ((float) (WrapperStruct00.var_1_13 + ((WrapperStruct00.var_1_14 - WrapperStruct00.var_1_15) - WrapperStruct00.var_1_16)))) : (WrapperStruct00.var_1_12 == ((float) (WrapperStruct00.var_1_16 - (WrapperStruct00.var_1_14 + WrapperStruct00.var_1_15))))) VAL [WrapperStruct00={4:0}, isInitial=1] [L114] EXPR (((WrapperStruct00.var_1_18 >= (8u * WrapperStruct00.var_1_8)) ? (WrapperStruct00.var_1_1 == ((unsigned char) (! (WrapperStruct00.var_1_4 || (WrapperStruct00.var_1_5 || WrapperStruct00.var_1_6))))) : (WrapperStruct00.var_1_1 == ((unsigned char) WrapperStruct00.var_1_7))) && ((((WrapperStruct00.var_1_18 * WrapperStruct00.var_1_18) * (WrapperStruct00.var_1_19 - WrapperStruct00.var_1_19)) >= 1u) ? ((WrapperStruct00.var_1_18 <= WrapperStruct00.var_1_19) ? (WrapperStruct00.var_1_8 == ((signed long int) WrapperStruct00.var_1_19)) : (WrapperStruct00.var_1_8 == ((signed long int) WrapperStruct00.var_1_19))) : (WrapperStruct00.var_1_8 == ((signed long int) WrapperStruct00.var_1_19)))) && ((WrapperStruct00.var_1_19 > WrapperStruct00.var_1_8) ? (WrapperStruct00.var_1_12 == ((float) (WrapperStruct00.var_1_13 + ((WrapperStruct00.var_1_14 - WrapperStruct00.var_1_15) - WrapperStruct00.var_1_16)))) : (WrapperStruct00.var_1_12 == ((float) (WrapperStruct00.var_1_16 - (WrapperStruct00.var_1_14 + WrapperStruct00.var_1_15))))) [L114] EXPR WrapperStruct00.var_1_19 [L114] EXPR WrapperStruct00.var_1_8 VAL [WrapperStruct00={4:0}, isInitial=1] [L114] EXPR (WrapperStruct00.var_1_19 > WrapperStruct00.var_1_8) ? (WrapperStruct00.var_1_12 == ((float) (WrapperStruct00.var_1_13 + ((WrapperStruct00.var_1_14 - WrapperStruct00.var_1_15) - WrapperStruct00.var_1_16)))) : (WrapperStruct00.var_1_12 == ((float) (WrapperStruct00.var_1_16 - (WrapperStruct00.var_1_14 + WrapperStruct00.var_1_15)))) [L114] EXPR WrapperStruct00.var_1_12 [L114] EXPR WrapperStruct00.var_1_16 [L114] EXPR WrapperStruct00.var_1_14 [L114] EXPR WrapperStruct00.var_1_15 [L114] EXPR (WrapperStruct00.var_1_19 > WrapperStruct00.var_1_8) ? (WrapperStruct00.var_1_12 == ((float) (WrapperStruct00.var_1_13 + ((WrapperStruct00.var_1_14 - WrapperStruct00.var_1_15) - WrapperStruct00.var_1_16)))) : (WrapperStruct00.var_1_12 == ((float) (WrapperStruct00.var_1_16 - (WrapperStruct00.var_1_14 + WrapperStruct00.var_1_15)))) VAL [WrapperStruct00={4:0}, isInitial=1] [L114] EXPR (((WrapperStruct00.var_1_18 >= (8u * WrapperStruct00.var_1_8)) ? (WrapperStruct00.var_1_1 == ((unsigned char) (! (WrapperStruct00.var_1_4 || (WrapperStruct00.var_1_5 || WrapperStruct00.var_1_6))))) : (WrapperStruct00.var_1_1 == ((unsigned char) WrapperStruct00.var_1_7))) && ((((WrapperStruct00.var_1_18 * WrapperStruct00.var_1_18) * (WrapperStruct00.var_1_19 - WrapperStruct00.var_1_19)) >= 1u) ? ((WrapperStruct00.var_1_18 <= WrapperStruct00.var_1_19) ? (WrapperStruct00.var_1_8 == ((signed long int) WrapperStruct00.var_1_19)) : (WrapperStruct00.var_1_8 == ((signed long int) WrapperStruct00.var_1_19))) : (WrapperStruct00.var_1_8 == ((signed long int) WrapperStruct00.var_1_19)))) && ((WrapperStruct00.var_1_19 > WrapperStruct00.var_1_8) ? (WrapperStruct00.var_1_12 == ((float) (WrapperStruct00.var_1_13 + ((WrapperStruct00.var_1_14 - WrapperStruct00.var_1_15) - WrapperStruct00.var_1_16)))) : (WrapperStruct00.var_1_12 == ((float) (WrapperStruct00.var_1_16 - (WrapperStruct00.var_1_14 + WrapperStruct00.var_1_15))))) VAL [WrapperStruct00={4:0}, isInitial=1] [L114] EXPR ((((WrapperStruct00.var_1_18 >= (8u * WrapperStruct00.var_1_8)) ? (WrapperStruct00.var_1_1 == ((unsigned char) (! (WrapperStruct00.var_1_4 || (WrapperStruct00.var_1_5 || WrapperStruct00.var_1_6))))) : (WrapperStruct00.var_1_1 == ((unsigned char) WrapperStruct00.var_1_7))) && ((((WrapperStruct00.var_1_18 * WrapperStruct00.var_1_18) * (WrapperStruct00.var_1_19 - WrapperStruct00.var_1_19)) >= 1u) ? ((WrapperStruct00.var_1_18 <= WrapperStruct00.var_1_19) ? (WrapperStruct00.var_1_8 == ((signed long int) WrapperStruct00.var_1_19)) : (WrapperStruct00.var_1_8 == ((signed long int) WrapperStruct00.var_1_19))) : (WrapperStruct00.var_1_8 == ((signed long int) WrapperStruct00.var_1_19)))) && ((WrapperStruct00.var_1_19 > WrapperStruct00.var_1_8) ? (WrapperStruct00.var_1_12 == ((float) (WrapperStruct00.var_1_13 + ((WrapperStruct00.var_1_14 - WrapperStruct00.var_1_15) - WrapperStruct00.var_1_16)))) : (WrapperStruct00.var_1_12 == ((float) (WrapperStruct00.var_1_16 - (WrapperStruct00.var_1_14 + WrapperStruct00.var_1_15)))))) && (WrapperStruct00.var_1_17 == ((float) WrapperStruct00.var_1_14)) VAL [WrapperStruct00={4:0}, isInitial=1] [L114] EXPR ((((WrapperStruct00.var_1_18 >= (8u * WrapperStruct00.var_1_8)) ? (WrapperStruct00.var_1_1 == ((unsigned char) (! (WrapperStruct00.var_1_4 || (WrapperStruct00.var_1_5 || WrapperStruct00.var_1_6))))) : (WrapperStruct00.var_1_1 == ((unsigned char) WrapperStruct00.var_1_7))) && ((((WrapperStruct00.var_1_18 * WrapperStruct00.var_1_18) * (WrapperStruct00.var_1_19 - WrapperStruct00.var_1_19)) >= 1u) ? ((WrapperStruct00.var_1_18 <= WrapperStruct00.var_1_19) ? (WrapperStruct00.var_1_8 == ((signed long int) WrapperStruct00.var_1_19)) : (WrapperStruct00.var_1_8 == ((signed long int) WrapperStruct00.var_1_19))) : (WrapperStruct00.var_1_8 == ((signed long int) WrapperStruct00.var_1_19)))) && ((WrapperStruct00.var_1_19 > WrapperStruct00.var_1_8) ? (WrapperStruct00.var_1_12 == ((float) (WrapperStruct00.var_1_13 + ((WrapperStruct00.var_1_14 - WrapperStruct00.var_1_15) - WrapperStruct00.var_1_16)))) : (WrapperStruct00.var_1_12 == ((float) (WrapperStruct00.var_1_16 - (WrapperStruct00.var_1_14 + WrapperStruct00.var_1_15)))))) && (WrapperStruct00.var_1_17 == ((float) WrapperStruct00.var_1_14)) [L114] EXPR WrapperStruct00.var_1_17 [L114] EXPR WrapperStruct00.var_1_14 [L114] EXPR ((((WrapperStruct00.var_1_18 >= (8u * WrapperStruct00.var_1_8)) ? (WrapperStruct00.var_1_1 == ((unsigned char) (! (WrapperStruct00.var_1_4 || (WrapperStruct00.var_1_5 || WrapperStruct00.var_1_6))))) : (WrapperStruct00.var_1_1 == ((unsigned char) WrapperStruct00.var_1_7))) && ((((WrapperStruct00.var_1_18 * WrapperStruct00.var_1_18) * (WrapperStruct00.var_1_19 - WrapperStruct00.var_1_19)) >= 1u) ? ((WrapperStruct00.var_1_18 <= WrapperStruct00.var_1_19) ? (WrapperStruct00.var_1_8 == ((signed long int) WrapperStruct00.var_1_19)) : (WrapperStruct00.var_1_8 == ((signed long int) WrapperStruct00.var_1_19))) : (WrapperStruct00.var_1_8 == ((signed long int) WrapperStruct00.var_1_19)))) && ((WrapperStruct00.var_1_19 > WrapperStruct00.var_1_8) ? (WrapperStruct00.var_1_12 == ((float) (WrapperStruct00.var_1_13 + ((WrapperStruct00.var_1_14 - WrapperStruct00.var_1_15) - WrapperStruct00.var_1_16)))) : (WrapperStruct00.var_1_12 == ((float) (WrapperStruct00.var_1_16 - (WrapperStruct00.var_1_14 + WrapperStruct00.var_1_15)))))) && (WrapperStruct00.var_1_17 == ((float) WrapperStruct00.var_1_14)) VAL [WrapperStruct00={4:0}, isInitial=1] [L114] EXPR (((((WrapperStruct00.var_1_18 >= (8u * WrapperStruct00.var_1_8)) ? (WrapperStruct00.var_1_1 == ((unsigned char) (! (WrapperStruct00.var_1_4 || (WrapperStruct00.var_1_5 || WrapperStruct00.var_1_6))))) : (WrapperStruct00.var_1_1 == ((unsigned char) WrapperStruct00.var_1_7))) && ((((WrapperStruct00.var_1_18 * WrapperStruct00.var_1_18) * (WrapperStruct00.var_1_19 - WrapperStruct00.var_1_19)) >= 1u) ? ((WrapperStruct00.var_1_18 <= WrapperStruct00.var_1_19) ? (WrapperStruct00.var_1_8 == ((signed long int) WrapperStruct00.var_1_19)) : (WrapperStruct00.var_1_8 == ((signed long int) WrapperStruct00.var_1_19))) : (WrapperStruct00.var_1_8 == ((signed long int) WrapperStruct00.var_1_19)))) && ((WrapperStruct00.var_1_19 > WrapperStruct00.var_1_8) ? (WrapperStruct00.var_1_12 == ((float) (WrapperStruct00.var_1_13 + ((WrapperStruct00.var_1_14 - WrapperStruct00.var_1_15) - WrapperStruct00.var_1_16)))) : (WrapperStruct00.var_1_12 == ((float) (WrapperStruct00.var_1_16 - (WrapperStruct00.var_1_14 + WrapperStruct00.var_1_15)))))) && (WrapperStruct00.var_1_17 == ((float) WrapperStruct00.var_1_14))) && (WrapperStruct00.var_1_18 == ((signed long int) WrapperStruct00.var_1_19)) VAL [WrapperStruct00={4:0}, isInitial=1] [L114] EXPR (((((WrapperStruct00.var_1_18 >= (8u * WrapperStruct00.var_1_8)) ? (WrapperStruct00.var_1_1 == ((unsigned char) (! (WrapperStruct00.var_1_4 || (WrapperStruct00.var_1_5 || WrapperStruct00.var_1_6))))) : (WrapperStruct00.var_1_1 == ((unsigned char) WrapperStruct00.var_1_7))) && ((((WrapperStruct00.var_1_18 * WrapperStruct00.var_1_18) * (WrapperStruct00.var_1_19 - WrapperStruct00.var_1_19)) >= 1u) ? ((WrapperStruct00.var_1_18 <= WrapperStruct00.var_1_19) ? (WrapperStruct00.var_1_8 == ((signed long int) WrapperStruct00.var_1_19)) : (WrapperStruct00.var_1_8 == ((signed long int) WrapperStruct00.var_1_19))) : (WrapperStruct00.var_1_8 == ((signed long int) WrapperStruct00.var_1_19)))) && ((WrapperStruct00.var_1_19 > WrapperStruct00.var_1_8) ? (WrapperStruct00.var_1_12 == ((float) (WrapperStruct00.var_1_13 + ((WrapperStruct00.var_1_14 - WrapperStruct00.var_1_15) - WrapperStruct00.var_1_16)))) : (WrapperStruct00.var_1_12 == ((float) (WrapperStruct00.var_1_16 - (WrapperStruct00.var_1_14 + WrapperStruct00.var_1_15)))))) && (WrapperStruct00.var_1_17 == ((float) WrapperStruct00.var_1_14))) && (WrapperStruct00.var_1_18 == ((signed long int) WrapperStruct00.var_1_19)) VAL [WrapperStruct00={4:0}, isInitial=1] [L114] EXPR ((((((WrapperStruct00.var_1_18 >= (8u * WrapperStruct00.var_1_8)) ? (WrapperStruct00.var_1_1 == ((unsigned char) (! (WrapperStruct00.var_1_4 || (WrapperStruct00.var_1_5 || WrapperStruct00.var_1_6))))) : (WrapperStruct00.var_1_1 == ((unsigned char) WrapperStruct00.var_1_7))) && ((((WrapperStruct00.var_1_18 * WrapperStruct00.var_1_18) * (WrapperStruct00.var_1_19 - WrapperStruct00.var_1_19)) >= 1u) ? ((WrapperStruct00.var_1_18 <= WrapperStruct00.var_1_19) ? (WrapperStruct00.var_1_8 == ((signed long int) WrapperStruct00.var_1_19)) : (WrapperStruct00.var_1_8 == ((signed long int) WrapperStruct00.var_1_19))) : (WrapperStruct00.var_1_8 == ((signed long int) WrapperStruct00.var_1_19)))) && ((WrapperStruct00.var_1_19 > WrapperStruct00.var_1_8) ? (WrapperStruct00.var_1_12 == ((float) (WrapperStruct00.var_1_13 + ((WrapperStruct00.var_1_14 - WrapperStruct00.var_1_15) - WrapperStruct00.var_1_16)))) : (WrapperStruct00.var_1_12 == ((float) (WrapperStruct00.var_1_16 - (WrapperStruct00.var_1_14 + WrapperStruct00.var_1_15)))))) && (WrapperStruct00.var_1_17 == ((float) WrapperStruct00.var_1_14))) && (WrapperStruct00.var_1_18 == ((signed long int) WrapperStruct00.var_1_19))) && (WrapperStruct00.var_1_19 == ((unsigned char) WrapperStruct00.var_1_20)) VAL [WrapperStruct00={4:0}, isInitial=1] [L114] EXPR ((((((WrapperStruct00.var_1_18 >= (8u * WrapperStruct00.var_1_8)) ? (WrapperStruct00.var_1_1 == ((unsigned char) (! (WrapperStruct00.var_1_4 || (WrapperStruct00.var_1_5 || WrapperStruct00.var_1_6))))) : (WrapperStruct00.var_1_1 == ((unsigned char) WrapperStruct00.var_1_7))) && ((((WrapperStruct00.var_1_18 * WrapperStruct00.var_1_18) * (WrapperStruct00.var_1_19 - WrapperStruct00.var_1_19)) >= 1u) ? ((WrapperStruct00.var_1_18 <= WrapperStruct00.var_1_19) ? (WrapperStruct00.var_1_8 == ((signed long int) WrapperStruct00.var_1_19)) : (WrapperStruct00.var_1_8 == ((signed long int) WrapperStruct00.var_1_19))) : (WrapperStruct00.var_1_8 == ((signed long int) WrapperStruct00.var_1_19)))) && ((WrapperStruct00.var_1_19 > WrapperStruct00.var_1_8) ? (WrapperStruct00.var_1_12 == ((float) (WrapperStruct00.var_1_13 + ((WrapperStruct00.var_1_14 - WrapperStruct00.var_1_15) - WrapperStruct00.var_1_16)))) : (WrapperStruct00.var_1_12 == ((float) (WrapperStruct00.var_1_16 - (WrapperStruct00.var_1_14 + WrapperStruct00.var_1_15)))))) && (WrapperStruct00.var_1_17 == ((float) WrapperStruct00.var_1_14))) && (WrapperStruct00.var_1_18 == ((signed long int) WrapperStruct00.var_1_19))) && (WrapperStruct00.var_1_19 == ((unsigned char) WrapperStruct00.var_1_20)) VAL [WrapperStruct00={4:0}, isInitial=1] [L114-L115] return ((((((WrapperStruct00.var_1_18 >= (8u * WrapperStruct00.var_1_8)) ? (WrapperStruct00.var_1_1 == ((unsigned char) (! (WrapperStruct00.var_1_4 || (WrapperStruct00.var_1_5 || WrapperStruct00.var_1_6))))) : (WrapperStruct00.var_1_1 == ((unsigned char) WrapperStruct00.var_1_7))) && ((((WrapperStruct00.var_1_18 * WrapperStruct00.var_1_18) * (WrapperStruct00.var_1_19 - WrapperStruct00.var_1_19)) >= 1u) ? ((WrapperStruct00.var_1_18 <= WrapperStruct00.var_1_19) ? (WrapperStruct00.var_1_8 == ((signed long int) WrapperStruct00.var_1_19)) : (WrapperStruct00.var_1_8 == ((signed long int) WrapperStruct00.var_1_19))) : (WrapperStruct00.var_1_8 == ((signed long int) WrapperStruct00.var_1_19)))) && ((WrapperStruct00.var_1_19 > WrapperStruct00.var_1_8) ? (WrapperStruct00.var_1_12 == ((float) (WrapperStruct00.var_1_13 + ((WrapperStruct00.var_1_14 - WrapperStruct00.var_1_15) - WrapperStruct00.var_1_16)))) : (WrapperStruct00.var_1_12 == ((float) (WrapperStruct00.var_1_16 - (WrapperStruct00.var_1_14 + WrapperStruct00.var_1_15)))))) && (WrapperStruct00.var_1_17 == ((float) WrapperStruct00.var_1_14))) && (WrapperStruct00.var_1_18 == ((signed long int) WrapperStruct00.var_1_19))) && (WrapperStruct00.var_1_19 == ((unsigned char) WrapperStruct00.var_1_20)) ; [L124] RET, EXPR property() [L124] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [WrapperStruct00={4:0}, \old(cond)=0, cond=0, isInitial=1] [L19] reach_error() VAL [WrapperStruct00={4:0}, \old(cond)=0, cond=0, isInitial=1] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 93 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 30.5s, OverallIterations: 13, TraceHistogramMax: 14, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 19.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 3 mSolverCounterUnknown, 1944 SdHoareTripleChecker+Valid, 17.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1943 mSDsluCounter, 5429 SdHoareTripleChecker+Invalid, 16.9s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 3929 mSDsCounter, 573 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 2986 IncrementalHoareTripleChecker+Invalid, 3562 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 573 mSolverCounterUnsat, 1500 mSDtfsCounter, 2986 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 986 GetRequests, 884 SyntacticMatches, 2 SemanticMatches, 100 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 113 ImplicationChecksByTransitivity, 1.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=253occurred in iteration=11, InterpolantAutomatonStates: 86, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.4s AutomataMinimizationTime, 12 MinimizatonAttempts, 347 StatesRemovedByMinimization, 10 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 1.1s SatisfiabilityAnalysisTime, 7.5s InterpolantComputationTime, 1556 NumberOfCodeBlocks, 1556 NumberOfCodeBlocksAsserted, 13 NumberOfCheckSat, 1662 ConstructedInterpolants, 0 QuantifiedInterpolants, 5081 SizeOfPredicates, 36 NumberOfNonLiveVariables, 1303 ConjunctsInSsa, 98 ConjunctsInUnsatCore, 14 InterpolantComputations, 12 PerfectInterpolantSequences, 5018/5096 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-11-29 03:24:01,241 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fde5eac-99f4-4566-8b84-c396312d1c2e/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fde5eac-99f4-4566-8b84-c396312d1c2e/bin/uautomizer-verify-BQ2R08f2Ya/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fde5eac-99f4-4566-8b84-c396312d1c2e/bin/uautomizer-verify-BQ2R08f2Ya/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fde5eac-99f4-4566-8b84-c396312d1c2e/bin/uautomizer-verify-BQ2R08f2Ya/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fde5eac-99f4-4566-8b84-c396312d1c2e/bin/uautomizer-verify-BQ2R08f2Ya/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-8.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fde5eac-99f4-4566-8b84-c396312d1c2e/bin/uautomizer-verify-BQ2R08f2Ya/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fde5eac-99f4-4566-8b84-c396312d1c2e/bin/uautomizer-verify-BQ2R08f2Ya --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 64fa20811e3d6b4f48d530fd12c5b3e1f5523460c92f2bd0d2e9efe97c916004 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-29 03:24:03,117 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-29 03:24:03,195 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fde5eac-99f4-4566-8b84-c396312d1c2e/bin/uautomizer-verify-BQ2R08f2Ya/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2023-11-29 03:24:03,201 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-29 03:24:03,202 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-29 03:24:03,231 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-29 03:24:03,232 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-29 03:24:03,233 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-29 03:24:03,234 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-29 03:24:03,234 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-29 03:24:03,235 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-29 03:24:03,235 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-29 03:24:03,236 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-29 03:24:03,237 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-29 03:24:03,237 INFO L153 SettingsManager]: * Use SBE=true [2023-11-29 03:24:03,238 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-29 03:24:03,239 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-29 03:24:03,239 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-29 03:24:03,240 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-29 03:24:03,240 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-29 03:24:03,241 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-29 03:24:03,244 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-29 03:24:03,244 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-29 03:24:03,244 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-29 03:24:03,245 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-29 03:24:03,245 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-29 03:24:03,246 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-29 03:24:03,246 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-29 03:24:03,246 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-29 03:24:03,247 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-29 03:24:03,247 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-29 03:24:03,248 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-29 03:24:03,248 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-29 03:24:03,248 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-29 03:24:03,249 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-29 03:24:03,249 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-29 03:24:03,249 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-29 03:24:03,249 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2023-11-29 03:24:03,250 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-29 03:24:03,250 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-29 03:24:03,250 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-29 03:24:03,250 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-29 03:24:03,251 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-29 03:24:03,251 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-29 03:24:03,251 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2023-11-29 03:24:03,251 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fde5eac-99f4-4566-8b84-c396312d1c2e/bin/uautomizer-verify-BQ2R08f2Ya/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fde5eac-99f4-4566-8b84-c396312d1c2e/bin/uautomizer-verify-BQ2R08f2Ya Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 64fa20811e3d6b4f48d530fd12c5b3e1f5523460c92f2bd0d2e9efe97c916004 [2023-11-29 03:24:03,541 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-29 03:24:03,564 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-29 03:24:03,566 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-29 03:24:03,567 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-29 03:24:03,568 INFO L274 PluginConnector]: CDTParser initialized [2023-11-29 03:24:03,569 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fde5eac-99f4-4566-8b84-c396312d1c2e/bin/uautomizer-verify-BQ2R08f2Ya/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-8.i [2023-11-29 03:24:06,379 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-29 03:24:06,611 INFO L384 CDTParser]: Found 1 translation units. [2023-11-29 03:24:06,612 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fde5eac-99f4-4566-8b84-c396312d1c2e/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-8.i [2023-11-29 03:24:06,622 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fde5eac-99f4-4566-8b84-c396312d1c2e/bin/uautomizer-verify-BQ2R08f2Ya/data/3f6408ecd/f25fcf94ebe0492fbfb94449d38f5cb4/FLAG927def501 [2023-11-29 03:24:06,635 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fde5eac-99f4-4566-8b84-c396312d1c2e/bin/uautomizer-verify-BQ2R08f2Ya/data/3f6408ecd/f25fcf94ebe0492fbfb94449d38f5cb4 [2023-11-29 03:24:06,638 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-29 03:24:06,639 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-29 03:24:06,640 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-29 03:24:06,640 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-29 03:24:06,644 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-29 03:24:06,645 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 03:24:06" (1/1) ... [2023-11-29 03:24:06,646 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7dad092c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:24:06, skipping insertion in model container [2023-11-29 03:24:06,646 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 03:24:06" (1/1) ... [2023-11-29 03:24:06,672 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-29 03:24:06,797 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fde5eac-99f4-4566-8b84-c396312d1c2e/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-8.i[915,928] [2023-11-29 03:24:06,851 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 03:24:06,867 INFO L202 MainTranslator]: Completed pre-run [2023-11-29 03:24:06,879 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fde5eac-99f4-4566-8b84-c396312d1c2e/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-8.i[915,928] [2023-11-29 03:24:06,920 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 03:24:06,942 INFO L206 MainTranslator]: Completed translation [2023-11-29 03:24:06,942 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:24:06 WrapperNode [2023-11-29 03:24:06,942 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-29 03:24:06,943 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-29 03:24:06,943 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-29 03:24:06,944 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-29 03:24:06,949 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:24:06" (1/1) ... [2023-11-29 03:24:06,967 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:24:06" (1/1) ... [2023-11-29 03:24:07,008 INFO L138 Inliner]: procedures = 33, calls = 152, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 393 [2023-11-29 03:24:07,008 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-29 03:24:07,009 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-29 03:24:07,010 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-29 03:24:07,010 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-29 03:24:07,020 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:24:06" (1/1) ... [2023-11-29 03:24:07,020 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:24:06" (1/1) ... [2023-11-29 03:24:07,030 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:24:06" (1/1) ... [2023-11-29 03:24:07,051 INFO L175 MemorySlicer]: Split 126 memory accesses to 2 slices as follows [2, 124]. 