./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount250_file-28.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86d3ebc2-5843-4c82-b934-e1d271ba307e/bin/uautomizer-verify-BQ2R08f2Ya/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86d3ebc2-5843-4c82-b934-e1d271ba307e/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_86d3ebc2-5843-4c82-b934-e1d271ba307e/bin/uautomizer-verify-BQ2R08f2Ya/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86d3ebc2-5843-4c82-b934-e1d271ba307e/bin/uautomizer-verify-BQ2R08f2Ya/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount250_file-28.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86d3ebc2-5843-4c82-b934-e1d271ba307e/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_86d3ebc2-5843-4c82-b934-e1d271ba307e/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 3fb6d49eff13d62236c26c76112d3edbdbe5247c358b6cacd9ecacff32cf6529 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-29 02:07:33,777 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-29 02:07:33,844 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86d3ebc2-5843-4c82-b934-e1d271ba307e/bin/uautomizer-verify-BQ2R08f2Ya/config/svcomp-Reach-32bit-Automizer_Default.epf [2023-11-29 02:07:33,848 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-29 02:07:33,849 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-29 02:07:33,873 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-29 02:07:33,874 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-29 02:07:33,874 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-29 02:07:33,875 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-29 02:07:33,876 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-29 02:07:33,876 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-29 02:07:33,877 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-29 02:07:33,877 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-29 02:07:33,878 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-29 02:07:33,878 INFO L153 SettingsManager]: * Use SBE=true [2023-11-29 02:07:33,879 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-29 02:07:33,879 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-29 02:07:33,880 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-29 02:07:33,880 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-29 02:07:33,881 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-29 02:07:33,881 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-29 02:07:33,884 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-29 02:07:33,884 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-29 02:07:33,885 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-29 02:07:33,885 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-29 02:07:33,886 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-29 02:07:33,886 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-29 02:07:33,887 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-29 02:07:33,887 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-29 02:07:33,887 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-29 02:07:33,888 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-29 02:07:33,888 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-29 02:07:33,888 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-29 02:07:33,889 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-29 02:07:33,889 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-29 02:07:33,889 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-29 02:07:33,889 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-29 02:07:33,889 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-29 02:07:33,890 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-29 02:07:33,890 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-29 02:07:33,890 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-29 02:07:33,890 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-29 02:07:33,891 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_86d3ebc2-5843-4c82-b934-e1d271ba307e/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86d3ebc2-5843-4c82-b934-e1d271ba307e/bin/uautomizer-verify-BQ2R08f2Ya Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3fb6d49eff13d62236c26c76112d3edbdbe5247c358b6cacd9ecacff32cf6529 [2023-11-29 02:07:34,135 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-29 02:07:34,163 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-29 02:07:34,165 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-29 02:07:34,167 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-29 02:07:34,167 INFO L274 PluginConnector]: CDTParser initialized [2023-11-29 02:07:34,168 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86d3ebc2-5843-4c82-b934-e1d271ba307e/bin/uautomizer-verify-BQ2R08f2Ya/../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount250_file-28.i [2023-11-29 02:07:36,914 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-29 02:07:37,141 INFO L384 CDTParser]: Found 1 translation units. [2023-11-29 02:07:37,141 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86d3ebc2-5843-4c82-b934-e1d271ba307e/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount250_file-28.i [2023-11-29 02:07:37,155 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86d3ebc2-5843-4c82-b934-e1d271ba307e/bin/uautomizer-verify-BQ2R08f2Ya/data/72bcde57a/b4d638564ab84287905a003e29ed1294/FLAG98b3f6ed7 [2023-11-29 02:07:37,169 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86d3ebc2-5843-4c82-b934-e1d271ba307e/bin/uautomizer-verify-BQ2R08f2Ya/data/72bcde57a/b4d638564ab84287905a003e29ed1294 [2023-11-29 02:07:37,171 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-29 02:07:37,173 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-29 02:07:37,174 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-29 02:07:37,174 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-29 02:07:37,179 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-29 02:07:37,179 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 02:07:37" (1/1) ... [2023-11-29 02:07:37,180 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@76153038 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:07:37, skipping insertion in model container [2023-11-29 02:07:37,180 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 02:07:37" (1/1) ... [2023-11-29 02:07:37,234 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-29 02:07:37,362 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_86d3ebc2-5843-4c82-b934-e1d271ba307e/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount250_file-28.i[916,929] [2023-11-29 02:07:37,508 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 02:07:37,523 INFO L202 MainTranslator]: Completed pre-run [2023-11-29 02:07:37,550 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_86d3ebc2-5843-4c82-b934-e1d271ba307e/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount250_file-28.i[916,929] [2023-11-29 02:07:37,629 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 02:07:37,645 INFO L206 MainTranslator]: Completed translation [2023-11-29 02:07:37,646 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:07:37 WrapperNode [2023-11-29 02:07:37,646 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-29 02:07:37,647 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-29 02:07:37,647 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-29 02:07:37,647 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-29 02:07:37,654 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:07:37" (1/1) ... [2023-11-29 02:07:37,671 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:07:37" (1/1) ... [2023-11-29 02:07:37,750 INFO L138 Inliner]: procedures = 26, calls = 56, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 404 [2023-11-29 02:07:37,751 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-29 02:07:37,751 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-29 02:07:37,752 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-29 02:07:37,752 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-29 02:07:37,763 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:07:37" (1/1) ... [2023-11-29 02:07:37,763 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:07:37" (1/1) ... [2023-11-29 02:07:37,774 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:07:37" (1/1) ... [2023-11-29 02:07:37,819 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2023-11-29 02:07:37,819 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:07:37" (1/1) ... [2023-11-29 02:07:37,819 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:07:37" (1/1) ... [2023-11-29 02:07:37,837 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:07:37" (1/1) ... [2023-11-29 02:07:37,842 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:07:37" (1/1) ... [2023-11-29 02:07:37,849 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:07:37" (1/1) ... [2023-11-29 02:07:37,858 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:07:37" (1/1) ... [2023-11-29 02:07:37,872 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-29 02:07:37,873 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-29 02:07:37,873 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-29 02:07:37,873 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-29 02:07:37,874 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:07:37" (1/1) ... [2023-11-29 02:07:37,879 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-29 02:07:37,890 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86d3ebc2-5843-4c82-b934-e1d271ba307e/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 02:07:37,901 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86d3ebc2-5843-4c82-b934-e1d271ba307e/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2023-11-29 02:07:37,904 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86d3ebc2-5843-4c82-b934-e1d271ba307e/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2023-11-29 02:07:37,937 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-29 02:07:37,937 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-29 02:07:37,937 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-29 02:07:37,938 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-11-29 02:07:37,938 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-29 02:07:37,938 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-29 02:07:38,053 INFO L241 CfgBuilder]: Building ICFG [2023-11-29 02:07:38,055 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-29 02:07:38,815 INFO L282 CfgBuilder]: Performing block encoding [2023-11-29 02:07:38,850 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-29 02:07:38,850 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-29 02:07:38,851 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 02:07:38 BoogieIcfgContainer [2023-11-29 02:07:38,851 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-29 02:07:38,853 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-29 02:07:38,853 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-29 02:07:38,857 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-29 02:07:38,857 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.11 02:07:37" (1/3) ... [2023-11-29 02:07:38,857 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@fdfa7d3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 02:07:38, skipping insertion in model container [2023-11-29 02:07:38,858 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:07:37" (2/3) ... [2023-11-29 02:07:38,858 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@fdfa7d3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 02:07:38, skipping insertion in model container [2023-11-29 02:07:38,858 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 02:07:38" (3/3) ... [2023-11-29 02:07:38,860 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_operatoramount_amount250_file-28.i [2023-11-29 02:07:38,878 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-29 02:07:38,879 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-29 02:07:38,932 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-29 02:07:38,939 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;@fa70993, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-29 02:07:38,939 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-29 02:07:38,945 INFO L276 IsEmpty]: Start isEmpty. Operand has 160 states, 114 states have (on average 1.5701754385964912) internal successors, (179), 115 states have internal predecessors, (179), 43 states have call successors, (43), 1 states have call predecessors, (43), 1 states have return successors, (43), 43 states have call predecessors, (43), 43 states have call successors, (43) [2023-11-29 02:07:38,966 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 294 [2023-11-29 02:07:38,966 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 02:07:38,967 INFO L195 NwaCegarLoop]: trace histogram [43, 43, 43, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:07:38,968 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 02:07:38,971 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:07:38,972 INFO L85 PathProgramCache]: Analyzing trace with hash 27701164, now seen corresponding path program 1 times [2023-11-29 02:07:38,979 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 02:07:38,979 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [604461165] [2023-11-29 02:07:38,980 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:07:38,980 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 02:07:39,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:07:39,230 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 02:07:39,231 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [604461165] [2023-11-29 02:07:39,231 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unsupported non-linear arithmetic [2023-11-29 02:07:39,232 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1291916615] [2023-11-29 02:07:39,232 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:07:39,232 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 02:07:39,232 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86d3ebc2-5843-4c82-b934-e1d271ba307e/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 02:07:39,236 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86d3ebc2-5843-4c82-b934-e1d271ba307e/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 02:07:39,237 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86d3ebc2-5843-4c82-b934-e1d271ba307e/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-29 02:07:39,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:07:39,546 INFO L262 TraceCheckSpWp]: Trace formula consists of 718 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-29 02:07:39,560 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 02:07:39,620 INFO L134 CoverageAnalysis]: Checked inductivity of 3612 backedges. 84 proven. 0 refuted. 0 times theorem prover too weak. 3528 trivial. 