./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-sp_file-2.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_180aebae-ea4f-4c58-aaa1-7f80ce9d0d14/bin/uautomizer-verify-BQ2R08f2Ya/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_180aebae-ea4f-4c58-aaa1-7f80ce9d0d14/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_180aebae-ea4f-4c58-aaa1-7f80ce9d0d14/bin/uautomizer-verify-BQ2R08f2Ya/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_180aebae-ea4f-4c58-aaa1-7f80ce9d0d14/bin/uautomizer-verify-BQ2R08f2Ya/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-sp_file-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_180aebae-ea4f-4c58-aaa1-7f80ce9d0d14/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_180aebae-ea4f-4c58-aaa1-7f80ce9d0d14/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 c554ccc5a601f8437729d4334efbdb5f23a6f490bc0338089a1c3e75130cdbec --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-29 01:10:39,990 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-29 01:10:40,059 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_180aebae-ea4f-4c58-aaa1-7f80ce9d0d14/bin/uautomizer-verify-BQ2R08f2Ya/config/svcomp-Reach-32bit-Automizer_Default.epf [2023-11-29 01:10:40,063 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-29 01:10:40,064 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-29 01:10:40,089 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-29 01:10:40,090 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-29 01:10:40,090 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-29 01:10:40,091 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-29 01:10:40,091 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-29 01:10:40,092 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-29 01:10:40,093 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-29 01:10:40,093 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-29 01:10:40,094 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-29 01:10:40,094 INFO L153 SettingsManager]: * Use SBE=true [2023-11-29 01:10:40,095 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-29 01:10:40,095 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-29 01:10:40,096 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-29 01:10:40,096 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-29 01:10:40,097 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-29 01:10:40,098 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-29 01:10:40,098 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-29 01:10:40,099 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-29 01:10:40,099 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-29 01:10:40,100 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-29 01:10:40,100 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-29 01:10:40,101 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-29 01:10:40,101 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-29 01:10:40,101 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-29 01:10:40,102 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-29 01:10:40,102 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-29 01:10:40,103 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-29 01:10:40,103 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-29 01:10:40,103 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-29 01:10:40,104 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-29 01:10:40,104 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-29 01:10:40,104 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-29 01:10:40,104 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-29 01:10:40,104 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-29 01:10:40,105 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-29 01:10:40,105 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-29 01:10:40,105 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-29 01:10:40,105 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_180aebae-ea4f-4c58-aaa1-7f80ce9d0d14/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_180aebae-ea4f-4c58-aaa1-7f80ce9d0d14/bin/uautomizer-verify-BQ2R08f2Ya Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c554ccc5a601f8437729d4334efbdb5f23a6f490bc0338089a1c3e75130cdbec [2023-11-29 01:10:40,332 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-29 01:10:40,355 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-29 01:10:40,358 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-29 01:10:40,359 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-29 01:10:40,360 INFO L274 PluginConnector]: CDTParser initialized [2023-11-29 01:10:40,361 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_180aebae-ea4f-4c58-aaa1-7f80ce9d0d14/bin/uautomizer-verify-BQ2R08f2Ya/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-sp_file-2.i [2023-11-29 01:10:43,062 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-29 01:10:43,259 INFO L384 CDTParser]: Found 1 translation units. [2023-11-29 01:10:43,260 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_180aebae-ea4f-4c58-aaa1-7f80ce9d0d14/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-sp_file-2.i [2023-11-29 01:10:43,269 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_180aebae-ea4f-4c58-aaa1-7f80ce9d0d14/bin/uautomizer-verify-BQ2R08f2Ya/data/ac477a0d8/3f11e419858d452b92e5e86a4a759adf/FLAG8a5cabd1f [2023-11-29 01:10:43,284 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_180aebae-ea4f-4c58-aaa1-7f80ce9d0d14/bin/uautomizer-verify-BQ2R08f2Ya/data/ac477a0d8/3f11e419858d452b92e5e86a4a759adf [2023-11-29 01:10:43,287 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-29 01:10:43,288 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-29 01:10:43,290 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-29 01:10:43,290 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-29 01:10:43,294 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-29 01:10:43,295 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 01:10:43" (1/1) ... [2023-11-29 01:10:43,296 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3d0b180 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 01:10:43, skipping insertion in model container [2023-11-29 01:10:43,296 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 01:10:43" (1/1) ... [2023-11-29 01:10:43,331 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-29 01:10:43,487 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_180aebae-ea4f-4c58-aaa1-7f80ce9d0d14/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-sp_file-2.i[916,929] [2023-11-29 01:10:43,554 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 01:10:43,567 INFO L202 MainTranslator]: Completed pre-run [2023-11-29 01:10:43,579 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_180aebae-ea4f-4c58-aaa1-7f80ce9d0d14/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-sp_file-2.i[916,929] [2023-11-29 01:10:43,615 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 01:10:43,636 INFO L206 MainTranslator]: Completed translation [2023-11-29 01:10:43,637 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 01:10:43 WrapperNode [2023-11-29 01:10:43,637 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-29 01:10:43,638 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-29 01:10:43,638 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-29 01:10:43,639 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-29 01:10:43,646 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 01:10:43" (1/1) ... [2023-11-29 01:10:43,660 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 01:10:43" (1/1) ... [2023-11-29 01:10:43,696 INFO L138 Inliner]: procedures = 29, calls = 155, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 454 [2023-11-29 01:10:43,696 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-29 01:10:43,697 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-29 01:10:43,697 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-29 01:10:43,697 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-29 01:10:43,706 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 01:10:43" (1/1) ... [2023-11-29 01:10:43,707 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 01:10:43" (1/1) ... [2023-11-29 01:10:43,712 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 01:10:43" (1/1) ... [2023-11-29 01:10:43,730 INFO L175 MemorySlicer]: Split 131 memory accesses to 2 slices as follows [2, 129]. 98 percent of accesses are in the largest equivalence class. The 12 initializations are split as follows [2, 10]. The 15 writes are split as follows [0, 15]. [2023-11-29 01:10:43,730 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 01:10:43" (1/1) ... [2023-11-29 01:10:43,730 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 01:10:43" (1/1) ... [2023-11-29 01:10:43,746 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 01:10:43" (1/1) ... [2023-11-29 01:10:43,751 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 01:10:43" (1/1) ... [2023-11-29 01:10:43,753 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 01:10:43" (1/1) ... [2023-11-29 01:10:43,756 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 01:10:43" (1/1) ... [2023-11-29 01:10:43,761 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-29 01:10:43,762 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-29 01:10:43,762 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-29 01:10:43,763 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-29 01:10:43,763 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 01:10:43" (1/1) ... [2023-11-29 01:10:43,768 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-29 01:10:43,777 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_180aebae-ea4f-4c58-aaa1-7f80ce9d0d14/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 01:10:43,790 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_180aebae-ea4f-4c58-aaa1-7f80ce9d0d14/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2023-11-29 01:10:43,800 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_180aebae-ea4f-4c58-aaa1-7f80ce9d0d14/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2023-11-29 01:10:43,831 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-29 01:10:43,832 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#0 [2023-11-29 01:10:43,832 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#1 [2023-11-29 01:10:43,832 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2023-11-29 01:10:43,832 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2023-11-29 01:10:43,833 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#0 [2023-11-29 01:10:43,833 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#1 [2023-11-29 01:10:43,833 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2023-11-29 01:10:43,833 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2023-11-29 01:10:43,833 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#0 [2023-11-29 01:10:43,833 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#1 [2023-11-29 01:10:43,833 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-29 01:10:43,834 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-29 01:10:43,834 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-11-29 01:10:43,834 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2023-11-29 01:10:43,834 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-29 01:10:43,834 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-29 01:10:43,958 INFO L241 CfgBuilder]: Building ICFG [2023-11-29 01:10:43,961 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-29 01:10:44,455 INFO L282 CfgBuilder]: Performing block encoding [2023-11-29 01:10:44,491 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-29 01:10:44,491 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-29 01:10:44,492 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 01:10:44 BoogieIcfgContainer [2023-11-29 01:10:44,492 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-29 01:10:44,495 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-29 01:10:44,495 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-29 01:10:44,499 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-29 01:10:44,499 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.11 01:10:43" (1/3) ... [2023-11-29 01:10:44,500 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1794fbde and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 01:10:44, skipping insertion in model container [2023-11-29 01:10:44,500 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 01:10:43" (2/3) ... [2023-11-29 01:10:44,500 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1794fbde and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 01:10:44, skipping insertion in model container [2023-11-29 01:10:44,501 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 01:10:44" (3/3) ... [2023-11-29 01:10:44,502 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_wrapper-sp_file-2.i [2023-11-29 01:10:44,522 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-29 01:10:44,523 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-29 01:10:44,577 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-29 01:10:44,583 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;@37d9272a, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-29 01:10:44,584 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-29 01:10:44,589 INFO L276 IsEmpty]: Start isEmpty. Operand has 95 states, 80 states have (on average 1.5125) internal successors, (121), 81 states have internal predecessors, (121), 12 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2023-11-29 01:10:44,601 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2023-11-29 01:10:44,601 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 01:10:44,602 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 01:10:44,602 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 01:10:44,607 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 01:10:44,608 INFO L85 PathProgramCache]: Analyzing trace with hash -2114633029, now seen corresponding path program 1 times [2023-11-29 01:10:44,618 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 01:10:44,618 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [466907294] [2023-11-29 01:10:44,619 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:10:44,619 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 01:10:44,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:10:44,807 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 01:10:44,807 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [466907294] [2023-11-29 01:10:44,807 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unsupported non-linear arithmetic [2023-11-29 01:10:44,808 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1344341755] [2023-11-29 01:10:44,808 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:10:44,808 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 01:10:44,808 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_180aebae-ea4f-4c58-aaa1-7f80ce9d0d14/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 01:10:44,813 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_180aebae-ea4f-4c58-aaa1-7f80ce9d0d14/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 01:10:44,814 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_180aebae-ea4f-4c58-aaa1-7f80ce9d0d14/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-29 01:10:44,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:10:45,003 INFO L262 TraceCheckSpWp]: Trace formula consists of 343 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-29 01:10:45,013 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 01:10:45,047 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 242 trivial. 0 not checked. [2023-11-29 01:10:45,047 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 01:10:45,048 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1344341755] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 01:10:45,048 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 01:10:45,048 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 01:10:45,050 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [463257422] [2023-11-29 01:10:45,051 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 01:10:45,054 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-29 01:10:45,055 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 01:10:45,077 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-29 01:10:45,077 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-29 01:10:45,080 INFO L87 Difference]: Start difference. First operand has 95 states, 80 states have (on average 1.5125) internal successors, (121), 81 states have internal predecessors, (121), 12 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) Second operand has 2 states, 2 states have (on average 20.0) internal successors, (40), 2 states have internal predecessors, (40), 2 states have call successors, (12), 2 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 2 states have call successors, (12) [2023-11-29 01:10:45,119 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 01:10:45,119 INFO L93 Difference]: Finished difference Result 187 states and 300 transitions. [2023-11-29 01:10:45,121 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-29 01:10:45,122 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 20.0) internal successors, (40), 2 states have internal predecessors, (40), 2 states have call successors, (12), 2 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 2 states have call successors, (12) Word has length 95 [2023-11-29 01:10:45,122 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 01:10:45,131 INFO L225 Difference]: With dead ends: 187 [2023-11-29 01:10:45,131 INFO L226 Difference]: Without dead ends: 93 [2023-11-29 01:10:45,135 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 94 GetRequests, 94 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 01:10:45,138 INFO L413 NwaCegarLoop]: 136 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 136 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-29 01:10:45,140 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 136 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-29 01:10:45,157 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 93 states. [2023-11-29 01:10:45,203 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 93 to 93. [2023-11-29 01:10:45,204 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 93 states, 79 states have (on average 1.4683544303797469) internal successors, (116), 79 states have internal predecessors, (116), 12 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2023-11-29 01:10:45,207 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 93 states and 140 transitions. [2023-11-29 01:10:45,208 INFO L78 Accepts]: Start accepts. Automaton has 93 states and 140 transitions. Word has length 95 [2023-11-29 01:10:45,209 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 01:10:45,209 INFO L495 AbstractCegarLoop]: Abstraction has 93 states and 140 transitions. [2023-11-29 01:10:45,209 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 20.0) internal successors, (40), 2 states have internal predecessors, (40), 2 states have call successors, (12), 2 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 2 states have call successors, (12) [2023-11-29 01:10:45,209 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 140 transitions. [2023-11-29 01:10:45,214 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2023-11-29 01:10:45,214 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 01:10:45,214 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 01:10:45,221 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_180aebae-ea4f-4c58-aaa1-7f80ce9d0d14/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-11-29 01:10:45,416 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_180aebae-ea4f-4c58-aaa1-7f80ce9d0d14/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2023-11-29 01:10:45,416 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 01:10:45,417 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 01:10:45,417 INFO L85 PathProgramCache]: Analyzing trace with hash 125841295, now seen corresponding path program 1 times [2023-11-29 01:10:45,417 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 01:10:45,418 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1243053407] [2023-11-29 01:10:45,418 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:10:45,418 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 01:10:45,479 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-29 01:10:45,480 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1801802885] [2023-11-29 01:10:45,480 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:10:45,480 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 01:10:45,480 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_180aebae-ea4f-4c58-aaa1-7f80ce9d0d14/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 01:10:45,481 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_180aebae-ea4f-4c58-aaa1-7f80ce9d0d14/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 01:10:45,486 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_180aebae-ea4f-4c58-aaa1-7f80ce9d0d14/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-11-29 01:10:45,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:10:45,658 INFO L262 TraceCheckSpWp]: Trace formula consists of 343 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-29 01:10:45,663 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 01:10:45,686 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2023-11-29 01:10:45,687 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 01:10:45,687 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 01:10:45,687 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1243053407] [2023-11-29 01:10:45,687 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-29 01:10:45,688 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1801802885] [2023-11-29 01:10:45,688 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1801802885] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 01:10:45,688 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 01:10:45,688 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-29 01:10:45,688 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1042467248] [2023-11-29 01:10:45,689 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 01:10:45,690 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 01:10:45,690 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 01:10:45,691 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 01:10:45,691 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 01:10:45,691 INFO L87 Difference]: Start difference. First operand 93 states and 140 transitions. Second operand has 3 states, 3 states have (on average 12.666666666666666) internal successors, (38), 3 states have internal predecessors, (38), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2023-11-29 01:10:45,726 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 01:10:45,726 INFO L93 Difference]: Finished difference Result 186 states and 281 transitions. [2023-11-29 01:10:45,727 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 01:10:45,727 