98 percent of accesses are in the largest equivalence class. The 17 initializations are split as follows [2, 15]. The 19 writes are split as follows [0, 19]. [2023-11-29 03:24:07,051 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:24:06" (1/1) ... [2023-11-29 03:24:07,051 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:24:06" (1/1) ... [2023-11-29 03:24:07,086 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:24:06" (1/1) ... [2023-11-29 03:24:07,091 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:24:06" (1/1) ... [2023-11-29 03:24:07,095 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:24:06" (1/1) ... [2023-11-29 03:24:07,098 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:24:06" (1/1) ... [2023-11-29 03:24:07,105 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-29 03:24:07,106 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-29 03:24:07,106 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-29 03:24:07,106 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-29 03:24:07,107 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:24:06" (1/1) ... [2023-11-29 03:24:07,113 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-29 03:24:07,124 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fde5eac-99f4-4566-8b84-c396312d1c2e/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 03:24:07,142 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fde5eac-99f4-4566-8b84-c396312d1c2e/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2023-11-29 03:24:07,148 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fde5eac-99f4-4566-8b84-c396312d1c2e/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2023-11-29 03:24:07,179 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-29 03:24:07,179 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#0 [2023-11-29 03:24:07,179 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#1 [2023-11-29 03:24:07,179 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2023-11-29 03:24:07,179 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#1 [2023-11-29 03:24:07,180 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#0 [2023-11-29 03:24:07,180 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#1 [2023-11-29 03:24:07,180 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#0 [2023-11-29 03:24:07,180 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#1 [2023-11-29 03:24:07,180 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#0 [2023-11-29 03:24:07,180 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#1 [2023-11-29 03:24:07,181 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#0 [2023-11-29 03:24:07,181 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#1 [2023-11-29 03:24:07,181 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#0 [2023-11-29 03:24:07,181 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#1 [2023-11-29 03:24:07,181 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-29 03:24:07,182 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-29 03:24:07,182 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-29 03:24:07,182 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-29 03:24:07,182 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#0 [2023-11-29 03:24:07,182 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#1 [2023-11-29 03:24:07,183 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#0 [2023-11-29 03:24:07,183 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#1 [2023-11-29 03:24:07,300 INFO L241 CfgBuilder]: Building ICFG [2023-11-29 03:24:07,302 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-29 03:24:10,490 INFO L282 CfgBuilder]: Performing block encoding [2023-11-29 03:24:10,541 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-29 03:24:10,541 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-29 03:24:10,541 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 03:24:10 BoogieIcfgContainer [2023-11-29 03:24:10,542 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-29 03:24:10,544 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-29 03:24:10,544 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-29 03:24:10,547 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-29 03:24:10,548 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.11 03:24:06" (1/3) ... [2023-11-29 03:24:10,548 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@56fa772c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 03:24:10, skipping insertion in model container [2023-11-29 03:24:10,548 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:24:06" (2/3) ... [2023-11-29 03:24:10,549 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@56fa772c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 03:24:10, skipping insertion in model container [2023-11-29 03:24:10,549 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 03:24:10" (3/3) ... [2023-11-29 03:24:10,550 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_wrapper-s_file-8.i [2023-11-29 03:24:10,569 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-29 03:24:10,569 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-29 03:24:10,616 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-29 03:24:10,623 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=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;@164ea4b4, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-29 03:24:10,623 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-29 03:24:10,628 INFO L276 IsEmpty]: Start isEmpty. Operand has 93 states, 76 states have (on average 1.4473684210526316) internal successors, (110), 77 states have internal predecessors, (110), 14 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2023-11-29 03:24:10,642 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2023-11-29 03:24:10,643 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 03:24:10,643 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 03:24:10,644 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 03:24:10,649 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:24:10,649 INFO L85 PathProgramCache]: Analyzing trace with hash -2143100842, now seen corresponding path program 1 times [2023-11-29 03:24:10,664 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 03:24:10,664 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1956899865] [2023-11-29 03:24:10,665 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:24:10,665 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-29 03:24:10,666 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fde5eac-99f4-4566-8b84-c396312d1c2e/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 03:24:10,684 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fde5eac-99f4-4566-8b84-c396312d1c2e/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-29 03:24:10,688 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fde5eac-99f4-4566-8b84-c396312d1c2e/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2023-11-29 03:24:11,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:24:11,124 INFO L262 TraceCheckSpWp]: Trace formula consists of 256 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-29 03:24:11,134 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 03:24:11,172 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 186 proven. 0 refuted. 0 times theorem prover too weak. 178 trivial. 0 not checked. [2023-11-29 03:24:11,172 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 03:24:11,173 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-29 03:24:11,173 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1956899865] [2023-11-29 03:24:11,173 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1956899865] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 03:24:11,174 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 03:24:11,174 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 03:24:11,176 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1509343205] [2023-11-29 03:24:11,176 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 03:24:11,181 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-29 03:24:11,181 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-29 03:24:11,210 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-29 03:24:11,211 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-29 03:24:11,214 INFO L87 Difference]: Start difference. First operand has 93 states, 76 states have (on average 1.4473684210526316) internal successors, (110), 77 states have internal predecessors, (110), 14 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) Second operand has 2 states, 2 states have (on average 27.5) internal successors, (55), 2 states have internal predecessors, (55), 2 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2023-11-29 03:24:11,272 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 03:24:11,272 INFO L93 Difference]: Finished difference Result 183 states and 288 transitions. [2023-11-29 03:24:11,274 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-29 03:24:11,275 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 27.5) internal successors, (55), 2 states have internal predecessors, (55), 2 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 118 [2023-11-29 03:24:11,275 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 03:24:11,283 INFO L225 Difference]: With dead ends: 183 [2023-11-29 03:24:11,283 INFO L226 Difference]: Without dead ends: 91 [2023-11-29 03:24:11,287 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 117 GetRequests, 117 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-29 03:24:11,291 INFO L413 NwaCegarLoop]: 129 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 129 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-29 03:24:11,292 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 129 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-29 03:24:11,315 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 91 states. [2023-11-29 03:24:11,340 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 91 to 91. [2023-11-29 03:24:11,342 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 91 states, 75 states have (on average 1.4) internal successors, (105), 75 states have internal predecessors, (105), 14 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2023-11-29 03:24:11,344 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 91 states and 133 transitions. [2023-11-29 03:24:11,346 INFO L78 Accepts]: Start accepts. Automaton has 91 states and 133 transitions. Word has length 118 [2023-11-29 03:24:11,346 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 03:24:11,346 INFO L495 AbstractCegarLoop]: Abstraction has 91 states and 133 transitions. [2023-11-29 03:24:11,347 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 27.5) internal successors, (55), 2 states have internal predecessors, (55), 2 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2023-11-29 03:24:11,347 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 133 transitions. [2023-11-29 03:24:11,350 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2023-11-29 03:24:11,350 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 03:24:11,351 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 03:24:11,367 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fde5eac-99f4-4566-8b84-c396312d1c2e/bin/uautomizer-verify-BQ2R08f2Ya/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)] Forceful destruction successful, exit code 0 [2023-11-29 03:24:11,552 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fde5eac-99f4-4566-8b84-c396312d1c2e/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-29 03:24:11,553 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 03:24:11,553 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:24:11,553 INFO L85 PathProgramCache]: Analyzing trace with hash 1017374914, now seen corresponding path program 1 times [2023-11-29 03:24:11,554 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 03:24:11,554 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1229894971] [2023-11-29 03:24:11,554 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:24:11,555 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-29 03:24:11,555 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fde5eac-99f4-4566-8b84-c396312d1c2e/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 03:24:11,556 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fde5eac-99f4-4566-8b84-c396312d1c2e/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-29 03:24:11,557 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fde5eac-99f4-4566-8b84-c396312d1c2e/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2023-11-29 03:24:11,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:24:11,988 INFO L262 TraceCheckSpWp]: Trace formula consists of 256 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-29 03:24:11,992 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 03:24:12,077 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2023-11-29 03:24:12,078 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 03:24:12,078 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-29 03:24:12,078 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1229894971] [2023-11-29 03:24:12,079 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1229894971] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 03:24:12,079 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 03:24:12,079 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-29 03:24:12,079 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2116741933] [2023-11-29 03:24:12,080 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 03:24:12,081 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-29 03:24:12,082 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-29 03:24:12,083 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-29 03:24:12,083 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-29 03:24:12,084 INFO L87 Difference]: Start difference. First operand 91 states and 133 transitions. Second operand has 5 states, 5 states have (on average 10.2) internal successors, (51), 5 states have internal predecessors, (51), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2023-11-29 03:24:12,301 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 03:24:12,301 INFO L93 Difference]: Finished difference Result 202 states and 295 transitions. [2023-11-29 03:24:12,302 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-11-29 03:24:12,302 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.2) internal successors, (51), 5 states have internal predecessors, (51), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) Word has length 118 [2023-11-29 03:24:12,304 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 03:24:12,306 INFO L225 Difference]: With dead ends: 202 [2023-11-29 03:24:12,307 INFO L226 Difference]: Without dead ends: 112 [2023-11-29 03:24:12,308 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 120 GetRequests, 114 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2023-11-29 03:24:12,309 INFO L413 NwaCegarLoop]: 124 mSDtfsCounter, 46 mSDsluCounter, 370 mSDsCounter, 0 mSdLazyCounter, 41 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 46 SdHoareTripleChecker+Valid, 494 SdHoareTripleChecker+Invalid, 44 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 41 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-29 03:24:12,310 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [46 Valid, 494 Invalid, 44 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 41 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-29 03:24:12,311 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 112 states. [2023-11-29 03:24:12,323 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 112 to 95. [2023-11-29 03:24:12,323 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 95 states, 79 states have (on average 1.379746835443038) internal successors, (109), 79 states have internal predecessors, (109), 14 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2023-11-29 03:24:12,325 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 95 states and 137 transitions. [2023-11-29 03:24:12,326 INFO L78 Accepts]: Start accepts. Automaton has 95 states and 137 transitions. Word has length 118 [2023-11-29 03:24:12,328 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 03:24:12,328 INFO L495 AbstractCegarLoop]: Abstraction has 95 states and 137 transitions. [2023-11-29 03:24:12,328 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.2) internal successors, (51), 5 states have internal predecessors, (51), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2023-11-29 03:24:12,329 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 137 transitions. [2023-11-29 03:24:12,331 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2023-11-29 03:24:12,331 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 03:24:12,332 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 03:24:12,340 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fde5eac-99f4-4566-8b84-c396312d1c2e/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Ended with exit code 0 [2023-11-29 03:24:12,536 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fde5eac-99f4-4566-8b84-c396312d1c2e/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-29 03:24:12,537 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 03:24:12,537 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:24:12,537 INFO L85 PathProgramCache]: Analyzing trace with hash 208028288, now seen corresponding path program 1 times [2023-11-29 03:24:12,538 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 03:24:12,539 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1173921061] [2023-11-29 03:24:12,539 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:24:12,539 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-29 03:24:12,539 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fde5eac-99f4-4566-8b84-c396312d1c2e/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 03:24:12,540 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fde5eac-99f4-4566-8b84-c396312d1c2e/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-29 03:24:12,541 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fde5eac-99f4-4566-8b84-c396312d1c2e/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2023-11-29 03:24:12,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:24:12,904 INFO L262 TraceCheckSpWp]: Trace formula consists of 253 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-29 03:24:12,908 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 03:24:13,009 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2023-11-29 03:24:13,009 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 03:24:13,009 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-29 03:24:13,010 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1173921061] [2023-11-29 03:24:13,010 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1173921061] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 03:24:13,010 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 03:24:13,010 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-29 03:24:13,011 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [633719406] [2023-11-29 03:24:13,011 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 03:24:13,011 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-29 