0 not checked. [2023-11-29 02:07:39,620 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 02:07:39,621 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1291916615] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 02:07:39,621 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 02:07:39,621 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 02:07:39,624 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [233534451] [2023-11-29 02:07:39,624 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 02:07:39,629 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-29 02:07:39,630 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 02:07:39,653 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-29 02:07:39,654 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-29 02:07:39,656 INFO L87 Difference]: Start difference. First operand has 160 states, 114 states have (on average 1.5701754385964912) internal successors, (179), 115 states have internal predecessors, (179), 43 states have call successors, (43), 1 states have call predecessors, (43), 1 states have return successors, (43), 43 states have call predecessors, (43), 43 states have call successors, (43) Second operand has 2 states, 2 states have (on average 41.5) internal successors, (83), 2 states have internal predecessors, (83), 2 states have call successors, (43), 2 states have call predecessors, (43), 1 states have return successors, (43), 1 states have call predecessors, (43), 2 states have call successors, (43) [2023-11-29 02:07:39,710 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 02:07:39,710 INFO L93 Difference]: Finished difference Result 317 states and 571 transitions. [2023-11-29 02:07:39,712 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-29 02:07:39,713 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 41.5) internal successors, (83), 2 states have internal predecessors, (83), 2 states have call successors, (43), 2 states have call predecessors, (43), 1 states have return successors, (43), 1 states have call predecessors, (43), 2 states have call successors, (43) Word has length 293 [2023-11-29 02:07:39,713 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 02:07:39,723 INFO L225 Difference]: With dead ends: 317 [2023-11-29 02:07:39,723 INFO L226 Difference]: Without dead ends: 158 [2023-11-29 02:07:39,728 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 292 GetRequests, 292 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 02:07:39,732 INFO L413 NwaCegarLoop]: 257 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 257 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-29 02:07:39,733 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 257 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-29 02:07:39,750 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 158 states. [2023-11-29 02:07:39,786 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 158 to 158. [2023-11-29 02:07:39,788 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 158 states, 113 states have (on average 1.5398230088495575) internal successors, (174), 113 states have internal predecessors, (174), 43 states have call successors, (43), 1 states have call predecessors, (43), 1 states have return successors, (43), 43 states have call predecessors, (43), 43 states have call successors, (43) [2023-11-29 02:07:39,791 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 158 states and 260 transitions. [2023-11-29 02:07:39,792 INFO L78 Accepts]: Start accepts. Automaton has 158 states and 260 transitions. Word has length 293 [2023-11-29 02:07:39,793 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 02:07:39,793 INFO L495 AbstractCegarLoop]: Abstraction has 158 states and 260 transitions. [2023-11-29 02:07:39,793 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 41.5) internal successors, (83), 2 states have internal predecessors, (83), 2 states have call successors, (43), 2 states have call predecessors, (43), 1 states have return successors, (43), 1 states have call predecessors, (43), 2 states have call successors, (43) [2023-11-29 02:07:39,794 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 260 transitions. [2023-11-29 02:07:39,800 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 294 [2023-11-29 02:07:39,801 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 02:07:39,801 INFO L195 NwaCegarLoop]: trace histogram [43, 43, 43, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:07:39,809 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86d3ebc2-5843-4c82-b934-e1d271ba307e/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-11-29 02:07:40,002 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86d3ebc2-5843-4c82-b934-e1d271ba307e/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2023-11-29 02:07:40,002 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 02:07:40,003 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:07:40,003 INFO L85 PathProgramCache]: Analyzing trace with hash 1560696242, now seen corresponding path program 1 times [2023-11-29 02:07:40,003 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 02:07:40,004 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1553195888] [2023-11-29 02:07:40,004 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:07:40,004 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 02:07:40,088 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-29 02:07:40,088 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1232019534] [2023-11-29 02:07:40,089 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:07:40,089 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 02:07:40,089 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86d3ebc2-5843-4c82-b934-e1d271ba307e/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 02:07:40,090 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86d3ebc2-5843-4c82-b934-e1d271ba307e/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 02:07:40,096 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86d3ebc2-5843-4c82-b934-e1d271ba307e/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-11-29 02:07:40,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:07:40,341 INFO L262 TraceCheckSpWp]: Trace formula consists of 718 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-29 02:07:40,349 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 02:07:40,617 INFO L134 CoverageAnalysis]: Checked inductivity of 3612 backedges. 1836 proven. 57 refuted. 0 times theorem prover too weak. 1719 trivial. 0 not checked. [2023-11-29 02:07:40,617 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 02:07:40,904 INFO L134 CoverageAnalysis]: Checked inductivity of 3612 backedges. 69 proven. 57 refuted. 0 times theorem prover too weak. 3486 trivial. 0 not checked. [2023-11-29 02:07:40,904 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 02:07:40,904 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1553195888] [2023-11-29 02:07:40,904 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-29 02:07:40,905 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1232019534] [2023-11-29 02:07:40,905 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1232019534] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-29 02:07:40,905 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-29 02:07:40,905 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 7 [2023-11-29 02:07:40,906 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1137931752] [2023-11-29 02:07:40,906 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-29 02:07:40,908 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-29 02:07:40,908 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 02:07:40,909 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-29 02:07:40,910 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2023-11-29 02:07:40,910 INFO L87 Difference]: Start difference. First operand 158 states and 260 transitions. Second operand has 7 states, 7 states have (on average 12.857142857142858) internal successors, (90), 7 states have internal predecessors, (90), 2 states have call successors, (62), 2 states have call predecessors, (62), 4 states have return successors, (63), 2 states have call predecessors, (63), 2 states have call successors, (63) [2023-11-29 02:07:41,337 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 02:07:41,338 INFO L93 Difference]: Finished difference Result 320 states and 522 transitions. [2023-11-29 02:07:41,338 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-11-29 02:07:41,339 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 12.857142857142858) internal successors, (90), 7 states have internal predecessors, (90), 2 states have call successors, (62), 2 states have call predecessors, (62), 4 states have return successors, (63), 2 states have call predecessors, (63), 2 states have call successors, (63) Word has length 293 [2023-11-29 02:07:41,341 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 02:07:41,344 INFO L225 Difference]: With dead ends: 320 [2023-11-29 02:07:41,344 INFO L226 Difference]: Without dead ends: 163 [2023-11-29 02:07:41,346 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 588 GetRequests, 578 SyntacticMatches, 1 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=45, Invalid=65, Unknown=0, NotChecked=0, Total=110 [2023-11-29 02:07:41,347 INFO L413 NwaCegarLoop]: 201 mSDtfsCounter, 314 mSDsluCounter, 312 mSDsCounter, 0 mSdLazyCounter, 244 mSolverCounterSat, 60 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 337 SdHoareTripleChecker+Valid, 513 SdHoareTripleChecker+Invalid, 304 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 60 IncrementalHoareTripleChecker+Valid, 244 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-11-29 02:07:41,348 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [337 Valid, 513 Invalid, 304 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [60 Valid, 244 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-11-29 02:07:41,350 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 163 states. [2023-11-29 02:07:41,377 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 163 to 161. [2023-11-29 02:07:41,378 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 161 states, 115 states have (on average 1.4956521739130435) internal successors, (172), 115 states have internal predecessors, (172), 43 states have call successors, (43), 2 states have call predecessors, (43), 2 states have return successors, (43), 43 states have call predecessors, (43), 43 states have call successors, (43) [2023-11-29 02:07:41,380 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 161 states to 161 states and 258 transitions. [2023-11-29 02:07:41,381 INFO L78 Accepts]: Start accepts. Automaton has 161 states and 258 transitions. Word has length 293 [2023-11-29 02:07:41,382 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 02:07:41,383 INFO L495 AbstractCegarLoop]: Abstraction has 161 states and 258 transitions. [2023-11-29 02:07:41,383 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 12.857142857142858) internal successors, (90), 7 states have internal predecessors, (90), 2 states have call successors, (62), 2 states have call predecessors, (62), 4 states have return successors, (63), 2 states have call predecessors, (63), 2 states have call successors, (63) [2023-11-29 02:07:41,383 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 258 transitions. [2023-11-29 02:07:41,389 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 295 [2023-11-29 02:07:41,389 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 02:07:41,390 INFO L195 NwaCegarLoop]: trace histogram [43, 43, 43, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:07:41,398 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86d3ebc2-5843-4c82-b934-e1d271ba307e/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2023-11-29 02:07:41,590 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86d3ebc2-5843-4c82-b934-e1d271ba307e/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 02:07:41,591 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 02:07:41,591 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:07:41,591 INFO L85 PathProgramCache]: Analyzing trace with hash 1162126330, now seen corresponding path program 1 times [2023-11-29 02:07:41,592 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 02:07:41,592 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1249593134] [2023-11-29 02:07:41,592 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:07:41,592 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 02:07:41,678 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-29 02:07:41,678 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [12518492] [2023-11-29 02:07:41,678 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:07:41,678 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 02:07:41,679 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86d3ebc2-5843-4c82-b934-e1d271ba307e/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 02:07:41,680 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86d3ebc2-5843-4c82-b934-e1d271ba307e/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 02:07:41,682 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86d3ebc2-5843-4c82-b934-e1d271ba307e/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-11-29 02:07:41,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:07:41,978 INFO L262 TraceCheckSpWp]: Trace formula consists of 721 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-29 02:07:41,989 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 02:07:42,055 INFO L134 CoverageAnalysis]: Checked inductivity of 3612 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3612 trivial. 0 not checked. [2023-11-29 02:07:42,055 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 02:07:42,055 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 02:07:42,056 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1249593134] [2023-11-29 02:07:42,056 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-29 02:07:42,056 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [12518492] [2023-11-29 02:07:42,056 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [12518492] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 02:07:42,056 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 02:07:42,056 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-29 02:07:42,057 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1354971130] [2023-11-29 02:07:42,057 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 02:07:42,058 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-29 02:07:42,058 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 02:07:42,059 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-29 02:07:42,059 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-29 02:07:42,059 INFO L87 Difference]: Start difference. First operand 161 states and 258 transitions. Second operand has 4 states, 4 states have (on average 20.5) internal successors, (82), 4 states have internal predecessors, (82), 1 states have call successors, (43), 1 states have call predecessors, (43), 1 states have return successors, (43), 1 states have call predecessors, (43), 1 states have call successors, (43) [2023-11-29 02:07:42,426 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 02:07:42,427 INFO L93 Difference]: Finished difference Result 434 states and 691 transitions. [2023-11-29 02:07:42,427 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-29 02:07:42,428 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 20.5) internal successors, (82), 4 states have internal predecessors, (82), 1 states have call successors, (43), 1 states have call predecessors, (43), 1 states have return successors, (43), 1 states have call predecessors, (43), 1 states have call successors, (43) Word has length 294 [2023-11-29 02:07:42,429 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 02:07:42,431 INFO L225 Difference]: With dead ends: 434 [2023-11-29 02:07:42,432 INFO L226 Difference]: Without dead ends: 274 [2023-11-29 02:07:42,433 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 294 GetRequests, 291 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 02:07:42,434 INFO L413 NwaCegarLoop]: 255 mSDtfsCounter, 235 mSDsluCounter, 345 mSDsCounter, 0 mSdLazyCounter, 150 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 235 SdHoareTripleChecker+Valid, 600 SdHoareTripleChecker+Invalid, 152 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 150 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-11-29 02:07:42,435 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [235 Valid, 600 Invalid, 152 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 150 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-11-29 02:07:42,436 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 274 states. [2023-11-29 02:07:42,475 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 274 to 180. [2023-11-29 02:07:42,475 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 180 states, 134 states have (on average 1.5149253731343284) internal successors, (203), 134 states have internal predecessors, (203), 43 states have