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 12.666666666666666) internal successors, (38), 3 states have internal predecessors, (38), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) Word has length 95 [2023-11-29 01:10:45,728 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 01:10:45,729 INFO L225 Difference]: With dead ends: 186 [2023-11-29 01:10:45,730 INFO L226 Difference]: Without dead ends: 94 [2023-11-29 01:10:45,731 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 94 GetRequests, 93 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 01:10:45,732 INFO L413 NwaCegarLoop]: 135 mSDtfsCounter, 0 mSDsluCounter, 130 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 265 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-29 01:10:45,733 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 265 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-29 01:10:45,734 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 94 states. [2023-11-29 01:10:45,743 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 94 to 94. [2023-11-29 01:10:45,744 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 94 states, 80 states have (on average 1.4625) internal successors, (117), 80 states have internal predecessors, (117), 12 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2023-11-29 01:10:45,745 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 94 states and 141 transitions. [2023-11-29 01:10:45,746 INFO L78 Accepts]: Start accepts. Automaton has 94 states and 141 transitions. Word has length 95 [2023-11-29 01:10:45,747 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 01:10:45,747 INFO L495 AbstractCegarLoop]: Abstraction has 94 states and 141 transitions. [2023-11-29 01:10:45,748 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 12.666666666666666) internal successors, (38), 3 states have internal predecessors, (38), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2023-11-29 01:10:45,748 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 141 transitions. [2023-11-29 01:10:45,750 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2023-11-29 01:10:45,750 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 01:10:45,750 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 01:10:45,756 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_180aebae-ea4f-4c58-aaa1-7f80ce9d0d14/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2023-11-29 01:10:45,952 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_180aebae-ea4f-4c58-aaa1-7f80ce9d0d14/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 01:10:45,953 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 01:10:45,953 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 01:10:45,954 INFO L85 PathProgramCache]: Analyzing trace with hash -460964719, now seen corresponding path program 1 times [2023-11-29 01:10:45,954 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 01:10:45,954 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [966972053] [2023-11-29 01:10:45,954 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:10:45,954 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 01:10:46,006 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-29 01:10:46,006 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [974888238] [2023-11-29 01:10:46,006 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:10:46,006 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 01:10:46,007 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_180aebae-ea4f-4c58-aaa1-7f80ce9d0d14/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 01:10:46,008 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_180aebae-ea4f-4c58-aaa1-7f80ce9d0d14/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 01:10:46,011 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_180aebae-ea4f-4c58-aaa1-7f80ce9d0d14/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-11-29 01:10:46,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:10:46,185 INFO L262 TraceCheckSpWp]: Trace formula consists of 348 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-29 01:10:46,190 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 01:10:46,222 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 80 proven. 0 refuted. 0 times theorem prover too weak. 184 trivial. 0 not checked. [2023-11-29 01:10:46,223 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 01:10:46,223 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 01:10:46,223 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [966972053] [2023-11-29 01:10:46,223 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-29 01:10:46,223 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [974888238] [2023-11-29 01:10:46,223 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [974888238] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 01:10:46,224 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 01:10:46,224 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-29 01:10:46,224 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1805463728] [2023-11-29 01:10:46,224 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 01:10:46,225 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-29 01:10:46,225 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 01:10:46,225 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-29 01:10:46,226 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-29 01:10:46,226 INFO L87 Difference]: Start difference. First operand 94 states and 141 transitions. Second operand has 4 states, 4 states have (on average 10.25) internal successors, (41), 4 states have internal predecessors, (41), 2 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2023-11-29 01:10:46,274 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 01:10:46,274 INFO L93 Difference]: Finished difference Result 193 states and 290 transitions. [2023-11-29 01:10:46,274 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-29 01:10:46,275 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 10.25) internal successors, (41), 4 states have internal predecessors, (41), 2 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 95 [2023-11-29 01:10:46,275 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 01:10:46,277 INFO L225 Difference]: With dead ends: 193 [2023-11-29 01:10:46,277 INFO L226 Difference]: Without dead ends: 100 [2023-11-29 01:10:46,278 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 95 GetRequests, 92 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 01:10:46,279 INFO L413 NwaCegarLoop]: 137 mSDtfsCounter, 10 mSDsluCounter, 263 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 400 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-29 01:10:46,280 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [11 Valid, 400 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-29 01:10:46,281 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 100 states. [2023-11-29 01:10:46,288 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 100 to 96. [2023-11-29 01:10:46,289 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 96 states, 82 states have (on average 1.451219512195122) internal successors, (119), 82 states have internal predecessors, (119), 12 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2023-11-29 01:10:46,290 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 96 states and 143 transitions. [2023-11-29 01:10:46,290 INFO L78 Accepts]: Start accepts. Automaton has 96 states and 143 transitions. Word has length 95 [2023-11-29 01:10:46,290 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 01:10:46,290 INFO L495 AbstractCegarLoop]: Abstraction has 96 states and 143 transitions. [2023-11-29 01:10:46,291 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.25) internal successors, (41), 4 states have internal predecessors, (41), 2 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2023-11-29 01:10:46,291 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 143 transitions. [2023-11-29 01:10:46,293 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2023-11-29 01:10:46,293 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 01:10:46,293 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 01:10:46,298 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_180aebae-ea4f-4c58-aaa1-7f80ce9d0d14/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2023-11-29 01:10:46,493 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_180aebae-ea4f-4c58-aaa1-7f80ce9d0d14/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 01:10:46,494 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 01:10:46,494 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 01:10:46,494 INFO L85 PathProgramCache]: Analyzing trace with hash -388578161, now seen corresponding path program 1 times [2023-11-29 01:10:46,494 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 01:10:46,495 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1236546088] [2023-11-29 01:10:46,495 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:10:46,495 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 01:10:46,537 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-29 01:10:46,537 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [297533907] [2023-11-29 01:10:46,537 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:10:46,537 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 01:10:46,538 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_180aebae-ea4f-4c58-aaa1-7f80ce9d0d14/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 01:10:46,539 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_180aebae-ea4f-4c58-aaa1-7f80ce9d0d14/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 01:10:46,542 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_180aebae-ea4f-4c58-aaa1-7f80ce9d0d14/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-11-29 01:10:46,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:10:46,713 INFO L262 TraceCheckSpWp]: Trace formula consists of 350 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-29 01:10:46,717 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 01:10:46,742 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2023-11-29 01:10:46,743 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 01:10:46,743 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 01:10:46,743 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1236546088] [2023-11-29 01:10:46,743 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-29 01:10:46,743 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [297533907] [2023-11-29 01:10:46,744 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [297533907] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 01:10:46,744 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 01:10:46,744 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-29 01:10:46,744 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [775912283] [2023-11-29 01:10:46,744 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 01:10:46,745 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-29 01:10:46,745 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 01:10:46,746 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-29 01:10:46,746 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-29 01:10:46,746 INFO L87 Difference]: Start difference. First operand 96 states and 143 transitions. Second operand has 4 states, 4 states have (on average 9.5) internal successors, (38), 4 states have internal predecessors, (38), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2023-11-29 01:10:46,789 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 01:10:46,789 INFO L93 Difference]: Finished difference Result 213 states and 319 transitions. [2023-11-29 01:10:46,789 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-29 01:10:46,790 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 9.5) internal successors, (38), 4 states have internal predecessors, (38), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) Word has length 95 [2023-11-29 01:10:46,791 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 01:10:46,792 INFO L225 Difference]: With dead ends: 213 [2023-11-29 01:10:46,792 INFO L226 Difference]: Without dead ends: 118 [2023-11-29 01:10:46,793 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 95 GetRequests, 92 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 01:10:46,794 INFO L413 NwaCegarLoop]: 146 mSDtfsCounter, 67 mSDsluCounter, 256 mSDsCounter, 0 mSdLazyCounter, 26 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 67 SdHoareTripleChecker+Valid, 402 SdHoareTripleChecker+Invalid, 27 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 26 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-29 01:10:46,795 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [67 Valid, 402 Invalid, 27 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 26 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-29 01:10:46,796 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 118 states. [2023-11-29 01:10:46,804 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 118 to 98. [2023-11-29 01:10:46,805 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 98 states, 84 states have (on average 1.4404761904761905) internal successors, (121), 84 states have internal predecessors, (121), 12 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2023-11-29 01:10:46,806 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 98 states and 145 transitions. [2023-11-29 01:10:46,807 INFO L78 Accepts]: Start accepts. Automaton has 98 states and 145 transitions. Word has length 95 [2023-11-29 01:10:46,807 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 01:10:46,808 INFO L495 AbstractCegarLoop]: Abstraction has 98 states and 145 transitions. [2023-11-29 01:10:46,808 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.5) internal successors, (38), 4 states have internal predecessors, (38), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2023-11-29 01:10:46,808 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 145 transitions. [2023-11-29 01:10:46,810 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2023-11-29 01:10:46,810 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 01:10:46,811 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 01:10:46,816 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_180aebae-ea4f-4c58-aaa1-7f80ce9d0d14/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2023-11-29 01:10:47,015 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_180aebae-ea4f-4c58-aaa1-7f80ce9d0d14/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 01:10:47,016 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 01:10:47,016 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 01:10:47,016 INFO L85 PathProgramCache]: Analyzing trace with hash -1312698308, now seen corresponding path program 1 times [2023-11-29 01:10:47,017 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 01:10:47,017 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [812114890] [2023-11-29 01:10:47,017 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:10:47,017 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 01:10:47,065 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-29 01:10:47,065 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2105145736] [2023-11-29 01:10:47,065 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:10:47,065 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 01:10:47,066 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_180aebae-ea4f-4c58-aaa1-7f80ce9d0d14/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 01:10:47,067 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_180aebae-ea4f-4c58-aaa1-7f80ce9d0d14/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 01:10:47,074 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_180aebae-ea4f-4c58-aaa1-7f80ce9d0d14/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2023-11-29 01:10:47,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:10:47,240 INFO L262 TraceCheckSpWp]: Trace formula consists of 372 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-29 01:10:47,244 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 01:10:47,278 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2023-11-29 01:10:47,278 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 01:10:47,278 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 01:10:47,278 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [812114890] [2023-11-29 01:10:47,278 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-29 01:10:47,279 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2105145736] [2023-11-29 01:10:47,279 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2105145736] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 01:10:47,279 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 01:10:47,279 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-29 01:10:47,279 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1652028878] [2023-11-29 01:10:47,279 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 01:10:47,280 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 01:10:47,280 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 01:10:47,281 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 01:10:47,281 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 01:10:47,281 INFO L87 Difference]: Start difference. First operand 98 states and 145 transitions. Second operand has 3 states, 3 states have (on average 13.666666666666666) internal successors, (41), 3 states have internal predecessors, (41), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2023-11-29 01:10:47,311 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 01:10:47,312 INFO L93 Difference]: Finished difference Result 237 states and 353 transitions. [2023-11-29 01:10:47,312 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 01:10:47,312 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 13.666666666666666) internal successors, (41), 3 states have internal predecessors, (41), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) Word has length 98 [2023-11-29 01:10:47,313 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 01:10:47,314 INFO L225 Difference]: With dead ends: 237 [2023-11-29 01:10:47,314 INFO L226 Difference]: Without dead ends: 140 [2023-11-29 01:10:47,315 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 97 GetRequests, 96 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 01:10:47,316 INFO L413 NwaCegarLoop]: 135 mSDtfsCounter, 57 mSDsluCounter, 132 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 57 SdHoareTripleChecker+Valid, 267 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-29 01:10:47,316 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [57 Valid, 267 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-29 01:10:47,317 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 140 states. [2023-11-29 01:10:47,325 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 140 to 115. [2023-11-29 01:10:47,325 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 115 states, 101 states have (on average 1.4653465346534653) internal successors, (148), 101 states have internal predecessors, (148), 12 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2023-11-29 01:10:47,326 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 115 states and 172 transitions. [2023-11-29 01:10:47,327 INFO L78 Accepts]: Start accepts. Automaton has 115 states and 172 transitions. Word has length 98 [2023-11-29 01:10:47,327 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 01:10:47,327 INFO L495 AbstractCegarLoop]: Abstraction has 115 states and 172 transitions. [2023-11-29 01:10:47,327 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 13.666666666666666) internal successors, (41), 3 states have internal predecessors, (41), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2023-11-29 01:10:47,328 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 172 transitions. [2023-11-29 01:10:47,329 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2023-11-29 01:10:47,329 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 01:10:47,329 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 01:10:47,335 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_180aebae-ea4f-4c58-aaa1-7f80ce9d0d14/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2023-11-29 01:10:47,535 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_180aebae-ea4f-4c58-aaa1-7f80ce9d0d14/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 01:10:47,536 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 01:10:47,536 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 01:10:47,536 INFO L85 PathProgramCache]: Analyzing trace with hash -1243204906, now seen corresponding path program 1 times [2023-11-29 01:10:47,536 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 01:10:47,536 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [618324389] [2023-11-29 01:10:47,537 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:10:47,537 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 01:10:47,570 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-29 01:10:47,570 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1209159193] [2023-11-29 01:10:47,570 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:10:47,570 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 01:10:47,571 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_180aebae-ea4f-4c58-aaa1-7f80ce9d0d14/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 01:10:47,572 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_180aebae-ea4f-4c58-aaa1-7f80ce9d0d14/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 01:10:47,578 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_180aebae-ea4f-4c58-aaa1-7f80ce9d0d14/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2023-11-29 01:10:47,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:10:47,750 INFO L262 TraceCheckSpWp]: Trace formula consists of 362 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-29 01:10:47,754 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 01:10:47,765 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2023-11-29 01:10:47,765 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 01:10:47,765 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 01:10:47,765 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [618324389] [2023-11-29 01:10:47,765 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-29 01:10:47,766 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1209159193] [2023-11-29 01:10:47,766 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1209159193] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 01:10:47,766 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 01:10:47,766 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-29 01:10:47,766 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1034602167] [2023-11-29 01:10:47,766 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 01:10:47,767 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 01:10:47,767 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 01:10:47,768 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 01:10:47,768 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 01:10:47,768 INFO L87 Difference]: Start