03:24:13,012 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-29 03:24:13,012 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-29 03:24:13,013 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-11-29 03:24:13,013 INFO L87 Difference]: Start difference. First operand 95 states and 137 transitions. Second operand has 6 states, 6 states have (on average 8.5) internal successors, (51), 6 states have internal predecessors, (51), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2023-11-29 03:24:13,334 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 03:24:13,335 INFO L93 Difference]: Finished difference Result 209 states and 300 transitions. [2023-11-29 03:24:13,335 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-11-29 03:24:13,335 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.5) internal successors, (51), 6 states have internal predecessors, (51), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) Word has length 118 [2023-11-29 03:24:13,336 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 03:24:13,338 INFO L225 Difference]: With dead ends: 209 [2023-11-29 03:24:13,338 INFO L226 Difference]: Without dead ends: 115 [2023-11-29 03:24:13,339 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 123 GetRequests, 113 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2023-11-29 03:24:13,341 INFO L413 NwaCegarLoop]: 122 mSDtfsCounter, 49 mSDsluCounter, 489 mSDsCounter, 0 mSdLazyCounter, 61 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 49 SdHoareTripleChecker+Valid, 611 SdHoareTripleChecker+Invalid, 64 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 61 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-29 03:24:13,341 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [49 Valid, 611 Invalid, 64 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 61 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-29 03:24:13,342 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 115 states. [2023-11-29 03:24:13,352 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 115 to 97. [2023-11-29 03:24:13,352 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 97 states, 81 states have (on average 1.3703703703703705) internal successors, (111), 81 states have internal predecessors, (111), 14 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2023-11-29 03:24:13,354 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 97 states and 139 transitions. [2023-11-29 03:24:13,354 INFO L78 Accepts]: Start accepts. Automaton has 97 states and 139 transitions. Word has length 118 [2023-11-29 03:24:13,355 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 03:24:13,355 INFO L495 AbstractCegarLoop]: Abstraction has 97 states and 139 transitions. [2023-11-29 03:24:13,355 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.5) internal successors, (51), 6 states have internal predecessors, (51), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2023-11-29 03:24:13,355 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 139 transitions. [2023-11-29 03:24:13,358 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2023-11-29 03:24:13,358 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 03:24:13,358 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 03:24:13,368 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fde5eac-99f4-4566-8b84-c396312d1c2e/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Ended with exit code 0 [2023-11-29 03:24:13,567 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fde5eac-99f4-4566-8b84-c396312d1c2e/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-29 03:24:13,568 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 03:24:13,568 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:24:13,568 INFO L85 PathProgramCache]: Analyzing trace with hash 265286590, now seen corresponding path program 1 times [2023-11-29 03:24:13,569 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 03:24:13,569 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [205026674] [2023-11-29 03:24:13,569 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:24:13,569 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-29 03:24:13,569 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fde5eac-99f4-4566-8b84-c396312d1c2e/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 03:24:13,570 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fde5eac-99f4-4566-8b84-c396312d1c2e/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-29 03:24:13,571 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fde5eac-99f4-4566-8b84-c396312d1c2e/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2023-11-29 03:24:13,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:24:13,942 INFO L262 TraceCheckSpWp]: Trace formula consists of 250 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-29 03:24:13,947 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 03:24:14,066 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2023-11-29 03:24:14,066 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 03:24:14,066 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-29 03:24:14,066 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [205026674] [2023-11-29 03:24:14,067 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [205026674] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 03:24:14,067 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 03:24:14,067 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-11-29 03:24:14,067 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [157792975] [2023-11-29 03:24:14,067 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 03:24:14,067 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-29 03:24:14,068 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-29 03:24:14,068 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-29 03:24:14,068 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2023-11-29 03:24:14,068 INFO L87 Difference]: Start difference. First operand 97 states and 139 transitions. Second operand has 7 states, 7 states have (on average 7.285714285714286) internal successors, (51), 7 states have internal predecessors, (51), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2023-11-29 03:24:14,507 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 03:24:14,507 INFO L93 Difference]: Finished difference Result 212 states and 300 transitions. [2023-11-29 03:24:14,507 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2023-11-29 03:24:14,508 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 7.285714285714286) internal successors, (51), 7 states have internal predecessors, (51), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) Word has length 118 [2023-11-29 03:24:14,509 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 03:24:14,510 INFO L225 Difference]: With dead ends: 212 [2023-11-29 03:24:14,510 INFO L226 Difference]: Without dead ends: 116 [2023-11-29 03:24:14,511 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 127 GetRequests, 112 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=86, Invalid=186, Unknown=0, NotChecked=0, Total=272 [2023-11-29 03:24:14,513 INFO L413 NwaCegarLoop]: 121 mSDtfsCounter, 40 mSDsluCounter, 601 mSDsCounter, 0 mSdLazyCounter, 79 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 40 SdHoareTripleChecker+Valid, 722 SdHoareTripleChecker+Invalid, 83 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 79 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-29 03:24:14,513 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [40 Valid, 722 Invalid, 83 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 79 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-29 03:24:14,514 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 116 states. [2023-11-29 03:24:14,522 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 116 to 99. [2023-11-29 03:24:14,523 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 99 states, 83 states have (on average 1.3614457831325302) internal successors, (113), 83 states have internal predecessors, (113), 14 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2023-11-29 03:24:14,524 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 99 states and 141 transitions. [2023-11-29 03:24:14,524 INFO L78 Accepts]: Start accepts. Automaton has 99 states and 141 transitions. Word has length 118 [2023-11-29 03:24:14,525 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 03:24:14,525 INFO L495 AbstractCegarLoop]: Abstraction has 99 states and 141 transitions. [2023-11-29 03:24:14,526 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 7.285714285714286) internal successors, (51), 7 states have internal predecessors, (51), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2023-11-29 03:24:14,526 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 141 transitions. [2023-11-29 03:24:14,528 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2023-11-29 03:24:14,528 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 03:24:14,528 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 03:24:14,536 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fde5eac-99f4-4566-8b84-c396312d1c2e/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Ended with exit code 0 [2023-11-29 03:24:14,732 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fde5eac-99f4-4566-8b84-c396312d1c2e/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-29 03:24:14,733 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 03:24:14,733 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:24:14,733 INFO L85 PathProgramCache]: Analyzing trace with hash 265346172, now seen corresponding path program 1 times [2023-11-29 03:24:14,734 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 03:24:14,734 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2094082278] [2023-11-29 03:24:14,734 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:24:14,734 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-29 03:24:14,734 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fde5eac-99f4-4566-8b84-c396312d1c2e/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 03:24:14,735 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fde5eac-99f4-4566-8b84-c396312d1c2e/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-29 03:24:14,736 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fde5eac-99f4-4566-8b84-c396312d1c2e/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2023-11-29 03:24:15,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:24:15,094 INFO L262 TraceCheckSpWp]: Trace formula consists of 247 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-29 03:24:15,097 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 03:24:15,482 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 97 treesize of output 43 [2023-11-29 03:24:15,538 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 180 proven. 0 refuted. 0 times theorem prover too weak. 184 trivial. 0 not checked. [2023-11-29 03:24:15,539 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 03:24:15,539 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-29 03:24:15,539 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2094082278] [2023-11-29 03:24:15,539 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2094082278] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 03:24:15,539 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 03:24:15,539 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-29 03:24:15,540 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [825925725] [2023-11-29 03:24:15,540 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 03:24:15,541 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-29 03:24:15,541 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-29 03:24:15,542 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-29 03:24:15,542 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2023-11-29 03:24:15,542 INFO L87 Difference]: Start difference. First operand 99 states and 141 transitions. Second operand has 6 states, 6 states have (on average 9.0) internal successors, (54), 5 states have internal predecessors, (54), 2 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2023-11-29 03:24:19,648 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 03:24:19,648 INFO L93 Difference]: Finished difference Result 203 states and 290 transitions. [2023-11-29 03:24:19,649 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-11-29 03:24:19,650 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.0) internal successors, (54), 5 states have internal predecessors, (54), 2 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 118 [2023-11-29 03:24:19,650 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 03:24:19,651 INFO L225 Difference]: With dead ends: 203 [2023-11-29 03:24:19,651 INFO L226 Difference]: Without dead ends: 105 [2023-11-29 03:24:19,652 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 121 GetRequests, 113 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=35, Invalid=55, Unknown=0, NotChecked=0, Total=90 [2023-11-29 03:24:19,653 INFO L413 NwaCegarLoop]: 109 mSDtfsCounter, 112 mSDsluCounter, 254 mSDsCounter, 0 mSdLazyCounter, 161 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 112 SdHoareTripleChecker+Valid, 363 SdHoareTripleChecker+Invalid, 166 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 161 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.0s IncrementalHoareTripleChecker+Time [2023-11-29 03:24:19,654 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [112 Valid, 363 Invalid, 166 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 161 Invalid, 0 Unknown, 0 Unchecked, 4.0s Time] [2023-11-29 03:24:19,655 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 105 states. [2023-11-29 03:24:19,663 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 105 to 99. [2023-11-29 03:24:19,664 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 99 states, 83 states have (on average 1.3493975903614457) internal successors, (112), 83 states have internal predecessors, (112), 14 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2023-11-29 03:24:19,665 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 99 states and 140 transitions. [2023-11-29 03:24:19,665 INFO L78 Accepts]: Start accepts. Automaton has 99 states and 140 transitions. Word has length 118 [2023-11-29 03:24:19,665 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 03:24:19,665 INFO L495 AbstractCegarLoop]: Abstraction has 99 states and 140 transitions. [2023-11-29 03:24:19,666 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.0) internal successors, (54), 5 states have internal predecessors, (54), 2 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2023-11-29 03:24:19,666 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 140 transitions. [2023-11-29 03:24:19,667 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2023-11-29 03:24:19,667 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 03:24:19,667 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 03:24:19,677 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fde5eac-99f4-4566-8b84-c396312d1c2e/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Ended with exit code 0 [2023-11-29 03:24:19,867 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fde5eac-99f4-4566-8b84-c396312d1c2e/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-29 03:24:19,867 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 03:24:19,868 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:24:19,868 INFO L85 PathProgramCache]: Analyzing trace with hash -1150468222, now seen corresponding path program 1 times [2023-11-29 03:24:19,868 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 03:24:19,868 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1776658249] [2023-11-29 03:24:19,868 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:24:19,868 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-29 03:24:19,869 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fde5eac-99f4-4566-8b84-c396312d1c2e/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 03:24:19,869 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fde5eac-99f4-4566-8b84-c396312d1c2e/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-29 03:24:19,870 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fde5eac-99f4-4566-8b84-c396312d1c2e/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2023-11-29 03:24:20,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:24:20,214 INFO L262 TraceCheckSpWp]: Trace formula consists of 253 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-29 03:24:20,218 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 03:24:20,665 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 95 treesize of output 41 [2023-11-29 03:24:20,729 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 160 proven. 0 refuted. 0 times theorem prover too weak. 204 trivial. 0 not checked. [2023-11-29 03:24:20,729 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 03:24:20,729 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-29 03:24:20,729 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1776658249] [2023-11-29 03:24:20,729 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1776658249] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 03:24:20,729 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 03:24:20,730 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-29 03:24:20,730 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2022745896] [2023-11-29 03:24:20,730 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 03:24:20,731 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-29 03:24:20,731 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-29 03:24:20,732 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-29 03:24:20,732 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2023-11-29 03:24:20,732 INFO L87 Difference]: Start difference. First operand 99 states and 140 transitions. Second operand has 6 states, 6 states have (on average 9.333333333333334) internal successors, (56), 5 states have internal predecessors, (56), 2 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2023-11-29 03:24:24,327 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 03:24:24,327 INFO L93 Difference]: Finished difference Result 203 states and 288 transitions. [2023-11-29 03:24:24,328 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-11-29 03:24:24,328 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.333333333333334) internal successors, (56), 5 states have internal predecessors, (56), 2 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 120 [2023-11-29 03:24:24,328 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 03:24:24,329 INFO L225 Difference]: With dead ends: 203 [2023-11-29 03:24:24,329 INFO L226 Difference]: Without dead ends: 105 [2023-11-29 03:24:24,330 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 123 GetRequests, 115 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=35, Invalid=55, Unknown=0, NotChecked=0, Total=90 [2023-11-29 03:24:24,331 INFO L413 NwaCegarLoop]: 108 mSDtfsCounter, 101 mSDsluCounter, 250 mSDsCounter, 0 mSdLazyCounter, 162 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 101 SdHoareTripleChecker+Valid, 358 SdHoareTripleChecker+Invalid, 167 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 162 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.5s IncrementalHoareTripleChecker+Time [2023-11-29 03:24:24,331 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [101 Valid, 358 Invalid, 167 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 162 Invalid, 0 Unknown, 0 Unchecked, 3.5s Time] [2023-11-29 03:24:24,332 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 105 states. [2023-11-29 03:24:24,338 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 105 to 99. [2023-11-29 03:24:24,339 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 99 states, 83 states have (on average 1.3373493975903614) internal successors, (111), 83 states have internal predecessors, (111), 14 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2023-11-29 03:24:24,340 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 99 states and 139 transitions. [2023-11-29 03:24:24,340 INFO L78 Accepts]: Start accepts. Automaton has 99 states and 139 transitions. Word has length 120 [2023-11-29 03:24:24,340 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 03:24:24,341 INFO L495 AbstractCegarLoop]: Abstraction has 99 states and 139 transitions. [2023-11-29 03:24:24,341 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.333333333333334) internal successors, (56), 5 states have internal predecessors, (56), 2 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2023-11-29 03:24:24,341 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 139 transitions. [2023-11-29 03:24:24,342 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2023-11-29 03:24:24,343 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 03:24:24,343 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 03:24:24,351 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fde5eac-99f4-4566-8b84-c396312d1c2e/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (7)] Ended with exit code 0 [2023-11-29 03:24:24,548 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fde5eac-99f4-4566-8b84-c396312d1c2e/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-29 03:24:24,549 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 03:24:24,549 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:24:24,549 INFO L85 PathProgramCache]: Analyzing trace with hash 1706403772, now seen corresponding path program 1 times [2023-11-29 03:24:24,549 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 03:24:24,549 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [704123807] [2023-11-29 03:24:24,550 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:24:24,550 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-29 03:24:24,550 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fde5eac-99f4-4566-8b84-c396312d1c2e/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 03:24:24,551 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fde5eac-99f4-4566-8b84-c396312d1c2e/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-29 03:24:24,551 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fde5eac-99f4-4566-8b84-c396312d1c2e/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2023-11-29 03:24:24,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:24:24,877 INFO L262 TraceCheckSpWp]: Trace formula consists of 259 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-29 03:24:24,881 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 03:24:25,287 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 95 treesize of output 41 [2023-11-29 03:24:25,336 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 132 proven. 