call successors, (43), 2 states have call predecessors, (43), 2 states have return successors, (43), 43 states have call predecessors, (43), 43 states have call successors, (43) [2023-11-29 02:07:42,477 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 180 states to 180 states and 289 transitions. [2023-11-29 02:07:42,478 INFO L78 Accepts]: Start accepts. Automaton has 180 states and 289 transitions. Word has length 294 [2023-11-29 02:07:42,479 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 02:07:42,479 INFO L495 AbstractCegarLoop]: Abstraction has 180 states and 289 transitions. [2023-11-29 02:07:42,479 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 20.5) internal successors, (82), 4 states have internal predecessors, (82), 1 states have call successors, (43), 1 states have call predecessors, (43), 1 states have return successors, (43), 1 states have call predecessors, (43), 1 states have call successors, (43) [2023-11-29 02:07:42,479 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 289 transitions. [2023-11-29 02:07:42,484 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 295 [2023-11-29 02:07:42,484 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 02:07:42,484 INFO L195 NwaCegarLoop]: trace histogram [43, 43, 43, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:07:42,491 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86d3ebc2-5843-4c82-b934-e1d271ba307e/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2023-11-29 02:07:42,685 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86d3ebc2-5843-4c82-b934-e1d271ba307e/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 02:07:42,685 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 02:07:42,686 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:07:42,686 INFO L85 PathProgramCache]: Analyzing trace with hash 1717539330, now seen corresponding path program 1 times [2023-11-29 02:07:42,686 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 02:07:42,686 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [816449485] [2023-11-29 02:07:42,686 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:07:42,687 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 02:07:42,744 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-29 02:07:42,744 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1813165267] [2023-11-29 02:07:42,745 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:07:42,745 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 02:07:42,745 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86d3ebc2-5843-4c82-b934-e1d271ba307e/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 02:07:42,746 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86d3ebc2-5843-4c82-b934-e1d271ba307e/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 02:07:42,748 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86d3ebc2-5843-4c82-b934-e1d271ba307e/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-11-29 02:07:42,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:07:42,983 INFO L262 TraceCheckSpWp]: Trace formula consists of 719 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-29 02:07:42,991 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 02:07:43,064 INFO L134 CoverageAnalysis]: Checked inductivity of 3612 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3612 trivial. 0 not checked. [2023-11-29 02:07:43,064 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 02:07:43,064 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 02:07:43,064 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [816449485] [2023-11-29 02:07:43,065 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-29 02:07:43,065 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1813165267] [2023-11-29 02:07:43,065 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1813165267] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 02:07:43,065 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 02:07:43,065 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-29 02:07:43,065 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1979154937] [2023-11-29 02:07:43,066 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 02:07:43,067 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-29 02:07:43,067 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 02:07:43,067 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-29 02:07:43,068 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-29 02:07:43,068 INFO L87 Difference]: Start difference. First operand 180 states and 289 transitions. Second operand has 4 states, 4 states have (on average 20.5) internal successors, (82), 4 states have internal predecessors, (82), 1 states have call successors, (43), 1 states have call predecessors, (43), 1 states have return successors, (43), 1 states have call predecessors, (43), 1 states have call successors, (43) [2023-11-29 02:07:43,406 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 02:07:43,406 INFO L93 Difference]: Finished difference Result 472 states and 753 transitions. [2023-11-29 02:07:43,406 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-29 02:07:43,407 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 20.5) internal successors, (82), 4 states have internal predecessors, (82), 1 states have call successors, (43), 1 states have call predecessors, (43), 1 states have return successors, (43), 1 states have call predecessors, (43), 1 states have call successors, (43) Word has length 294 [2023-11-29 02:07:43,407 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 02:07:43,410 INFO L225 Difference]: With dead ends: 472 [2023-11-29 02:07:43,410 INFO L226 Difference]: Without dead ends: 293 [2023-11-29 02:07:43,411 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 294 GetRequests, 291 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 02:07:43,412 INFO L413 NwaCegarLoop]: 284 mSDtfsCounter, 201 mSDsluCounter, 347 mSDsCounter, 0 mSdLazyCounter, 156 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 201 SdHoareTripleChecker+Valid, 631 SdHoareTripleChecker+Invalid, 158 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 156 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-11-29 02:07:43,413 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [201 Valid, 631 Invalid, 158 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 156 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-11-29 02:07:43,414 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 293 states. [2023-11-29 02:07:43,445 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 293 to 180. [2023-11-29 02:07:43,446 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 180 states, 134 states have (on average 1.5149253731343284) internal successors, (203), 134 states have internal predecessors, (203), 43 states have call successors, (43), 2 states have call predecessors, (43), 2 states have return successors, (43), 43 states have call predecessors, (43), 43 states have call successors, (43) [2023-11-29 02:07:43,448 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 180 states to 180 states and 289 transitions. [2023-11-29 02:07:43,448 INFO L78 Accepts]: Start accepts. Automaton has 180 states and 289 transitions. Word has length 294 [2023-11-29 02:07:43,449 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 02:07:43,449 INFO L495 AbstractCegarLoop]: Abstraction has 180 states and 289 transitions. [2023-11-29 02:07:43,450 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 20.5) internal successors, (82), 4 states have internal predecessors, (82), 1 states have call successors, (43), 1 states have call predecessors, (43), 1 states have return successors, (43), 1 states have call predecessors, (43), 1 states have call successors, (43) [2023-11-29 02:07:43,450 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 289 transitions. [2023-11-29 02:07:43,454 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 295 [2023-11-29 02:07:43,454 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 02:07:43,455 INFO L195 NwaCegarLoop]: trace histogram [43, 43, 43, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:07:43,461 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86d3ebc2-5843-4c82-b934-e1d271ba307e/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2023-11-29 02:07:43,661 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86d3ebc2-5843-4c82-b934-e1d271ba307e/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 02:07:43,662 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 02:07:43,662 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:07:43,662 INFO L85 PathProgramCache]: Analyzing trace with hash 899890880, now seen corresponding path program 1 times [2023-11-29 02:07:43,662 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 02:07:43,662 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1220902026] [2023-11-29 02:07:43,662 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:07:43,663 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 02:07:43,713 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-29 02:07:43,713 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [64216446] [2023-11-29 02:07:43,713 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:07:43,714 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 02:07:43,714 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86d3ebc2-5843-4c82-b934-e1d271ba307e/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 02:07:43,715 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86d3ebc2-5843-4c82-b934-e1d271ba307e/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 02:07:43,717 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86d3ebc2-5843-4c82-b934-e1d271ba307e/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2023-11-29 02:07:43,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:07:43,945 INFO L262 TraceCheckSpWp]: Trace formula consists of 719 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-29 02:07:43,950 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 02:07:44,248 INFO L134 CoverageAnalysis]: Checked inductivity of 3612 backedges. 1342 proven. 96 refuted. 0 times theorem prover too weak. 2174 trivial. 0 not checked. [2023-11-29 02:07:44,248 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 02:07:44,546 INFO L134 CoverageAnalysis]: Checked inductivity of 3612 backedges. 30 proven. 96 refuted. 0 times theorem prover too weak. 3486 trivial. 0 not checked. [2023-11-29 02:07:44,546 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 02:07:44,546 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1220902026] [2023-11-29 02:07:44,547 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-29 02:07:44,547 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [64216446] [2023-11-29 02:07:44,547 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [64216446] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-29 02:07:44,547 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-29 02:07:44,547 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 7 [2023-11-29 02:07:44,548 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [851007105] [2023-11-29 02:07:44,548 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-29 02:07:44,549 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-29 02:07:44,549 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 02:07:44,550 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-29 02:07:44,550 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2023-11-29 02:07:44,550 INFO L87 Difference]: Start difference. First operand 180 states and 289 transitions. Second operand has 7 states, 7 states have (on average 13.0) internal successors, (91), 7 states have internal predecessors, (91), 2 states have call successors, (75), 2 states have call predecessors, (75), 4 states have return successors, (76), 2 states have call predecessors, (76), 2 states have call successors, (76) [2023-11-29 02:07:44,866 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 02:07:44,866 INFO L93 Difference]: Finished difference Result 367 states and 584 transitions. [2023-11-29 02:07:44,867 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-11-29 02:07:44,867 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 13.0) internal successors, (91), 7 states have internal predecessors, (91), 2 states have call successors, (75), 2 states have call predecessors, (75), 4 states have return successors, (76), 2 states have call predecessors, (76), 2 states have call successors, (76) Word has length 294 [2023-11-29 02:07:44,868 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 02:07:44,869 INFO L225 Difference]: With dead ends: 367 [2023-11-29 02:07:44,870 INFO L226 Difference]: Without dead ends: 188 [2023-11-29 02:07:44,870 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 590 GetRequests, 580 SyntacticMatches, 1 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=45, Invalid=65, Unknown=0, NotChecked=0, Total=110 [2023-11-29 02:07:44,871 INFO L413 NwaCegarLoop]: 196 mSDtfsCounter, 395 mSDsluCounter, 302 mSDsCounter, 0 mSdLazyCounter, 250 mSolverCounterSat, 52 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 404 SdHoareTripleChecker+Valid, 498 SdHoareTripleChecker+Invalid, 302 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 52 IncrementalHoareTripleChecker+Valid, 250 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-11-29 02:07:44,872 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [404 Valid, 498 Invalid, 302 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [52 Valid, 250 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-11-29 02:07:44,872 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 188 states. [2023-11-29 02:07:44,892 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 188 to 184. [2023-11-29 02:07:44,893 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 184 states, 137 states have (on average 1.489051094890511) internal successors, (204), 137 states have internal predecessors, (204), 43 states have call successors, (43), 3 states have call predecessors, (43), 3 states have return successors, (43), 43 states have call predecessors, (43), 43 states have call successors, (43) [2023-11-29 02:07:44,895 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 184 states to 184 states and 290 transitions. [2023-11-29 02:07:44,895 INFO L78 Accepts]: Start accepts. Automaton has 184 states and 290 transitions. Word has length 294 [2023-11-29 02:07:44,896 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 02:07:44,896 INFO L495 AbstractCegarLoop]: Abstraction has 184 states and 290 transitions. [2023-11-29 02:07:44,896 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 13.0) internal successors, (91), 7 states have internal predecessors, (91), 2 states have call successors, (75), 2 states have call predecessors, (75), 4 states have return successors, (76), 2 states have call predecessors, (76), 2 states have call successors, (76) [2023-11-29 02:07:44,897 INFO L276 IsEmpty]: Start isEmpty. Operand 184 states and 290 transitions. [2023-11-29 02:07:44,901 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 296 [2023-11-29 02:07:44,902 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 02:07:44,902 INFO L195 NwaCegarLoop]: trace histogram [43, 43, 43, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:07:44,908 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86d3ebc2-5843-4c82-b934-e1d271ba307e/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2023-11-29 02:07:45,102 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86d3ebc2-5843-4c82-b934-e1d271ba307e/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 02:07:45,103 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 02:07:45,103 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:07:45,104 INFO L85 PathProgramCache]: Analyzing trace with hash 1879797596, now seen corresponding path program 1 times [2023-11-29 02:07:45,104 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 02:07:45,104 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [422318783] [2023-11-29 02:07:45,104 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:07:45,104 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 02:07:45,143 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-29 02:07:45,143 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1115069536] [2023-11-29 02:07:45,143 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:07:45,143 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 02:07:45,144 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86d3ebc2-5843-4c82-b934-e1d271ba307e/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 02:07:45,145 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86d3ebc2-5843-4c82-b934-e1d271ba307e/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 02:07:45,151 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86d3ebc2-5843-4c82-b934-e1d271ba307e/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2023-11-29 02:07:45,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:07:45,367 INFO L262 TraceCheckSpWp]: Trace formula consists of 722 conjuncts, 15 conjunts are in the unsatisfiable core [2023-11-29 02:07:45,374 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 02:07:46,044 INFO L134 CoverageAnalysis]: Checked inductivity of 3612 backedges. 