difference. First operand 115 states and 172 transitions. Second operand has 3 states, 3 states have (on average 13.666666666666666) internal successors, (41), 3 states have internal predecessors, (41), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2023-11-29 01:10:47,792 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 01:10:47,792 INFO L93 Difference]: Finished difference Result 240 states and 359 transitions. [2023-11-29 01:10:47,792 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 01:10:47,793 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 13.666666666666666) internal successors, (41), 3 states have internal predecessors, (41), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) Word has length 98 [2023-11-29 01:10:47,793 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 01:10:47,794 INFO L225 Difference]: With dead ends: 240 [2023-11-29 01:10:47,794 INFO L226 Difference]: Without dead ends: 126 [2023-11-29 01:10:47,795 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 97 GetRequests, 96 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 01:10:47,796 INFO L413 NwaCegarLoop]: 148 mSDtfsCounter, 27 mSDsluCounter, 117 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 27 SdHoareTripleChecker+Valid, 265 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 01:10:47,796 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [27 Valid, 265 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-29 01:10:47,797 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 126 states. [2023-11-29 01:10:47,805 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 126 to 116. [2023-11-29 01:10:47,805 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 116 states, 102 states have (on average 1.4607843137254901) internal successors, (149), 102 states have internal predecessors, (149), 12 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2023-11-29 01:10:47,806 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 116 states and 173 transitions. [2023-11-29 01:10:47,807 INFO L78 Accepts]: Start accepts. Automaton has 116 states and 173 transitions. Word has length 98 [2023-11-29 01:10:47,807 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 01:10:47,807 INFO L495 AbstractCegarLoop]: Abstraction has 116 states and 173 transitions. [2023-11-29 01:10:47,808 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 13.666666666666666) internal successors, (41), 3 states have internal predecessors, (41), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2023-11-29 01:10:47,808 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 173 transitions. [2023-11-29 01:10:47,809 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2023-11-29 01:10:47,809 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 01:10:47,809 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 01:10:47,814 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_180aebae-ea4f-4c58-aaa1-7f80ce9d0d14/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2023-11-29 01:10:48,010 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_180aebae-ea4f-4c58-aaa1-7f80ce9d0d14/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2023-11-29 01:10:48,010 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 01:10:48,011 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 01:10:48,011 INFO L85 PathProgramCache]: Analyzing trace with hash -2052551532, now seen corresponding path program 1 times [2023-11-29 01:10:48,011 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 01:10:48,011 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [838336859] [2023-11-29 01:10:48,011 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:10:48,011 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 01:10:48,044 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-29 01:10:48,044 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1027363560] [2023-11-29 01:10:48,044 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:10:48,044 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 01:10:48,045 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_180aebae-ea4f-4c58-aaa1-7f80ce9d0d14/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 01:10:48,046 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_180aebae-ea4f-4c58-aaa1-7f80ce9d0d14/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 01:10:48,050 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_180aebae-ea4f-4c58-aaa1-7f80ce9d0d14/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2023-11-29 01:10:48,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:10:48,233 INFO L262 TraceCheckSpWp]: Trace formula consists of 367 conjuncts, 34 conjunts are in the unsatisfiable core [2023-11-29 01:10:48,240 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 01:10:49,429 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 01:10:49,436 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 15 [2023-11-29 01:10:49,484 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 01:10:49,485 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 01:10:49,487 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 01:10:49,489 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 18 [2023-11-29 01:10:49,620 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 01:10:49,621 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 28 [2023-11-29 01:10:49,646 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2023-11-29 01:10:49,646 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 01:10:49,646 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 01:10:49,646 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [838336859] [2023-11-29 01:10:49,646 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-29 01:10:49,647 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1027363560] [2023-11-29 01:10:49,647 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1027363560] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 01:10:49,647 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 01:10:49,647 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2023-11-29 01:10:49,647 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [542952069] [2023-11-29 01:10:49,648 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 01:10:49,648 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-11-29 01:10:49,648 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 01:10:49,649 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-11-29 01:10:49,649 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2023-11-29 01:10:49,649 INFO L87 Difference]: Start difference. First operand 116 states and 173 transitions. Second operand has 10 states, 10 states have (on average 4.1) internal successors, (41), 9 states have internal predecessors, (41), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2023-11-29 01:10:50,378 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 01:10:50,378 INFO L93 Difference]: Finished difference Result 321 states and 476 transitions. [2023-11-29 01:10:50,378 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-11-29 01:10:50,379 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 4.1) internal successors, (41), 9 states have internal predecessors, (41), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) Word has length 98 [2023-11-29 01:10:50,379 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 01:10:50,381 INFO L225 Difference]: With dead ends: 321 [2023-11-29 01:10:50,381 INFO L226 Difference]: Without dead ends: 206 [2023-11-29 01:10:50,381 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 108 GetRequests, 89 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 66 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=130, Invalid=290, Unknown=0, NotChecked=0, Total=420 [2023-11-29 01:10:50,382 INFO L413 NwaCegarLoop]: 95 mSDtfsCounter, 451 mSDsluCounter, 455 mSDsCounter, 0 mSdLazyCounter, 487 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 451 SdHoareTripleChecker+Valid, 550 SdHoareTripleChecker+Invalid, 496 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 487 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2023-11-29 01:10:50,383 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [451 Valid, 550 Invalid, 496 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 487 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2023-11-29 01:10:50,384 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 206 states. [2023-11-29 01:10:50,394 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 206 to 144. [2023-11-29 01:10:50,395 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 144 states, 130 states have (on average 1.4615384615384615) internal successors, (190), 130 states have internal predecessors, (190), 12 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2023-11-29 01:10:50,396 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 144 states and 214 transitions. [2023-11-29 01:10:50,396 INFO L78 Accepts]: Start accepts. Automaton has 144 states and 214 transitions. Word has length 98 [2023-11-29 01:10:50,397 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 01:10:50,397 INFO L495 AbstractCegarLoop]: Abstraction has 144 states and 214 transitions. [2023-11-29 01:10:50,397 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 4.1) internal successors, (41), 9 states have internal predecessors, (41), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2023-11-29 01:10:50,397 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 214 transitions. [2023-11-29 01:10:50,399 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2023-11-29 01:10:50,399 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 01:10:50,399 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 01:10:50,405 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_180aebae-ea4f-4c58-aaa1-7f80ce9d0d14/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2023-11-29 01:10:50,604 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_180aebae-ea4f-4c58-aaa1-7f80ce9d0d14/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 01:10:50,605 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 01:10:50,605 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 01:10:50,605 INFO L85 PathProgramCache]: Analyzing trace with hash -1818748215, now seen corresponding path program 1 times [2023-11-29 01:10:50,605 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 01:10:50,605 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1309452999] [2023-11-29 01:10:50,606 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:10:50,606 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 01:10:50,632 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-29 01:10:50,633 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1130379127] [2023-11-29 01:10:50,633 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:10:50,633 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 01:10:50,633 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_180aebae-ea4f-4c58-aaa1-7f80ce9d0d14/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 01:10:50,634 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_180aebae-ea4f-4c58-aaa1-7f80ce9d0d14/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 01:10:50,636 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_180aebae-ea4f-4c58-aaa1-7f80ce9d0d14/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2023-11-29 01:10:50,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:10:50,844 INFO L262 TraceCheckSpWp]: Trace formula consists of 380 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-29 01:10:50,848 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 01:10:50,947 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2023-11-29 01:10:50,947 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 01:10:50,947 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 01:10:50,947 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1309452999] [2023-11-29 01:10:50,947 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-29 01:10:50,947 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1130379127] [2023-11-29 01:10:50,947 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1130379127] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 01:10:50,947 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 01:10:50,948 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-29 01:10:50,948 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1386999482] [2023-11-29 01:10:50,948 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 01:10:50,948 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-29 01:10:50,948 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 01:10:50,949 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-29 01:10:50,949 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-29 01:10:50,949 INFO L87 Difference]: Start difference. First operand 144 states and 214 transitions. Second operand has 4 states, 4 states have (on average 10.75) internal successors, (43), 3 states have internal predecessors, (43), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2023-11-29 01:10:51,166 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 01:10:51,167 INFO L93 Difference]: Finished difference Result 403 states and 600 transitions. [2023-11-29 01:10:51,167 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-29 01:10:51,167 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 10.75) internal successors, (43), 3 states have internal predecessors, (43), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) Word has length 100 [2023-11-29 01:10:51,168 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 01:10:51,169 INFO L225 Difference]: With dead ends: 403 [2023-11-29 01:10:51,170 INFO L226 Difference]: Without dead ends: 260 [2023-11-29 01:10:51,170 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 100 GetRequests, 97 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 01:10:51,171 INFO L413 NwaCegarLoop]: 110 mSDtfsCounter, 124 mSDsluCounter, 207 mSDsCounter, 0 mSdLazyCounter, 101 mSolverCounterSat, 33 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 124 SdHoareTripleChecker+Valid, 317 SdHoareTripleChecker+Invalid, 134 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 33 IncrementalHoareTripleChecker+Valid, 101 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-29 01:10:51,171 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [124 Valid, 317 Invalid, 134 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [33 Valid, 101 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-29 01:10:51,172 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 260 states. [2023-11-29 01:10:51,192 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 260 to 215. [2023-11-29 01:10:51,193 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 215 states, 188 states have (on average 1.4361702127659575) internal successors, (270), 188 states have internal predecessors, (270), 24 states have call successors, (24), 2 states have call predecessors, (24), 2 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) [2023-11-29 01:10:51,194 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 215 states to 215 states and 318 transitions. [2023-11-29 01:10:51,195 INFO L78 Accepts]: Start accepts. Automaton has 215 states and 318 transitions. Word has length 100 [2023-11-29 01:10:51,195 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 01:10:51,195 INFO L495 AbstractCegarLoop]: Abstraction has 215 states and 318 transitions. [2023-11-29 01:10:51,196 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.75) internal successors, (43), 3 states have internal predecessors, (43), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2023-11-29 01:10:51,196 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states and 318 transitions. [2023-11-29 01:10:51,197 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2023-11-29 01:10:51,197 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 01:10:51,197 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 01:10:51,203 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_180aebae-ea4f-4c58-aaa1-7f80ce9d0d14/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2023-11-29 01:10:51,398 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_180aebae-ea4f-4c58-aaa1-7f80ce9d0d14/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable7 [2023-11-29 01:10:51,398 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 01:10:51,398 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 01:10:51,398 INFO L85 PathProgramCache]: Analyzing trace with hash 1467999738, now seen corresponding path program 1 times [2023-11-29 01:10:51,398 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 01:10:51,399 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1968501561] [2023-11-29 01:10:51,399 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:10:51,399 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 01:10:51,425 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-29 01:10:51,425 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [626725158] [2023-11-29 01:10:51,426 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:10:51,426 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 01:10:51,426 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_180aebae-ea4f-4c58-aaa1-7f80ce9d0d14/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 01:10:51,427 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_180aebae-ea4f-4c58-aaa1-7f80ce9d0d14/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 01:10:51,432 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_180aebae-ea4f-4c58-aaa1-7f80ce9d0d14/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2023-11-29 01:10:51,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:10:51,622 INFO L262 TraceCheckSpWp]: Trace formula consists of 398 conjuncts, 35 conjunts are in the unsatisfiable core [2023-11-29 01:10:51,627 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 01:10:53,548 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2023-11-29 01:10:53,623 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 01:10:53,623 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 15 [2023-11-29 01:10:53,766 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 01:10:53,768 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 01:10:53,769 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 01:10:53,771 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 01:10:53,790 INFO L349 Elim1Store]: treesize reduction 25, result has 30.6 percent of original size [2023-11-29 01:10:53,790 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 42 treesize of output 36 [2023-11-29 01:10:53,900 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2023-11-29 01:10:53,900 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 01:10:53,901 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 01:10:53,901 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1968501561] [2023-11-29 01:10:53,901 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-29 01:10:53,901 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [626725158] [2023-11-29 01:10:53,901 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [626725158] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 01:10:53,901 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 01:10:53,901 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-11-29 01:10:53,901 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2081610881] [2023-11-29 01:10:53,902 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 01:10:53,902 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-29 01:10:53,902 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 01:10:53,903 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-29 01:10:53,903 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2023-11-29 01:10:53,903 INFO L87 Difference]: Start difference. First operand 215 states and 318 transitions. Second operand has 8 states, 8 states have (on average 5.5) internal successors, (44), 7 states have internal predecessors, (44), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2023-11-29 01:10:58,356 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 01:10:58,356 INFO L93 Difference]: Finished difference Result 426 states and 626 transitions. [2023-11-29 01:10:58,357 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-29 01:10:58,357 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 5.5) internal successors, (44), 7 states have internal predecessors, (44), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) Word has length 101 [2023-11-29 01:10:58,357 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 01:10:58,359 INFO L225 Difference]: With dead ends: 426 [2023-11-29 01:10:58,359 INFO L226 Difference]: Without dead ends: 283 [2023-11-29 01:10:58,359 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 104 GetRequests, 94 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=39, Invalid=93, Unknown=0, NotChecked=0, Total=132 [2023-11-29 01:10:58,360 INFO L413 NwaCegarLoop]: 94 mSDtfsCounter, 413 mSDsluCounter, 180 mSDsCounter, 0 mSdLazyCounter, 324 mSolverCounterSat, 0 mSolverCounterUnsat, 13 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 413 SdHoareTripleChecker+Valid, 274 SdHoareTripleChecker+Invalid, 337 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 324 IncrementalHoareTripleChecker+Invalid, 13 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.3s IncrementalHoareTripleChecker+Time [2023-11-29 01:10:58,360 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [413 Valid, 274 Invalid, 337 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 324 Invalid, 13 Unknown, 0 Unchecked, 4.3s Time] [2023-11-29 01:10:58,361 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 283 states. [2023-11-29 01:10:58,381 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 283 to 220. [2023-11-29 01:10:58,382 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 220 states, 193 states have (on average 1.4300518134715026) internal successors, (276), 193 states have internal predecessors, (276), 24 states have call successors, (24), 2 states have call predecessors, (24), 2 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) [2023-11-29 01:10:58,384 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 220 states to 220 states and 324 transitions. [2023-11-29 01:10:58,384 INFO L78 Accepts]: Start accepts. Automaton has 220 states and 324 transitions. Word has length 101 [2023-11-29 01:10:58,384 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 01:10:58,384 INFO L495 AbstractCegarLoop]: Abstraction has 220 states and 324 transitions. [2023-11-29 01:10:58,385 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 5.5) internal successors, (44), 7 states have internal predecessors, (44), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2023-11-29 01:10:58,385 INFO L276 IsEmpty]: Start isEmpty. Operand 220 states and 324 transitions. [2023-11-29 01:10:58,386 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2023-11-29 01:10:58,386 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 01:10:58,386 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 01:10:58,392 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_180aebae-ea4f-4c58-aaa1-7f80ce9d0d14/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2023-11-29 01:10:58,587 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_180aebae-ea4f-4c58-aaa1-7f80ce9d0d14/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable8 [2023-11-29 01:10:58,587 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 01:10:58,587 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 01:10:58,587 INFO L85 PathProgramCache]: Analyzing trace with hash 1074972728, now seen corresponding path program 1 times [2023-11-29 01:10:58,587 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 01:10:58,588 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1807250827] [2023-11-29 01:10:58,588 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:10:58,588 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 01:10:58,613 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-29 01:10:58,613 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [221705524] [2023-11-29 01:10:58,613 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:10:58,614 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 01:10:58,614 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_180aebae-ea4f-4c58-aaa1-7f80ce9d0d14/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 01:10:58,615 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_180aebae-ea4f-4c58-aaa1-7f80ce9d0d14/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 01:10:58,621 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_180aebae-ea4f-4c58-aaa1-7f80ce9d0d14/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2023-11-29 01:10:58,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:10:58,788 INFO L262 TraceCheckSpWp]: Trace formula consists of 396 conjuncts, 43 conjunts are in the unsatisfiable core [2023-11-29 01:10:58,793 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 01:11:00,236 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 01:11:00,237 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 17 [2023-11-29 01:11:00,323 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 01:11:00,324 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 01:11:00,325 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 01:11:00,339 INFO L349 Elim1Store]: treesize reduction 49, result has 12.5 percent of original size [2023-11-29 01:11:00,339 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 29 treesize of output 34 [2023-11-29 01:11:00,416 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 01:11:00,416 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 01:11:00,417 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 01:11:00,418 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 01:11:00,419 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 01:11:00,450 INFO L349 Elim1Store]: treesize reduction 72, result has 27.3 percent of original size [2023-11-29 01:11:00,450 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 5 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 5 case distinctions, treesize of input 40 treesize of output 49 [2023-11-29 01:11:00,567 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 01:11:00,568 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 14 [2023-11-29 01:11:00,611 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 33 refuted. 