0 refuted. 0 times theorem prover too weak. 232 trivial. 0 not checked. [2023-11-29 03:24:25,336 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 03:24:25,336 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-29 03:24:25,336 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [704123807] [2023-11-29 03:24:25,336 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [704123807] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 03:24:25,336 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 03:24:25,337 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-29 03:24:25,337 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [882310758] [2023-11-29 03:24:25,337 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 03:24:25,337 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-29 03:24:25,337 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-29 03:24:25,338 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-29 03:24:25,338 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2023-11-29 03:24:25,338 INFO L87 Difference]: Start difference. First operand 99 states and 139 transitions. Second operand has 6 states, 6 states have (on average 9.666666666666666) internal successors, (58), 5 states have internal predecessors, (58), 2 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2023-11-29 03:24:28,316 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.09s for a HTC check with result INVALID. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 03:24:29,726 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.27s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 03:24:29,807 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 03:24:29,808 INFO L93 Difference]: Finished difference Result 203 states and 286 transitions. [2023-11-29 03:24:29,808 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-11-29 03:24:29,809 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.666666666666666) internal successors, (58), 5 states have internal predecessors, (58), 2 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 122 [2023-11-29 03:24:29,809 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 03:24:29,810 INFO L225 Difference]: With dead ends: 203 [2023-11-29 03:24:29,810 INFO L226 Difference]: Without dead ends: 105 [2023-11-29 03:24:29,810 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 125 GetRequests, 117 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=35, Invalid=55, Unknown=0, NotChecked=0, Total=90 [2023-11-29 03:24:29,811 INFO L413 NwaCegarLoop]: 107 mSDtfsCounter, 94 mSDsluCounter, 247 mSDsCounter, 0 mSdLazyCounter, 162 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 94 SdHoareTripleChecker+Valid, 354 SdHoareTripleChecker+Invalid, 167 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 162 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.4s IncrementalHoareTripleChecker+Time [2023-11-29 03:24:29,811 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [94 Valid, 354 Invalid, 167 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 162 Invalid, 0 Unknown, 0 Unchecked, 4.4s Time] [2023-11-29 03:24:29,811 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 105 states. [2023-11-29 03:24:29,815 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 105 to 99. [2023-11-29 03:24:29,815 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 99 states, 83 states have (on average 1.3253012048192772) internal successors, (110), 83 states have internal predecessors, (110), 14 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2023-11-29 03:24:29,816 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 99 states and 138 transitions. [2023-11-29 03:24:29,816 INFO L78 Accepts]: Start accepts. Automaton has 99 states and 138 transitions. Word has length 122 [2023-11-29 03:24:29,816 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 03:24:29,817 INFO L495 AbstractCegarLoop]: Abstraction has 99 states and 138 transitions. [2023-11-29 03:24:29,817 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.666666666666666) internal successors, (58), 5 states have internal predecessors, (58), 2 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2023-11-29 03:24:29,817 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 138 transitions. [2023-11-29 03:24:29,818 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2023-11-29 03:24:29,818 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 03:24:29,818 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 03:24:29,827 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fde5eac-99f4-4566-8b84-c396312d1c2e/bin/uautomizer-verify-BQ2R08f2Ya/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 [2023-11-29 03:24:30,018 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fde5eac-99f4-4566-8b84-c396312d1c2e/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-29 03:24:30,019 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 03:24:30,019 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:24:30,019 INFO L85 PathProgramCache]: Analyzing trace with hash -1870652222, now seen corresponding path program 1 times [2023-11-29 03:24:30,020 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 03:24:30,020 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [37382213] [2023-11-29 03:24:30,020 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:24:30,020 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-29 03:24:30,020 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fde5eac-99f4-4566-8b84-c396312d1c2e/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 03:24:30,021 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fde5eac-99f4-4566-8b84-c396312d1c2e/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-29 03:24:30,022 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fde5eac-99f4-4566-8b84-c396312d1c2e/bin/uautomizer-verify-BQ2R08f2Ya/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 [2023-11-29 03:24:30,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:24:30,456 INFO L262 TraceCheckSpWp]: Trace formula consists of 265 conjuncts, 32 conjunts are in the unsatisfiable core [2023-11-29 03:24:30,462 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 03:24:30,477 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2023-11-29 03:24:30,815 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 20 [2023-11-29 03:24:30,924 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 20 [2023-11-29 03:24:31,048 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 20 [2023-11-29 03:24:31,178 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 20 [2023-11-29 03:24:31,303 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 30 [2023-11-29 03:24:31,719 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 03:24:31,719 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 74 treesize of output 33 [2023-11-29 03:24:31,757 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 03:24:31,757 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 52 treesize of output 33 [2023-11-29 03:24:31,819 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 03:24:31,819 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 52 treesize of output 33 [2023-11-29 03:24:31,874 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 03:24:31,874 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 52 treesize of output 42 [2023-11-29 03:24:32,064 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 03:24:32,065 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 92 treesize of output 44 [2023-11-29 03:24:32,185 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 234 proven. 36 refuted. 0 times theorem prover too weak. 94 trivial. 0 not checked. [2023-11-29 03:24:32,185 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 03:24:32,527 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2023-11-29 03:24:32,527 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-29 03:24:32,527 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [37382213] [2023-11-29 03:24:32,527 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [37382213] provided 1 perfect and 1 imperfect interpolant sequences [2023-11-29 03:24:32,527 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-29 03:24:32,527 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [14] total 16 [2023-11-29 03:24:32,527 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [124904490] [2023-11-29 03:24:32,528 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 03:24:32,528 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-29 03:24:32,528 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-29 03:24:32,529 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-29 03:24:32,529 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=198, Unknown=0, NotChecked=0, Total=240 [2023-11-29 03:24:32,529 INFO L87 Difference]: Start difference. First operand 99 states and 138 transitions. Second operand has 5 states, 5 states have (on average 11.4) internal successors, (57), 5 states have internal predecessors, (57), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2023-11-29 03:24:38,066 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.84s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 03:24:41,286 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.01s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 03:24:44,284 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.14s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 03:24:44,416 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 03:24:44,416 INFO L93 Difference]: Finished difference Result 272 states and 374 transitions. [2023-11-29 03:24:44,417 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-29 03:24:44,417 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.4) internal successors, (57), 5 states have internal predecessors, (57), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) Word has length 124 [2023-11-29 03:24:44,417 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 03:24:44,419 INFO L225 Difference]: With dead ends: 272 [2023-11-29 03:24:44,419 INFO L226 Difference]: Without dead ends: 174 [2023-11-29 03:24:44,420 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 249 GetRequests, 232 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 52 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=57, Invalid=285, Unknown=0, NotChecked=0, Total=342 [2023-11-29 03:24:44,420 INFO L413 NwaCegarLoop]: 124 mSDtfsCounter, 104 mSDsluCounter, 318 mSDsCounter, 0 mSdLazyCounter, 147 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 104 SdHoareTripleChecker+Valid, 442 SdHoareTripleChecker+Invalid, 152 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 147 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.7s IncrementalHoareTripleChecker+Time [2023-11-29 03:24:44,421 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [104 Valid, 442 Invalid, 152 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 147 Invalid, 0 Unknown, 0 Unchecked, 11.7s Time] [2023-11-29 03:24:44,421 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 174 states. [2023-11-29 03:24:44,433 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 174 to 150. [2023-11-29 03:24:44,433 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 150 states, 127 states have (on average 1.3070866141732282) internal successors, (166), 128 states have internal predecessors, (166), 20 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (20), 19 states have call predecessors, (20), 20 states have call successors, (20) [2023-11-29 03:24:44,434 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 150 states and 206 transitions. [2023-11-29 03:24:44,434 INFO L78 Accepts]: Start accepts. Automaton has 150 states and 206 transitions. Word has length 124 [2023-11-29 03:24:44,435 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 03:24:44,435 INFO L495 AbstractCegarLoop]: Abstraction has 150 states and 206 transitions. [2023-11-29 03:24:44,435 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.4) internal successors, (57), 5 states have internal predecessors, (57), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2023-11-29 03:24:44,435 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 206 transitions. [2023-11-29 03:24:44,436 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2023-11-29 03:24:44,436 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 03:24:44,436 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 03:24:44,445 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fde5eac-99f4-4566-8b84-c396312d1c2e/bin/uautomizer-verify-BQ2R08f2Ya/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)] Forceful destruction successful, exit code 0 [2023-11-29 03:24:44,636 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fde5eac-99f4-4566-8b84-c396312d1c2e/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-29 03:24:44,637 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 03:24:44,637 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:24:44,637 INFO L85 PathProgramCache]: Analyzing trace with hash 236626631, now seen corresponding path program 1 times [2023-11-29 03:24:44,638 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 03:24:44,638 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [117530361] [2023-11-29 03:24:44,638 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:24:44,638 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-29 03:24:44,638 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fde5eac-99f4-4566-8b84-c396312d1c2e/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 03:24:44,639 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fde5eac-99f4-4566-8b84-c396312d1c2e/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-29 03:24:44,640 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fde5eac-99f4-4566-8b84-c396312d1c2e/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (10)] Waiting until timeout for monitored process [2023-11-29 03:24:45,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:24:45,115 INFO L262 TraceCheckSpWp]: Trace formula consists of 268 conjuncts, 31 conjunts are in the unsatisfiable core [2023-11-29 03:24:45,121 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 03:24:45,127 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 19 treesize of output 1 [2023-11-29 03:24:45,253 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 25 [2023-11-29 03:24:45,518 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 03:24:45,518 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 36 treesize of output 38 [2023-11-29 03:24:45,961 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 03:24:45,962 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 46 treesize of output 51 [2023-11-29 03:24:46,503 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 03:24:46,504 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 61 treesize of output 54 [2023-11-29 03:24:46,831 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 03:24:46,832 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 61 treesize of output 54 [2023-11-29 03:24:47,221 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 03:24:47,222 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 61 treesize of output 54 [2023-11-29 03:24:47,607 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 03:24:47,607 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 61 treesize of output 54 [2023-11-29 03:24:47,994 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 03:24:47,994 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 61 treesize of output 54 [2023-11-29 03:24:48,438 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 03:24:48,439 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 87 treesize of output 76 [2023-11-29 03:24:48,622 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 03:24:48,622 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 80 treesize of output 79 [2023-11-29 03:24:48,725 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 03:24:48,726 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 80 treesize of output 79 [2023-11-29 03:24:48,838 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 03:24:48,838 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 88 treesize of output 40 [2023-11-29 03:24:48,902 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 207 proven. 36 refuted. 0 times theorem prover too weak. 121 trivial. 0 not checked. [2023-11-29 03:24:48,902 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 03:24:49,585 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 3 proven. 36 refuted. 0 times theorem prover too weak. 325 trivial. 0 not checked. [2023-11-29 03:24:49,585 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-29 03:24:49,585 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [117530361] [2023-11-29 03:24:49,585 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [117530361] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-29 03:24:49,585 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-29 03:24:49,585 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 7] total 14 [2023-11-29 03:24:49,586 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1423767664] [2023-11-29 03:24:49,586 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-29 03:24:49,586 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2023-11-29 03:24:49,586 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-29 03:24:49,587 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2023-11-29 03:24:49,587 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=127, Unknown=0, NotChecked=0, Total=182 [2023-11-29 03:24:49,588 INFO L87 Difference]: Start difference. First operand 150 states and 206 transitions. Second operand has 14 states, 12 states have (on average 9.25) internal successors, (111), 14 states have internal predecessors, (111), 7 states have call successors, (27), 4 states have call predecessors, (27), 6 states have return successors, (27), 5 states have call predecessors, (27), 7 states have call successors, (27) [2023-11-29 03:24:53,143 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.15s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-29 03:24:56,245 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-29 03:24:58,700 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.15s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-29 03:24:58,905 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 03:24:58,905 INFO L93 Difference]: Finished difference Result 334 states and 441 transitions. [2023-11-29 03:24:58,906 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2023-11-29 03:24:58,907 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 12 states have (on average 9.25) internal successors, (111), 14 states have internal predecessors, (111), 7 states have call successors, (27), 4 states have call predecessors, (27), 6 states have return successors, (27), 5 states have call predecessors, (27), 7 states have call successors, (27) Word has length 126 [2023-11-29 03:24:58,907 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 03:24:58,909 INFO L225 Difference]: With dead ends: 334 [2023-11-29 03:24:58,910 INFO L226 Difference]: Without dead ends: 185 [2023-11-29 03:24:58,910 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 262 GetRequests, 237 SyntacticMatches, 1 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 98 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=187, Invalid=463, Unknown=0, NotChecked=0, Total=650 [2023-11-29 03:24:58,911 INFO L413 NwaCegarLoop]: 60 mSDtfsCounter, 107 mSDsluCounter, 211 mSDsCounter, 0 mSdLazyCounter, 507 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 108 SdHoareTripleChecker+Valid, 271 SdHoareTripleChecker+Invalid, 524 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 507 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.5s IncrementalHoareTripleChecker+Time [2023-11-29 03:24:58,911 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [108 Valid, 271 Invalid, 524 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 507 Invalid, 0 Unknown, 0 Unchecked, 8.5s Time] [2023-11-29 03:24:58,912 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 185 states. [2023-11-29 03:24:58,925 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 185 to 115. [2023-11-29 03:24:58,925 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 115 states, 96 