1293 proven. 117 refuted. 0 times theorem prover too weak. 2202 trivial. 0 not checked. [2023-11-29 02:07:46,044 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 02:07:46,478 INFO L134 CoverageAnalysis]: Checked inductivity of 3612 backedges. 117 proven. 9 refuted. 0 times theorem prover too weak. 3486 trivial. 0 not checked. [2023-11-29 02:07:46,478 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 02:07:46,478 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [422318783] [2023-11-29 02:07:46,478 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-29 02:07:46,479 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1115069536] [2023-11-29 02:07:46,479 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1115069536] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-29 02:07:46,479 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-29 02:07:46,479 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 8] total 17 [2023-11-29 02:07:46,479 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [464380766] [2023-11-29 02:07:46,479 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-29 02:07:46,480 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2023-11-29 02:07:46,481 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 02:07:46,482 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2023-11-29 02:07:46,482 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=65, Invalid=207, Unknown=0, NotChecked=0, Total=272 [2023-11-29 02:07:46,482 INFO L87 Difference]: Start difference. First operand 184 states and 290 transitions. Second operand has 17 states, 17 states have (on average 9.294117647058824) internal successors, (158), 17 states have internal predecessors, (158), 4 states have call successors, (80), 3 states have call predecessors, (80), 6 states have return successors, (81), 4 states have call predecessors, (81), 4 states have call successors, (81) [2023-11-29 02:07:47,660 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 02:07:47,661 INFO L93 Difference]: Finished difference Result 540 states and 828 transitions. [2023-11-29 02:07:47,661 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2023-11-29 02:07:47,662 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 9.294117647058824) internal successors, (158), 17 states have internal predecessors, (158), 4 states have call successors, (80), 3 states have call predecessors, (80), 6 states have return successors, (81), 4 states have call predecessors, (81), 4 states have call successors, (81) Word has length 295 [2023-11-29 02:07:47,662 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 02:07:47,665 INFO L225 Difference]: With dead ends: 540 [2023-11-29 02:07:47,666 INFO L226 Difference]: Without dead ends: 357 [2023-11-29 02:07:47,667 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 611 GetRequests, 574 SyntacticMatches, 0 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 301 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=373, Invalid=1109, Unknown=0, NotChecked=0, Total=1482 [2023-11-29 02:07:47,668 INFO L413 NwaCegarLoop]: 169 mSDtfsCounter, 861 mSDsluCounter, 891 mSDsCounter, 0 mSdLazyCounter, 996 mSolverCounterSat, 275 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 884 SdHoareTripleChecker+Valid, 1060 SdHoareTripleChecker+Invalid, 1271 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 275 IncrementalHoareTripleChecker+Valid, 996 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2023-11-29 02:07:47,668 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [884 Valid, 1060 Invalid, 1271 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [275 Valid, 996 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2023-11-29 02:07:47,670 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 357 states. [2023-11-29 02:07:47,715 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 357 to 340. [2023-11-29 02:07:47,716 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 340 states, 247 states have (on average 1.437246963562753) internal successors, (355), 248 states have internal predecessors, (355), 82 states have call successors, (82), 10 states have call predecessors, (82), 10 states have return successors, (82), 81 states have call predecessors, (82), 82 states have call successors, (82) [2023-11-29 02:07:47,719 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 340 states to 340 states and 519 transitions. [2023-11-29 02:07:47,719 INFO L78 Accepts]: Start accepts. Automaton has 340 states and 519 transitions. Word has length 295 [2023-11-29 02:07:47,720 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 02:07:47,720 INFO L495 AbstractCegarLoop]: Abstraction has 340 states and 519 transitions. [2023-11-29 02:07:47,720 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 9.294117647058824) internal successors, (158), 17 states have internal predecessors, (158), 4 states have call successors, (80), 3 states have call predecessors, (80), 6 states have return successors, (81), 4 states have call predecessors, (81), 4 states have call successors, (81) [2023-11-29 02:07:47,720 INFO L276 IsEmpty]: Start isEmpty. Operand 340 states and 519 transitions. [2023-11-29 02:07:47,723 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 297 [2023-11-29 02:07:47,723 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 02:07:47,723 INFO L195 NwaCegarLoop]: trace histogram [43, 43, 43, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:07:47,729 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86d3ebc2-5843-4c82-b934-e1d271ba307e/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2023-11-29 02:07:47,929 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86d3ebc2-5843-4c82-b934-e1d271ba307e/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2023-11-29 02:07:47,930 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 02:07:47,930 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:07:47,930 INFO L85 PathProgramCache]: Analyzing trace with hash -573805203, now seen corresponding path program 1 times [2023-11-29 02:07:47,930 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 02:07:47,930 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1441308749] [2023-11-29 02:07:47,930 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:07:47,930 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 02:07:47,969 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-29 02:07:47,969 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [976123628] [2023-11-29 02:07:47,969 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:07:47,969 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 02:07:47,969 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86d3ebc2-5843-4c82-b934-e1d271ba307e/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 02:07:47,970 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86d3ebc2-5843-4c82-b934-e1d271ba307e/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 02:07:47,973 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86d3ebc2-5843-4c82-b934-e1d271ba307e/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2023-11-29 02:07:48,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:07:48,229 INFO L262 TraceCheckSpWp]: Trace formula consists of 721 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-29 02:07:48,235 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 02:07:48,302 INFO L134 CoverageAnalysis]: Checked inductivity of 3612 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3612 trivial. 0 not checked. [2023-11-29 02:07:48,302 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 02:07:48,302 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 02:07:48,302 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1441308749] [2023-11-29 02:07:48,302 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-29 02:07:48,302 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [976123628] [2023-11-29 02:07:48,303 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [976123628] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 02:07:48,303 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 02:07:48,303 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-29 02:07:48,303 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1516916274] [2023-11-29 02:07:48,303 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 02:07:48,304 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-29 02:07:48,304 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 02:07:48,305 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-29 02:07:48,305 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-29 02:07:48,305 INFO L87 Difference]: Start difference. First operand 340 states and 519 transitions. Second operand has 4 states, 4 states have (on average 21.0) internal successors, (84), 4 states have internal predecessors, (84), 1 states have call successors, (43), 1 states have call predecessors, (43), 1 states have return successors, (43), 1 states have call predecessors, (43), 1 states have call successors, (43) [2023-11-29 02:07:48,503 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 02:07:48,503 INFO L93 Difference]: Finished difference Result 909 states and 1376 transitions. [2023-11-29 02:07:48,503 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-29 02:07:48,504 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 21.0) internal successors, (84), 4 states have internal predecessors, (84), 1 states have call successors, (43), 1 states have call predecessors, (43), 1 states have return successors, (43), 1 states have call predecessors, (43), 1 states have call successors, (43) Word has length 296 [2023-11-29 02:07:48,504 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 02:07:48,510 INFO L225 Difference]: With dead ends: 909 [2023-11-29 02:07:48,510 INFO L226 Difference]: Without dead ends: 557 [2023-11-29 02:07:48,511 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 297 GetRequests, 294 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 02:07:48,512 INFO L413 NwaCegarLoop]: 260 mSDtfsCounter, 360 mSDsluCounter, 352 mSDsCounter, 0 mSdLazyCounter, 68 mSolverCounterSat, 39 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 360 SdHoareTripleChecker+Valid, 612 SdHoareTripleChecker+Invalid, 107 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 39 IncrementalHoareTripleChecker+Valid, 68 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-29 02:07:48,513 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [360 Valid, 612 Invalid, 107 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [39 Valid, 68 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-29 02:07:48,514 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 557 states. [2023-11-29 02:07:48,577 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 557 to 422. [2023-11-29 02:07:48,578 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 422 states, 316 states have (on average 1.4367088607594938) internal successors, (454), 318 states have internal predecessors, (454), 91 states have call successors, (91), 14 states have call predecessors, (91), 14 states have return successors, (91), 89 states have call predecessors, (91), 91 states have call successors, (91) [2023-11-29 02:07:48,581 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 422 states to 422 states and 636 transitions. [2023-11-29 02:07:48,581 INFO L78 Accepts]: Start accepts. Automaton has 422 states and 636 transitions. Word has length 296 [2023-11-29 02:07:48,581 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 02:07:48,582 INFO L495 AbstractCegarLoop]: Abstraction has 422 states and 636 transitions. [2023-11-29 02:07:48,582 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 21.0) internal successors, (84), 4 states have internal predecessors, (84), 1 states have call successors, (43), 1 states have call predecessors, (43), 1 states have return successors, (43), 1 states have call predecessors, (43), 1 states have call successors, (43) [2023-11-29 02:07:48,582 INFO L276 IsEmpty]: Start isEmpty. Operand 422 states and 636 transitions. [2023-11-29 02:07:48,585 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 297 [2023-11-29 02:07:48,585 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 02:07:48,585 INFO L195 NwaCegarLoop]: trace histogram [43, 43, 43, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:07:48,591 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86d3ebc2-5843-4c82-b934-e1d271ba307e/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2023-11-29 02:07:48,785 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86d3ebc2-5843-4c82-b934-e1d271ba307e/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable6 [2023-11-29 02:07:48,786 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 02:07:48,786 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:07:48,786 INFO L85 PathProgramCache]: Analyzing trace with hash -1054885461, now seen corresponding path program 1 times [2023-11-29 02:07:48,786 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 02:07:48,786 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [8822539] [2023-11-29 02:07:48,787 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:07:48,787 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 02:07:48,821 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-29 02:07:48,821 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [987221903] [2023-11-29 02:07:48,821 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:07:48,821 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 02:07:48,821 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86d3ebc2-5843-4c82-b934-e1d271ba307e/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 02:07:48,822 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86d3ebc2-5843-4c82-b934-e1d271ba307e/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 02:07:48,824 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86d3ebc2-5843-4c82-b934-e1d271ba307e/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2023-11-29 02:07:49,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:07:49,020 INFO L262 TraceCheckSpWp]: Trace formula consists of 722 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-29 02:07:49,024 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 02:07:49,063 INFO L134 CoverageAnalysis]: Checked inductivity of 3612 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3612 trivial. 