0 times theorem prover too weak. 231 trivial. 0 not checked. [2023-11-29 01:11:00,612 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 01:11:00,879 WARN L854 $PredicateComparison]: unable to prove that (forall ((~WrapperStruct00_var_1_6_Pointer~0.offset Int) (v_ArrVal_745 (Array Int Int)) (~WrapperStruct00_var_1_6_Pointer~0.base Int)) (let ((.cse0 (let ((.cse2 (store |c_#memory_int#1| c_~WrapperStruct00_var_1_1_Pointer~0.base (store (select |c_#memory_int#1| c_~WrapperStruct00_var_1_1_Pointer~0.base) c_~WrapperStruct00_var_1_1_Pointer~0.offset |c_ULTIMATE.start_step_#t~ite20#1|)))) (store .cse2 c_~WrapperStruct00_var_1_9_Pointer~0.base (store (select .cse2 c_~WrapperStruct00_var_1_9_Pointer~0.base) c_~WrapperStruct00_var_1_9_Pointer~0.offset (select (select .cse2 ~WrapperStruct00_var_1_6_Pointer~0.base) ~WrapperStruct00_var_1_6_Pointer~0.offset)))))) (or (not (= v_ArrVal_745 (store (select .cse0 c_~WrapperStruct00_var_1_11_Pointer~0.base) c_~WrapperStruct00_var_1_11_Pointer~0.offset (select v_ArrVal_745 c_~WrapperStruct00_var_1_11_Pointer~0.offset)))) (let ((.cse1 (store .cse0 c_~WrapperStruct00_var_1_11_Pointer~0.base v_ArrVal_745))) (= (mod (select (select .cse1 c_~WrapperStruct00_var_1_1_Pointer~0.base) c_~WrapperStruct00_var_1_1_Pointer~0.offset) 65536) (mod (select (select .cse1 c_~WrapperStruct00_var_1_5_Pointer~0.base) c_~WrapperStruct00_var_1_5_Pointer~0.offset) 65536)))))) is different from false [2023-11-29 01:11:01,224 INFO L349 Elim1Store]: treesize reduction 237, result has 37.3 percent of original size [2023-11-29 01:11:01,224 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 9 case distinctions, treesize of input 346 treesize of output 254 [2023-11-29 01:11:01,573 INFO L349 Elim1Store]: treesize reduction 16, result has 80.2 percent of original size [2023-11-29 01:11:01,574 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 3234 treesize of output 3240 [2023-11-29 01:11:01,943 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 6 [2023-11-29 01:11:02,546 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 1 [2023-11-29 01:11:02,818 INFO L349 Elim1Store]: treesize reduction 12, result has 62.5 percent of original size [2023-11-29 01:11:02,818 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 22 treesize of output 34 [2023-11-29 01:11:02,861 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 13 [2023-11-29 01:11:02,988 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 6 [2023-11-29 01:11:03,174 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 6 [2023-11-29 01:11:05,306 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 01:11:05,307 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 53 treesize of output 55 [2023-11-29 01:11:05,476 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 6 [2023-11-29 01:11:05,595 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 6 [2023-11-29 01:11:05,696 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 01:11:05,696 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 53 treesize of output 55 [2023-11-29 01:11:06,264 INFO L349 Elim1Store]: treesize reduction 12, result has 62.5 percent of original size [2023-11-29 01:11:06,265 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 22 treesize of output 34 [2023-11-29 01:11:06,316 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 01:11:06,317 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 22 treesize of output 26 [2023-11-29 01:11:06,741 INFO L349 Elim1Store]: treesize reduction 63, result has 38.2 percent of original size [2023-11-29 01:11:06,741 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 7 case distinctions, treesize of input 130 treesize of output 155 [2023-11-29 01:11:07,003 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 01:11:07,004 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 71 treesize of output 89 [2023-11-29 01:11:07,120 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:11:07,140 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 01:11:07,140 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 71 treesize of output 81 [2023-11-29 01:11:07,360 INFO L349 Elim1Store]: treesize reduction 8, result has 68.0 percent of original size [2023-11-29 01:11:07,361 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 83 treesize of output 89 [2023-11-29 01:11:08,091 INFO L349 Elim1Store]: treesize reduction 43, result has 31.7 percent of original size [2023-11-29 01:11:08,092 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 99 treesize of output 109 [2023-11-29 01:11:08,186 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 01:11:08,186 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 22 treesize of output 26 [2023-11-29 01:11:08,252 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 01:11:08,253 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 22 treesize of output 26 [2023-11-29 01:11:08,331 INFO L349 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2023-11-29 01:11:08,331 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 17 treesize of output 13 [2023-11-29 01:11:08,652 INFO L349 Elim1Store]: treesize reduction 17, result has 32.0 percent of original size [2023-11-29 01:11:08,653 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 69 treesize of output 67 [2023-11-29 01:11:09,018 INFO L349 Elim1Store]: treesize reduction 72, result has 29.4 percent of original size [2023-11-29 01:11:09,019 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 7 case distinctions, treesize of input 112 treesize of output 128 [2023-11-29 01:11:09,090 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 01:11:09,090 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 30 treesize of output 40 [2023-11-29 01:11:09,179 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:11:09,180 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:11:09,181 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 01:11:09,182 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 29 [2023-11-29 01:11:11,262 INFO L349 Elim1Store]: treesize reduction 24, result has 61.9 percent of original size [2023-11-29 01:11:11,263 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 153 treesize of output 173 [2023-11-29 01:11:11,635 INFO L349 Elim1Store]: treesize reduction 8, result has 68.0 percent of original size [2023-11-29 01:11:11,635 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 77 treesize of output 87 [2023-11-29 01:11:11,914 INFO L349 Elim1Store]: treesize reduction 8, result has 68.0 percent of original size [2023-11-29 01:11:11,914 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 68 treesize of output 78 [2023-11-29 01:11:12,361 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 01:11:12,361 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 91 treesize of output 89 [2023-11-29 01:11:13,143 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 6 [2023-11-29 01:11:13,370 INFO L349 Elim1Store]: treesize reduction 12, result has 62.5 percent of original size [2023-11-29 01:11:13,370 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 188 treesize of output 200 [2023-11-29 01:11:13,635 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 01:11:13,635 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 22 treesize of output 26 [2023-11-29 01:11:13,898 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 01:11:13,899 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 22 treesize of output 26 [2023-11-29 01:11:14,307 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 9 [2023-11-29 01:11:14,366 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 01:11:14,366 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 25 treesize of output 29 [2023-11-29 01:11:15,099 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 6 [2023-11-29 01:11:15,209 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 31 [2023-11-29 01:11:15,294 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 6 [2023-11-29 01:11:15,438 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 6 [2023-11-29 01:11:15,913 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:11:15,919 INFO L349 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2023-11-29 01:11:15,920 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 64 treesize of output 1 [2023-11-29 01:11:15,978 WARN L214 Elim1Store]: Array PQE input equivalent to true [2023-11-29 01:11:16,323 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:11:16,330 INFO L349 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2023-11-29 01:11:16,331 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 75 treesize of output 1 [2023-11-29 01:11:16,804 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:11:16,813 INFO L349 Elim1Store]: treesize reduction 16, result has 5.9 percent of original size [2023-11-29 01:11:16,813 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 195 treesize of output 1 [2023-11-29 01:11:17,317 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:11:17,324 INFO L349 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2023-11-29 01:11:17,324 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 75 treesize of output 1 [2023-11-29 01:11:17,848 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:11:17,858 INFO L349 Elim1Store]: treesize reduction 16, result has 5.9 percent of original size [2023-11-29 01:11:17,858 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 195 treesize of output 1 [2023-11-29 01:11:19,263 WARN L214 Elim1Store]: Array PQE input equivalent to true [2023-11-29 01:11:20,219 WARN L214 Elim1Store]: Array PQE input equivalent to true [2023-11-29 01:11:21,013 WARN L214 Elim1Store]: Array PQE input equivalent to true [2023-11-29 01:11:21,464 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:11:21,471 INFO L349 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2023-11-29 01:11:21,471 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 75 treesize of output 1 [2023-11-29 01:11:21,585 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:11:21,591 INFO L349 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2023-11-29 01:11:21,592 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 64 treesize of output 1 [2023-11-29 01:11:21,635 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:11:21,646 INFO L349 Elim1Store]: treesize reduction 16, result has 5.9 percent of original size [2023-11-29 01:11:21,647 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 145 treesize of output 1 [2023-11-29 01:11:22,238 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:11:22,246 INFO L349 Elim1Store]: treesize reduction 16, result has 5.9 percent of original size [2023-11-29 01:11:22,247 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 145 treesize of output 1 [2023-11-29 01:11:22,540 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:11:22,546 INFO L349 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2023-11-29 01:11:22,546 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 75 treesize of output 1 [2023-11-29 01:11:22,669 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:11:22,675 INFO L349 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2023-11-29 01:11:22,675 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 64 treesize of output 1 [2023-11-29 01:11:22,899 WARN L214 Elim1Store]: Array PQE input equivalent to true [2023-11-29 01:11:23,695 WARN L214 Elim1Store]: Array PQE input equivalent to true [2023-11-29 01:11:24,649 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:11:24,656 INFO L349 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2023-11-29 01:11:24,656 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 75 treesize of output 1 [2023-11-29 01:11:25,112 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:11:25,127 INFO L349 Elim1Store]: treesize reduction 16, result has 5.9 percent of original size [2023-11-29 01:11:25,127 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 195 treesize of output 1 [2023-11-29 01:11:25,457 WARN L214 Elim1Store]: Array PQE input equivalent to true [2023-11-29 01:11:25,521 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:11:25,528 INFO L349 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2023-11-29 01:11:25,528 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 64 treesize of output 1 [2023-11-29 01:11:25,583 WARN L214 Elim1Store]: Array PQE input equivalent to true [2023-11-29 01:11:26,713 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 6 [2023-11-29 01:11:26,808 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 31 [2023-11-29 01:11:27,378 INFO L349 Elim1Store]: treesize reduction 16, result has 5.9 percent of original size [2023-11-29 01:11:27,379 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 64 treesize of output 1 [2023-11-29 01:11:27,935 INFO L349 Elim1Store]: treesize reduction 24, result has 4.0 percent of original size [2023-11-29 01:11:27,935 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 184 treesize of output 1 [2023-11-29 01:11:28,178 WARN L214 Elim1Store]: Array PQE input equivalent to true [2023-11-29 01:11:28,541 WARN L214 Elim1Store]: Array PQE input equivalent to true [2023-11-29 01:11:28,586 WARN L214 Elim1Store]: Array PQE input equivalent to true [2023-11-29 01:11:28,673 WARN L214 Elim1Store]: Array PQE input equivalent to true [2023-11-29 01:11:29,229 INFO L349 Elim1Store]: treesize reduction 16, result has 5.9 percent of original size [2023-11-29 01:11:29,229 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 64 treesize of output 1 [2023-11-29 01:11:29,765 INFO L349 Elim1Store]: treesize reduction 24, result has 4.0 percent of original size [2023-11-29 01:11:29,766 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 184 treesize of output 1 [2023-11-29 01:11:30,022 WARN L214 Elim1Store]: Array PQE input equivalent to true [2023-11-29 01:11:30,428 WARN L214 Elim1Store]: Array PQE input equivalent to true [2023-11-29 01:11:30,475 WARN L214 Elim1Store]: Array PQE input equivalent to true [2023-11-29 01:11:30,578 WARN L214 Elim1Store]: Array PQE input equivalent to true [2023-11-29 01:11:35,809 WARN L214 Elim1Store]: Array PQE input equivalent to true [2023-11-29 01:11:37,457 WARN L214 Elim1Store]: Array PQE input equivalent to true [2023-11-29 01:11:38,050 WARN L214 Elim1Store]: Array PQE input equivalent to true [2023-11-29 01:11:38,228 WARN L214 Elim1Store]: Array PQE input equivalent to true [2023-11-29 01:11:38,291 WARN L214 Elim1Store]: Array PQE input equivalent to true [2023-11-29 01:11:38,343 WARN L214 Elim1Store]: Array PQE input equivalent to true [2023-11-29 01:11:38,546 WARN L214 Elim1Store]: Array PQE input equivalent to true [2023-11-29 01:11:38,971 INFO L349 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2023-11-29 01:11:38,972 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 45 treesize of output 1 [2023-11-29 01:11:39,115 WARN L214 Elim1Store]: Array PQE input equivalent to true [2023-11-29 01:11:39,373 INFO L349 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2023-11-29 01:11:39,374 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 61 treesize of output 1 [2023-11-29 01:11:39,423 WARN L214 Elim1Store]: Array PQE input equivalent to true [2023-11-29 01:11:39,962 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:11:39,969 INFO L349 Elim1Store]: treesize reduction 16, result has 5.9 percent of original size [2023-11-29 01:11:39,969 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 56 treesize of output 1 [2023-11-29 01:11:40,288 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:11:40,295 INFO L349 Elim1Store]: treesize reduction 16, result has 5.9 percent of original size [2023-11-29 01:11:40,296 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 56 treesize of output 1 [2023-11-29 01:11:40,602 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:11:40,608 INFO L349 Elim1Store]: treesize reduction 16, result has 5.9 percent of original size [2023-11-29 01:11:40,608 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 72 treesize of output 1 [2023-11-29 01:11:41,049 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:11:41,056 INFO L349 Elim1Store]: treesize reduction 16, result has 5.9 percent of original size [2023-11-29 01:11:41,056 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 67 treesize of output 1 [2023-11-29 01:11:41,698 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:11:41,705 INFO L349 Elim1Store]: treesize reduction 16, result has 5.9 percent of original size [2023-11-29 01:11:41,706 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 67 treesize of output 1 [2023-11-29 01:11:42,203 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:11:42,210 INFO L349 Elim1Store]: treesize reduction 16, result has 5.9 percent of original size [2023-11-29 01:11:42,210 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 103 treesize of output 1 [2023-11-29 01:11:42,476 WARN L214 Elim1Store]: Array PQE input equivalent to true [2023-11-29 01:11:42,844 WARN L214 Elim1Store]: Array PQE input equivalent to true [2023-11-29 01:11:43,292 WARN L214 Elim1Store]: Array PQE input equivalent to true [2023-11-29 01:11:50,038 WARN L214 Elim1Store]: Array PQE input equivalent to true [2023-11-29 01:11:50,267 WARN L214 Elim1Store]: Array PQE input equivalent to true [2023-11-29 01:11:52,995 WARN L214 Elim1Store]: Array PQE input equivalent to true [2023-11-29 01:11:53,029 WARN L214 Elim1Store]: Array PQE input equivalent to true [2023-11-29 01:11:53,322 WARN L214 Elim1Store]: Array PQE input equivalent to true [2023-11-29 01:12:15,096 WARN L214 Elim1Store]: Array PQE input equivalent to true [2023-11-29 01:12:15,141 INFO L349 Elim1Store]: treesize reduction 16, result has 5.9 percent of original size [2023-11-29 01:12:15,142 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 57 treesize of output 1 [2023-11-29 01:12:15,152 WARN L214 Elim1Store]: Array PQE input equivalent to true [2023-11-29 01:12:16,196 WARN L214 Elim1Store]: Array PQE input equivalent to true [2023-11-29 01:12:16,866 WARN L214 Elim1Store]: Array PQE input equivalent to true [2023-11-29 01:12:17,891 WARN L214 Elim1Store]: Array PQE input equivalent to true [2023-11-29 01:12:18,319 WARN L214 Elim1Store]: Array PQE input equivalent to true [2023-11-29 01:12:18,561 WARN L214 Elim1Store]: Array PQE input equivalent to true [2023-11-29 01:12:18,626 WARN L214 Elim1Store]: Array PQE input equivalent to true [2023-11-29 01:12:18,834 WARN L214 Elim1Store]: Array PQE input equivalent to true [2023-11-29 01:12:19,322 INFO L349 Elim1Store]: treesize reduction 24, result has 4.0 percent of original size [2023-11-29 01:12:19,322 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 80 treesize of output 1 [2023-11-29 01:12:19,770 WARN L214 Elim1Store]: Array PQE input equivalent to true [2023-11-29 01:12:19,880 WARN L214 Elim1Store]: Array PQE input equivalent to true [2023-11-29 01:12:20,053 WARN L214 Elim1Store]: Array PQE input equivalent to true [2023-11-29 01:12:20,232 WARN L214 Elim1Store]: Array PQE input equivalent to true [2023-11-29 01:12:20,281 INFO L349 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2023-11-29 01:12:20,282 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 69 treesize of output 1 [2023-11-29 01:12:20,619 WARN L214 Elim1Store]: Array PQE input equivalent to true [2023-11-29 01:12:20,692 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 40 [2023-11-29 01:12:21,164 WARN L214 Elim1Store]: Array PQE input equivalent to true [2023-11-29 01:12:21,245 WARN L214 Elim1Store]: Array PQE input equivalent to true [2023-11-29 01:12:21,254 WARN L214 Elim1Store]: Array PQE input equivalent to true [2023-11-29 01:12:21,612 WARN L214 Elim1Store]: Array PQE input equivalent to true [2023-11-29 01:12:22,119 WARN L214 Elim1Store]: Array PQE input equivalent to true [2023-11-29 01:12:22,640 WARN L214 Elim1Store]: Array PQE input equivalent to true [2023-11-29 01:12:22,840 INFO L349 Elim1Store]: treesize reduction 24, result has 4.0 percent of original size [2023-11-29 01:12:22,841 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 111 treesize of output 1 [2023-11-29 01:12:23,523 WARN L214 Elim1Store]: Array PQE