states have (on average 1.28125) internal successors, (123), 96 states have internal predecessors, (123), 14 states have call successors, (14), 4 states have call predecessors, (14), 4 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2023-11-29 03:24:58,926 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 115 states and 151 transitions. [2023-11-29 03:24:58,926 INFO L78 Accepts]: Start accepts. Automaton has 115 states and 151 transitions. Word has length 126 [2023-11-29 03:24:58,927 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 03:24:58,927 INFO L495 AbstractCegarLoop]: Abstraction has 115 states and 151 transitions. [2023-11-29 03:24:58,927 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 12 states have (on average 9.25) internal successors, (111), 14 states have internal predecessors, (111), 7 states have call successors, (27), 4 states have call predecessors, (27), 6 states have return successors, (27), 5 states have call predecessors, (27), 7 states have call successors, (27) [2023-11-29 03:24:58,928 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 151 transitions. [2023-11-29 03:24:58,929 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2023-11-29 03:24:58,929 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 03:24:58,929 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 03:24:58,940 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fde5eac-99f4-4566-8b84-c396312d1c2e/bin/uautomizer-verify-BQ2R08f2Ya/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 [2023-11-29 03:24:59,130 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fde5eac-99f4-4566-8b84-c396312d1c2e/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-29 03:24:59,130 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 03:24:59,130 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:24:59,130 INFO L85 PathProgramCache]: Analyzing trace with hash -1819098585, now seen corresponding path program 1 times [2023-11-29 03:24:59,131 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 03:24:59,131 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1270523534] [2023-11-29 03:24:59,131 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:24:59,131 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-29 03:24:59,131 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fde5eac-99f4-4566-8b84-c396312d1c2e/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 03:24:59,132 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fde5eac-99f4-4566-8b84-c396312d1c2e/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-29 03:24:59,133 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fde5eac-99f4-4566-8b84-c396312d1c2e/bin/uautomizer-verify-BQ2R08f2Ya/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 [2023-11-29 03:24:59,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:24:59,559 INFO L262 TraceCheckSpWp]: Trace formula consists of 267 conjuncts, 33 conjunts are in the unsatisfiable core [2023-11-29 03:24:59,565 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 03:24:59,572 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 19 treesize of output 1 [2023-11-29 03:24:59,708 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 15 [2023-11-29 03:24:59,803 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 15 [2023-11-29 03:24:59,899 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 15 [2023-11-29 03:24:59,995 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 15 [2023-11-29 03:25:00,069 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 15 [2023-11-29 03:25:00,158 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 15 [2023-11-29 03:25:00,248 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 15 [2023-11-29 03:25:00,336 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 15 [2023-11-29 03:25:00,439 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 53 treesize of output 15 [2023-11-29 03:25:00,454 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 15 [2023-11-29 03:25:00,474 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 15 [2023-11-29 03:25:00,498 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 03:25:00,499 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 31 treesize of output 33 [2023-11-29 03:25:00,603 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 03:25:00,603 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 54 treesize of output 26 [2023-11-29 03:25:00,651 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 63 proven. 36 refuted. 0 times theorem prover too weak. 265 trivial. 0 not checked. [2023-11-29 03:25:00,651 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 03:25:01,340 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 3 proven. 36 refuted. 0 times theorem prover too weak. 325 trivial. 0 not checked. [2023-11-29 03:25:01,340 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-29 03:25:01,340 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1270523534] [2023-11-29 03:25:01,340 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1270523534] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-29 03:25:01,341 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-29 03:25:01,341 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 7] total 11 [2023-11-29 03:25:01,341 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1852027979] [2023-11-29 03:25:01,341 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-29 03:25:01,342 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-11-29 03:25:01,342 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-29 03:25:01,343 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-11-29 03:25:01,343 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=79, Unknown=0, NotChecked=0, Total=110 [2023-11-29 03:25:01,343 INFO L87 Difference]: Start difference. First operand 115 states and 151 transitions. Second operand has 11 states, 9 states have (on average 8.0) internal successors, (72), 11 states have internal predecessors, (72), 4 states have call successors, (27), 2 states have call predecessors, (27), 4 states have return successors, (27), 2 states have call predecessors, (27), 4 states have call successors, (27) [2023-11-29 03:25:04,195 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.40s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 03:25:08,828 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.99s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 03:25:11,493 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.62s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 03:25:14,453 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 03:25:14,453 INFO L93 Difference]: Finished difference Result 271 states and 353 transitions. [2023-11-29 03:25:14,454 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-11-29 03:25:14,455 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 9 states have (on average 8.0) internal successors, (72), 11 states have internal predecessors, (72), 4 states have call successors, (27), 2 states have call predecessors, (27), 4 states have return successors, (27), 2 states have call predecessors, (27), 4 states have call successors, (27) Word has length 126 [2023-11-29 03:25:14,455 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 03:25:14,456 INFO L225 Difference]: With dead ends: 271 [2023-11-29 03:25:14,456 INFO L226 Difference]: Without dead ends: 157 [2023-11-29 03:25:14,457 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 257 GetRequests, 240 SyntacticMatches, 1 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=85, Invalid=221, Unknown=0, NotChecked=0, Total=306 [2023-11-29 03:25:14,457 INFO L413 NwaCegarLoop]: 57 mSDtfsCounter, 152 mSDsluCounter, 221 mSDsCounter, 0 mSdLazyCounter, 497 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 153 SdHoareTripleChecker+Valid, 278 SdHoareTripleChecker+Invalid, 510 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 497 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.8s IncrementalHoareTripleChecker+Time [2023-11-29 03:25:14,458 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [153 Valid, 278 Invalid, 510 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 497 Invalid, 0 Unknown, 0 Unchecked, 12.8s Time] [2023-11-29 03:25:14,458 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 157 states. [2023-11-29 03:25:14,466 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 157 to 115. [2023-11-29 03:25:14,467 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 115 states, 96 states have (on average 1.2708333333333333) internal successors, (122), 96 states have internal predecessors, (122), 14 states have call successors, (14), 4 states have call predecessors, (14), 4 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2023-11-29 03:25:14,467 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 115 states and 150 transitions. [2023-11-29 03:25:14,467 INFO L78 Accepts]: Start accepts. Automaton has 115 states and 150 transitions. Word has length 126 [2023-11-29 03:25:14,468 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 03:25:14,468 INFO L495 AbstractCegarLoop]: Abstraction has 115 states and 150 transitions. [2023-11-29 03:25:14,468 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 9 states have (on average 8.0) internal successors, (72), 11 states have internal predecessors, (72), 4 states have call successors, (27), 2 states have call predecessors, (27), 4 states have return successors, (27), 2 states have call predecessors, (27), 4 states have call successors, (27) [2023-11-29 03:25:14,468 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 150 transitions. [2023-11-29 03:25:14,469 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2023-11-29 03:25:14,469 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 03:25:14,469 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 03:25:14,478 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fde5eac-99f4-4566-8b84-c396312d1c2e/bin/uautomizer-verify-BQ2R08f2Ya/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 [2023-11-29 03:25:14,669 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fde5eac-99f4-4566-8b84-c396312d1c2e/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-29 03:25:14,670 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 03:25:14,670 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:25:14,670 INFO L85 PathProgramCache]: Analyzing trace with hash 132543504, now seen corresponding path program 1 times [2023-11-29 03:25:14,671 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 03:25:14,671 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [651276317] [2023-11-29 03:25:14,671 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:25:14,671 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-29 03:25:14,671 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fde5eac-99f4-4566-8b84-c396312d1c2e/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 03:25:14,672 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fde5eac-99f4-4566-8b84-c396312d1c2e/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-29 03:25:14,673 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fde5eac-99f4-4566-8b84-c396312d1c2e/bin/uautomizer-verify-BQ2R08f2Ya/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 [2023-11-29 03:25:15,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:25:15,173 INFO L262 TraceCheckSpWp]: Trace formula consists of 274 conjuncts, 14 conjunts are in the unsatisfiable core [2023-11-29 03:25:15,176 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 03:25:15,188 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2023-11-29 03:25:15,196 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 21 [2023-11-29 03:25:15,244 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 03:25:15,244 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 37 treesize of output 24 [2023-11-29 03:25:15,277 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 03:25:15,277 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 37 treesize of output 42 [2023-11-29 03:25:15,545 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2023-11-29 03:25:15,545 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 03:25:15,545 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-29 03:25:15,545 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [651276317] [2023-11-29 03:25:15,545 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [651276317] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 03:25:15,546 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 03:25:15,546 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-11-29 03:25:15,546 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1259613244] [2023-11-29 03:25:15,546 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 03:25:15,547 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-29 03:25:15,547 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-29 03:25:15,547 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-29 03:25:15,547 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2023-11-29 03:25:15,548 INFO L87 Difference]: Start difference. First operand 115 states and 150 transitions. Second operand has 7 states, 7 states have (on average 8.428571428571429) internal successors, (59), 7 states have internal predecessors, (59), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2023-11-29 03:25:16,990 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.13s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 03:25:24,379 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.21s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 03:25:25,634 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 03:25:25,634 INFO L93 Difference]: Finished difference Result 384 states and 495 transitions. [2023-11-29 03:25:25,635 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-11-29 03:25:25,635 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 8.428571428571429) internal successors, (59), 7 states have internal predecessors, (59), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) Word has length 126 [2023-11-29 03:25:25,636 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 03:25:25,638 INFO L225 Difference]: With dead ends: 384 [2023-11-29 03:25:25,638 INFO L226 Difference]: Without dead ends: 270 [2023-11-29 03:25:25,639 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 133 GetRequests, 120 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=70, Invalid=140, Unknown=0, NotChecked=0, Total=210 [2023-11-29 03:25:25,640 INFO L413 NwaCegarLoop]: 178 mSDtfsCounter, 281 mSDsluCounter, 608 mSDsCounter, 0 mSdLazyCounter, 386 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 281 SdHoareTripleChecker+Valid, 786 SdHoareTripleChecker+Invalid, 407 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 386 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.6s IncrementalHoareTripleChecker+Time [2023-11-29 03:25:25,640 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [281 Valid, 786 Invalid, 407 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 386 Invalid, 0 Unknown, 0 Unchecked, 9.6s Time] [2023-11-29 03:25:25,641 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 270 states. [2023-11-29 03:25:25,660 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 270 to 118. [2023-11-29 03:25:25,661 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 118 states, 99 states have (on average 1.2626262626262625) internal successors, (125), 99 states have internal predecessors, (125), 14 states have call successors, (14), 4 states have call predecessors, (14), 4 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2023-11-29 03:25:25,662 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 118 states and 153 transitions. [2023-11-29 03:25:25,662 INFO L78 Accepts]: Start accepts. Automaton has 118 states and 153 transitions. Word has length 126 [2023-11-29 03:25:25,662 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 03:25:25,662 INFO L495 AbstractCegarLoop]: Abstraction has 118 states and 153 transitions. [2023-11-29 03:25:25,662 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 8.428571428571429) internal successors, (59), 7 states have internal predecessors, (59), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2023-11-29 03:25:25,662 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 153 transitions. [2023-11-29 03:25:25,663 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2023-11-29 03:25:25,663 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 03:25:25,663 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 03:25:25,675 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fde5eac-99f4-4566-8b84-c396312d1c2e/bin/uautomizer-verify-BQ2R08f2Ya/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 [2023-11-29 03:25:25,864 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fde5eac-99f4-4566-8b84-c396312d1c2e/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-29 03:25:25,864 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 03:25:25,864 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:25:25,864 INFO L85 PathProgramCache]: Analyzing trace with hash -1372839347, now seen corresponding path program 1 times [2023-11-29 03:25:25,865 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 03:25:25,865 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1332874653] [2023-11-29 03:25:25,865 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:25:25,865 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-29 03:25:25,865 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fde5eac-99f4-4566-8b84-c396312d1c2e/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 03:25:25,866 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fde5eac-99f4-4566-8b84-c396312d1c2e/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-29 03:25:25,867 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fde5eac-99f4-4566-8b84-c396312d1c2e/bin/uautomizer-verify-BQ2R08f2Ya/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 [2023-11-29 03:25:26,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:25:26,304 INFO L262 TraceCheckSpWp]: Trace formula consists of 272 conjuncts, 28 conjunts are in the unsatisfiable core [2023-11-29 03:25:26,309 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 03:25:26,316 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2023-11-29 03:25:26,464 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 15 [2023-11-29 03:25:26,573 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 25 [2023-11-29 03:25:26,870 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 03:25:26,870 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 41 treesize of output 28 [2023-11-29 03:25:27,052 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 03:25:27,052 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 41 treesize of output 28 [2023-11-29 03:25:27,266 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 03:25:27,266 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 41 treesize of output 28 [2023-11-29 03:25:27,479 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 03:25:27,480 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 41 treesize of output 28 [2023-11-29 03:25:27,691 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 03:25:27,691 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 41 treesize of output 28 [2023-11-29 03:25:27,941 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 03:25:27,941 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 65 treesize of output 48 [2023-11-29 03:25:28,078 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 03:25:28,078 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 58 treesize of output 51 [2023-11-29 03:25:28,157 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 03:25:28,158 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 58 treesize of output 51 [2023-11-29 03:25:28,269 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 03:25:28,269 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 66 treesize of output 30 [2023-11-29 03:25:28,333 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 203 proven. 30 refuted. 0 times theorem prover too weak. 131 trivial. 0 not checked. [2023-11-29 03:25:28,333 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 03:25:29,151 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 9 proven. 30 refuted. 0 times theorem prover too weak. 325 trivial. 