0 not checked. [2023-11-29 02:07:49,063 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 02:07:49,063 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 02:07:49,063 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [8822539] [2023-11-29 02:07:49,063 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-29 02:07:49,063 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [987221903] [2023-11-29 02:07:49,063 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [987221903] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 02:07:49,063 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 02:07:49,064 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-29 02:07:49,064 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1456410607] [2023-11-29 02:07:49,064 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 02:07:49,064 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 02:07:49,065 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 02:07:49,065 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 02:07:49,065 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 02:07:49,066 INFO L87 Difference]: Start difference. First operand 422 states and 636 transitions. Second operand has 3 states, 3 states have (on average 28.0) internal successors, (84), 3 states have internal predecessors, (84), 1 states have call successors, (43), 1 states have call predecessors, (43), 1 states have return successors, (43), 1 states have call predecessors, (43), 1 states have call successors, (43) [2023-11-29 02:07:49,143 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 02:07:49,143 INFO L93 Difference]: Finished difference Result 851 states and 1271 transitions. [2023-11-29 02:07:49,143 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 02:07:49,143 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 28.0) internal successors, (84), 3 states have internal predecessors, (84), 1 states have call successors, (43), 1 states have call predecessors, (43), 1 states have return successors, (43), 1 states have call predecessors, (43), 1 states have call successors, (43) Word has length 296 [2023-11-29 02:07:49,144 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 02:07:49,148 INFO L225 Difference]: With dead ends: 851 [2023-11-29 02:07:49,148 INFO L226 Difference]: Without dead ends: 448 [2023-11-29 02:07:49,149 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 295 GetRequests, 294 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 02:07:49,150 INFO L413 NwaCegarLoop]: 362 mSDtfsCounter, 223 mSDsluCounter, 126 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 223 SdHoareTripleChecker+Valid, 488 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-29 02:07:49,150 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [223 Valid, 488 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-29 02:07:49,152 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 448 states. [2023-11-29 02:07:49,210 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 448 to 403. [2023-11-29 02:07:49,211 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 403 states, 278 states have (on average 1.3597122302158273) internal successors, (378), 280 states have internal predecessors, (378), 107 states have call successors, (107), 17 states have call predecessors, (107), 17 states have return successors, (107), 105 states have call predecessors, (107), 107 states have call successors, (107) [2023-11-29 02:07:49,214 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 403 states to 403 states and 592 transitions. [2023-11-29 02:07:49,214 INFO L78 Accepts]: Start accepts. Automaton has 403 states and 592 transitions. Word has length 296 [2023-11-29 02:07:49,215 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 02:07:49,215 INFO L495 AbstractCegarLoop]: Abstraction has 403 states and 592 transitions. [2023-11-29 02:07:49,215 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 28.0) internal successors, (84), 3 states have internal predecessors, (84), 1 states have call successors, (43), 1 states have call predecessors, (43), 1 states have return successors, (43), 1 states have call predecessors, (43), 1 states have call successors, (43) [2023-11-29 02:07:49,216 INFO L276 IsEmpty]: Start isEmpty. Operand 403 states and 592 transitions. [2023-11-29 02:07:49,218 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 297 [2023-11-29 02:07:49,218 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 02:07:49,218 INFO L195 NwaCegarLoop]: trace histogram [43, 43, 43, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:07:49,225 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86d3ebc2-5843-4c82-b934-e1d271ba307e/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2023-11-29 02:07:49,419 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86d3ebc2-5843-4c82-b934-e1d271ba307e/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable7 [2023-11-29 02:07:49,419 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 02:07:49,420 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:07:49,420 INFO L85 PathProgramCache]: Analyzing trace with hash -1032253207, now seen corresponding path program 1 times [2023-11-29 02:07:49,420 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 02:07:49,420 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [244022787] [2023-11-29 02:07:49,420 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:07:49,420 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 02:07:49,468 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-29 02:07:49,468 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1489906608] [2023-11-29 02:07:49,468 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:07:49,468 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 02:07:49,469 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86d3ebc2-5843-4c82-b934-e1d271ba307e/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 02:07:49,470 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86d3ebc2-5843-4c82-b934-e1d271ba307e/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 02:07:49,473 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86d3ebc2-5843-4c82-b934-e1d271ba307e/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2023-11-29 02:07:49,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:07:49,826 INFO L262 TraceCheckSpWp]: Trace formula consists of 723 conjuncts, 21 conjunts are in the unsatisfiable core [2023-11-29 02:07:49,832 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 02:07:50,873 INFO L134 CoverageAnalysis]: Checked inductivity of 3612 backedges. 2516 proven. 228 refuted. 0 times theorem prover too weak. 868 trivial. 0 not checked. [2023-11-29 02:07:50,873 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 02:07:52,276 INFO L134 CoverageAnalysis]: Checked inductivity of 3612 backedges. 132 proven. 237 refuted. 0 times theorem prover too weak. 3243 trivial. 0 not checked. [2023-11-29 02:07:52,277 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 02:07:52,277 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [244022787] [2023-11-29 02:07:52,277 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-29 02:07:52,277 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1489906608] [2023-11-29 02:07:52,277 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1489906608] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-29 02:07:52,277 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-29 02:07:52,277 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 14] total 23 [2023-11-29 02:07:52,278 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1861501015] [2023-11-29 02:07:52,278 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-29 02:07:52,279 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2023-11-29 02:07:52,279 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 02:07:52,280 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2023-11-29 02:07:52,281 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=125, Invalid=381, Unknown=0, NotChecked=0, Total=506 [2023-11-29 02:07:52,281 INFO L87 Difference]: Start difference. First operand 403 states and 592 transitions. Second operand has 23 states, 23 states have (on average 6.739130434782608) internal successors, (155), 23 states have internal predecessors, (155), 6 states have call successors, (80), 4 states have call predecessors, (80), 10 states have return successors, (81), 6 states have call predecessors, (81), 6 states have call successors, (81) [2023-11-29 02:07:54,205 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 02:07:54,205 INFO L93 Difference]: Finished difference Result 1302 states and 1894 transitions. [2023-11-29 02:07:54,206 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2023-11-29 02:07:54,206 INFO L78 Accepts]: Start accepts. Automaton has has 23 states, 23 states have (on average 6.739130434782608) internal successors, (155), 23 states have internal predecessors, (155), 6 states have call successors, (80), 4 states have call predecessors, (80), 10 states have return successors, (81), 6 states have call predecessors, (81), 6 states have call successors, (81) Word has length 296 [2023-11-29 02:07:54,207 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 02:07:54,212 INFO L225 Difference]: With dead ends: 1302 [2023-11-29 02:07:54,212 INFO L226 Difference]: Without dead ends: 955 [2023-11-29 02:07:54,214 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 619 GetRequests, 573 SyntacticMatches, 0 SemanticMatches, 46 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 459 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=673, Invalid=1583, Unknown=0, NotChecked=0, Total=2256 [2023-11-29 02:07:54,214 INFO L413 NwaCegarLoop]: 258 mSDtfsCounter, 1144 mSDsluCounter, 1138 mSDsCounter, 0 mSdLazyCounter, 1129 mSolverCounterSat, 167 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1147 SdHoareTripleChecker+Valid, 1396 SdHoareTripleChecker+Invalid, 1296 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 167 IncrementalHoareTripleChecker+Valid, 1129 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2023-11-29 02:07:54,215 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1147 Valid, 1396 Invalid, 1296 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [167 Valid, 1129 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2023-11-29 02:07:54,216 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 955 states. [2023-11-29 02:07:54,294 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 955 to 557. [2023-11-29 02:07:54,295 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 557 states, 435 states have (on average 1.4252873563218391) internal successors, (620), 437 states have internal predecessors, (620), 99 states have call successors, (99), 22 states have call predecessors, (99), 22 states have return successors, (99), 97 states have call predecessors, (99), 99 states have call successors, (99) [2023-11-29 02:07:54,299 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 557 states to 557 states and 818 transitions. [2023-11-29 02:07:54,300 INFO L78 Accepts]: Start accepts. Automaton has 557 states and 818 transitions. Word has length 296 [2023-11-29 02:07:54,300 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 02:07:54,301 INFO L495 AbstractCegarLoop]: Abstraction has 557 states and 818 transitions. [2023-11-29 02:07:54,301 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 23 states have (on average 6.739130434782608) internal successors, (155), 23 states have internal predecessors, (155), 6 states have call successors, (80), 4 states have call predecessors, (80), 10 states have return successors, (81), 6 states have call predecessors, (81), 6 states have call successors, (81) [2023-11-29 02:07:54,301 INFO L276 IsEmpty]: Start isEmpty. Operand 557 states and 818 transitions. [2023-11-29 02:07:54,304 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 297 [2023-11-29 02:07:54,304 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 02:07:54,305 INFO L195 NwaCegarLoop]: trace histogram [43, 43, 43, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:07:54,318 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86d3ebc2-5843-4c82-b934-e1d271ba307e/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2023-11-29 02:07:54,518 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86d3ebc2-5843-4c82-b934-e1d271ba307e/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 02:07:54,519 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 02:07:54,519 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:07:54,519 INFO L85 PathProgramCache]: Analyzing trace with hash 896019495, now seen corresponding path program 1 times [2023-11-29 02:07:54,519 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 02:07:54,520 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [444422448] [2023-11-29 02:07:54,520 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:07:54,520 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 02:07:54,555 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-29 02:07:54,556 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2108936329] [2023-11-29 02:07:54,556 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:07:54,556 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 02:07:54,556 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86d3ebc2-5843-4c82-b934-e1d271ba307e/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 02:07:54,557 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86d3ebc2-5843-4c82-b934-e1d271ba307e/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 02:07:54,563 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86d3ebc2-5843-4c82-b934-e1d271ba307e/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2023-11-29 02:07:54,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:07:54,766 INFO L262 TraceCheckSpWp]: Trace formula consists of 723 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-29 02:07:54,771 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 02:07:55,052 INFO L134 CoverageAnalysis]: Checked inductivity of 3612 backedges. 792 proven. 111 refuted. 0 times theorem prover too weak. 2709 trivial. 0 not checked. [2023-11-29 02:07:55,052 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 02:07:55,264 INFO L134 CoverageAnalysis]: Checked inductivity of 3612 backedges. 15 proven. 111 refuted. 0 times theorem prover too weak. 3486 trivial. 