input equivalent to true [2023-11-29 01:12:23,692 INFO L349 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2023-11-29 01:12:23,692 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 84 treesize of output 1 [2023-11-29 01:12:24,057 WARN L214 Elim1Store]: Array PQE input equivalent to true [2023-11-29 01:12:26,959 WARN L214 Elim1Store]: Array PQE input equivalent to true [2023-11-29 01:12:27,094 WARN L214 Elim1Store]: Array PQE input equivalent to true [2023-11-29 01:12:27,780 WARN L214 Elim1Store]: Array PQE input equivalent to true [2023-11-29 01:12:28,282 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:12:28,283 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 67 treesize of output 59 [2023-11-29 01:12:30,659 INFO L349 Elim1Store]: treesize reduction 24, result has 4.0 percent of original size [2023-11-29 01:12:30,659 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 80 treesize of output 1 [2023-11-29 01:12:31,384 INFO L349 Elim1Store]: treesize reduction 16, result has 5.9 percent of original size [2023-11-29 01:12:31,384 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 77 treesize of output 1 [2023-11-29 01:12:31,494 WARN L214 Elim1Store]: Array PQE input equivalent to true [2023-11-29 01:12:32,257 WARN L214 Elim1Store]: Array PQE input equivalent to true [2023-11-29 01:12:32,541 WARN L214 Elim1Store]: Array PQE input equivalent to true [2023-11-29 01:12:32,665 WARN L214 Elim1Store]: Array PQE input equivalent to true [2023-11-29 01:12:33,889 WARN L214 Elim1Store]: Array PQE input equivalent to true [2023-11-29 01:12:34,232 WARN L214 Elim1Store]: Array PQE input equivalent to true [2023-11-29 01:12:34,855 WARN L214 Elim1Store]: Array PQE input equivalent to true [2023-11-29 01:12:35,004 WARN L214 Elim1Store]: Array PQE input equivalent to true [2023-11-29 01:12:35,149 WARN L214 Elim1Store]: Array PQE input equivalent to true [2023-11-29 01:12:35,773 WARN L214 Elim1Store]: Array PQE input equivalent to true [2023-11-29 01:12:35,885 WARN L214 Elim1Store]: Array PQE input equivalent to true [2023-11-29 01:12:36,089 WARN L214 Elim1Store]: Array PQE input equivalent to true [2023-11-29 01:12:36,271 WARN L214 Elim1Store]: Array PQE input equivalent to true [2023-11-29 01:12:36,318 INFO L349 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2023-11-29 01:12:36,318 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 69 treesize of output 1 [2023-11-29 01:12:36,582 WARN L214 Elim1Store]: Array PQE input equivalent to true [2023-11-29 01:12:36,642 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 40 [2023-11-29 01:12:37,610 WARN L214 Elim1Store]: Array PQE input equivalent to true [2023-11-29 01:12:37,927 WARN L214 Elim1Store]: Array PQE input equivalent to true [2023-11-29 01:12:38,444 INFO L349 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2023-11-29 01:12:38,444 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 121 treesize of output 1 [2023-11-29 01:12:38,887 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 98 treesize of output 86 [2023-11-29 01:12:39,306 WARN L214 Elim1Store]: Array PQE input equivalent to true [2023-11-29 01:12:41,261 WARN L214 Elim1Store]: Array PQE input equivalent to true [2023-11-29 01:12:41,457 WARN L214 Elim1Store]: Array PQE input equivalent to true [2023-11-29 01:12:41,522 WARN L214 Elim1Store]: Array PQE input equivalent to true [2023-11-29 01:12:42,330 WARN L214 Elim1Store]: Array PQE input equivalent to true [2023-11-29 01:12:43,962 WARN L214 Elim1Store]: Array PQE input equivalent to true [2023-11-29 01:12:44,589 WARN L214 Elim1Store]: Array PQE input equivalent to true [2023-11-29 01:12:45,910 INFO L349 Elim1Store]: treesize reduction 24, result has 4.0 percent of original size [2023-11-29 01:12:45,910 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 132 treesize of output 1 [2023-11-29 01:12:46,328 INFO L349 Elim1Store]: treesize reduction 16, result has 5.9 percent of original size [2023-11-29 01:12:46,329 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 109 treesize of output 1 [2023-11-29 01:12:46,366 WARN L214 Elim1Store]: Array PQE input equivalent to true [2023-11-29 01:12:47,094 WARN L214 Elim1Store]: Array PQE input equivalent to true [2023-11-29 01:12:47,820 WARN L214 Elim1Store]: Array PQE input equivalent to true [2023-11-29 01:12:52,132 WARN L214 Elim1Store]: Array PQE input equivalent to true [2023-11-29 01:12:52,613 WARN L214 Elim1Store]: Array PQE input equivalent to true [2023-11-29 01:12:56,120 WARN L214 Elim1Store]: Array PQE input equivalent to true [2023-11-29 01:12:56,184 INFO L349 Elim1Store]: treesize reduction 16, result has 5.9 percent of original size [2023-11-29 01:12:56,184 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 177 treesize of output 1 [2023-11-29 01:12:58,087 INFO L349 Elim1Store]: treesize reduction 24, result has 4.0 percent of original size [2023-11-29 01:12:58,087 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 102 treesize of output 1 [2023-11-29 01:12:58,145 INFO L349 Elim1Store]: treesize reduction 24, result has 4.0 percent of original size [2023-11-29 01:12:58,146 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 170 treesize of output 1 [2023-11-29 01:12:58,390 WARN L214 Elim1Store]: Array PQE input equivalent to true [2023-11-29 01:12:59,614 INFO L349 Elim1Store]: treesize reduction 24, result has 4.0 percent of original size [2023-11-29 01:12:59,614 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 102 treesize of output 1 [2023-11-29 01:13:00,432 INFO L349 Elim1Store]: treesize reduction 16, result has 5.9 percent of original size [2023-11-29 01:13:00,433 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 79 treesize of output 1 [2023-11-29 01:13:03,452 WARN L214 Elim1Store]: Array PQE input equivalent to true [2023-11-29 01:13:03,835 WARN L214 Elim1Store]: Array PQE input equivalent to true [2023-11-29 01:13:04,324 WARN L214 Elim1Store]: Array PQE input equivalent to true [2023-11-29 01:13:04,859 WARN L214 Elim1Store]: Array PQE input equivalent to true [2023-11-29 01:13:06,239 WARN L214 Elim1Store]: Array PQE input equivalent to true [2023-11-29 01:13:06,703 WARN L214 Elim1Store]: Array PQE input equivalent to true [2023-11-29 01:13:07,460 WARN L214 Elim1Store]: Array PQE input equivalent to true [2023-11-29 01:13:07,474 WARN L214 Elim1Store]: Array PQE input equivalent to true [2023-11-29 01:13:07,514 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:13:07,522 INFO L349 Elim1Store]: treesize reduction 16, result has 5.9 percent of original size [2023-11-29 01:13:07,522 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 120 treesize of output 1 [2023-11-29 01:13:10,330 INFO L349 Elim1Store]: treesize reduction 24, result has 4.0 percent of original size [2023-11-29 01:13:10,330 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 133 treesize of output 1 [2023-11-29 01:13:12,132 WARN L214 Elim1Store]: Array PQE input equivalent to true [2023-11-29 01:13:12,406 WARN L214 Elim1Store]: Array PQE input equivalent to true [2023-11-29 01:13:13,129 WARN L214 Elim1Store]: Array PQE input equivalent to true [2023-11-29 01:13:13,262 WARN L214 Elim1Store]: Array PQE input equivalent to true [2023-11-29 01:13:13,439 WARN L214 Elim1Store]: Array PQE input equivalent to true [2023-11-29 01:13:15,785 WARN L214 Elim1Store]: Array PQE input equivalent to true [2023-11-29 01:13:16,627 INFO L349 Elim1Store]: treesize reduction 24, result has 4.0 percent of original size [2023-11-29 01:13:16,628 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 106 treesize of output 1 [2023-11-29 01:13:17,466 INFO L349 Elim1Store]: treesize reduction 24, result has 4.0 percent of original size [2023-11-29 01:13:17,466 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 133 treesize of output 1 [2023-11-29 01:13:19,690 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:13:19,697 INFO L349 Elim1Store]: treesize reduction 16, result has 5.9 percent of original size [2023-11-29 01:13:19,698 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 109 treesize of output 1 [2023-11-29 01:13:20,718 WARN L214 Elim1Store]: Array PQE input equivalent to true [2023-11-29 01:13:21,338 WARN L214 Elim1Store]: Array PQE input equivalent to true [2023-11-29 01:13:21,896 WARN L214 Elim1Store]: Array PQE input equivalent to true [2023-11-29 01:13:23,412 WARN L214 Elim1Store]: Array PQE input equivalent to true [2023-11-29 01:13:23,853 WARN L214 Elim1Store]: Array PQE input equivalent to true [2023-11-29 01:13:24,640 WARN L214 Elim1Store]: Array PQE input equivalent to true [2023-11-29 01:13:25,653 INFO L349 Elim1Store]: treesize reduction 24, result has 4.0 percent of original size [2023-11-29 01:13:25,654 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 102 treesize of output 1 [2023-11-29 01:13:26,529 INFO L349 Elim1Store]: treesize reduction 16, result has 5.9 percent of original size [2023-11-29 01:13:26,530 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 79 treesize of output 1 [2023-11-29 01:13:29,120 WARN L214 Elim1Store]: Array PQE input equivalent to true [2023-11-29 01:13:29,576 INFO L349 Elim1Store]: treesize reduction 24, result has 4.0 percent of original size [2023-11-29 01:13:29,576 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 91 treesize of output 1 [2023-11-29 01:13:29,759 INFO L349 Elim1Store]: treesize reduction 16, result has 5.9 percent of original size [2023-11-29 01:13:29,760 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 68 treesize of output 1 [2023-11-29 01:13:30,455 WARN L214 Elim1Store]: Array PQE input equivalent to true [2023-11-29 01:13:32,369 WARN L214 Elim1Store]: Array PQE input equivalent to true [2023-11-29 01:13:33,672 WARN L214 Elim1Store]: Array PQE input equivalent to true [2023-11-29 01:13:35,569 WARN L214 Elim1Store]: Array PQE input equivalent to true [2023-11-29 01:13:38,150 WARN L214 Elim1Store]: Array PQE input equivalent to true [2023-11-29 01:13:38,842 WARN L214 Elim1Store]: Array PQE input equivalent to true [2023-11-29 01:13:39,145 WARN L214 Elim1Store]: Array PQE input equivalent to true [2023-11-29 01:13:48,086 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:13:48,093 INFO L349 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2023-11-29 01:13:48,094 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 90 treesize of output 1 [2023-11-29 01:13:48,614 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:13:48,622 INFO L349 Elim1Store]: treesize reduction 16, result has 5.9 percent of original size [2023-11-29 01:13:48,623 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 113 treesize of output 1 [2023-11-29 01:13:48,914 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:13:48,922 INFO L349 Elim1Store]: treesize reduction 16, result has 5.9 percent of original size [2023-11-29 01:13:48,923 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 102 treesize of output 1 [2023-11-29 01:13:49,141 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:13:49,148 INFO L349 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2023-11-29 01:13:49,148 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 79 treesize of output 1 [2023-11-29 01:13:50,188 WARN L214 Elim1Store]: Array PQE input equivalent to true [2023-11-29 01:13:50,872 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:13:50,878 INFO L349 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2023-11-29 01:13:50,879 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 68 treesize of output 1 [2023-11-29 01:13:51,303 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:13:51,311 INFO L349 Elim1Store]: treesize reduction 16, result has 5.9 percent of original size [2023-11-29 01:13:51,312 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 91 treesize of output 1 [2023-11-29 01:13:53,050 INFO L349 Elim1Store]: treesize reduction 16, result has 5.9 percent of original size [2023-11-29 01:13:53,050 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 68 treesize of output 1 [2023-11-29 01:13:53,767 INFO L349 Elim1Store]: treesize reduction 24, result has 4.0 percent of original size [2023-11-29 01:13:53,767 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 91 treesize of output 1 [2023-11-29 01:13:56,179 WARN L214 Elim1Store]: Array PQE input equivalent to true [2023-11-29 01:13:59,017 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:13:59,022 INFO L349 Elim1Store]: treesize reduction 16, result has 5.9 percent of original size [2023-11-29 01:13:59,023 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 109 treesize of output 1 [2023-11-29 01:13:59,980 INFO L349 Elim1Store]: treesize reduction 24, result has 4.0 percent of original size [2023-11-29 01:13:59,980 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 122 treesize of output 1 [2023-11-29 01:14:00,085 WARN L214 Elim1Store]: Array PQE input equivalent to true [2023-11-29 01:14:00,295 WARN L214 Elim1Store]: Array PQE input equivalent to true [2023-11-29 01:14:01,002 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:14:01,010 INFO L349 Elim1Store]: treesize reduction 16, result has 5.9 percent of original size [2023-11-29 01:14:01,011 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 67 treesize of output 1 [2023-11-29 01:14:03,379 WARN L214 Elim1Store]: Array PQE input equivalent to true [2023-11-29 01:14:04,391 WARN L214 Elim1Store]: Array PQE input equivalent to true [2023-11-29 01:14:04,647 WARN L214 Elim1Store]: Array PQE input equivalent to true [2023-11-29 01:14:05,296 WARN L214 Elim1Store]: Array PQE input equivalent to true [2023-11-29 01:14:06,281 WARN L214 Elim1Store]: Array PQE input equivalent to true [2023-11-29 01:14:07,543 WARN L214 Elim1Store]: Array PQE input equivalent to true [2023-11-29 01:14:07,977 WARN L214 Elim1Store]: Array PQE input equivalent to true [2023-11-29 01:14:08,196 WARN L214 Elim1Store]: Array PQE input equivalent to true [2023-11-29 01:14:08,600 WARN L214 Elim1Store]: Array PQE input equivalent to true [2023-11-29 01:14:10,242 WARN L214 Elim1Store]: Array PQE input equivalent to true [2023-11-29 01:14:11,061 WARN L214 Elim1Store]: Array PQE input equivalent to true [2023-11-29 01:14:11,830 WARN L214 Elim1Store]: Array PQE input equivalent to true [2023-11-29 01:14:12,181 WARN L214 Elim1Store]: Array PQE input equivalent to true [2023-11-29 01:14:12,685 WARN L214 Elim1Store]: Array PQE input equivalent to true [2023-11-29 01:14:13,102 WARN L214 Elim1Store]: Array PQE input equivalent to true [2023-11-29 01:14:13,767 WARN L214 Elim1Store]: Array PQE input equivalent to true [2023-11-29 01:14:15,154 WARN L214 Elim1Store]: Array PQE input equivalent to true [2023-11-29 01:14:15,508 WARN L214 Elim1Store]: Array PQE input equivalent to true [2023-11-29 01:14:16,300 WARN L214 Elim1Store]: Array PQE input equivalent to true [2023-11-29 01:14:16,980 WARN L214 Elim1Store]: Array PQE input equivalent to true [2023-11-29 01:14:17,454 WARN L214 Elim1Store]: Array PQE input equivalent to true [2023-11-29 01:14:19,184 WARN L214 Elim1Store]: Array PQE input equivalent to true [2023-11-29 01:14:23,751 WARN L214 Elim1Store]: Array PQE input equivalent to true [2023-11-29 01:14:24,656 WARN L214 Elim1Store]: Array PQE input equivalent to true [2023-11-29 01:14:25,509 WARN L214 Elim1Store]: Array PQE input equivalent to true [2023-11-29 01:14:25,595 WARN L214 Elim1Store]: Array PQE input equivalent to true [2023-11-29 01:14:25,866 WARN L214 Elim1Store]: Array PQE input equivalent to true [2023-11-29 01:14:26,318 WARN L214 Elim1Store]: Array PQE input equivalent to true [2023-11-29 01:14:26,802 WARN L214 Elim1Store]: Array PQE input equivalent to true [2023-11-29 01:14:26,891 WARN L214 Elim1Store]: Array PQE input equivalent to true [2023-11-29 01:14:27,023 WARN L214 Elim1Store]: Array PQE input equivalent to true [2023-11-29 01:14:27,794 WARN L214 Elim1Store]: Array PQE input equivalent to true [2023-11-29 01:14:28,003 WARN L214 Elim1Store]: Array PQE input equivalent to true [2023-11-29 01:14:28,144 WARN L214 Elim1Store]: Array PQE input equivalent to true [2023-11-29 01:14:28,274 WARN L214 Elim1Store]: Array PQE input equivalent to true [2023-11-29 01:14:29,917 WARN L214 Elim1Store]: Array PQE input equivalent to true [2023-11-29 01:14:30,320 WARN L214 Elim1Store]: Array PQE input equivalent to true [2023-11-29 01:14:32,427 WARN L214 Elim1Store]: Array PQE input equivalent to true [2023-11-29 01:14:32,991 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:14:32,998 INFO L349 Elim1Store]: treesize reduction 16, result has 5.9 percent of original size [2023-11-29 01:14:32,998 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 72 treesize of output 1 [2023-11-29 01:14:35,301 WARN L214 Elim1Store]: Array PQE input equivalent to true [2023-11-29 01:14:36,003 WARN L214 Elim1Store]: Array PQE input equivalent to true [2023-11-29 01:14:43,041 INFO L349 Elim1Store]: treesize reduction 24, result has 4.0 percent of original size [2023-11-29 01:14:43,041 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 91 treesize of output 1 [2023-11-29 01:14:43,515 INFO L349 Elim1Store]: treesize reduction 16, result has 5.9 percent of original size [2023-11-29 01:14:43,515 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 68 treesize of output 1 [2023-11-29 01:14:45,211 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:14:45,219 INFO L349 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2023-11-29 01:14:45,219 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 68 treesize of output 1 [2023-11-29 01:14:45,681 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:14:45,687 INFO L349 Elim1Store]: treesize reduction 16, result has 5.9 percent of original size [2023-11-29 01:14:45,688 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 91 treesize of output 1 [2023-11-29 01:14:50,725 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:14:50,732 INFO L349 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2023-11-29 01:14:50,733 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 90 treesize of output 1 [2023-11-29 01:14:51,237 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:14:51,245 INFO L349 Elim1Store]: treesize reduction 16, result has 5.9 percent of original size [2023-11-29 01:14:51,245 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 113 treesize of output 1 [2023-11-29 01:14:51,559 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:14:51,567 INFO L349 Elim1Store]: treesize reduction 16, result has 5.9 percent of original size [2023-11-29 01:14:51,567 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 102 treesize of output 1 [2023-11-29 01:14:51,758 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:14:51,764 INFO L349 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2023-11-29 01:14:51,764 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 79 treesize of output 1 [2023-11-29 01:14:52,837 WARN L214 Elim1Store]: Array PQE input equivalent to true [2023-11-29 01:14:53,877 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:14:53,887 INFO L349 Elim1Store]: treesize reduction 16, result has 5.9 percent of original size [2023-11-29 01:14:53,888 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 102 treesize of output 1 [2023-11-29 01:14:54,949 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:14:54,956 INFO L349 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2023-11-29 01:14:54,956 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 79 treesize of output 1 [2023-11-29 01:14:57,103 WARN L214 Elim1Store]: Array PQE input equivalent to true [2023-11-29 01:15:06,657 INFO L349 Elim1Store]: treesize reduction 24, result has 4.0 percent of original size [2023-11-29 01:15:06,658 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 159 treesize of output 1 [2023-11-29 01:15:06,829 INFO L349 Elim1Store]: treesize reduction 24, result has 4.0 percent of original size [2023-11-29 01:15:06,829 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 170 treesize of output 1 [2023-11-29 01:15:07,919 WARN L214 Elim1Store]: Array PQE input equivalent to true [2023-11-29 01:15:08,092 WARN L214 Elim1Store]: Array PQE input equivalent to true [2023-11-29 01:15:08,263 WARN L214 Elim1Store]: Array PQE input equivalent to true [2023-11-29 01:15:08,804 INFO L349 Elim1Store]: treesize reduction 24, result has 4.0 percent of original size [2023-11-29 01:15:08,804 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 133 treesize of output 1 [2023-11-29 01:15:09,229 WARN L214 Elim1Store]: Array PQE input equivalent to true [2023-11-29 01:15:10,186 WARN L214 Elim1Store]: Array PQE input equivalent to true [2023-11-29 01:15:10,198 WARN L214 Elim1Store]: Array PQE input equivalent to true [2023-11-29 01:15:10,408 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:15:10,414 INFO L349 Elim1Store]: treesize reduction 16, result has 5.9 percent of original size [2023-11-29 01:15:10,414 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 173 treesize of output 1 [2023-11-29 01:15:11,932 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:15:11,938 INFO L349 Elim1Store]: treesize reduction 16, result has 5.9 percent of original size [2023-11-29 01:15:11,939 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 136 treesize of output 1 [2023-11-29 01:15:13,308 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:15:13,314 INFO L349 Elim1Store]: treesize reduction 16, result has 5.9 percent of original size [2023-11-29 01:15:13,314 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 142 treesize of output 1 [2023-11-29 01:15:19,619 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:15:19,630 INFO L349 Elim1Store]: treesize reduction 16, result has 5.9 percent of original size [2023-11-29 01:15:19,631 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 78 treesize of output 1 [2023-11-29 01:15:36,230 WARN L214 Elim1Store]: Array PQE input equivalent to true [2023-11-29 01:15:37,674 WARN L214 Elim1Store]: Array PQE input equivalent to true [2023-11-29 01:15:37,833 WARN L214 Elim1Store]: Array PQE input equivalent to true [2023-11-29 01:15:41,007 WARN L214 Elim1Store]: Array PQE input equivalent to true [2023-11-29 01:15:56,840 WARN L214 Elim1Store]: Array PQE input equivalent to true [2023-11-29 01:15:59,603 WARN L214 Elim1Store]: Array PQE input equivalent to true [2023-11-29 01:16:02,481 WARN L214 Elim1Store]: Array PQE input equivalent to true [2023-11-29 01:16:02,888 WARN L214 Elim1Store]: Array PQE input equivalent to true [2023-11-29 01:16:03,576 INFO L349 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2023-11-29 01:16:03,577 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 121 treesize of output 1 [2023-11-29 01:16:04,092 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 98 treesize of output 86 [2023-11-29 01:16:04,307 WARN L214 Elim1Store]: Array PQE input equivalent to true [2023-11-29 01:16:04,656 INFO L349 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2023-11-29 01:16:04,657 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 61 treesize of output 1 [2023-11-29 01:16:04,782 WARN L214 Elim1Store]: Array PQE input equivalent to true [2023-11-29 01:16:04,880 WARN L214 Elim1Store]: Array PQE input equivalent to true [2023-11-29 01:16:06,106 WARN L214 Elim1Store]: Array PQE input equivalent to true [2023-11-29 01:16:06,141 INFO L349 