0 not checked. [2023-11-29 03:25:29,151 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-29 03:25:29,152 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1332874653] [2023-11-29 03:25:29,152 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1332874653] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-29 03:25:29,152 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-29 03:25:29,152 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 7] total 12 [2023-11-29 03:25:29,152 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1765145722] [2023-11-29 03:25:29,152 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-29 03:25:29,153 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-11-29 03:25:29,153 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-29 03:25:29,154 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-11-29 03:25:29,154 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=94, Unknown=0, NotChecked=0, Total=132 [2023-11-29 03:25:29,154 INFO L87 Difference]: Start difference. First operand 118 states and 153 transitions. Second operand has 12 states, 10 states have (on average 10.7) internal successors, (107), 12 states have internal predecessors, (107), 5 states have call successors, (25), 3 states have call predecessors, (25), 5 states have return successors, (25), 3 states have call predecessors, (25), 5 states have call successors, (25) [2023-11-29 03:25:36,488 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 03:25:36,488 INFO L93 Difference]: Finished difference Result 254 states and 325 transitions. [2023-11-29 03:25:36,489 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2023-11-29 03:25:36,490 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 10 states have (on average 10.7) internal successors, (107), 12 states have internal predecessors, (107), 5 states have call successors, (25), 3 states have call predecessors, (25), 5 states have return successors, (25), 3 states have call predecessors, (25), 5 states have call successors, (25) Word has length 128 [2023-11-29 03:25:36,490 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 03:25:36,491 INFO L225 Difference]: With dead ends: 254 [2023-11-29 03:25:36,491 INFO L226 Difference]: Without dead ends: 137 [2023-11-29 03:25:36,492 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 266 GetRequests, 243 SyntacticMatches, 1 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 83 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=159, Invalid=393, Unknown=0, NotChecked=0, Total=552 [2023-11-29 03:25:36,492 INFO L413 NwaCegarLoop]: 57 mSDtfsCounter, 112 mSDsluCounter, 195 mSDsCounter, 0 mSdLazyCounter, 496 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 117 SdHoareTripleChecker+Valid, 252 SdHoareTripleChecker+Invalid, 514 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 496 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.6s IncrementalHoareTripleChecker+Time [2023-11-29 03:25:36,492 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [117 Valid, 252 Invalid, 514 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 496 Invalid, 0 Unknown, 0 Unchecked, 6.6s Time] [2023-11-29 03:25:36,493 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 137 states. [2023-11-29 03:25:36,511 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 137 to 118. [2023-11-29 03:25:36,512 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 118 states, 99 states have (on average 1.2525252525252526) internal successors, (124), 99 states have internal predecessors, (124), 14 states have call successors, (14), 4 states have call predecessors, (14), 4 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2023-11-29 03:25:36,513 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 118 states and 152 transitions. [2023-11-29 03:25:36,513 INFO L78 Accepts]: Start accepts. Automaton has 118 states and 152 transitions. Word has length 128 [2023-11-29 03:25:36,513 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 03:25:36,514 INFO L495 AbstractCegarLoop]: Abstraction has 118 states and 152 transitions. [2023-11-29 03:25:36,514 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 10 states have (on average 10.7) internal successors, (107), 12 states have internal predecessors, (107), 5 states have call successors, (25), 3 states have call predecessors, (25), 5 states have return successors, (25), 3 states have call predecessors, (25), 5 states have call successors, (25) [2023-11-29 03:25:36,514 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 152 transitions. [2023-11-29 03:25:36,515 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2023-11-29 03:25:36,515 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 03:25:36,515 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 03:25:36,523 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fde5eac-99f4-4566-8b84-c396312d1c2e/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (13)] Ended with exit code 0 [2023-11-29 03:25:36,715 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fde5eac-99f4-4566-8b84-c396312d1c2e/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-29 03:25:36,716 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 03:25:36,716 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:25:36,716 INFO L85 PathProgramCache]: Analyzing trace with hash 927983243, now seen corresponding path program 1 times [2023-11-29 03:25:36,717 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 03:25:36,717 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1863849219] [2023-11-29 03:25:36,717 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:25:36,717 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-29 03:25:36,717 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fde5eac-99f4-4566-8b84-c396312d1c2e/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 03:25:36,718 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fde5eac-99f4-4566-8b84-c396312d1c2e/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-29 03:25:36,719 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fde5eac-99f4-4566-8b84-c396312d1c2e/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (14)] Waiting until timeout for monitored process [2023-11-29 03:25:37,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:25:37,189 INFO L262 TraceCheckSpWp]: Trace formula consists of 274 conjuncts, 41 conjunts are in the unsatisfiable core [2023-11-29 03:25:37,195 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 03:25:37,201 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2023-11-29 03:25:37,350 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 25 [2023-11-29 03:25:38,604 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 03:25:38,605 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 63 treesize of output 38 [2023-11-29 03:25:39,072 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 03:25:39,072 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 63 treesize of output 38 [2023-11-29 03:25:39,591 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 03:25:39,591 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 63 treesize of output 38 [2023-11-29 03:25:40,123 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 03:25:40,123 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 63 treesize of output 38 [2023-11-29 03:25:40,538 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 03:25:40,538 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 63 treesize of output 38 [2023-11-29 03:25:41,093 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 03:25:41,094 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 85 treesize of output 38 [2023-11-29 03:25:41,249 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 03:25:41,250 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 63 treesize of output 38 [2023-11-29 03:25:41,341 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 03:25:41,341 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 63 treesize of output 38 [2023-11-29 03:25:41,882 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 03:25:41,883 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 56 treesize of output 46 [2023-11-29 03:25:42,150 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 03:25:42,150 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 96 treesize of output 48 [2023-11-29 03:25:42,353 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 205 proven. 54 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2023-11-29 03:25:42,354 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 03:25:47,306 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 48 proven. 60 refuted. 0 times theorem prover too weak. 256 trivial. 0 not checked. [2023-11-29 03:25:47,306 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-29 03:25:47,306 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1863849219] [2023-11-29 03:25:47,306 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1863849219] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-29 03:25:47,306 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-29 03:25:47,306 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [20, 19] total 35 [2023-11-29 03:25:47,306 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1479846426] [2023-11-29 03:25:47,307 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-29 03:25:47,307 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 35 states [2023-11-29 03:25:47,307 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-29 03:25:47,308 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 35 interpolants. [2023-11-29 03:25:47,309 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=234, Invalid=956, Unknown=0, NotChecked=0, Total=1190 [2023-11-29 03:25:47,309 INFO L87 Difference]: Start difference. First operand 118 states and 152 transitions. Second operand has 35 states, 29 states have (on average 4.206896551724138) internal successors, (122), 31 states have internal predecessors, (122), 9 states have call successors, (23), 4 states have call predecessors, (23), 8 states have return successors, (23), 6 states have call predecessors, (23), 9 states have call successors, (23) [2023-11-29 03:26:04,872 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 03:26:04,872 INFO L93 Difference]: Finished difference Result 298 states and 374 transitions. [2023-11-29 03:26:04,873 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2023-11-29 03:26:04,873 INFO L78 Accepts]: Start accepts. Automaton has has 35 states, 29 states have (on average 4.206896551724138) internal successors, (122), 31 states have internal predecessors, (122), 9 states have call successors, (23), 4 states have call predecessors, (23), 8 states have return successors, (23), 6 states have call predecessors, (23), 9 states have call successors, (23) Word has length 128 [2023-11-29 03:26:04,874 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 03:26:04,875 INFO L225 Difference]: With dead ends: 298 [2023-11-29 03:26:04,875 INFO L226 Difference]: Without dead ends: 181 [2023-11-29 03:26:04,878 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 277 GetRequests, 215 SyntacticMatches, 6 SemanticMatches, 56 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 792 ImplicationChecksByTransitivity, 7.5s TimeCoverageRelationStatistics Valid=654, Invalid=2652, Unknown=0, NotChecked=0, Total=3306 [2023-11-29 03:26:04,878 INFO L413 NwaCegarLoop]: 67 mSDtfsCounter, 392 mSDsluCounter, 673 mSDsCounter, 0 mSdLazyCounter, 1536 mSolverCounterSat, 78 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 13.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 399 SdHoareTripleChecker+Valid, 740 SdHoareTripleChecker+Invalid, 1614 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 78 IncrementalHoareTripleChecker+Valid, 1536 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 14.6s IncrementalHoareTripleChecker+Time [2023-11-29 03:26:04,879 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [399 Valid, 740 Invalid, 1614 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [78 Valid, 1536 Invalid, 0 Unknown, 0 Unchecked, 14.6s Time] [2023-11-29 03:26:04,880 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 181 states. [2023-11-29 03:26:04,894 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 181 to 124. [2023-11-29 03:26:04,894 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 124 states, 103 states have (on average 1.233009708737864) internal successors, (127), 103 states have internal predecessors, (127), 14 states have call successors, (14), 6 states have call predecessors, (14), 6 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2023-11-29 03:26:04,895 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 124 states and 155 transitions. [2023-11-29 03:26:04,895 INFO L78 Accepts]: Start accepts. Automaton has 124 states and 155 transitions. Word has length 128 [2023-11-29 03:26:04,896 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 03:26:04,896 INFO L495 AbstractCegarLoop]: Abstraction has 124 states and 155 transitions. [2023-11-29 03:26:04,896 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 35 states, 29 states have (on average 4.206896551724138) internal successors, (122), 31 states have internal predecessors, (122), 9 states have call successors, (23), 4 states have call predecessors, (23), 8 states have return successors, (23), 6 states have call predecessors, (23), 9 states have call successors, (23) [2023-11-29 03:26:04,896 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 155 transitions. [2023-11-29 03:26:04,897 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2023-11-29 03:26:04,897 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 03:26:04,897 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 03:26:04,906 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fde5eac-99f4-4566-8b84-c396312d1c2e/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (14)] Forceful destruction successful, exit code 0 [2023-11-29 03:26:05,098 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fde5eac-99f4-4566-8b84-c396312d1c2e/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-29 03:26:05,098 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 03:26:05,098 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:26:05,098 INFO L85 PathProgramCache]: Analyzing trace with hash -1236351667, now seen corresponding path program 1 times [2023-11-29 03:26:05,099 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 03:26:05,099 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [253737730] [2023-11-29 03:26:05,099 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:26:05,099 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-29 03:26:05,099 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fde5eac-99f4-4566-8b84-c396312d1c2e/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 03:26:05,100 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fde5eac-99f4-4566-8b84-c396312d1c2e/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-29 03:26:05,101 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fde5eac-99f4-4566-8b84-c396312d1c2e/bin/uautomizer-verify-BQ2R08f2Ya/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 (15)] Waiting until timeout for monitored process [2023-11-29 03:26:05,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:26:05,555 INFO L262 TraceCheckSpWp]: Trace formula consists of 271 conjuncts, 30 conjunts are in the unsatisfiable core [2023-11-29 03:26:05,560 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 03:26:05,567 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2023-11-29 03:26:05,717 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 25 [2023-11-29 03:26:06,013 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 03:26:06,013 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 41 treesize of output 28 [2023-11-29 03:26:06,244 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 03:26:06,244 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 41 treesize of output 28 [2023-11-29 03:26:06,417 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 03:26:06,417 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 41 treesize of output 28 [2023-11-29 03:26:06,636 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 03:26:06,637 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 41 treesize of output 28 [2023-11-29 03:26:06,866 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 03:26:06,866 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 41 treesize of output 28 [2023-11-29 03:26:07,102 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 03:26:07,103 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 36 treesize of output 38 [2023-11-29 03:26:07,549 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 03:26:07,549 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 79 treesize of output 65 [2023-11-29 03:26:07,739 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 03:26:07,739 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 87 treesize of output 71 [2023-11-29 03:26:07,860 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 03:26:07,860 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 87 treesize of output 71 [2023-11-29 03:26:07,987 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 03:26:07,988 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 87 treesize of output 89 [2023-11-29 03:26:08,375 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 03:26:08,375 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 21 case distinctions, treesize of input 110 treesize of output 46 [2023-11-29 03:26:08,444 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 203 proven. 30 refuted. 0 times theorem prover too weak. 131 trivial. 0 not checked. [2023-11-29 03:26:08,444 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 03:26:09,272 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 9 proven. 30 refuted. 0 times theorem prover too weak. 325 trivial. 0 not checked. [2023-11-29 03:26:09,272 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-29 03:26:09,272 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [253737730] [2023-11-29 03:26:09,272 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [253737730] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-29 03:26:09,272 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-29 03:26:09,273 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 7] total 14 [2023-11-29 03:26:09,273 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [752065486] [2023-11-29 03:26:09,273 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-29 03:26:09,273 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2023-11-29 03:26:09,273 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-29 03:26:09,274 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2023-11-29 03:26:09,274 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=127, Unknown=0, NotChecked=0, Total=182 [2023-11-29 03:26:09,274 INFO L87 Difference]: Start difference. First operand 124 states and 155 transitions. Second operand has 14 states, 12 states have (on average 9.25) internal successors, (111), 14 states have internal predecessors, (111), 6 states have call successors, (25), 3 states have call predecessors, (25), 5 states have return successors, (25), 4 states have call predecessors, (25), 6 states have call successors, (25) [2023-11-29 03:26:12,773 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.14s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-29 03:26:16,145 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.18s for a HTC check with result VALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-29 03:26:19,014 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.85s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-29 03:26:20,353 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.04s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-29 03:26:21,928 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.07s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-29 03:26:26,062 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 03:26:26,062 INFO L93 Difference]: Finished difference Result 321 states and 394 transitions. [2023-11-29 03:26:26,063 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2023-11-29 03:26:26,064 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 12 states have (on average 9.25) internal successors, (111), 14 states have internal predecessors, (111), 6 states have call successors, (25), 3 states have call predecessors, (25), 5 states have return successors, (25), 4 states have call predecessors, (25), 6 states have call successors, (25) Word has length 128 [2023-11-29 03:26:26,064 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 03:26:26,065 INFO L225 Difference]: With dead ends: 321 [2023-11-29 03:26:26,065 INFO L226 Difference]: Without dead ends: 198 [2023-11-29 03:26:26,066 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 270 GetRequests, 241 SyntacticMatches, 1 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 159 ImplicationChecksByTransitivity, 2.2s TimeCoverageRelationStatistics Valid=250, Invalid=620, Unknown=0, NotChecked=0, Total=870 [2023-11-29 03:26:26,067 INFO L413 NwaCegarLoop]: 56 mSDtfsCounter, 389 mSDsluCounter, 215 mSDsCounter, 0 mSdLazyCounter, 546 mSolverCounterSat, 41 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 14.