0 not checked. [2023-11-29 02:07:55,264 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 02:07:55,264 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [444422448] [2023-11-29 02:07:55,264 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-29 02:07:55,264 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2108936329] [2023-11-29 02:07:55,264 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2108936329] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-29 02:07:55,264 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-29 02:07:55,265 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 9 [2023-11-29 02:07:55,265 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1889911258] [2023-11-29 02:07:55,265 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-29 02:07:55,266 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-11-29 02:07:55,266 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 02:07:55,267 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-11-29 02:07:55,267 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2023-11-29 02:07:55,267 INFO L87 Difference]: Start difference. First operand 557 states and 818 transitions. Second operand has 9 states, 9 states have (on average 10.333333333333334) internal successors, (93), 9 states have internal predecessors, (93), 2 states have call successors, (80), 2 states have call predecessors, (80), 4 states have return successors, (81), 2 states have call predecessors, (81), 2 states have call successors, (81) [2023-11-29 02:07:56,127 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 02:07:56,128 INFO L93 Difference]: Finished difference Result 1479 states and 2144 transitions. [2023-11-29 02:07:56,128 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2023-11-29 02:07:56,128 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 10.333333333333334) internal successors, (93), 9 states have internal predecessors, (93), 2 states have call successors, (80), 2 states have call predecessors, (80), 4 states have return successors, (81), 2 states have call predecessors, (81), 2 states have call successors, (81) Word has length 296 [2023-11-29 02:07:56,129 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 02:07:56,134 INFO L225 Difference]: With dead ends: 1479 [2023-11-29 02:07:56,134 INFO L226 Difference]: Without dead ends: 965 [2023-11-29 02:07:56,136 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 603 GetRequests, 583 SyntacticMatches, 1 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 54 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=122, Invalid=298, Unknown=0, NotChecked=0, Total=420 [2023-11-29 02:07:56,136 INFO L413 NwaCegarLoop]: 257 mSDtfsCounter, 426 mSDsluCounter, 759 mSDsCounter, 0 mSdLazyCounter, 779 mSolverCounterSat, 93 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 432 SdHoareTripleChecker+Valid, 1016 SdHoareTripleChecker+Invalid, 872 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 93 IncrementalHoareTripleChecker+Valid, 779 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2023-11-29 02:07:56,137 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [432 Valid, 1016 Invalid, 872 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [93 Valid, 779 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2023-11-29 02:07:56,138 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 965 states. [2023-11-29 02:07:56,240 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 965 to 684. [2023-11-29 02:07:56,242 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 684 states, 562 states have (on average 1.4626334519572954) internal successors, (822), 564 states have internal predecessors, (822), 99 states have call successors, (99), 22 states have call predecessors, (99), 22 states have return successors, (99), 97 states have call predecessors, (99), 99 states have call successors, (99) [2023-11-29 02:07:56,246 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 684 states to 684 states and 1020 transitions. [2023-11-29 02:07:56,246 INFO L78 Accepts]: Start accepts. Automaton has 684 states and 1020 transitions. Word has length 296 [2023-11-29 02:07:56,247 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 02:07:56,247 INFO L495 AbstractCegarLoop]: Abstraction has 684 states and 1020 transitions. [2023-11-29 02:07:56,247 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 10.333333333333334) internal successors, (93), 9 states have internal predecessors, (93), 2 states have call successors, (80), 2 states have call predecessors, (80), 4 states have return successors, (81), 2 states have call predecessors, (81), 2 states have call successors, (81) [2023-11-29 02:07:56,248 INFO L276 IsEmpty]: Start isEmpty. Operand 684 states and 1020 transitions. [2023-11-29 02:07:56,250 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 297 [2023-11-29 02:07:56,251 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 02:07:56,251 INFO L195 NwaCegarLoop]: trace histogram [43, 43, 43, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:07:56,259 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86d3ebc2-5843-4c82-b934-e1d271ba307e/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2023-11-29 02:07:56,451 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86d3ebc2-5843-4c82-b934-e1d271ba307e/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2023-11-29 02:07:56,452 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 02:07:56,452 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:07:56,452 INFO L85 PathProgramCache]: Analyzing trace with hash 1290386281, now seen corresponding path program 1 times [2023-11-29 02:07:56,453 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 02:07:56,453 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1121927438] [2023-11-29 02:07:56,453 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:07:56,453 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 02:07:56,494 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-29 02:07:56,495 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2066931305] [2023-11-29 02:07:56,495 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:07:56,495 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 02:07:56,495 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86d3ebc2-5843-4c82-b934-e1d271ba307e/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 02:07:56,496 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86d3ebc2-5843-4c82-b934-e1d271ba307e/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 02:07:56,505 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86d3ebc2-5843-4c82-b934-e1d271ba307e/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2023-11-29 02:07:56,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:07:56,795 INFO L262 TraceCheckSpWp]: Trace formula consists of 723 conjuncts, 42 conjunts are in the unsatisfiable core [2023-11-29 02:07:56,800 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 02:07:58,802 INFO L134 CoverageAnalysis]: Checked inductivity of 3612 backedges. 2684 proven. 300 refuted. 0 times theorem prover too weak. 628 trivial. 0 not checked. [2023-11-29 02:07:58,802 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 02:08:21,014 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 02:08:21,014 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1121927438] [2023-11-29 02:08:21,015 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-29 02:08:21,015 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2066931305] [2023-11-29 02:08:21,015 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2066931305] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 02:08:21,015 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2023-11-29 02:08:21,015 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [25] total 25 [2023-11-29 02:08:21,015 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1991455589] [2023-11-29 02:08:21,015 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2023-11-29 02:08:21,016 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2023-11-29 02:08:21,016 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 02:08:21,017 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2023-11-29 02:08:21,017 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=257, Invalid=862, Unknown=3, NotChecked=0, Total=1122 [2023-11-29 02:08:21,018 INFO L87 Difference]: Start difference. First operand 684 states and 1020 transitions. Second operand has 25 states, 25 states have (on average 4.8) internal successors, (120), 24 states have internal predecessors, (120), 8 states have call successors, (43), 8 states have call predecessors, (43), 13 states have return successors, (43), 8 states have call predecessors, (43), 8 states have call successors, (43) [2023-11-29 02:08:22,848 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 02:08:22,848 INFO L93 Difference]: Finished difference Result 1334 states and 1916 transitions. [2023-11-29 02:08:22,849 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2023-11-29 02:08:22,849 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 25 states have (on average 4.8) internal successors, (120), 24 states have internal predecessors, (120), 8 states have call successors, (43), 8 states have call predecessors, (43), 13 states have return successors, (43), 8 states have call predecessors, (43), 8 states have call successors, (43) Word has length 296 [2023-11-29 02:08:22,850 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 02:08:22,854 INFO L225 Difference]: With dead ends: 1334 [2023-11-29 02:08:22,854 INFO L226 Difference]: Without dead ends: 693 [2023-11-29 02:08:22,856 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 429 GetRequests, 382 SyntacticMatches, 0 SemanticMatches, 47 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 559 ImplicationChecksByTransitivity, 19.1s TimeCoverageRelationStatistics Valid=657, Invalid=1692, Unknown=3, NotChecked=0, Total=2352 [2023-11-29 02:08:22,856 INFO L413 NwaCegarLoop]: 215 mSDtfsCounter, 400 mSDsluCounter, 602 mSDsCounter, 0 mSdLazyCounter, 1033 mSolverCounterSat, 58 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 403 SdHoareTripleChecker+Valid, 817 SdHoareTripleChecker+Invalid, 1091 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 58 IncrementalHoareTripleChecker+Valid, 1033 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2023-11-29 02:08:22,857 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [403 Valid, 817 Invalid, 1091 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [58 Valid, 1033 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2023-11-29 02:08:22,858 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 693 states. [2023-11-29 02:08:22,920 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 693 to 474. [2023-11-29 02:08:22,921 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 474 states, 343 states have (on average 1.3032069970845481) internal successors, (447), 345 states have internal predecessors, (447), 96 states have call successors, (96), 34 states have call predecessors, (96), 34 states have return successors, (96), 94 states have call predecessors, (96), 96 states have call successors, (96) [2023-11-29 02:08:22,923 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 474 states to 474 states and 639 transitions. [2023-11-29 02:08:22,923 INFO L78 Accepts]: Start accepts. Automaton has 474 states and 639 transitions. Word has length 296 [2023-11-29 02:08:22,924 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 02:08:22,924 INFO L495 AbstractCegarLoop]: Abstraction has 474 states and 639 transitions. [2023-11-29 02:08:22,924 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 25 states have (on average 4.8) internal successors, (120), 24 states have internal predecessors, (120), 8 states have call successors, (43), 8 states have call predecessors, (43), 13 states have return successors, (43), 8 states have call predecessors, (43), 8 states have call successors, (43) [2023-11-29 02:08:22,924 INFO L276 IsEmpty]: Start isEmpty. Operand 474 states and 639 transitions. [2023-11-29 02:08:22,926 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 298 [2023-11-29 02:08:22,926 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 02:08:22,926 INFO L195 NwaCegarLoop]: trace histogram [43, 43, 43, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:08:22,933 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86d3ebc2-5843-4c82-b934-e1d271ba307e/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Ended with exit code 0 [2023-11-29 02:08:23,126 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86d3ebc2-5843-4c82-b934-e1d271ba307e/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 02:08:23,127 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 02:08:23,127 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:08:23,127 INFO L85 PathProgramCache]: Analyzing trace with hash -1405560249, now seen corresponding path program 1 times [2023-11-29 02:08:23,127 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 02:08:23,127 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [42930772] [2023-11-29 02:08:23,127 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:08:23,127 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 02:08:23,161 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-29 02:08:23,161 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [783947670] [2023-11-29 02:08:23,161 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:08:23,161 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 02:08:23,161 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86d3ebc2-5843-4c82-b934-e1d271ba307e/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 02:08:23,162 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86d3ebc2-5843-4c82-b934-e1d271ba307e/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 02:08:23,163 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86d3ebc2-5843-4c82-b934-e1d271ba307e/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2023-11-29 02:08:23,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:08:23,562 INFO L262 TraceCheckSpWp]: Trace formula consists of 726 conjuncts, 59 conjunts are in the unsatisfiable core [2023-11-29 02:08:23,572 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 02:08:27,421 INFO L134 CoverageAnalysis]: Checked inductivity of 3612 backedges. 2829 proven. 216 refuted. 0 times theorem prover too weak. 567 trivial. 0 not checked. [2023-11-29 02:08:27,421 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 02:08:52,131 INFO L134 CoverageAnalysis]: Checked inductivity of 3612 backedges. 222 proven. 27 refuted. 0 times theorem prover too weak. 3363 trivial. 0 not checked. [2023-11-29 02:08:52,132 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 02:08:52,132 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [42930772] [2023-11-29 02:08:52,132 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-29 02:08:52,132 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [783947670] [2023-11-29 02:08:52,132 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [783947670] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-29 02:08:52,132 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-29 02:08:52,132 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [33, 17] total 49 [2023-11-29 02:08:52,132 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [794307396] [2023-11-29 02:08:52,133 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-29 02:08:52,133 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 49 states [2023-11-29 02:08:52,133 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 02:08:52,135 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 49 interpolants. [2023-11-29 02:08:52,136 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=382, Invalid=1970, Unknown=0, NotChecked=0, Total=2352 [2023-11-29 02:08:52,136 INFO L87 Difference]: Start difference. First operand 474 states and 639 transitions. Second operand has 49 states, 48 states have (on average 3.75) internal successors, (180), 46 states have internal predecessors, (180), 12 states have call successors, (86), 10 states have call predecessors, (86), 17 states have return successors, (86), 12 states have call predecessors, (86), 12 states have call successors, (86) [2023-11-29 02:12:18,873 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 02:12:18,874 INFO L93 Difference]: Finished difference Result 24903 states and 34276 transitions. [2023-11-29 02:12:18,874 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 776 states. [2023-11-29 02:12:18,874 INFO L78 Accepts]: Start accepts. Automaton has has 49 states, 48 states have (on average 3.75) internal successors, (180), 46 states have internal predecessors, (180), 12 states have call successors, (86), 10 states have call predecessors, (86), 17 states have return successors, (86), 12 states have call predecessors, (86), 12 states have call successors, (86) Word has length 297 [2023-11-29 02:12:18,875 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 02:12:18,987 INFO L225 Difference]: With dead ends: 24903 [2023-11-29 02:12:18,987 INFO L226 Difference]: Without dead ends: 24468 [2023-11-29 02:12:19,090 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1428 GetRequests, 621 SyntacticMatches, 0 SemanticMatches, 807 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 329089 ImplicationChecksByTransitivity, 163.1s TimeCoverageRelationStatistics Valid=73200, Invalid=580471, Unknown=1, NotChecked=0, Total=653672 [2023-11-29 02:12:19,091 INFO L413 NwaCegarLoop]: 466 mSDtfsCounter, 44195 mSDsluCounter, 6175 mSDsCounter, 0 mSdLazyCounter, 9197 mSolverCounterSat, 14015 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 35.