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2023-11-29 01:16:06,141 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 69 treesize of output 1 [2023-11-29 01:16:06,438 WARN L214 Elim1Store]: Array PQE input equivalent to true [2023-11-29 01:16:06,512 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 40 [2023-11-29 01:16:07,106 INFO L349 Elim1Store]: treesize reduction 24, result has 4.0 percent of original size [2023-11-29 01:16:07,107 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 80 treesize of output 1 [2023-11-29 01:16:07,859 INFO L349 Elim1Store]: treesize reduction 16, result has 5.9 percent of original size [2023-11-29 01:16:07,859 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 77 treesize of output 1 [2023-11-29 01:16:07,995 WARN L214 Elim1Store]: Array PQE input equivalent to true [2023-11-29 01:16:08,657 WARN L214 Elim1Store]: Array PQE input equivalent to true [2023-11-29 01:16:08,698 WARN L214 Elim1Store]: Array PQE input equivalent to true [2023-11-29 01:16:09,398 WARN L214 Elim1Store]: Array PQE input equivalent to true [2023-11-29 01:16:10,855 WARN L214 Elim1Store]: Array PQE input equivalent to true [2023-11-29 01:16:11,165 WARN L214 Elim1Store]: Array PQE input equivalent to true [2023-11-29 01:16:11,670 WARN L214 Elim1Store]: Array PQE input equivalent to true [2023-11-29 01:16:11,835 WARN L214 Elim1Store]: Array PQE input equivalent to true [2023-11-29 01:16:14,218 WARN L214 Elim1Store]: Array PQE input equivalent to true [2023-11-29 01:16:14,469 WARN L214 Elim1Store]: Array PQE input equivalent to true [2023-11-29 01:16:14,767 WARN L214 Elim1Store]: Array PQE input equivalent to true [2023-11-29 01:16:14,912 WARN L214 Elim1Store]: Array PQE input equivalent to true [2023-11-29 01:16:15,361 WARN L214 Elim1Store]: Array PQE input equivalent to true [2023-11-29 01:16:18,087 WARN L214 Elim1Store]: Array PQE input equivalent to true [2023-11-29 01:16:18,217 WARN L214 Elim1Store]: Array PQE input equivalent to true [2023-11-29 01:16:18,432 WARN L214 Elim1Store]: Array PQE input equivalent to true [2023-11-29 01:16:19,378 WARN L214 Elim1Store]: Array PQE input equivalent to true [2023-11-29 01:16:19,475 WARN L214 Elim1Store]: Array PQE input equivalent to true [2023-11-29 01:16:20,231 WARN L214 Elim1Store]: Array PQE input equivalent to true [2023-11-29 01:16:21,025 WARN L214 Elim1Store]: Array PQE input equivalent to true [2023-11-29 01:16:22,443 WARN L214 Elim1Store]: Array PQE input equivalent to true [2023-11-29 01:16:22,703 WARN L214 Elim1Store]: Array PQE input equivalent to true [2023-11-29 01:16:22,867 WARN L214 Elim1Store]: Array PQE input equivalent to true [2023-11-29 01:16:23,527 WARN L214 Elim1Store]: Array PQE input equivalent to true [2023-11-29 01:16:25,940 WARN L214 Elim1Store]: Array PQE input equivalent to true [2023-11-29 01:16:26,097 WARN L214 Elim1Store]: Array PQE input equivalent to true [2023-11-29 01:16:26,712 WARN L214 Elim1Store]: Array PQE input equivalent to true [2023-11-29 01:16:27,416 WARN L214 Elim1Store]: Array PQE input equivalent to true [2023-11-29 01:16:27,576 WARN L214 Elim1Store]: Array PQE input equivalent to true [2023-11-29 01:16:27,838 WARN L214 Elim1Store]: Array PQE input equivalent to true [2023-11-29 01:16:28,101 WARN L214 Elim1Store]: Array PQE input equivalent to true [2023-11-29 01:16:28,156 INFO L349 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2023-11-29 01:16:28,157 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 69 treesize of output 1 [2023-11-29 01:16:28,523 WARN L214 Elim1Store]: Array PQE input equivalent to true [2023-11-29 01:16:28,608 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 40 [2023-11-29 01:16:30,588 WARN L214 Elim1Store]: Array PQE input equivalent to true [2023-11-29 01:16:31,463 WARN L214 Elim1Store]: Array PQE input equivalent to true [2023-11-29 01:16:32,214 WARN L214 Elim1Store]: Array PQE input equivalent to true [2023-11-29 01:16:32,551 WARN L214 Elim1Store]: Array PQE input equivalent to true [2023-11-29 01:16:32,649 WARN L214 Elim1Store]: Array PQE input equivalent to true [2023-11-29 01:16:32,986 WARN L214 Elim1Store]: Array PQE input equivalent to true [2023-11-29 01:16:33,036 INFO L349 Elim1Store]: treesize reduction 16, result has 5.9 percent of original size [2023-11-29 01:16:33,037 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 57 treesize of output 1 [2023-11-29 01:16:33,049 WARN L214 Elim1Store]: Array PQE input equivalent to true [2023-11-29 01:16:34,524 INFO L349 Elim1Store]: treesize reduction 24, result has 4.0 percent of original size [2023-11-29 01:16:34,524 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 80 treesize of output 1 [2023-11-29 01:16:35,219 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:16:35,231 INFO L349 Elim1Store]: treesize reduction 16, result has 5.9 percent of original size [2023-11-29 01:16:35,231 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 91 treesize of output 1 [2023-11-29 01:16:35,509 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:16:35,518 INFO L349 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2023-11-29 01:16:35,518 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 68 treesize of output 1 [2023-11-29 01:16:36,710 WARN L214 Elim1Store]: Array PQE input equivalent to true [2023-11-29 01:16:37,588 WARN L214 Elim1Store]: Array PQE input equivalent to true [2023-11-29 01:16:38,936 WARN L214 Elim1Store]: Array PQE input equivalent to true [2023-11-29 01:16:39,592 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:16:39,600 INFO L349 Elim1Store]: treesize reduction 16, result has 5.9 percent of original size [2023-11-29 01:16:39,600 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 102 treesize of output 1 [2023-11-29 01:16:40,451 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:16:40,459 INFO L349 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2023-11-29 01:16:40,459 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 79 treesize of output 1 [2023-11-29 01:16:40,532 WARN L214 Elim1Store]: Array PQE input equivalent to true [2023-11-29 01:16:41,261 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:16:41,272 INFO L349 Elim1Store]: treesize reduction 16, result has 5.9 percent of original size [2023-11-29 01:16:41,272 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 80 treesize of output 1 [2023-11-29 01:16:41,492 WARN L214 Elim1Store]: Array PQE input equivalent to true [2023-11-29 01:16:41,535 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:16:41,542 INFO L349 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2023-11-29 01:16:41,542 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 57 treesize of output 1 [2023-11-29 01:16:41,554 WARN L214 Elim1Store]: Array PQE input equivalent to true [2023-11-29 01:16:41,853 WARN L214 Elim1Store]: Array PQE input equivalent to true [2023-11-29 01:16:41,948 WARN L214 Elim1Store]: Array PQE input equivalent to true [2023-11-29 01:16:42,122 WARN L214 Elim1Store]: Array PQE input equivalent to true [2023-11-29 01:16:42,345 WARN L214 Elim1Store]: Array PQE input equivalent to true [2023-11-29 01:16:43,329 WARN L214 Elim1Store]: Array PQE input equivalent to true [2023-11-29 01:16:43,531 INFO L349 Elim1Store]: treesize reduction 24, result has 4.0 percent of original size [2023-11-29 01:16:43,531 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 111 treesize of output 1 [2023-11-29 01:16:44,124 WARN L214 Elim1Store]: Array PQE input equivalent to true [2023-11-29 01:16:44,273 INFO L349 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2023-11-29 01:16:44,273 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 84 treesize of output 1 [2023-11-29 01:16:44,681 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:16:44,681 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 67 treesize of output 59 [2023-11-29 01:16:46,558 WARN L214 Elim1Store]: Array PQE input equivalent to true [2023-11-29 01:16:46,747 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:16:46,754 INFO L349 Elim1Store]: treesize reduction 16, result has 5.9 percent of original size [2023-11-29 01:16:46,754 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 56 treesize of output 1 [2023-11-29 01:16:48,114 WARN L214 Elim1Store]: Array PQE input equivalent to true [2023-11-29 01:16:48,306 INFO L349 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2023-11-29 01:16:48,306 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 45 treesize of output 1 [2023-11-29 01:16:48,504 WARN L214 Elim1Store]: Array PQE input equivalent to true [2023-11-29 01:16:48,514 WARN L214 Elim1Store]: Array PQE input equivalent to true [2023-11-29 01:16:48,603 WARN L214 Elim1Store]: Array PQE input equivalent to true [2023-11-29 01:16:48,941 WARN L214 Elim1Store]: Array PQE input equivalent to true [2023-11-29 01:16:49,955 WARN L214 Elim1Store]: Array PQE input equivalent to true [2023-11-29 01:16:52,383 WARN L214 Elim1Store]: Array PQE input equivalent to true [2023-11-29 01:16:53,142 WARN L214 Elim1Store]: Array PQE input equivalent to true [2023-11-29 01:16:53,400 WARN L214 Elim1Store]: Array PQE input equivalent to true [2023-11-29 01:16:53,835 WARN L214 Elim1Store]: Array PQE input equivalent to true [2023-11-29 01:16:54,517 WARN L214 Elim1Store]: Array PQE input equivalent to true [2023-11-29 01:16:54,923 WARN L214 Elim1Store]: Array PQE input equivalent to true [2023-11-29 01:16:55,312 WARN L214 Elim1Store]: Array PQE input equivalent to true [2023-11-29 01:16:55,774 WARN L214 Elim1Store]: Array PQE input equivalent to true [2023-11-29 01:16:56,918 WARN L214 Elim1Store]: Array PQE input equivalent to true [2023-11-29 01:16:57,444 WARN L214 Elim1Store]: Array PQE input equivalent to true [2023-11-29 01:16:59,104 WARN L214 Elim1Store]: Array PQE input equivalent to true [2023-11-29 01:17:00,022 WARN L214 Elim1Store]: Array PQE input equivalent to true [2023-11-29 01:17:00,825 WARN L214 Elim1Store]: Array PQE input equivalent to true [2023-11-29 01:17:01,193 WARN L214 Elim1Store]: Array PQE input equivalent to true [2023-11-29 01:17:01,312 WARN L214 Elim1Store]: Array PQE input equivalent to true [2023-11-29 01:17:02,089 WARN L214 Elim1Store]: Array PQE input equivalent to true [2023-11-29 01:17:02,183 WARN L214 Elim1Store]: Array PQE input equivalent to true [2023-11-29 01:17:02,216 WARN L214 Elim1Store]: Array PQE input equivalent to true [2023-11-29 01:17:04,050 WARN L214 Elim1Store]: Array PQE input equivalent to true [2023-11-29 01:17:05,882 WARN L214 Elim1Store]: Array PQE input equivalent to true [2023-11-29 01:17:05,996 WARN L214 Elim1Store]: Array PQE input equivalent to true [2023-11-29 01:19:56,652 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_180aebae-ea4f-4c58-aaa1-7f80ce9d0d14/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 101 [2023-11-29 01:19:56,652 WARN L249 Executor]: External (MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_180aebae-ea4f-4c58-aaa1-7f80ce9d0d14/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1) with exit command (exit)) stderr output: (error "out of memory") [2023-11-29 01:19:56,653 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 01:19:56,653 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1807250827] [2023-11-29 01:19:56,653 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-29 01:19:56,653 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [221705524] [2023-11-29 01:19:56,653 WARN L320 FreeRefinementEngine]: Global settings require throwing the following exception [2023-11-29 01:19:56,658 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_180aebae-ea4f-4c58-aaa1-7f80ce9d0d14/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2023-11-29 01:19:56,853 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_180aebae-ea4f-4c58-aaa1-7f80ce9d0d14/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 01:19:56,854 FATAL L? ?]: An unrecoverable error occured during an interaction with an SMT solver: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: External (MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_180aebae-ea4f-4c58-aaa1-7f80ce9d0d14/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1) with exit command (exit)) Received EOF on stdin. stderr output: (error "out of memory") at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:262) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parseSuccess(Executor.java:277) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Scriptor.assertTerm(Scriptor.java:147) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.arrays.DiffWrapperScript.assertTerm(DiffWrapperScript.java:111) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.assertTerm(WrapperScript.java:158) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.SimplifyDDA2.simplify(SimplifyDDA2.java:495) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.SmtUtils.simplify(SmtUtils.java:252) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.SmtUtils.simplifyWithStatistics(SmtUtils.java:324) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify(QuantifierPusher.java:731) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushTermWalker.convert(QuantifierPushTermWalker.java:133) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushTermWalker.convert(QuantifierPushTermWalker.java:1) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.TermContextTransformationEngine$ApplicationTermTask.doStep(TermContextTransformationEngine.java:209) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.TermContextTransformationEngine.transform(TermContextTransformationEngine.java:100) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.TermContextTransformationEngine.transform(TermContextTransformationEngine.java:84) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushTermWalker.eliminate(QuantifierPushTermWalker.java:297) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.pushInner(QuantifierPusher.java:275) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushTermWalker.convert(QuantifierPushTermWalker.java:194) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushTermWalker.convert(QuantifierPushTermWalker.java:1) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.TermContextTransformationEngine$ApplicationTermTask.doStep(TermContextTransformationEngine.java:209) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.TermContextTransformationEngine.transform(TermContextTransformationEngine.java:100) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.TermContextTransformationEngine.transform(TermContextTransformationEngine.java:84) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushTermWalker.eliminate(QuantifierPushTermWalker.java:297) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushUtilsForSubsetPush.pushMinionEliminatees(QuantifierPushUtilsForSubsetPush.java:255) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushUtilsForSubsetPush.sequentialSubsetPush(QuantifierPushUtilsForSubsetPush.java:151) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.tryToPushOverDualFiniteConnective(QuantifierPusher.java:338) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushTermWalker.convert(QuantifierPushTermWalker.java:189) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushTermWalker.convert(QuantifierPushTermWalker.java:1) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.TermContextTransformationEngine$ApplicationTermTask.doStep(TermContextTransformationEngine.java:209) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.TermContextTransformationEngine.transform(TermContextTransformationEngine.java:100) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.TermContextTransformationEngine.transform(TermContextTransformationEngine.java:84) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushTermWalker.eliminate(QuantifierPushTermWalker.java:297) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushUtilsForSubsetPush.pushMinionEliminatees(QuantifierPushUtilsForSubsetPush.java:255) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushUtilsForSubsetPush.sequentialSubsetPush(QuantifierPushUtilsForSubsetPush.java:151) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.tryToPushOverDualFiniteConnective(QuantifierPusher.java:338) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushTermWalker.convert(QuantifierPushTermWalker.java:189) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushTermWalker.convert(QuantifierPushTermWalker.java:1) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.TermContextTransformationEngine.transform(TermContextTransformationEngine.java:88) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.TermContextTransformationEngine.transform(TermContextTransformationEngine.java:84) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushTermWalker.eliminate(QuantifierPushTermWalker.java:297) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushTermWalker.eliminate(QuantifierPushTermWalker.java:283) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.PartialQuantifierElimination.eliminate(PartialQuantifierElimination.java:51) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer$QuantifierEliminationPostprocessor.postprocess(IterativePredicateTransformer.java:238) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer.applyPostprocessors(IterativePredicateTransformer.java:420) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer.computeBackwardSequence(IterativePredicateTransformer.java:399) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer.computeWeakestPreconditionSequence(IterativePredicateTransformer.java:271) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.computeInterpolantsUsingUnsatCore(TraceCheckSpWp.java:341) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.computeInterpolants(TraceCheckSpWp.java:184) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.(TraceCheckSpWp.java:162) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSpWp.construct(IpTcStrategyModuleSpWp.java:110) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSpWp.construct(IpTcStrategyModuleSpWp.java:1) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:101) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.isCorrect(IpTcStrategyModuleBase.java:57) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.checkFeasibility(AutomatonFreeRefinementEngine.java:210) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.executeStrategy(AutomatonFreeRefinementEngine.java:121) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.(AutomatonFreeRefinementEngine.java:85) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:82) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:337) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:431) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.startCegar(AbstractCegarLoop.java:366) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.runCegar(AbstractCegarLoop.java:348) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.executeCegarLoop(TraceAbstractionStarter.java:415) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseProgram(TraceAbstractionStarter.java:302) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseSequentialProgram(TraceAbstractionStarter.java:262) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:175) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:154) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:124) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) Caused by: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: EOF at de.uni_freiburg.informatik.ultimate.smtsolver.external.Parser$Action$.CUP$do_action(Parser.java:1518) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Parser.do_action(Parser.java:701) at com.github.jhoenicke.javacup.runtime.LRParser.parse(LRParser.java:383) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:258) ... 75 more [2023-11-29 01:19:56,857 INFO L158 Benchmark]: Toolchain (without parser) took 553568.60ms. Allocated memory was 159.4MB in the beginning and 861.9MB in the end (delta: 702.5MB). Free memory was 111.8MB in the beginning and 451.5MB in the end (delta: -339.6MB). Peak memory consumption was 528.0MB. Max. memory is 16.1GB. [2023-11-29 01:19:56,857 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 159.4MB. Free memory is still 104.5MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-29 01:19:56,857 INFO L158 Benchmark]: CACSL2BoogieTranslator took 347.86ms. Allocated memory is still 159.4MB. Free memory was 111.8MB in the beginning and 96.5MB in the end (delta: 15.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-11-29 01:19:56,857 INFO L158 Benchmark]: Boogie Procedure Inliner took 58.05ms. Allocated memory is still 159.4MB. Free memory was 96.5MB in the beginning and 92.4MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-29 01:19:56,857 INFO L158 Benchmark]: Boogie Preprocessor took 64.63ms. Allocated memory is still 159.4MB. Free memory was 92.4MB in the beginning and 87.6MB in the end (delta: 4.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-29 01:19:56,858 INFO L158 Benchmark]: RCFGBuilder took 730.00ms. Allocated memory was 159.4MB in the beginning and 197.1MB in the end (delta: 37.7MB). Free memory was 87.6MB in the beginning and 139.8MB in the end (delta: -52.2MB). Peak memory consumption was 20.6MB. Max. memory is 16.1GB. [2023-11-29 01:19:56,858 INFO L158 Benchmark]: TraceAbstraction took 552361.14ms. Allocated memory was 197.1MB in the beginning and 861.9MB in the end (delta: 664.8MB). Free memory was 139.4MB in the beginning and 451.5MB in the end (delta: -312.0MB). Peak memory consumption was 515.8MB. Max. memory is 16.1GB. [2023-11-29 01:19:56,859 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19ms. Allocated memory is still 159.4MB. Free memory is still 104.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 347.86ms. Allocated memory is still 159.4MB. Free memory was 111.8MB in the beginning and 96.5MB in the end (delta: 15.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 58.05ms. Allocated memory is still 159.4MB. Free memory was 96.5MB in the beginning and 92.4MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 64.63ms. Allocated memory is still 159.4MB. Free memory was 92.4MB in the beginning and 87.6MB in the end (delta: 4.