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 396 SdHoareTripleChecker+Valid, 271 SdHoareTripleChecker+Invalid, 587 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 41 IncrementalHoareTripleChecker+Valid, 546 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 15.3s IncrementalHoareTripleChecker+Time [2023-11-29 03:26:26,067 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [396 Valid, 271 Invalid, 587 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [41 Valid, 546 Invalid, 0 Unknown, 0 Unchecked, 15.3s Time] [2023-11-29 03:26:26,068 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 198 states. [2023-11-29 03:26:26,086 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 198 to 128. [2023-11-29 03:26:26,086 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 128 states, 106 states have (on average 1.2169811320754718) internal successors, (129), 106 states have internal predecessors, (129), 14 states have call successors, (14), 7 states have call predecessors, (14), 7 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2023-11-29 03:26:26,087 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 128 states and 157 transitions. [2023-11-29 03:26:26,087 INFO L78 Accepts]: Start accepts. Automaton has 128 states and 157 transitions. Word has length 128 [2023-11-29 03:26:26,087 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 03:26:26,087 INFO L495 AbstractCegarLoop]: Abstraction has 128 states and 157 transitions. [2023-11-29 03:26:26,087 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 12 states have (on average 9.25) internal successors, (111), 14 states have internal predecessors, (111), 6 states have call successors, (25), 3 states have call predecessors, (25), 5 states have return successors, (25), 4 states have call predecessors, (25), 6 states have call successors, (25) [2023-11-29 03:26:26,087 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 157 transitions. [2023-11-29 03:26:26,088 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2023-11-29 03:26:26,088 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 03:26:26,088 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 03:26:26,098 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fde5eac-99f4-4566-8b84-c396312d1c2e/bin/uautomizer-verify-BQ2R08f2Ya/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 (15)] Ended with exit code 0 [2023-11-29 03:26:26,288 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fde5eac-99f4-4566-8b84-c396312d1c2e/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-29 03:26:26,289 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 03:26:26,289 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:26:26,289 INFO L85 PathProgramCache]: Analyzing trace with hash 2037547275, now seen corresponding path program 1 times [2023-11-29 03:26:26,290 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 03:26:26,290 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2075101822] [2023-11-29 03:26:26,290 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:26:26,290 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-29 03:26:26,290 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fde5eac-99f4-4566-8b84-c396312d1c2e/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 03:26:26,291 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fde5eac-99f4-4566-8b84-c396312d1c2e/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-29 03:26:26,292 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fde5eac-99f4-4566-8b84-c396312d1c2e/bin/uautomizer-verify-BQ2R08f2Ya/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 (16)] Waiting until timeout for monitored process [2023-11-29 03:26:26,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:26:26,755 INFO L262 TraceCheckSpWp]: Trace formula consists of 273 conjuncts, 40 conjunts are in the unsatisfiable core [2023-11-29 03:26:26,761 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 03:26:26,768 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2023-11-29 03:26:26,950 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 15 [2023-11-29 03:26:27,898 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 03:26:27,898 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 53 treesize of output 34 [2023-11-29 03:26:28,166 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 03:26:28,167 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 53 treesize of output 34 [2023-11-29 03:26:28,474 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 03:26:28,475 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 53 treesize of output 34 [2023-11-29 03:26:28,759 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 03:26:28,759 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 53 treesize of output 34 [2023-11-29 03:26:29,039 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 03:26:29,039 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 53 treesize of output 34 [2023-11-29 03:26:29,346 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 03:26:29,347 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 75 treesize of output 34 [2023-11-29 03:26:29,381 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 03:26:29,381 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 53 treesize of output 34 [2023-11-29 03:26:29,448 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 03:26:29,448 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 53 treesize of output 34 [2023-11-29 03:26:29,508 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 03:26:29,508 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 53 treesize of output 43 [2023-11-29 03:26:29,945 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 03:26:29,945 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 84 treesize of output 40 [2023-11-29 03:26:30,455 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 205 proven. 54 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2023-11-29 03:26:30,455 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 03:26:35,814 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 48 proven. 60 refuted. 0 times theorem prover too weak. 256 trivial. 0 not checked. [2023-11-29 03:26:35,814 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-29 03:26:35,814 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2075101822] [2023-11-29 03:26:35,815 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2075101822] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-29 03:26:35,815 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-29 03:26:35,815 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [20, 20] total 36 [2023-11-29 03:26:35,815 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [808012672] [2023-11-29 03:26:35,815 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-29 03:26:35,816 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 36 states [2023-11-29 03:26:35,816 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-29 03:26:35,817 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 36 interpolants. [2023-11-29 03:26:35,818 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=210, Invalid=1050, Unknown=0, NotChecked=0, Total=1260 [2023-11-29 03:26:35,818 INFO L87 Difference]: Start difference. First operand 128 states and 157 transitions. Second operand has 36 states, 30 states have (on average 4.066666666666666) internal successors, (122), 33 states have internal predecessors, (122), 9 states have call successors, (23), 4 states have call predecessors, (23), 8 states have return successors, (23), 6 states have call predecessors, (23), 9 states have call successors, (23) [2023-11-29 03:26:42,160 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.29s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 03:26:49,720 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.37s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 03:26:51,556 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.07s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-29 03:26:57,150 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.03s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-29 03:26:59,127 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 03:26:59,127 INFO L93 Difference]: Finished difference Result 367 states and 445 transitions. [2023-11-29 03:26:59,128 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2023-11-29 03:26:59,129 INFO L78 Accepts]: Start accepts. Automaton has has 36 states, 30 states have (on average 4.066666666666666) internal successors, (122), 33 states have internal predecessors, (122), 9 states have call successors, (23), 4 states have call predecessors, (23), 8 states have return successors, (23), 6 states have call predecessors, (23), 9 states have call successors, (23) Word has length 128 [2023-11-29 03:26:59,129 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 03:26:59,130 INFO L225 Difference]: With dead ends: 367 [2023-11-29 03:26:59,130 INFO L226 Difference]: Without dead ends: 240 [2023-11-29 03:26:59,132 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 273 GetRequests, 219 SyntacticMatches, 1 SemanticMatches, 53 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 612 ImplicationChecksByTransitivity, 6.9s TimeCoverageRelationStatistics Valid=602, Invalid=2368, Unknown=0, NotChecked=0, Total=2970 [2023-11-29 03:26:59,132 INFO L413 NwaCegarLoop]: 70 mSDtfsCounter, 635 mSDsluCounter, 751 mSDsCounter, 0 mSdLazyCounter, 1669 mSolverCounterSat, 122 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 19.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 650 SdHoareTripleChecker+Valid, 821 SdHoareTripleChecker+Invalid, 1791 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 122 IncrementalHoareTripleChecker+Valid, 1669 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 20.7s IncrementalHoareTripleChecker+Time [2023-11-29 03:26:59,133 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [650 Valid, 821 Invalid, 1791 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [122 Valid, 1669 Invalid, 0 Unknown, 0 Unchecked, 20.7s Time] [2023-11-29 03:26:59,133 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 240 states. [2023-11-29 03:26:59,151 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 240 to 134. [2023-11-29 03:26:59,151 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 134 states, 112 states have (on average 1.2142857142857142) internal successors, (136), 112 states have internal predecessors, (136), 14 states have call successors, (14), 7 states have call predecessors, (14), 7 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2023-11-29 03:26:59,152 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 134 states and 164 transitions. [2023-11-29 03:26:59,152 INFO L78 Accepts]: Start accepts. Automaton has 134 states and 164 transitions. Word has length 128 [2023-11-29 03:26:59,152 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 03:26:59,152 INFO L495 AbstractCegarLoop]: Abstraction has 134 states and 164 transitions. [2023-11-29 03:26:59,152 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 36 states, 30 states have (on average 4.066666666666666) internal successors, (122), 33 states have internal predecessors, (122), 9 states have call successors, (23), 4 states have call predecessors, (23), 8 states have return successors, (23), 6 states have call predecessors, (23), 9 states have call successors, (23) [2023-11-29 03:26:59,153 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 164 transitions. [2023-11-29 03:26:59,153 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2023-11-29 03:26:59,153 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 03:26:59,153 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 03:26:59,162 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fde5eac-99f4-4566-8b84-c396312d1c2e/bin/uautomizer-verify-BQ2R08f2Ya/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 (16)] Ended with exit code 0 [2023-11-29 03:26:59,354 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fde5eac-99f4-4566-8b84-c396312d1c2e/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-29 03:26:59,354 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 03:26:59,354 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:26:59,354 INFO L85 PathProgramCache]: Analyzing trace with hash 356791933, now seen corresponding path program 1 times [2023-11-29 03:26:59,355 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 03:26:59,355 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [631779818] [2023-11-29 03:26:59,355 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:26:59,355 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-29 03:26:59,355 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fde5eac-99f4-4566-8b84-c396312d1c2e/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 03:26:59,356 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fde5eac-99f4-4566-8b84-c396312d1c2e/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-29 03:26:59,357 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fde5eac-99f4-4566-8b84-c396312d1c2e/bin/uautomizer-verify-BQ2R08f2Ya/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 (17)] Waiting until timeout for monitored process [2023-11-29 03:26:59,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:26:59,902 INFO L262 TraceCheckSpWp]: Trace formula consists of 292 conjuncts, 24 conjunts are in the unsatisfiable core [2023-11-29 03:26:59,907 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 03:26:59,917 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 19 treesize of output 1 [2023-11-29 03:26:59,926 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 47 treesize of output 34 [2023-11-29 03:26:59,986 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 03:26:59,986 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 56 treesize of output 40 [2023-11-29 03:27:00,039 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 03:27:00,039 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 56 treesize of output 40 [2023-11-29 03:27:00,098 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 03:27:00,098 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 56 treesize of output 58 [2023-11-29 03:27:00,869 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 03:27:00,870 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 97 treesize of output 39 [2023-11-29 03:27:00,962 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2023-11-29 03:27:00,962 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 03:27:00,962 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-29 03:27:00,962 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [631779818] [2023-11-29 03:27:00,962 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [631779818] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 03:27:00,962 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 03:27:00,962 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-11-29 03:27:00,963 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [137421257] [2023-11-29 03:27:00,963 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 03:27:00,963 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-29 03:27:00,963 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-29 03:27:00,963 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-29 03:27:00,964 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2023-11-29 03:27:00,964 INFO L87 Difference]: Start difference. First operand 134 states and 164 transitions. Second operand has 8 states, 8 states have (on average 7.625) internal successors, (61), 8 states have internal predecessors, (61), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2023-11-29 03:27:02,443 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.02s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 03:27:11,863 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 03:27:11,863 INFO L93 Difference]: Finished difference Result 397 states and 484 transitions. [2023-11-29 03:27:11,864 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-11-29 03:27:11,865 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 7.625) internal successors, (61), 8 states have internal predecessors, (61), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) Word has length 128 [2023-11-29 03:27:11,865 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 03:27:11,866 INFO L225 Difference]: With dead ends: 397 [2023-11-29 03:27:11,867 INFO L226 Difference]: Without dead ends: 264 [2023-11-29 03:27:11,867 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 131 GetRequests, 121 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=42, Invalid=90, Unknown=0, NotChecked=0, Total=132 [2023-11-29 03:27:11,868 INFO L413 NwaCegarLoop]: 135 mSDtfsCounter, 176 mSDsluCounter, 392 mSDsCounter, 0 mSdLazyCounter, 373 mSolverCounterSat, 34 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 176 SdHoareTripleChecker+Valid, 527 SdHoareTripleChecker+Invalid, 407 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 34 IncrementalHoareTripleChecker+Valid, 373 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.6s IncrementalHoareTripleChecker+Time [2023-11-29 03:27:11,868 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [176 Valid, 527 Invalid, 407 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [34 Valid, 373 Invalid, 0 Unknown, 0 Unchecked, 10.6s Time] [2023-11-29 03:27:11,869 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 264 states. [2023-11-29 03:27:11,887 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 264 to 155. [2023-11-29 03:27:11,888 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 155 states, 133 states have (on average 1.2255639097744362) internal successors, (163), 133 states have internal predecessors, (163), 14 states have call successors, (14), 7 states have call predecessors, (14), 7 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2023-11-29 03:27:11,888 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 155 states and 191 transitions. [2023-11-29 03:27:11,889 INFO L78 Accepts]: Start accepts. Automaton has 155 states and 191 transitions. Word has length 128 [2023-11-29 03:27:11,889 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 03:27:11,889 INFO L495 AbstractCegarLoop]: Abstraction has 155 states and 191 transitions. [2023-11-29 03:27:11,889 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 7.625) internal successors, (61), 8 states have internal predecessors, (61), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2023-11-29 03:27:11,889 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 191 transitions. [2023-11-29 03:27:11,890 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2023-11-29 03:27:11,890 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 03:27:11,890 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 03:27:11,902 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fde5eac-99f4-4566-8b84-c396312d1c2e/bin/uautomizer-verify-BQ2R08f2Ya/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 (17)] Ended with exit code 0 [2023-11-29 03:27:12,091 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fde5eac-99f4-4566-8b84-c396312d1c2e/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-29 03:27:12,091 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 03:27:12,091 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:27:12,092 INFO L85 PathProgramCache]: Analyzing trace with hash 414109817, now seen corresponding path program 1 times [2023-11-29 03:27:12,092 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 03:27:12,092 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [354602425] [2023-11-29 03:27:12,092 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:27:12,092 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-29 03:27:12,092 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fde5eac-99f4-4566-8b84-c396312d1c2e/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 03:27:12,093 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fde5eac-99f4-4566-8b84-c396312d1c2e/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-29 03:27:12,094 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fde5eac-99f4-4566-8b84-c396312d1c2e/bin/uautomizer-verify-BQ2R08f2Ya/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 (18)] Waiting until timeout for monitored process [2023-11-29 03:27:13,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:27:13,138 INFO L262 TraceCheckSpWp]: Trace formula consists of 286 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-29 03:27:13,142 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 03:27:13,154 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2023-11-29 03:27:13,162 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 21 [2023-11-29 03:27:13,199 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 03:27:13,200 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 37 treesize of output 13 [2023-11-29 03:27:13,257 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2023-11-29 03:27:13,257 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 03:27:13,257 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-29 03:27:13,257 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [354602425] [2023-11-29 03:27:13,257 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [354602425] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 03:27:13,257 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 03:27:13,258 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-29 03:27:13,258 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [178741192] [2023-11-29 03:27:13,258 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 03:27:13,258 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-29 03:27:13,258 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-29 03:27:13,259 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-29 03:27:13,259 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-29 03:27:13,259 INFO L87 Difference]: Start difference. First operand 155 states and 191 transitions. Second operand has 4 states, 4 states have (on average 15.25) internal successors, (61), 4 states have internal predecessors, (61), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2023-11-29 03:27:16,722 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.04s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 03:27:17,767 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 03:27:17,767 INFO L93 Difference]: Finished difference Result 386 states and 474 transitions. [2023-11-29 03:27:17,768 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-29 03:27:17,769 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 15.25) internal successors, (61), 4 states have internal predecessors, (61), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) Word has length 128 [2023-11-29 03:27:17,769 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 03:27:17,770 INFO L225 Difference]: With dead ends: 386 [2023-11-29 03:27:17,770 INFO L226 Difference]: Without dead ends: 232 [2023-11-29 03:27:17,771 