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 44310 SdHoareTripleChecker+Valid, 6641 SdHoareTripleChecker+Invalid, 23212 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 14015 IncrementalHoareTripleChecker+Valid, 9197 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 38.8s IncrementalHoareTripleChecker+Time [2023-11-29 02:12:19,091 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [44310 Valid, 6641 Invalid, 23212 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [14015 Valid, 9197 Invalid, 0 Unknown, 0 Unchecked, 38.8s Time] [2023-11-29 02:12:19,111 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24468 states. [2023-11-29 02:12:20,458 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24468 to 5099. [2023-11-29 02:12:20,465 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5099 states, 4289 states have (on average 1.4313359757519235) internal successors, (6139), 4310 states have internal predecessors, (6139), 579 states have call successors, (579), 230 states have call predecessors, (579), 230 states have return successors, (579), 558 states have call predecessors, (579), 579 states have call successors, (579) [2023-11-29 02:12:20,475 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5099 states to 5099 states and 7297 transitions. [2023-11-29 02:12:20,475 INFO L78 Accepts]: Start accepts. Automaton has 5099 states and 7297 transitions. Word has length 297 [2023-11-29 02:12:20,476 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 02:12:20,476 INFO L495 AbstractCegarLoop]: Abstraction has 5099 states and 7297 transitions. [2023-11-29 02:12:20,476 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 49 states, 48 states have (on average 3.75) internal successors, (180), 46 states have internal predecessors, (180), 12 states have call successors, (86), 10 states have call predecessors, (86), 17 states have return successors, (86), 12 states have call predecessors, (86), 12 states have call successors, (86) [2023-11-29 02:12:20,476 INFO L276 IsEmpty]: Start isEmpty. Operand 5099 states and 7297 transitions. [2023-11-29 02:12:20,482 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 298 [2023-11-29 02:12:20,482 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 02:12:20,482 INFO L195 NwaCegarLoop]: trace histogram [43, 43, 43, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:12:20,489 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86d3ebc2-5843-4c82-b934-e1d271ba307e/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Ended with exit code 0 [2023-11-29 02:12:20,683 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86d3ebc2-5843-4c82-b934-e1d271ba307e/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 02:12:20,683 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 02:12:20,683 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:12:20,684 INFO L85 PathProgramCache]: Analyzing trace with hash -1157413755, now seen corresponding path program 1 times [2023-11-29 02:12:20,684 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 02:12:20,684 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [602405846] [2023-11-29 02:12:20,684 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:12:20,684 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 02:12:20,719 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-29 02:12:20,719 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [152209467] [2023-11-29 02:12:20,719 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:12:20,719 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 02:12:20,719 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86d3ebc2-5843-4c82-b934-e1d271ba307e/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 02:12:20,720 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86d3ebc2-5843-4c82-b934-e1d271ba307e/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 02:12:20,722 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86d3ebc2-5843-4c82-b934-e1d271ba307e/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2023-11-29 02:12:21,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:12:21,082 INFO L262 TraceCheckSpWp]: Trace formula consists of 726 conjuncts, 66 conjunts are in the unsatisfiable core [2023-11-29 02:12:21,089 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 02:12:27,743 INFO L134 CoverageAnalysis]: Checked inductivity of 3612 backedges. 2481 proven. 414 refuted. 0 times theorem prover too weak. 717 trivial. 0 not checked. [2023-11-29 02:12:27,743 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 02:16:49,683 WARN L854 $PredicateComparison]: unable to prove that (let ((.cse129 (mod c_~var_1_7~0 65536)) (.cse127 (mod c_~var_1_15~0 256))) (let ((.cse12 (forall ((v_~var_1_18~0_21 Int)) (or (< c_~var_1_48~0 (mod v_~var_1_18~0_21 .cse127)) (< v_~var_1_18~0_21 2)))) (.cse128 (mod c_~last_1_var_1_18~0 65536)) (.cse126 (< .cse127 (+ .cse129 1))) (.cse130 (< .cse129 .cse127)) (.cse107 (mod c_~var_1_16~0 256))) (let ((.cse47 (or .cse130 (forall ((v_~var_1_18~0_21 Int)) (or (< c_~var_1_48~0 (mod v_~var_1_18~0_21 .cse127)) (< v_~var_1_18~0_21 .cse107))))) (.cse48 (or .cse126 (forall ((v_~var_1_18~0_21 Int)) (or (< c_~var_1_48~0 (mod v_~var_1_18~0_21 .cse129)) (< v_~var_1_18~0_21 .cse107))))) (.cse117 (or .cse130 (forall ((v_~var_1_18~0_21 Int)) (or (< c_~var_1_48~0 (mod v_~var_1_18~0_21 .cse127)) (< v_~var_1_18~0_21 .cse128))))) (.cse11 (or .cse126 (forall ((v_~var_1_18~0_21 Int)) (or (< v_~var_1_18~0_21 .cse128) (< c_~var_1_48~0 (mod v_~var_1_18~0_21 .cse129)))))) (.cse45 (or .cse126 (forall ((v_~var_1_18~0_21 Int)) (or (< v_~var_1_18~0_21 2) (< c_~var_1_48~0 (mod v_~var_1_18~0_21 .cse129)))))) (.cse46 (or .cse12 .cse130)) (.cse1 (or .cse130 (forall ((v_~var_1_18~0_21 Int)) (or (< c_~var_1_48~0 (mod v_~var_1_18~0_21 .cse127)) (< v_~var_1_18~0_21 .cse128) (< v_~var_1_18~0_21 2))))) (.cse3 (or (forall ((v_~var_1_18~0_21 Int)) (or (< v_~var_1_18~0_21 .cse128) (< v_~var_1_18~0_21 2) (< c_~var_1_48~0 (mod v_~var_1_18~0_21 .cse129)))) .cse126))) (let ((.cse109 (and .cse1 .cse3)) (.cse108 (+ .cse127 1)) (.cse27 (forall ((v_~var_1_18~0_21 Int)) (or (< c_~var_1_48~0 (mod v_~var_1_18~0_21 .cse127)) (< v_~var_1_18~0_21 2) (< v_~var_1_18~0_21 .cse107)))) (.cse71 (or .cse126 (forall ((v_~var_1_18~0_21 Int)) (or (< v_~var_1_18~0_21 .cse127) (< c_~var_1_48~0 (mod v_~var_1_18~0_21 .cse129)))))) (.cse72 (or .cse130 (forall ((v_~var_1_18~0_21 Int)) (or (< c_~var_1_48~0 (mod v_~var_1_18~0_21 .cse127)) (< v_~var_1_18~0_21 .cse127))))) (.cse106 (and .cse45 .cse46)) (.cse4 (< 1 .cse127)) (.cse51 (and .cse117 .cse11)) (.cse79 (< .cse127 c_~last_1_var_1_18~0)) (.cse63 (or .cse126 (forall ((v_~var_1_18~0_21 Int)) (or (< v_~var_1_18~0_21 .cse127) (< c_~var_1_48~0 (mod v_~var_1_18~0_21 .cse129)) (< v_~var_1_18~0_21 .cse107))))) (.cse66 (or (forall ((v_~var_1_18~0_21 Int)) (or (< c_~var_1_48~0 (mod v_~var_1_18~0_21 .cse127)) (< v_~var_1_18~0_21 .cse127) (< v_~var_1_18~0_21 .cse107))) .cse130)) (.cse30 (and .cse47 .cse48)) (.cse40 (< c_~last_1_var_1_18~0 (+ .cse107 1))) (.cse56 (or .cse126 (forall ((v_~var_1_18~0_21 Int)) (or (< v_~var_1_18~0_21 .cse127) (< v_~var_1_18~0_21 2) (< c_~var_1_48~0 (mod v_~var_1_18~0_21 .cse129)))))) (.cse57 (or .cse130 (forall ((v_~var_1_18~0_21 Int)) (or (< c_~var_1_48~0 (mod v_~var_1_18~0_21 .cse127)) (< v_~var_1_18~0_21 .cse127) (< v_~var_1_18~0_21 2)))))) (let ((.cse60 (and .cse56 .cse57)) (.cse43 (or .cse30 .cse40)) (.cse53 (and .cse63 .cse66)) (.cse18 (or .cse126 (forall ((v_~var_1_18~0_21 Int)) (or (< v_~var_1_18~0_21 .cse128) (< v_~var_1_18~0_21 2) (< c_~var_1_48~0 (mod v_~var_1_18~0_21 .cse129)) (< v_~var_1_18~0_21 .cse107))))) (.cse19 (or .cse130 (forall ((v_~var_1_18~0_21 Int)) (or (< c_~var_1_48~0 (mod v_~var_1_18~0_21 .cse127)) (< v_~var_1_18~0_21 .cse128) (< v_~var_1_18~0_21 2) (< v_~var_1_18~0_21 .cse107))))) (.cse87 (or .cse130 (forall ((v_~var_1_18~0_21 Int)) (or (< c_~var_1_48~0 (mod v_~var_1_18~0_21 .cse127)) (< v_~var_1_18~0_21 .cse127) (< v_~var_1_18~0_21 .cse128))))) (.cse88 (or .cse51 .cse79)) (.cse89 (or (forall ((v_~var_1_18~0_21 Int)) (or (< v_~var_1_18~0_21 .cse127) (< v_~var_1_18~0_21 .cse128) (< c_~var_1_48~0 (mod v_~var_1_18~0_21 .cse129)))) .cse126)) (.cse41 (or .cse130 (forall ((v_~var_1_18~0_21 Int)) (or (< c_~var_1_48~0 (mod v_~var_1_18~0_21 .cse127)) (< v_~var_1_18~0_21 .cse128) (< v_~var_1_18~0_21 .cse107))))) (.cse42 (or (forall ((v_~var_1_18~0_21 Int)) (or (< v_~var_1_18~0_21 .cse128) (< c_~var_1_48~0 (mod v_~var_1_18~0_21 .cse129)) (< v_~var_1_18~0_21 .cse107))) .cse126)) (.cse75 (or .cse106 .cse4)) (.cse99 (and .cse71 .cse72)) (.cse6 (< 1 .cse107)) (.cse34 (< .cse107 2)) (.cse37 (or .cse27 .cse130)) (.cse38 (or (forall ((v_~var_1_18~0_21 Int)) (or (< v_~var_1_18~0_21 2) (< c_~var_1_48~0 (mod v_~var_1_18~0_21 .cse129)) (< v_~var_1_18~0_21 .cse107))) .cse126)) (.cse68 (or .cse126 (forall ((v_~var_1_18~0_21 Int)) (or (< v_~var_1_18~0_21 .cse127) (< v_~var_1_18~0_21 2) (< c_~var_1_48~0 (mod v_~var_1_18~0_21 .cse129)) (< v_~var_1_18~0_21 .cse107))))) (.cse77 (or .cse130 (forall ((v_~var_1_18~0_21 Int)) (or (< c_~var_1_48~0 (mod v_~var_1_18~0_21 .cse127)) (< v_~var_1_18~0_21 .cse127) (< v_~var_1_18~0_21 2) (< v_~var_1_18~0_21 .cse107))))) (.cse10 (< c_~last_1_var_1_18~0 .cse108)) (.cse114 (or .cse4 .cse109))) (let ((.cse103 (and .cse45 .cse71 .cse46 .cse72)) (.cse5 (and (or .cse10 .cse12) .cse114)) (.cse111 (and .cse68 .cse77)) (.cse131 (or .cse10 .cse106 .cse40)) (.cse62 (and .cse37 .cse38)) (.cse70 (or .cse34 .cse30)) (.cse82 (and (or .cse99 .cse6) .cse63 .cse66)) (.cse133 (and .cse56 .cse75 .cse57)) (.cse54 (< .cse127 2)) (.cse35 (and .cse41 .cse42)) (.cse16 (< .cse107 c_~last_1_var_1_18~0)) (.cse8 (and (or .cse51 .cse4) .cse87 .cse88 .cse89)) (.cse80 (and .cse18 .cse19)) (.cse95 (or .cse10 .cse53)) (.cse102 (or .cse99 .cse10)) (.cse115 (and .cse41 .cse42 .cse43)) (.cse85 (or .cse130 (forall ((v_~var_1_18~0_21 Int)) (or (< c_~var_1_48~0 (mod v_~var_1_18~0_21 .cse127)) (< v_~var_1_18~0_21 .cse127) (< v_~var_1_18~0_21 .cse128) (< v_~var_1_18~0_21 .cse107))))) (.cse92 (or .cse126 (forall ((v_~var_1_18~0_21 Int)) (or (< v_~var_1_18~0_21 .cse127) (< v_~var_1_18~0_21 .cse128) (< c_~var_1_48~0 (mod v_~var_1_18~0_21 .cse129)) (< v_~var_1_18~0_21 .cse107))))) (.cse84 (or .cse53 .cse40)) (.cse101 (or .cse10 .cse60)) (.cse104 (or .cse4 (and .cse45 .cse1 .cse46 .cse3))) (.cse14 (or .cse130 (forall ((v_~var_1_18~0_21 Int)) (or (< c_~var_1_48~0 (mod v_~var_1_18~0_21 .cse127)) (< v_~var_1_18~0_21 .cse127) (< v_~var_1_18~0_21 .cse128) (< v_~var_1_18~0_21 2))))) (.cse15 (or .cse126 (forall ((v_~var_1_18~0_21 Int)) (or (< v_~var_1_18~0_21 .cse127) (< v_~var_1_18~0_21 .cse128) (< v_~var_1_18~0_21 2) (< c_~var_1_48~0 (mod v_~var_1_18~0_21 .cse129)))))) (.cse28 (< 1 c_~last_1_var_1_18~0))) (let ((.cse44 (or .cse30 .cse28)) (.cse29 (< .cse127 .cse107)) (.cse94 (or .cse109 .cse28)) (.cse96 (or .cse109 .cse6)) (.cse17 (or (and .cse101 .cse88 .cse104 .cse14 .cse15) .cse6)) (.cse25 (or .cse34 (and .cse85 .cse92 .cse84))) (.cse21 (or .cse34 .cse115)) (.cse86 (or .cse6 (and .cse102 .cse87 .cse88 .cse89))) (.cse91 (or (and .cse88 .cse95) .cse40)) (.cse49 (< 32767 .cse128)) (.cse26 (or .cse4 .cse80)) (.cse22 (or .cse16 .cse8)) (.cse23 (or .cse79 .cse35)) (.cse97 (or .cse16 (and .cse87 .cse88 .cse89))) (.cse81 (or .cse51 .cse16)) (.cse64 (or .cse16 .cse30)) (.cse105 (or (and .cse102 .cse87 .cse89) .cse54)) (.cse90 (or .cse10 .cse53 .cse40)) (.cse76 (or .cse16 (and .cse45 .cse56 .cse46 .cse57))) (.cse33 (or .cse106 .cse28)) (.cse113 (or .cse10 .cse133)) (.cse9 (< c_~last_1_var_1_18~0 2)) (.cse58 (or .cse133 .cse6)) (.cse67 (or .cse82 .cse54)) (.cse73 (or .cse99 .cse54)) (.cse55 (or .cse34 (and .cse63 .cse47 .cse66 .cse48))) (.cse50 (and .cse70 .cse37 .cse38)) (.cse78 (< .cse128 32768)) (.cse122 (or .cse10 .cse27 .cse28)) (.cse20 (or .cse62 .cse40)) (.cse123 (or .cse10 .cse62 .cse40)) (.cse124 (or (and .cse1 .cse3 .cse131) .cse6)) (.cse125 (or .cse27 .cse28)) (.cse24 (or .cse111 .cse40)) (.cse0 (or .cse109 .cse79)) (.cse7 (or .cse5 .cse28)) (.cse121 (or .cse40 .cse60)) (.cse31 (or .cse106 .cse40)) (.cse13 (or .cse12 .cse28)) (.cse2 (or .cse10 .cse12 .cse28)) (.cse52 (or .cse62 .cse79)) (.cse39 (or .cse106 .cse6)) (.cse36 (or .cse16 .cse106)) (.cse61 (or .cse4 .cse62)) (.cse69 (or .cse4 .cse30)) (.cse65 (or .cse30 .cse79)) (.cse116 (or .cse16 .cse103)) (.cse74 (or .cse106 .cse79))) (and (or (and .cse0 (or (and .cse1 .cse2 .cse3) .cse4) (or .cse5 .cse6) .cse7 (or .cse8 .cse9) (or .cse10 (and .cse1 .cse11 (or .cse12 .cse6) .cse13)) .cse14 .cse15) .cse16) (or (and .cse17 (or (and .cse18 .cse19 .cse20 .cse21) .cse4) .cse22 .cse23 (or (and .cse24 .cse25) .cse10)) .cse9) (or (and .cse26 (or .cse10 .cse27)) .cse28) (or .cse29 (let ((.cse32 (or .cse51 .cse9))) (and (or .cse16 .cse30 .cse9) (or .cse6 (and .cse1 .cse31 .cse3)) .cse18 (or .cse16 (and .cse32 .cse1 .cse33 .cse3)) (or .cse34 .cse35) (or (and .cse1 .cse31 .cse33 .cse3 .cse36) .cse6) .cse19 (or (and .cse37 .cse38 .cse33 .cse39) .cse40) .cse20 (or .cse34 (and .cse41 .cse42 .cse43 .cse44)) (or (and (or .cse34 (and .cse45 .cse46 .cse47 .cse48)) .cse37 .cse38 .cse39 .cse36) .cse28) (or .cse49 (and (or .cse16 (and .cse32 .cse1 .cse3)) .cse21)) (or .cse50 .cse28)))) (or (and .cse52 (or (and (or .cse53 .cse54) .cse55 .cse37 .cse38) .cse28) (or .cse28 (and .cse55 .cse45 .cse56 .cse37 .cse38 .cse46 .cse57)) (or (let ((.cse59 (and .cse37 .cse38 .cse39))) (and .cse58 (or .cse59 .cse4) (or .cse59 .cse29) (or .cse6 .cse60))) .cse40) .cse61 (or (and (or .cse16 .cse62) .cse63 (or (and .cse64 .cse65) .cse34) .cse66) .cse54) (or (and .cse58 .cse67) .cse9) .cse68 (or .cse34 (and .cse69 .cse63 .cse65 (or .cse29 (and .cse36 .cse47 .cse48)) .cse44 .cse66 (or .cse29 .cse30 .cse40))) (or .cse29 (and .cse70 .cse37 .cse38 .cse39 .cse36)) (or (and (or (and .cse71 .cse72 .cse36) .cse54) .cse56 (or (and .cse45 .cse73 .cse46) .cse28) .cse74 .cse75 .cse57) .cse6) .cse76 .cse77) .cse78) (or .cse79 .cse80) (or (let ((.cse83 (or (and .cse87 .cse71 .cse72 .cse89) .cse6)) (.cse93 (or .cse99 .cse10 .cse40))) (and (or .cse80 .cse28) (or .cse10 (and .cse81 .cse64 (or .cse82 .cse40) .cse83 .cse84)) .cse85 (or (and .cse81 .cse64 .cse83 .cse84) .cse10) (or (and (or (and .cse81 .cse64 .cse84) .cse49 .cse10) (or .cse16 (and .cse63 (or .cse10 .cse30) .cse65 .cse66)) .cse23 .cse86 (or .cse16 (and (or .cse51 .cse10) .cse87 .cse88 .cse89)) .cse90 .cse91) .cse9) .cse92 (or (and .cse0 .cse93 .cse87 .cse89) .cse6) (or (and .cse0 .cse93 .cse87 .cse94 .cse89) .cse6) (or (and .cse0 .cse95) .cse40) (or .cse16 (and .cse0 .cse96 .cse87 .cse94 .cse89)) (or (and .cse97 (or .cse10 .cse34 .cse53 .cse40) .cse23 .cse86 .cse91) .cse9) (or (let ((.cse98 (and .cse87 .cse1 .cse3 .cse89))) (and .cse18 (or .cse16 .cse98) (or .cse34 (and .cse87 .cse1 .cse41 .cse42 .cse3 .cse89)) .cse19 (or .cse98 .cse6))) .cse28))) .cse54) (or (let ((.cse100 (or .cse10 .cse106))) (and .cse0 .cse7 (or .cse4 (and .cse1 .cse100 .cse3)) .cse101 (or (and .cse102 .cse87 .cse94 (or .cse51 .cse79 .cse9) .cse89) .cse54) (or .cse4 (and .cse1 .cse100 .cse2 .cse3)) (or (and (or .cse103 .cse54) .cse56 .cse74 .cse75 .cse57) .cse28) (or (and .cse56 .cse73 .cse33 .cse74 .cse75 .cse57) .cse78) .cse14 (or (and .cse88 .cse104 .cse105) .cse9) .cse15)) (< .cse107 .cse108)) (or .cse79 (and .cse96 .cse18 .cse19 (or .cse16 .cse109))) (or (let ((.cse110 (or .cse34 (and .cse85 (or .cse4 .cse115) .cse92 .cse90))) (.cse112 (or .cse16 (and .cse63 .cse65 .cse66)))) (and .cse17 (or .cse49 (and .cse26 .cse22 .cse110 .cse23)) (or (and (or .cse111 .cse10) .cse88 (or .cse4 (and .cse18 .cse37 .cse19 .cse38))) .cse40) (or .cse10 (and .cse81 .cse24 .cse25)) (or .cse4 (and .cse81 .cse18 .cse19 .cse20 .cse21)) (or (and .cse97 .cse85 .cse92 .cse23 .cse86 .cse112 .cse90 .cse91) .cse54) (or .cse49 (and .cse26 .cse22 .cse110 (or (and .cse101 .cse88 .cse104 .cse105 .cse14 .cse15) .cse6) .cse23 (or (and .cse97 .cse85 .cse92 .cse112 .cse90) .cse54) (or (and .cse81 .cse64 .cse41 .cse42) .cse79))) (or (and .cse81 .cse41 .cse42) .cse79) (or (and .cse81 (or .cse51 .cse6) .cse64 .cse41 .cse42) .cse79) (or (and .cse101 .cse88 .cse104 .cse105 .cse113 .cse114 .cse14 .cse15) .cse6) (or .cse16 (and .cse87 .cse89)))) .cse9) (or (let ((.cse118 (or .cse34 (and .cse69 .cse63 .cse66))) (.cse119 (or .cse34 .cse53)) (.cse120 (or .cse4 .cse50))) (and (or (and (or .cse106 .cse6 .cse40) .cse20 (or .cse62 .cse28)) .cse4) (or (and (or (and .cse45 .cse63 .cse37 .cse38 .cse71 .cse46 .cse72 .cse66) .cse28) (or .cse99 .cse6 .cse40) .cse116 (or (and (or .cse99 .cse40) (or .cse103 .cse28)) .cse6) (or .cse10 .cse82) (or (and .cse63 .cse37 .cse38 .cse66) .cse28) .cse84) .cse54) (or .cse111 .cse28) .cse52 .cse117 (or (and .cse118 .cse61 .cse119 .cse58 .cse68 .cse120 .cse77) .cse9) (or .cse10 (and .cse118 .cse61 .cse58 .cse68 .cse77)) .cse11 (or (and .cse45 .cse37 .cse38 .cse46) .cse79) .cse76 (or .cse6 (and .cse121 (or .cse4 (and .cse31 .cse33)) .cse74 .cse113 (or .cse28 .cse60))) .cse24 (or .cse6 .cse40 .cse60) (or .cse9 (and .cse118 .cse61 .cse119 .cse58 .cse68 .cse67 .cse120 .cse77 (or (and .cse56 .cse73 .cse75 .cse57) .cse6))) (or (and .cse55 .cse45 .cse56 .cse68 .cse37 .cse38 .cse46 .cse77 .cse57 (or .cse54 (and .cse63 .cse71 .cse72 .cse66))) .cse28))) .cse78) (or .cse4 (and .cse122 .cse18 .cse19 .cse123 .cse124)) (or .cse10 (and .cse125 (or .cse6 (and .cse121 .cse14 .cse15)) .cse24)) (or (and .cse122 .cse18 .cse19 (or .cse10 (and (or .cse6 (and .cse1 .cse31 .cse3 .cse13)) .cse125 .cse20)) .cse123 .cse124) .cse4) (or (and (or .cse6 (and .cse121 .cse14 .cse15 .cse13)) .cse125 .cse24) .cse10) (or .cse126 (forall ((v_~var_1_18~0_21 Int)) (or (< v_~var_1_18~0_21 .cse127) (< v_~var_1_18~0_21 .cse128) (< v_~var_1_18~0_21 2) (< c_~var_1_48~0 (mod v_~var_1_18~0_21 .cse129)) (< v_~var_1_18~0_21 .cse107)))) (or .cse130 (forall ((v_~var_1_18~0_21 Int)) (or (< c_~var_1_48~0 (mod v_~var_1_18~0_21 .cse127)) (< v_~var_1_18~0_21 .cse127) (< v_~var_1_18~0_21 .cse128) (< v_~var_1_18~0_21 2) (< v_~var_1_18~0_21 .cse107)))) (or (and .cse0 .cse7 (or (and .cse1 .cse2 .cse3 .cse131) .cse4) (or .cse10 (and .cse121 .cse13)) (or .cse4 (and .cse1 (or (and .cse31 .cse13) .cse10) .cse2 .cse3 .cse131)) .cse14 .cse15) .cse6) (or (let ((.cse132 (and .cse56 .cse74 .cse75 .cse57))) (and (or .cse16 .cse132) .cse52 (or (and .cse37 .cse38 .cse39 .cse36) .cse79) .cse61 (or .cse132 .cse6) .cse68 (or (and (or .cse30 .cse54) .cse69 .cse63 .cse56 .cse65 .cse74 .cse75 .cse57 .cse66) .cse34) (or (and .cse63 .cse37 (or .cse103 .cse6) .cse38 .cse116 .cse66) .cse54) .cse77)) .cse28))))))))) is different from false [2023-11-29 02:18:26,073 WARN L854 $PredicateComparison]: unable to prove that (let ((.cse128 (mod c_~var_1_7~0 65536)) (.cse126 (mod c_~var_1_15~0 256))) (let ((.cse12 (forall ((v_~var_1_18~0_21 Int)) (or (< c_~var_1_48~0 (mod v_~var_1_18~0_21 .cse126)) (< v_~var_1_18~0_21 2)))) (.cse127 (mod c_~last_1_var_1_18~0 65536)) (.cse125 (< .cse126 (+ .cse128 1))) (.cse129 (< .cse128 .cse126)) (.cse105 (mod c_~var_1_16~0 256))) (let ((.cse47 (or .cse129 (forall ((v_~var_1_18~0_21 Int)) (or (< c_~var_1_48~0 (mod v_~var_1_18~0_21 .cse126)) (< v_~var_1_18~0_21 .cse105))))) (.cse48 (or .cse125 (forall ((v_~var_1_18~0_21 Int)) (or (< c_~var_1_48~0 (mod v_~var_1_18~0_21 .cse128)) (< v_~var_1_18~0_21 .cse105))))) (.cse116 (or .cse129 (forall ((v_~var_1_18~0_21 Int)) (or (< c_~var_1_48~0 (mod v_~var_1_18~0_21 .cse126)) (< v_~var_1_18~0_21 .cse127))))) (.cse11 (or .cse125 (forall ((v_~var_1_18~0_21 Int)) (or (< v_~var_1_18~0_21 .cse127) (< c_~var_1_48~0 (mod v_~var_1_18~0_21 .cse128)))))) (.cse45 (or .cse125 (forall ((v_~var_1_18~0_21 Int)) (or (< v_~var_1_18~0_21 2) (< c_~var_1_48~0 (mod v_~var_1_18~0_21 .cse128)))))) (.cse46 (or .cse12 .cse129)) (.cse1 (or .cse129 (forall ((v_~var_1_18~0_21 Int)) (or (< c_~var_1_48~0 (mod v_~var_1_18~0_21 .cse126)) (< v_~var_1_18~0_21 .cse127) (< v_~var_1_18~0_21 2))))) (.cse3 (or (forall ((v_~var_1_18~0_21 Int)) (or (< v_~var_1_18~0_21 .cse127) (< v_~var_1_18~0_21 2) (< c_~var_1_48~0 (mod v_~var_1_18~0_21 .cse128)))) .cse125))) (let ((.cse107 (and .cse1 .cse3)) (.cse106 (+ .cse126 1)) (.cse27 (forall ((v_~var_1_18~0_21 Int)) (or (< c_~var_1_48~0 (mod v_~var_1_18~0_21 .cse126)) (< v_~var_1_18~0_21 2) (< v_~var_1_18~0_21 .cse105)))) (.cse71 (or .cse125 (forall ((v_~var_1_18~0_21 Int)) (or (< v_~var_1_18~0_21 .cse126) (< c_~var_1_48~0 (mod v_~var_1_18~0_21 .cse128)))))) (.cse72 (or .cse129 (forall ((v_~var_1_18~0_21 Int)) (or (< c_~var_1_48~0 (mod v_~var_1_18~0_21 .cse126)) (< v_~var_1_18~0_21 .cse126))))) (.cse104 (and .cse45 .cse46)) (.cse4 (< 1 .cse126)) (.cse51 (and .cse116 .cse11)) (.cse79 (< .cse126 c_~last_1_var_1_18~0)) (.cse63 (or .cse125 (forall ((v_~var_1_18~0_21 Int)) (or (< v_~var_1_18~0_21 .cse126) (< c_~var_1_48~0 (mod v_~var_1_18~0_21 .cse128)) (< v_~var_1_18~0_21 .cse105))))) (.cse66 (or (forall ((v_~var_1_18~0_21 Int)) (or (< c_~var_1_48~0 (mod v_~var_1_18~0_21 .cse126)) (< v_~var_1_18~0_21 .cse126) (< v_~var_1_18~0_21 .cse105))) .cse129)) (.cse30 (and .cse47 .cse48)) (.cse40 (< c_~last_1_var_1_18~0 (+ .cse105 1))) (.cse56 (or .cse125 (forall ((v_~var_1_18~0_21 Int)) (or (< v_~var_1_18~0_21 .cse126) (< v_~var_1_18~0_21 2) (< c_~var_1_48~0 (mod v_~var_1_18~0_21 .cse128)))))) (.cse57 (or .cse129 (forall ((v_~var_1_18~0_21 Int)) (or (< c_~var_1_48~0 (mod v_~var_1_18~0_21 .cse126)) (< v_~var_1_18~0_21 .cse126) (< v_~var_1_18~0_21 2)))))) (let ((.cse60 (and .cse56 .cse57)) (.cse43 (or .cse30 .cse40)) (.cse53 (and .cse63 .cse66)) (.cse18 (or .cse125 (forall ((v_~var_1_18~0_21 Int)) (or (< v_~var_1_18~0_21 .cse127) (< v_~var_1_18~0_21 2) (< c_~var_1_48~0 (mod v_~var_1_18~0_21 .cse128)) (< v_~var_1_18~0_21 .cse105))))) (.cse19 (or .cse129 (forall ((v_~var_1_18~0_21 Int)) (or (< c_~var_1_48~0 (mod v_~var_1_18~0_21 .cse126)) (< v_~var_1_18~0_21 .cse127) (< v_~var_1_18~0_21 2) (< v_~var_1_18~0_21 .cse105))))) (.cse87 (or .cse129 (forall ((v_~var_1_18~0_21 Int)) (or (< c_~var_1_48~0 (mod v_~var_1_18~0_21 .cse126)) (< v_~var_1_18~0_21 .cse126) (< v_~var_1_18~0_21 .cse127))))) (.cse91 (or .cse51 .cse79)) (.cse89 (or (forall ((v_~var_1_18~0_21 Int)) (or (< v_~var_1_18~0_21 .cse126) (< v_~var_1_18~0_21 .cse127) (< c_~var_1_48~0 (mod v_~var_1_18~0_21 .cse128)))) .cse125)) (.cse41 (or .cse129 (forall ((v_~var_1_18~0_21 Int)) (or (< c_~var_1_48~0 (mod v_~var_1_18~0_21 .cse126)) (< v_~var_1_18~0_21 .cse127) (< v_~var_1_18~0_21 .cse105))))) (.cse42 (or (forall ((v_~var_1_18~0_21 Int)) (or (< v_~var_1_18~0_21 .cse127) (< c_~var_1_48~0 (mod v_~var_1_18~0_21 .cse128)) (< v_~var_1_18~0_21 .cse105))) .cse125)) (.cse75 (or .cse104 .cse4)) (.cse114 (and .cse71 .cse72)) (.cse6 (< 1 .cse105)) (.cse34 (< .cse105 2)) (.cse37 (or .cse27 .cse129)) (.cse38 (or (forall ((v_~var_1_18~0_21 Int)) (or (< v_~var_1_18~0_21 2) (< c_~var_1_48~0 (mod v_~var_1_18~0_21 .cse128)) (< v_~var_1_18~0_21 .cse105))) .cse125)) (.cse68 (or .cse125 (forall ((v_~var_1_18~0_21 Int)) (or (< v_~var_1_18~0_21 .cse126) (< v_~var_1_18~0_21 2) (< c_~var_1_48~0 (mod v_~var_1_18~0_21 .cse128)) (< v_~var_1_18~0_21 .cse105))))) (.cse77 (or .cse129 (forall ((v_~var_1_18~0_21 Int)) (or (< c_~var_1_48~0 (mod v_~var_1_18~0_21 .cse126)) (< v_~var_1_18~0_21 .cse126) (< v_~var_1_18~0_21 2) (< v_~var_1_18~0_21 .cse105))))) (.cse10 (< c_~last_1_var_1_18~0 .cse106)) (.cse112 (or .cse4 .cse107))) (let ((.cse101 (and .cse45 .cse71 .cse46 .cse72)) (.cse5 (and (or .cse10 .cse12) .cse112)) (.cse109 (and .cse68 .cse77)) (.cse130 (or .cse10 .cse104 .cse40)) (.cse62 (and .cse37 .cse38)) (.cse70 (or .cse34 .cse30)) (.cse82 (and (or .cse114 .cse6) .cse63 .cse66)) (.cse132 (and .cse56 .cse75 .cse57)) (.cse54 (< .cse126 2)) (.cse35 (and .cse41 .cse42)) (.cse16 (< .cse105 c_~last_1_var_1_18~0)) (.cse8 (and (or .cse51 .cse4) .cse87 .cse91 .cse89)) (.cse80 (and .cse18 .cse19)) (.cse95 (or .cse10 .cse53)) (.cse86 (or .cse114 .cse10)) (.cse113 (and .cse41 .cse42 .cse43)) (.cse85 (or .cse129 (forall ((v_~var_1_18~0_21 Int)) (or (< c_~var_1_48~0 (mod v_~var_1_18~0_21 .cse126)) (< v_~var_1_18~0_21 .cse126) (< v_~var_1_18~0_21 .cse127) (< v_~var_1_18~0_21 .cse105))))) (.cse94 (or .cse125 (forall ((v_~var_1_18~0_21 Int)) (or (< v_~var_1_18~0_21 .cse126) (< v_~var_1_18~0_21 .cse127) (< c_~var_1_48~0 (mod v_~var_1_18~0_21 .cse128)) (< v_~var_1_18~0_21 .cse105))))) (.cse84 (or .cse53 .cse40)) (.cse100 (or .cse10 .cse60)) (.cse102 (or .cse4 (and .cse45 .cse1 .cse46 .cse3))) (.cse14 (or .cse129 (forall ((v_~var_1_18~0_21 Int)) (or (< c_~var_1_48~0 (mod v_~var_1_18~0_21 .cse126)) (< v_~var_1_18~0_21 .cse126) (< v_~var_1_18~0_21 .cse127) (< v_~var_1_18~0_21 2))))) (.cse15 (or .cse125 (forall ((v_~var_1_18~0_21 Int)) (or (< v_~var_1_18~0_21 .cse126) (< v_~var_1_18~0_21 .cse127) (< v_~var_1_18~0_21 2) (< c_~var_1_48~0 (mod v_~var_1_18~0_21 .cse128)))))) (.cse28 (< 1 c_~last_1_var_1_18~0))) (let ((.cse44 (or .cse30 .cse28)) (.cse29 (< .cse126 .cse105)) (.cse88 (or .cse107 .cse28)) (.cse96 (or .cse107 .cse6)) (.cse17 (or (and .cse100 .cse91 .cse102 .cse14 .cse15) .cse6)) (.cse25 (or .cse34 (and .cse85 .cse94 .cse84))) (.cse21 (or .cse34 .cse113)) (.cse90 (or .cse6 (and .cse86 .cse87 .cse91 .cse89))) (.cse93 (or (and .cse91 .cse95) .cse40)) (.cse49 (< 32767 .cse127)) (.cse26 (or .cse4 .cse80)) (.cse22 (or .cse16 .cse8)) (.cse23 (or .cse79 .cse35)) (.cse97 (or .cse16 (and .cse87 .cse91 .cse89))) (.cse81 (or .cse51 .cse16)) (.cse64 (or .cse16 .cse30)) (.cse103 (or (and .cse86 .cse87 .cse89) .cse54)) (.cse92 (or .cse10 .cse53 .cse40)) (.cse76 (or .cse16 (and .cse45 .cse56 .cse46 .cse57))) (.cse33 (or .cse104 .cse28)) (.cse111 (or .cse10 .cse132)) (.cse9 (< c_~last_1_var_1_18~0 2)) (.cse58 (or .cse132 .cse6)) (.cse67 (or .cse82 .cse54)) (.cse73 (or .cse114 .cse54)) (.cse55 (or .cse34 (and .cse63 .cse47 .cse66 .cse48))) (.cse50 (and .cse70 .cse37 .cse38)) (.cse78 (< .cse127 32768)) (.cse121 (or .cse10 .cse27 .cse28)) (.cse20 (or .cse62 .cse40)) (.cse122 (or .cse10 .cse62 .cse40)) (.cse123 (or (and .cse1 .cse3 .cse130) .cse6)) (.cse124 (or .cse27 .cse28)) (.cse24 (or .cse109 .cse40)) (.cse0 (or .cse107 .cse79)) (.cse7 (or .cse5 .cse28)) (.cse120 (or .cse40 .cse60)) (.cse31 (or .cse104 .cse40)) (.cse13 (or .cse12 .cse28)) (.cse2 (or .cse10 .cse12 .cse28)) (.cse52 (or .cse62 .cse79)) (.cse39 (or .cse104 .cse6)) (.cse36 (or .cse16 .cse104)) (.cse61 (or .cse4 .cse62)) (.cse69 (or .cse4 .cse30)) (.cse65 (or .cse30 .cse79)) (.cse115 (or .cse16 .cse101)) (.cse74 (or .cse104 .cse79))) (and (or (and .cse0 (or (and .cse1 .cse2 .cse3) .cse4) (or .cse5 .cse6) .cse7 (or .cse8 .cse9) (or .cse10 (and .cse1 .cse11 (or .cse12 .cse6) .cse13)) .cse14 .cse15) .cse16) (or (and .cse17 (or (and .cse18 .cse19 .cse20 .cse21) .cse4) .cse22 .cse23 (or (and .cse24 .cse25) .cse10)) .cse9) (or (and .cse26 (or .cse10 .cse27)) .cse28) (or .cse29 (let ((.cse32 (or .cse51 .cse9))) (and (or .cse16 .cse30 .cse9) (or .cse6 (and .cse1 .cse31 .cse3)) .cse18 (or .cse16 (and .cse32 .cse1 .cse33 .cse3)) (or .cse34 .cse35) (or (and .cse1 .cse31 .cse33 .cse3 .cse36) .cse6) .cse19 (or (and .cse37 .cse38 .cse33 .cse39) .cse40) .cse20 (or .cse34 (and .cse41 .cse42 .cse43 .cse44)) (or (and (or .cse34 (and .cse45 .cse46 .cse47 .cse48)) .cse37 .cse38 .cse39 .cse36) .cse28) (or .cse49 (and (or .cse16 (and .cse32 .cse1 .cse3)) .cse21)) (or .cse50 .cse28)))) (or (and .cse52 (or (and (or .cse53 .cse54) .cse55 .cse37 .cse38) .cse28) (or .cse28 (and .cse55 .cse45 .cse56 .cse37 .cse38 .cse46 .cse57)) (or (let ((.cse59 (and .cse37 .cse38 .cse39))) (and .cse58 (or .cse59 .cse4) (or .cse59 .cse29) (or .cse6 .cse60))) .cse40) .cse61 (or (and (or .cse16 .cse62) .cse63 (or (and .cse64 .cse65) .cse34) .cse66) .cse54) (or (and .cse58 .cse67) .cse9) .cse68 (or .cse34 (and .cse69 .cse63 .cse65 (or .cse29 (and .cse36 .cse47 .cse48)) .cse44 .cse66 (or .cse29 .cse30 .cse40))) (or .cse29 (and .cse70 .cse37 .cse38 .cse39 .cse36)) (or (and (or (and .cse71 .cse72 .cse36) .cse54) .cse56 (or (and .cse45 .cse73 .cse46) .cse28) .cse74 .cse75 .cse57) .cse6) .cse76 .cse77) .cse78) (or .cse79 .cse80) (or (let ((.cse83 (or (and .cse87 .cse71 .cse72 .cse89) .cse6))) (and (or .cse80 .cse28) (or .cse10 (and .cse81 .cse64 (or .cse82 .cse40) .cse83 .cse84)) .cse85 (or (and .cse81 .cse64 .cse83 .cse84) .cse10) (or (and .cse0 .cse86 .cse87 .cse88 .cse89) .cse6) (or (and (or (and .cse81 .cse64 .cse84) .cse49 .cse10) (or .cse16 (and .cse63 (or .cse10 .cse30) .cse65 .cse66)) .cse23 .cse90 (or .cse16 (and (or .cse51 .cse10) .cse87 .cse91 .cse89)) .cse92 .cse93) .cse9) .cse94 (or (and .cse0 .cse86 .cse87 .cse89) .cse6) (or (and .cse0 .cse95) .cse40) (or .cse16 (and .cse0 .cse96 .cse87 .cse88 .cse89)) (or (and .cse97 (or .cse10 .cse34 .cse53 .cse40) .cse23 .cse90 .cse93) .cse9) (or (let ((.cse98 (and .cse87 .cse1 .cse3 .cse89))) (and .cse18 (or .cse16 .cse98) (or .cse34 (and .cse87 .cse1 .cse41 .cse42 .cse3 .cse89)) .cse19 (or .cse98 .cse6))) .cse28))) .cse54) (or (let ((.cse99 (or .cse10 .cse104))) (and .cse0 .cse7 (or .cse4 (and .cse1 .cse99 .cse3)) .cse100 (or (and .cse86 .cse87 .cse88 (or .cse51 .cse79 .cse9) .cse89) .cse54) (or .cse4 (and .cse1 .cse99 .cse2 .cse3)) (or (and (or .cse101 .cse54) .cse56 .cse74 .cse75 .cse57) .cse28) (or (and .cse56 .cse73 .cse33 .cse74 .cse75 .cse57) .cse78) .cse14 (or (and .cse91 .cse102 .cse103) .cse9) .cse15)) (< .cse105 .cse106)) (or .cse79 (and .cse96 .cse18 .cse19 (or .cse16 .cse107))) (or (let ((.cse108 (or .cse34 (and .cse85 (or .cse4 .cse113) .cse94 .cse92))) (.cse110 (or .cse16 (and .cse63 .cse65 .cse66)))) (and .cse17 (or .cse49 (and .cse26 .cse22 .cse108 .cse23)) (or (and (or .cse109 .cse10) .cse91 (or .cse4 (and .cse18 .cse37 .cse19 .cse38))) .cse40) (or .cse10 (and .cse81 .cse24 .cse25)) (or .cse4 (and .cse81 .cse18 .cse19 .cse20 .cse21)) (or (and .cse97 .cse85 .cse94 .cse23 .cse90 .cse110 .cse92 .cse93) .cse54) (or .cse49 (and .cse26 .cse22 .cse108 (or (and .cse100 .cse91 .cse102 .cse103 .cse14 .cse15) .cse6) .cse23 (or (and .cse97 .cse85 .cse94 .cse110 .cse92) .cse54) (or (and .cse81 .cse64 .cse41 .cse42) .cse79))) (or (and .cse81 .cse41 .cse42) .cse79) (or (and .cse81 (or .cse51 .cse6) .cse64 .cse41 .cse42) .cse79) (or (and .cse100 .cse91 .cse102 .cse103 .cse111 .cse112 .cse14 .cse15) .cse6) (or .cse16 (and .cse87 .cse89)))) .cse9) (or (let ((.cse117 (or .cse34 (and .cse69 .cse63 .cse66))) (.cse118 (or .cse34 .cse53)) (.cse119 (or .cse4 .cse50))) (and (or (and (or .cse104 .cse6 .cse40) .cse20 (or .cse62 .cse28)) .cse4) (or (and (or (and .cse45 .cse63 .cse37 .cse38 .cse71 .cse46 .cse72 .cse66) .cse28) (or .cse114 .cse6 .cse40) .cse115 (or (and (or .cse114 .cse40) (or .cse101 .cse28)) .cse6) (or .cse10 .cse82) (or (and .cse63 .cse37 .cse38 .cse66) .cse28) .cse84) .cse54) (or .cse109 .cse28) .cse52 .cse116 (or (and .cse117 .cse61 .cse118 .cse58 .cse68 .cse119 .cse77) .cse9) (or .cse10 (and .cse117 .cse61 .cse58 .cse68 .cse77)) .cse11 (or (and .cse45 .cse37 .cse38 .cse46) .cse79) .cse76 (or .cse6 (and .cse120 (or .cse4 (and .cse31 .cse33)) .cse74 .cse111 (or .cse28 .cse60))) .cse24 (or .cse6 .cse40 .cse60) (or .cse9 (and .cse117 .cse61 .cse118 .cse58 .cse68 .cse67 .cse119 .cse77 (or (and .cse56 .cse73 .cse75 .cse57) .cse6))) (or (and .cse55 .cse45 .cse56 .cse68 .cse37 .cse38 .cse46 .cse77 .cse57 (or .cse54 (and .cse63 .cse71 .cse72 .cse66))) .cse28))) .cse78) (or .cse4 (and .cse121 .cse18 .cse19 .cse122 .cse123)) (or .cse10 (and .cse124 (or .cse6 (and .cse120 .cse14 .cse15)) .cse24)) (or (and .cse121 .cse18 .cse19 (or .cse10 (and (or .cse6 (and .cse1 .cse31 .cse3 .cse13)) .cse124 .cse20)) .cse122 .cse123) .cse4) (or (and (or .cse6 (and .cse120 .cse14 .cse15 .cse13)) .cse124 .cse24) .cse10) (or .cse125 (forall ((v_~var_1_18~0_21 Int)) (or (< v_~var_1_18~0_21 .cse126) (< v_~var_1_18~0_21 .cse127) (< v_~var_1_18~0_21 2) (< c_~var_1_48~0 (mod v_~var_1_18~0_21 .cse128)) (< v_~var_1_18~0_21 .cse105)))) (or .cse129 (forall ((v_~var_1_18~0_21 Int)) (or (< c_~var_1_48~0 (mod v_~var_1_18~0_21 .cse126)) (< v_~var_1_18~0_21 .cse126) (< v_~var_1_18~0_21 .cse127) (< v_~var_1_18~0_21 2) (< v_~var_1_18~0_21 .cse105)))) (or (and .cse0 .cse7 (or (and .cse1 .cse2 .cse3 .cse130) .cse4) (or .cse10 (and .cse120 .cse13)) (or .cse4 (and .cse1 (or (and .cse31 .cse13) .cse10) .cse2 .cse3 .cse130)) .cse14 .cse15) .cse6) (or (let ((.cse131 (and .cse56 .cse74 .cse75 .cse57))) (and (or .cse16 .cse131) .cse52 (or (and .cse37 .cse38 .cse39 .cse36) .cse79) .cse61 (or .cse131 .cse6) .cse68 (or (and (or .cse30 .cse54) .cse69 .cse63 .cse56 .cse65 .cse74 .cse75 .cse57 .cse66) .cse34) (or (and .cse63 .cse37 (or .cse101 .cse6) .cse38 .cse115 .cse66) .cse54) .cse77)) .cse28))))))))) is different from false