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 730.00ms. Allocated memory was 159.4MB in the beginning and 197.1MB in the end (delta: 37.7MB). Free memory was 87.6MB in the beginning and 139.8MB in the end (delta: -52.2MB). Peak memory consumption was 20.6MB. Max. memory is 16.1GB. * TraceAbstraction took 552361.14ms. Allocated memory was 197.1MB in the beginning and 861.9MB in the end (delta: 664.8MB). Free memory was 139.4MB in the beginning and 451.5MB in the end (delta: -312.0MB). Peak memory consumption was 515.8MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: SMTLIBException: External (MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_180aebae-ea4f-4c58-aaa1-7f80ce9d0d14/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1) with exit command (exit)) Received EOF on stdin. stderr output: (error "out of memory") de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMTLIBException: External (MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_180aebae-ea4f-4c58-aaa1-7f80ce9d0d14/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1) with exit command (exit)) Received EOF on stdin. stderr output: (error "out of memory") : de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:262) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_180aebae-ea4f-4c58-aaa1-7f80ce9d0d14/bin/uautomizer-verify-BQ2R08f2Ya/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_180aebae-ea4f-4c58-aaa1-7f80ce9d0d14/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_180aebae-ea4f-4c58-aaa1-7f80ce9d0d14/bin/uautomizer-verify-BQ2R08f2Ya/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_180aebae-ea4f-4c58-aaa1-7f80ce9d0d14/bin/uautomizer-verify-BQ2R08f2Ya/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-sp_file-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_180aebae-ea4f-4c58-aaa1-7f80ce9d0d14/bin/uautomizer-verify-BQ2R08f2Ya/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_180aebae-ea4f-4c58-aaa1-7f80ce9d0d14/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 c554ccc5a601f8437729d4334efbdb5f23a6f490bc0338089a1c3e75130cdbec --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-29 01:19:58,701 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-29 01:19:58,788 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_180aebae-ea4f-4c58-aaa1-7f80ce9d0d14/bin/uautomizer-verify-BQ2R08f2Ya/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2023-11-29 01:19:58,796 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-29 01:19:58,797 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-29 01:19:58,847 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-29 01:19:58,848 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-29 01:19:58,848 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-29 01:19:58,849 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-29 01:19:58,850 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-29 01:19:58,851 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-29 01:19:58,852 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-29 01:19:58,853 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-29 01:19:58,854 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-29 01:19:58,855 INFO L153 SettingsManager]: * Use SBE=true [2023-11-29 01:19:58,856 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-29 01:19:58,856 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-29 01:19:58,857 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-29 01:19:58,858 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-29 01:19:58,859 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-29 01:19:58,859 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-29 01:19:58,861 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-29 01:19:58,862 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-29 01:19:58,862 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-29 01:19:58,863 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-29 01:19:58,863 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-29 01:19:58,864 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-29 01:19:58,864 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-29 01:19:58,865 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-29 01:19:58,865 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-29 01:19:58,866 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-29 01:19:58,866 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-29 01:19:58,867 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-29 01:19:58,867 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-29 01:19:58,867 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-29 01:19:58,868 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-29 01:19:58,868 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-29 01:19:58,868 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2023-11-29 01:19:58,869 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-29 01:19:58,869 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-29 01:19:58,869 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-29 01:19:58,870 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-29 01:19:58,870 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-29 01:19:58,870 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-29 01:19:58,870 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2023-11-29 01:19:58,871 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_180aebae-ea4f-4c58-aaa1-7f80ce9d0d14/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_180aebae-ea4f-4c58-aaa1-7f80ce9d0d14/bin/uautomizer-verify-BQ2R08f2Ya Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c554ccc5a601f8437729d4334efbdb5f23a6f490bc0338089a1c3e75130cdbec [2023-11-29 01:19:59,198 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-29 01:19:59,219 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-29 01:19:59,223 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-29 01:19:59,224 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-29 01:19:59,224 INFO L274 PluginConnector]: CDTParser initialized [2023-11-29 01:19:59,226 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_180aebae-ea4f-4c58-aaa1-7f80ce9d0d14/bin/uautomizer-verify-BQ2R08f2Ya/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-sp_file-2.i [2023-11-29 01:20:02,204 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-29 01:20:02,425 INFO L384 CDTParser]: Found 1 translation units. [2023-11-29 01:20:02,425 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_180aebae-ea4f-4c58-aaa1-7f80ce9d0d14/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-sp_file-2.i [2023-11-29 01:20:02,437 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_180aebae-ea4f-4c58-aaa1-7f80ce9d0d14/bin/uautomizer-verify-BQ2R08f2Ya/data/e10a57c8c/0ec2b5112b8f4d49ab61ba8df7af89bd/FLAG6385a8775 [2023-11-29 01:20:02,453 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_180aebae-ea4f-4c58-aaa1-7f80ce9d0d14/bin/uautomizer-verify-BQ2R08f2Ya/data/e10a57c8c/0ec2b5112b8f4d49ab61ba8df7af89bd [2023-11-29 01:20:02,457 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-29 01:20:02,459 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-29 01:20:02,461 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-29 01:20:02,461 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-29 01:20:02,466 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-29 01:20:02,467 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 01:20:02" (1/1) ... [2023-11-29 01:20:02,468 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@63e7f1f4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 01:20:02, skipping insertion in model container [2023-11-29 01:20:02,468 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 01:20:02" (1/1) ... [2023-11-29 01:20:02,501 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-29 01:20:02,644 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_180aebae-ea4f-4c58-aaa1-7f80ce9d0d14/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-sp_file-2.i[916,929] [2023-11-29 01:20:02,707 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 01:20:02,724 INFO L202 MainTranslator]: Completed pre-run [2023-11-29 01:20:02,739 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_180aebae-ea4f-4c58-aaa1-7f80ce9d0d14/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-sp_file-2.i[916,929] [2023-11-29 01:20:02,780 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 01:20:02,808 INFO L206 MainTranslator]: Completed translation [2023-11-29 01:20:02,809 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 01:20:02 WrapperNode [2023-11-29 01:20:02,809 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-29 01:20:02,810 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-29 01:20:02,811 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-29 01:20:02,811 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-29 01:20:02,819 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 01:20:02" (1/1) ... [2023-11-29 01:20:02,839 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 01:20:02" (1/1) ... [2023-11-29 01:20:02,885 INFO L138 Inliner]: procedures = 33, calls = 155, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 445 [2023-11-29 01:20:02,886 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-29 01:20:02,887 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-29 01:20:02,887 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-29 01:20:02,888 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-29 01:20:02,901 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 01:20:02" (1/1) ... [2023-11-29 01:20:02,902 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 01:20:02" (1/1) ... [2023-11-29 01:20:02,912 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 01:20:02" (1/1) ... [2023-11-29 01:20:02,938 INFO L175 MemorySlicer]: Split 131 memory accesses to 2 slices as follows [2, 129]. 98 percent of accesses are in the largest equivalence class. The 12 initializations are split as follows [2, 10]. The 15 writes are split as follows [0, 15]. [2023-11-29 01:20:02,938 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 01:20:02" (1/1) ... [2023-11-29 01:20:02,939 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 01:20:02" (1/1) ... [2023-11-29 01:20:02,962 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 01:20:02" (1/1) ... [2023-11-29 01:20:02,968 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 01:20:02" (1/1) ... [2023-11-29 01:20:02,973 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 01:20:02" (1/1) ... [2023-11-29 01:20:02,977 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 01:20:02" (1/1) ... [2023-11-29 01:20:02,984 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-29 01:20:02,986 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-29 01:20:02,986 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-29 01:20:02,986 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-29 01:20:02,987 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 01:20:02" (1/1) ... [2023-11-29 01:20:02,994 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-29 01:20:03,009 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_180aebae-ea4f-4c58-aaa1-7f80ce9d0d14/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 01:20:03,024 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_180aebae-ea4f-4c58-aaa1-7f80ce9d0d14/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2023-11-29 01:20:03,039 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_180aebae-ea4f-4c58-aaa1-7f80ce9d0d14/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2023-11-29 01:20:03,066 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-29 01:20:03,066 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#0 [2023-11-29 01:20:03,067 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#1 [2023-11-29 01:20:03,067 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#0 [2023-11-29 01:20:03,067 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#1 [2023-11-29 01:20:03,067 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2023-11-29 01:20:03,068 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#1 [2023-11-29 01:20:03,068 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#0 [2023-11-29 01:20:03,068 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#1 [2023-11-29 01:20:03,068 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#0 [2023-11-29 01:20:03,068 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#1 [2023-11-29 01:20:03,069 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#0 [2023-11-29 01:20:03,069 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#1 [2023-11-29 01:20:03,069 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#0 [2023-11-29 01:20:03,069 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#1 [2023-11-29 01:20:03,069 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-29 01:20:03,070 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-29 01:20:03,070 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-29 01:20:03,070 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-29 01:20:03,070 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#0 [2023-11-29 01:20:03,071 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#1 [2023-11-29 01:20:03,071 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#0 [2023-11-29 01:20:03,071 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#1 [2023-11-29 01:20:03,274 INFO L241 CfgBuilder]: Building ICFG [2023-11-29 01:20:03,277 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-29 01:20:04,059 INFO L282 CfgBuilder]: Performing block encoding [2023-11-29 01:20:04,102 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-29 01:20:04,102 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-29 01:20:04,103 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 01:20:04 BoogieIcfgContainer [2023-11-29 01:20:04,103 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-29 01:20:04,106 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-29 01:20:04,106 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-29 01:20:04,109 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-29 01:20:04,110 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.11 01:20:02" (1/3) ... [2023-11-29 01:20:04,110 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2d75d77c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 01:20:04, skipping insertion in model container [2023-11-29 01:20:04,111 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 01:20:02" (2/3) ... [2023-11-29 01:20:04,111 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2d75d77c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 01:20:04, skipping insertion in model container [2023-11-29 01:20:04,111 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 01:20:04" (3/3) ... [2023-11-29 01:20:04,113 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_wrapper-sp_file-2.i [2023-11-29 01:20:04,133 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-29 01:20:04,133 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-29 01:20:04,200 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-29 01:20:04,207 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;@33c637d9, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-29 01:20:04,207 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-29 01:20:04,212 INFO L276 IsEmpty]: Start isEmpty. Operand has 93 states, 78 states have (on average 1.5) internal successors, (117), 79 states have internal predecessors, (117), 12 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2023-11-29 01:20:04,224 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2023-11-29 01:20:04,225 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 01:20:04,225 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 01:20:04,226 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 01:20:04,231 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 01:20:04,232 INFO L85 PathProgramCache]: Analyzing trace with hash -1956631273, now seen corresponding path program 1 times [2023-11-29 01:20:04,245 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 01:20:04,246 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2067248817] [2023-11-29 01:20:04,246 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:20:04,247 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-29 01:20:04,247 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_180aebae-ea4f-4c58-aaa1-7f80ce9d0d14/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 01:20:04,269 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_180aebae-ea4f-4c58-aaa1-7f80ce9d0d14/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-29 01:20:04,270 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_180aebae-ea4f-4c58-aaa1-7f80ce9d0d14/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2023-11-29 01:20:04,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:20:04,566 INFO L262 TraceCheckSpWp]: Trace formula consists of 210 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-29 01:20:04,575 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 01:20:04,609 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 142 proven. 0 refuted. 0 times theorem prover too weak. 122 trivial. 0 not checked. [2023-11-29 01:20:04,610 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 01:20:04,610 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-29 01:20:04,611 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2067248817] [2023-11-29 01:20:04,611 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2067248817] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 01:20:04,612 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 01:20:04,612 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 01:20:04,614 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1161825832] [2023-11-29 01:20:04,614 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 01:20:04,619 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-29 01:20:04,619 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-29 01:20:04,647 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-29 01:20:04,648 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-29 01:20:04,652 INFO L87 Difference]: Start difference. First operand has 93 states, 78 states have (on average 1.5) internal successors, (117), 79 states have internal predecessors, (117), 12 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) Second operand has 2 states, 2 states have (on average 21.0) internal successors, (42), 2 states have internal predecessors, (42), 2 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2023-11-29 01:20:04,701 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 01:20:04,702 INFO L93 Difference]: Finished difference Result 183 states and 292 transitions. [2023-11-29 01:20:04,703 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-29 01:20:04,704 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 21.0) internal successors, (42), 2 states have internal predecessors, (42), 2 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 95 [2023-11-29 01:20:04,705 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 01:20:04,713 INFO L225 Difference]: With dead ends: 183 [2023-11-29 01:20:04,714 INFO L226 Difference]: Without dead ends: 91 [2023-11-29 01:20:04,718 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 94 GetRequests, 94 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 01:20:04,721 INFO L413 NwaCegarLoop]: 132 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 132 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-29 01:20:04,723 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 132 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-29 01:20:04,740 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 91 states. [2023-11-29 01:20:04,763 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 91 to 91. [2023-11-29 01:20:04,764 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 91 states, 77 states have (on average 1.4545454545454546) internal successors, (112), 77 states have internal predecessors, (112), 12 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2023-11-29 01:20:04,767 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 91 states and 136 transitions. [2023-11-29 01:20:04,768 INFO L78 Accepts]: Start accepts. Automaton has 91 states and 136 transitions. Word has length 95 [2023-11-29 01:20:04,769 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 01:20:04,769 INFO L495 AbstractCegarLoop]: Abstraction has 91 states and 136 transitions. [2023-11-29 01:20:04,770 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 21.0) internal successors, (42), 2 states have internal predecessors, (42), 2 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2023-11-29 01:20:04,770 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 136 transitions. [2023-11-29 01:20:04,774 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2023-11-29 01:20:04,774 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 01:20:04,774 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 01:20:04,784 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_180aebae-ea4f-4c58-aaa1-7f80ce9d0d14/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2023-11-29 01:20:04,975 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_180aebae-ea4f-4c58-aaa1-7f80ce9d0d14/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-29 01:20:04,975 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 01:20:04,976 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 01:20:04,976 INFO L85 PathProgramCache]: Analyzing trace with hash 283843051, now seen corresponding path program 1 times [2023-11-29 01:20:04,977 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 01:20:04,977 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [285797375] [2023-11-29 01:20:04,977 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:20:04,978 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-29 01:20:04,978 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_180aebae-ea4f-4c58-aaa1-7f80ce9d0d14/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 01:20:04,979 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_180aebae-ea4f-4c58-aaa1-7f80ce9d0d14/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-29 01:20:04,980 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_180aebae-ea4f-4c58-aaa1-7f80ce9d0d14/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2023-11-29 01:20:05,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:20:05,209 INFO L262 TraceCheckSpWp]: Trace formula consists of 210 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-29 01:20:05,215 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 01:20:05,256 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 80 proven. 0 refuted. 0 times theorem prover too weak. 184 trivial. 