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 128 GetRequests, 125 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-29 03:27:17,771 INFO L413 NwaCegarLoop]: 145 mSDtfsCounter, 107 mSDsluCounter, 193 mSDsCounter, 0 mSdLazyCounter, 139 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 107 SdHoareTripleChecker+Valid, 338 SdHoareTripleChecker+Invalid, 153 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 139 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.4s IncrementalHoareTripleChecker+Time [2023-11-29 03:27:17,771 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [107 Valid, 338 Invalid, 153 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 139 Invalid, 0 Unknown, 0 Unchecked, 4.4s Time] [2023-11-29 03:27:17,772 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 232 states. [2023-11-29 03:27:17,788 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 232 to 155. [2023-11-29 03:27:17,788 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 155 states, 133 states have (on average 1.218045112781955) internal successors, (162), 133 states have internal predecessors, (162), 14 states have call successors, (14), 7 states have call predecessors, (14), 7 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2023-11-29 03:27:17,789 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 155 states and 190 transitions. [2023-11-29 03:27:17,789 INFO L78 Accepts]: Start accepts. Automaton has 155 states and 190 transitions. Word has length 128 [2023-11-29 03:27:17,789 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 03:27:17,789 INFO L495 AbstractCegarLoop]: Abstraction has 155 states and 190 transitions. [2023-11-29 03:27:17,790 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 15.25) internal successors, (61), 4 states have internal predecessors, (61), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2023-11-29 03:27:17,790 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 190 transitions. [2023-11-29 03:27:17,790 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2023-11-29 03:27:17,790 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 03:27:17,791 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 03:27:17,803 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fde5eac-99f4-4566-8b84-c396312d1c2e/bin/uautomizer-verify-BQ2R08f2Ya/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 (18)] Ended with exit code 0 [2023-11-29 03:27:17,991 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fde5eac-99f4-4566-8b84-c396312d1c2e/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-29 03:27:17,991 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 03:27:17,992 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:27:17,992 INFO L85 PathProgramCache]: Analyzing trace with hash 632964535, now seen corresponding path program 1 times [2023-11-29 03:27:17,992 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 03:27:17,992 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [774746931] [2023-11-29 03:27:17,992 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:27:17,993 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-29 03:27:17,993 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fde5eac-99f4-4566-8b84-c396312d1c2e/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 03:27:17,993 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fde5eac-99f4-4566-8b84-c396312d1c2e/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-29 03:27:17,994 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fde5eac-99f4-4566-8b84-c396312d1c2e/bin/uautomizer-verify-BQ2R08f2Ya/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 (19)] Waiting until timeout for monitored process [2023-11-29 03:27:18,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:27:18,634 INFO L262 TraceCheckSpWp]: Trace formula consists of 286 conjuncts, 35 conjunts are in the unsatisfiable core [2023-11-29 03:27:18,639 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 03:27:19,072 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 19 treesize of output 1 [2023-11-29 03:27:20,029 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 78 treesize of output 32 [2023-11-29 03:27:20,264 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 78 treesize of output 32 [2023-11-29 03:27:20,485 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 73 treesize of output 42 [2023-11-29 03:27:21,001 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 03:27:21,001 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 167 treesize of output 102 [2023-11-29 03:27:21,300 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 03:27:21,301 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 175 treesize of output 99 [2023-11-29 03:27:21,471 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 03:27:21,472 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 175 treesize of output 99 [2023-11-29 03:27:21,645 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 03:27:21,645 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 175 treesize of output 117 [2023-11-29 03:27:22,942 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 03:27:22,943 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 21 case distinctions, treesize of input 270 treesize of output 98 [2023-11-29 03:27:23,175 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 18 proven. 192 refuted. 0 times theorem prover too weak. 154 trivial. 0 not checked. [2023-11-29 03:27:23,176 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 03:27:23,610 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-29 03:27:23,610 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [774746931] [2023-11-29 03:27:23,610 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [774746931] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 03:27:23,610 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [116484231] [2023-11-29 03:27:23,610 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:27:23,610 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-29 03:27:23,611 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fde5eac-99f4-4566-8b84-c396312d1c2e/bin/uautomizer-verify-BQ2R08f2Ya/cvc4 [2023-11-29 03:27:23,611 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fde5eac-99f4-4566-8b84-c396312d1c2e/bin/uautomizer-verify-BQ2R08f2Ya/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-29 03:27:23,618 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fde5eac-99f4-4566-8b84-c396312d1c2e/bin/uautomizer-verify-BQ2R08f2Ya/cvc4 --incremental --print-success --lang smt (20)] Waiting until timeout for monitored process [2023-11-29 03:27:26,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:27:26,478 INFO L262 TraceCheckSpWp]: Trace formula consists of 286 conjuncts, 73 conjunts are in the unsatisfiable core [2023-11-29 03:27:26,484 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 03:27:26,506 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 8 treesize of output 4 [2023-11-29 03:27:27,954 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2023-11-29 03:27:29,243 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 62 treesize of output 30 [2023-11-29 03:27:33,491 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 108 treesize of output 59 [2023-11-29 03:27:39,510 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 03:27:39,510 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 154 treesize of output 88 [2023-11-29 03:27:40,729 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 03:27:40,729 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 15 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 207 treesize of output 115 [2023-11-29 03:27:41,503 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 03:27:41,504 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 193 treesize of output 110 [2023-11-29 03:27:41,784 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 03:27:41,784 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 193 treesize of output 110 [2023-11-29 03:27:42,025 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 03:27:42,025 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 15 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 195 treesize of output 126 [2023-11-29 03:28:18,589 WARN L293 SmtUtils]: Spent 5.80s on a formula simplification that was a NOOP. DAG size: 68 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-11-29 03:28:49,921 WARN L293 SmtUtils]: Spent 5.91s on a formula simplification that was a NOOP. DAG size: 66 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-11-29 03:29:24,199 WARN L293 SmtUtils]: Spent 5.16s on a formula simplification that was a NOOP. DAG size: 66 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-11-29 03:29:24,250 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 03:29:24,250 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 7 select indices, 7 select index equivalence classes, 21 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 21 case distinctions, treesize of input 357 treesize of output 157 [2023-11-29 03:29:28,812 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 204 proven. 12 refuted. 0 times theorem prover too weak. 148 trivial. 0 not checked. [2023-11-29 03:29:28,812 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 03:30:56,089 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2023-11-29 03:30:56,089 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [116484231] provided 1 perfect and 1 imperfect interpolant sequences [2023-11-29 03:30:56,089 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2023-11-29 03:30:56,089 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [15, 31] total 49 [2023-11-29 03:30:56,089 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1690027513] [2023-11-29 03:30:56,089 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 03:30:56,090 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-11-29 03:30:56,090 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-29 03:30:56,090 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-11-29 03:30:56,091 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=408, Invalid=2142, Unknown=0, NotChecked=0, Total=2550 [2023-11-29 03:30:56,091 INFO L87 Difference]: Start difference. First operand 155 states and 190 transitions. Second operand has 9 states, 9 states have (on average 6.777777777777778) internal successors, (61), 9 states have internal predecessors, (61), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2023-11-29 03:31:01,765 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 03:31:07,264 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.28s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 03:31:10,283 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.19s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 03:31:13,692 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.05s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 03:31:25,216 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.33s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2023-11-29 03:31:39,809 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.67s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2023-11-29 03:31:43,714 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.90s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2023-11-29 03:31:46,726 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.79s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2023-11-29 03:31:49,595 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.04s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2023-11-29 03:31:52,182 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.75s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2023-11-29 03:31:53,850 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.67s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2023-11-29 03:31:54,987 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.14s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2023-11-29 03:31:56,818 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.78s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2023-11-29 03:31:57,826 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.01s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2023-11-29 03:32:01,846 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2023-11-29 03:32:05,891 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2023-11-29 03:32:08,973 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.08s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2023-11-29 03:32:15,232 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2023-11-29 03:32:19,276 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2023-11-29 03:32:20,371 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.10s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2023-11-29 03:32:25,319 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.58s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2023-11-29 03:32:29,371 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2023-11-29 03:32:30,762 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.39s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2023-11-29 03:32:34,546 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.58s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2023-11-29 03:32:41,784 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.00s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 03:32:44,619 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.23s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 03:32:45,627 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.01s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 03:32:48,553 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.27s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 03:32:53,743 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.09s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 03:32:55,822 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.00s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 03:32:58,773 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.31s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 03:33:00,682 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.33s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 03:33:03,241 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.52s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 03:33:06,238 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.32s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 03:33:08,047 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.81s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 03:33:24,992 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 03:33:26,420 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.31s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 03:33:42,277 WARN L293 SmtUtils]: Spent 5.59s on a formula simplification that was a NOOP. DAG size: 54 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-11-29 03:34:39,972 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.25s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 03:34:56,713 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2023-11-29 03:35:00,757 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2023-11-29 03:35:02,472 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.63s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2023-11-29 03:35:04,659 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.10s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2023-11-29 03:35:20,284 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.02s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 03:35:25,226 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.01s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 03:35:33,595 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.50s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2023-11-29 03:35:35,350 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.03s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2023-11-29 03:35:39,283 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.06s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2023-11-29 03:35:43,254 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.05s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2023-11-29 03:35:43,806 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 03:35:43,806 INFO L93 Difference]: Finished difference Result 405 states and 497 transitions. [2023-11-29 03:35:43,807 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2023-11-29 03:35:43,808 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 6.777777777777778) internal successors, (61), 9 states have internal predecessors, (61), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) Word has length 128 [2023-11-29 03:35:43,808 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 03:35:43,809 INFO L225 Difference]: With dead ends: 405 [2023-11-29 03:35:43,809 INFO L226 Difference]: Without dead ends: 251 [2023-11-29 03:35:43,811 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 419 GetRequests, 356 SyntacticMatches, 3 SemanticMatches, 60 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1189 ImplicationChecksByTransitivity, 236.3s TimeCoverageRelationStatistics Valid=585, Invalid=3197, Unknown=0, NotChecked=0, Total=3782 [2023-11-29 03:35:43,812 INFO L413 NwaCegarLoop]: 112 mSDtfsCounter, 149 mSDsluCounter, 550 mSDsCounter, 0 mSdLazyCounter, 538 mSolverCounterSat, 54 mSolverCounterUnsat, 10 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 202.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 149 SdHoareTripleChecker+Valid, 662 SdHoareTripleChecker+Invalid, 602 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 54 IncrementalHoareTripleChecker+Valid, 538 IncrementalHoareTripleChecker+Invalid, 10 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 207.3s IncrementalHoareTripleChecker+Time [2023-11-29 03:35:43,812 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [149 Valid, 662 Invalid, 602 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [54 Valid, 538 Invalid, 10 Unknown, 0 Unchecked, 207.3s Time] [2023-11-29 03:35:43,813 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 251 states. [2023-11-29 03:35:43,836 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 251 to 182. [2023-11-29 03:35:43,837 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 182 states, 160 states have (on average 1.225) internal successors, (196), 160 states have internal predecessors, (196), 14 states have call successors, (14), 7 states have call predecessors, (14), 7 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2023-11-29 03:35:43,838 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 182 states to 182 states and 224 transitions. [2023-11-29 03:35:43,838 INFO L78 Accepts]: Start accepts. Automaton has 182 states and 224 transitions. Word has length 128 [2023-11-29 03:35:43,838 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 03:35:43,838 INFO L495 AbstractCegarLoop]: Abstraction has 182 states and 224 transitions. [2023-11-29 03:35:43,838 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 6.777777777777778) internal successors, (61), 9 states have internal predecessors, (61), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2023-11-29 03:35:43,839 INFO L276 IsEmpty]: Start isEmpty. Operand 182 states and 224 transitions. [2023-11-29 03:35:43,839 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2023-11-29 03:35:43,839 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 03:35:43,839 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 03:35:43,849 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fde5eac-99f4-4566-8b84-c396312d1c2e/bin/uautomizer-verify-BQ2R08f2Ya/cvc4 --incremental --print-success --lang smt (20)] Ended with exit code 0 [2023-11-29 03:35:44,050 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fde5eac-99f4-4566-8b84-c396312d1c2e/bin/uautomizer-verify-BQ2R08f2Ya/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 (19)] Ended with exit code 0 [2023-11-29 03:35:44,240 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 20 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fde5eac-99f4-4566-8b84-c396312d1c2e/bin/uautomizer-verify-BQ2R08f2Ya/cvc4 --incremental --print-success --lang smt,19 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fde5eac-99f4-4566-8b84-c396312d1c2e/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-29 03:35:44,240 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 03:35:44,240 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:35:44,240 INFO L85 PathProgramCache]: Analyzing trace with hash -176382091, now seen corresponding path program 1 times [2023-11-29 03:35:44,241 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 03:35:44,241 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [623095733] [2023-11-29 03:35:44,241 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:35:44,241 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-29 03:35:44,241 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fde5eac-99f4-4566-8b84-c396312d1c2e/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 03:35:44,242 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fde5eac-99f4-4566-8b84-c396312d1c2e/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-29 03:35:44,243 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fde5eac-99f4-4566-8b84-c396312d1c2e/bin/uautomizer-verify-BQ2R08f2Ya/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 (21)] Waiting until timeout for monitored process