0 not checked. [2023-11-29 01:20:05,256 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 01:20:05,257 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-29 01:20:05,257 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [285797375] [2023-11-29 01:20:05,257 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [285797375] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 01:20:05,257 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 01:20:05,257 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-29 01:20:05,258 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1269607306] [2023-11-29 01:20:05,258 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 01:20:05,259 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-29 01:20:05,260 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-29 01:20:05,260 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-29 01:20:05,260 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-29 01:20:05,261 INFO L87 Difference]: Start difference. First operand 91 states and 136 transitions. Second operand has 4 states, 4 states have (on average 10.25) internal successors, (41), 4 states have internal predecessors, (41), 2 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2023-11-29 01:20:05,343 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 01:20:05,343 INFO L93 Difference]: Finished difference Result 187 states and 280 transitions. [2023-11-29 01:20:05,343 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-29 01:20:05,344 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 10.25) internal successors, (41), 4 states have internal predecessors, (41), 2 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 95 [2023-11-29 01:20:05,345 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 01:20:05,346 INFO L225 Difference]: With dead ends: 187 [2023-11-29 01:20:05,346 INFO L226 Difference]: Without dead ends: 97 [2023-11-29 01:20:05,347 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 95 GetRequests, 92 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 01:20:05,349 INFO L413 NwaCegarLoop]: 131 mSDtfsCounter, 10 mSDsluCounter, 254 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 385 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-29 01:20:05,350 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [11 Valid, 385 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-29 01:20:05,351 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 97 states. [2023-11-29 01:20:05,362 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 97 to 93. [2023-11-29 01:20:05,363 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 93 states, 79 states have (on average 1.4430379746835442) internal successors, (114), 79 states have internal predecessors, (114), 12 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2023-11-29 01:20:05,365 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 93 states and 138 transitions. [2023-11-29 01:20:05,366 INFO L78 Accepts]: Start accepts. Automaton has 93 states and 138 transitions. Word has length 95 [2023-11-29 01:20:05,366 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 01:20:05,366 INFO L495 AbstractCegarLoop]: Abstraction has 93 states and 138 transitions. [2023-11-29 01:20:05,367 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.25) internal successors, (41), 4 states have internal predecessors, (41), 2 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2023-11-29 01:20:05,367 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 138 transitions. [2023-11-29 01:20:05,369 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2023-11-29 01:20:05,369 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 01:20:05,370 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 01:20:05,377 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_180aebae-ea4f-4c58-aaa1-7f80ce9d0d14/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Ended with exit code 0 [2023-11-29 01:20:05,573 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_180aebae-ea4f-4c58-aaa1-7f80ce9d0d14/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-29 01:20:05,573 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 01:20:05,574 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 01:20:05,574 INFO L85 PathProgramCache]: Analyzing trace with hash 356229609, now seen corresponding path program 1 times [2023-11-29 01:20:05,575 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 01:20:05,575 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1771440168] [2023-11-29 01:20:05,575 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:20:05,575 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-29 01:20:05,576 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_180aebae-ea4f-4c58-aaa1-7f80ce9d0d14/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 01:20:05,577 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_180aebae-ea4f-4c58-aaa1-7f80ce9d0d14/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-29 01:20:05,578 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_180aebae-ea4f-4c58-aaa1-7f80ce9d0d14/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2023-11-29 01:20:05,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:20:05,826 INFO L262 TraceCheckSpWp]: Trace formula consists of 212 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-29 01:20:05,833 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 01:20:05,922 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 01:20:05,923 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 37 treesize of output 17 [2023-11-29 01:20:06,428 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2023-11-29 01:20:06,428 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 01:20:06,428 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-29 01:20:06,429 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1771440168] [2023-11-29 01:20:06,429 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1771440168] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 01:20:06,429 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 01:20:06,429 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-29 01:20:06,430 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [881868523] [2023-11-29 01:20:06,430 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 01:20:06,431 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-29 01:20:06,431 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-29 01:20:06,432 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-29 01:20:06,432 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-29 01:20:06,432 INFO L87 Difference]: Start difference. First operand 93 states and 138 transitions. Second operand has 4 states, 4 states have (on average 9.5) internal successors, (38), 3 states have internal predecessors, (38), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2023-11-29 01:20:07,043 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 01:20:07,043 INFO L93 Difference]: Finished difference Result 278 states and 413 transitions. [2023-11-29 01:20:07,043 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-29 01:20:07,044 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 9.5) internal successors, (38), 3 states have internal predecessors, (38), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) Word has length 95 [2023-11-29 01:20:07,044 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 01:20:07,046 INFO L225 Difference]: With dead ends: 278 [2023-11-29 01:20:07,046 INFO L226 Difference]: Without dead ends: 186 [2023-11-29 01:20:07,047 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 95 GetRequests, 92 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 01:20:07,048 INFO L413 NwaCegarLoop]: 106 mSDtfsCounter, 114 mSDsluCounter, 191 mSDsCounter, 0 mSdLazyCounter, 109 mSolverCounterSat, 33 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 114 SdHoareTripleChecker+Valid, 297 SdHoareTripleChecker+Invalid, 142 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 33 IncrementalHoareTripleChecker+Valid, 109 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2023-11-29 01:20:07,049 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [114 Valid, 297 Invalid, 142 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [33 Valid, 109 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2023-11-29 01:20:07,050 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 186 states. [2023-11-29 01:20:07,072 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 186 to 155. [2023-11-29 01:20:07,072 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 155 states, 128 states have (on average 1.4140625) internal successors, (181), 128 states have internal predecessors, (181), 24 states have call successors, (24), 2 states have call predecessors, (24), 2 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) [2023-11-29 01:20:07,075 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 155 states and 229 transitions. [2023-11-29 01:20:07,075 INFO L78 Accepts]: Start accepts. Automaton has 155 states and 229 transitions. Word has length 95 [2023-11-29 01:20:07,076 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 01:20:07,076 INFO L495 AbstractCegarLoop]: Abstraction has 155 states and 229 transitions. [2023-11-29 01:20:07,076 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.5) internal successors, (38), 3 states have internal predecessors, (38), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2023-11-29 01:20:07,076 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 229 transitions. [2023-11-29 01:20:07,078 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2023-11-29 01:20:07,079 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 01:20:07,079 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 01:20:07,085 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_180aebae-ea4f-4c58-aaa1-7f80ce9d0d14/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Ended with exit code 0 [2023-11-29 01:20:07,285 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_180aebae-ea4f-4c58-aaa1-7f80ce9d0d14/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-29 01:20:07,285 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 01:20:07,286 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 01:20:07,286 INFO L85 PathProgramCache]: Analyzing trace with hash 442200402, now seen corresponding path program 1 times [2023-11-29 01:20:07,286 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 01:20:07,287 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1461136804] [2023-11-29 01:20:07,287 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:20:07,287 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-29 01:20:07,287 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_180aebae-ea4f-4c58-aaa1-7f80ce9d0d14/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 01:20:07,289 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_180aebae-ea4f-4c58-aaa1-7f80ce9d0d14/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-29 01:20:07,290 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_180aebae-ea4f-4c58-aaa1-7f80ce9d0d14/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2023-11-29 01:20:07,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:20:07,506 INFO L262 TraceCheckSpWp]: Trace formula consists of 237 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-29 01:20:07,510 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 01:20:07,524 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2023-11-29 01:20:07,524 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 01:20:07,524 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-29 01:20:07,524 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1461136804] [2023-11-29 01:20:07,524 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1461136804] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 01:20:07,525 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 01:20:07,525 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-29 01:20:07,525 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1906669083] [2023-11-29 01:20:07,525 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 01:20:07,526 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 01:20:07,526 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-29 01:20:07,527 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 01:20:07,527 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 01:20:07,527 INFO L87 Difference]: Start difference. First operand 155 states and 229 transitions. Second operand has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 3 states have internal predecessors, (44), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2023-11-29 01:20:07,563 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 01:20:07,563 INFO L93 Difference]: Finished difference Result 256 states and 380 transitions. [2023-11-29 01:20:07,563 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 01:20:07,564 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 3 states have internal predecessors, (44), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) Word has length 101 [2023-11-29 01:20:07,565 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 01:20:07,566 INFO L225 Difference]: With dead ends: 256 [2023-11-29 01:20:07,566 INFO L226 Difference]: Without dead ends: 157 [2023-11-29 01:20:07,567 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 100 GetRequests, 99 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 01:20:07,568 INFO L413 NwaCegarLoop]: 131 mSDtfsCounter, 0 mSDsluCounter, 126 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 257 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-29 01:20:07,569 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 257 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-29 01:20:07,570 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 157 states. [2023-11-29 01:20:07,585 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 157 to 157. [2023-11-29 01:20:07,586 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 157 states, 130 states have (on average 1.4076923076923078) internal successors, (183), 130 states have internal predecessors, (183), 24 states have call successors, (24), 2 states have call predecessors, (24), 2 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) [2023-11-29 01:20:07,588 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 157 states and 231 transitions. [2023-11-29 01:20:07,589 INFO L78 Accepts]: Start accepts. Automaton has 157 states and 231 transitions. Word has length 101 [2023-11-29 01:20:07,589 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 01:20:07,589 INFO L495 AbstractCegarLoop]: Abstraction has 157 states and 231 transitions. [2023-11-29 01:20:07,590 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 3 states have internal predecessors, (44), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2023-11-29 01:20:07,590 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 231 transitions. [2023-11-29 01:20:07,592 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2023-11-29 01:20:07,592 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 01:20:07,592 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 01:20:07,599 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_180aebae-ea4f-4c58-aaa1-7f80ce9d0d14/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Ended with exit code 0 [2023-11-29 01:20:07,799 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_180aebae-ea4f-4c58-aaa1-7f80ce9d0d14/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-29 01:20:07,799 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 01:20:07,800 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 01:20:07,800 INFO L85 PathProgramCache]: Analyzing trace with hash -578867952, now seen corresponding path program 1 times [2023-11-29 01:20:07,800 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 01:20:07,800 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [92769141] [2023-11-29 01:20:07,801 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:20:07,801 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-29 01:20:07,801 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_180aebae-ea4f-4c58-aaa1-7f80ce9d0d14/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 01:20:07,802 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_180aebae-ea4f-4c58-aaa1-7f80ce9d0d14/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-29 01:20:07,803 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_180aebae-ea4f-4c58-aaa1-7f80ce9d0d14/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2023-11-29 01:20:08,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:20:08,135 INFO L262 TraceCheckSpWp]: Trace formula consists of 240 conjuncts, 45 conjunts are in the unsatisfiable core [2023-11-29 01:20:08,145 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 01:20:09,126 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2023-11-29 01:20:09,953 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 21 [2023-11-29 01:20:11,183 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 37 [2023-11-29 01:20:12,086 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 47 treesize of output 48 [2023-11-29 01:20:13,171 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 46 [2023-11-29 01:20:13,933 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 46 [2023-11-29 01:20:14,924 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 46 [2023-11-29 01:20:15,166 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 46 [2023-11-29 01:20:15,429 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 64 treesize of output 53 [2023-11-29 01:20:15,570 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 01:20:15,571 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 65 treesize of output 33 [2023-11-29 01:20:15,654 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 161 proven. 80 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2023-11-29 01:20:15,654 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 01:20:26,251 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-29 01:20:26,251 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [92769141] [2023-11-29 01:20:26,251 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [92769141] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 01:20:26,251 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [2036163377] [2023-11-29 01:20:26,252 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:20:26,252 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-29 01:20:26,252 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_180aebae-ea4f-4c58-aaa1-7f80ce9d0d14/bin/uautomizer-verify-BQ2R08f2Ya/cvc4 [2023-11-29 01:20:26,257 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_180aebae-ea4f-4c58-aaa1-7f80ce9d0d14/bin/uautomizer-verify-BQ2R08f2Ya/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-29 01:20:26,258 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_180aebae-ea4f-4c58-aaa1-7f80ce9d0d14/bin/uautomizer-verify-BQ2R08f2Ya/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2023-11-29 01:20:27,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:20:27,013 INFO L262 TraceCheckSpWp]: Trace formula consists of 240 conjuncts, 46 conjunts are in the unsatisfiable core [2023-11-29 01:20:27,022 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 01:20:27,904 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 8 [2023-11-29 01:20:29,506 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 17 [2023-11-29 01:20:31,231 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 37 [2023-11-29 01:20:32,621 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 43 [2023-11-29 01:20:34,026 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 46 [2023-11-29 01:20:34,881 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 46 [2023-11-29 01:20:36,115 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 46 [2023-11-29 01:20:36,544 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 46 [2023-11-29 01:20:37,077 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 64 treesize of output 53 [2023-11-29 01:20:37,376 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 65 treesize of output 33 [2023-11-29 01:20:37,479 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 158 proven. 80 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2023-11-29 01:20:37,479 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 01:21:15,042 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [2036163377] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 01:21:15,042 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-29 01:21:15,042 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 19] total 36 [2023-11-29 01:21:15,042 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1524401305] [2023-11-29 01:21:15,042 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-29 01:21:15,043 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 37 states [2023-11-29 01:21:15,043 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-29 01:21:15,044 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 37 interpolants. [2023-11-29 01:21:15,046 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=354, Invalid=1617, Unknown=9, NotChecked=0, Total=1980 [2023-11-29 01:21:15,046 INFO L87 Difference]: Start difference. First operand 157 states and 231 transitions. Second operand has 37 states, 33 states have (on average 3.5454545454545454) internal successors, (117), 33 states have internal predecessors, (117), 15 states have call successors, (24), 12 states have call predecessors, (24), 15 states have return successors, (24), 13 states have call predecessors, (24), 15 states have call successors, (24) [2023-11-29 01:21:28,776 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 01:21:28,776 INFO L93 Difference]: Finished difference Result 360 states and 498 transitions. [2023-11-29 01:21:28,777 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2023-11-29 01:21:28,777 INFO L78 Accepts]: Start accepts. Automaton has has 37 states, 33 states have (on average 3.5454545454545454) internal successors, (117), 33 states have internal predecessors, (117), 15 states have call successors, (24), 12 states have call predecessors, (24), 15 states have return successors, (24), 13 states have call predecessors, (24), 15 states have call successors, (24) Word has length 101 [2023-11-29 01:21:28,778 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 01:21:28,781 INFO L225 Difference]: With dead ends: 360 [2023-11-29 01:21:28,781 INFO L226 Difference]: Without dead ends: 267 [2023-11-29 01:21:28,784 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 269 GetRequests, 200 SyntacticMatches, 3 SemanticMatches, 66 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1291 ImplicationChecksByTransitivity, 57.3s TimeCoverageRelationStatistics Valid=984, Invalid=3563, Unknown=9, NotChecked=0, Total=4556 [2023-11-29 01:21:28,785 INFO L413 NwaCegarLoop]: 52 mSDtfsCounter, 997 mSDsluCounter, 656 mSDsCounter, 0 mSdLazyCounter, 1852 mSolverCounterSat, 112 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 998 SdHoareTripleChecker+Valid, 708 SdHoareTripleChecker+Invalid, 1964 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 112 IncrementalHoareTripleChecker+Valid, 1852 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.3s IncrementalHoareTripleChecker+Time [2023-11-29 01:21:28,785 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [998 Valid, 708 Invalid, 1964 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [112 Valid, 1852 Invalid, 0 Unknown, 0 Unchecked, 8.3s Time] [2023-11-29 01:21:28,787 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 267 states. [2023-11-29 01:21:28,833 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 267 to 229. [2023-11-29 01:21:28,834 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 229 states, 191 states have (on average 1.356020942408377) internal successors, (259), 192 states have internal predecessors, (259), 26 states have call successors, (26), 11 states have call predecessors, (26), 11 states have return successors, (26), 25 states have call predecessors, (26), 26 states have call successors, (26) [2023-11-29 01:21:28,836 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 229 states to 229 states and 311 transitions. [2023-11-29 01:21:28,836 INFO L78 Accepts]: Start accepts. Automaton has 229 states and 311 transitions. Word has length 101 [2023-11-29 01:21:28,836 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 01:21:28,836 INFO L495 AbstractCegarLoop]: Abstraction has 229 states and 311 transitions. [2023-11-29 01:21:28,837 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 37 states, 33 states have (on average 3.5454545454545454) internal successors, (117), 33 states have internal predecessors, (117), 15 states have call successors, (24), 12 states have call predecessors, (24), 15 states have return successors, (24), 13 states have call predecessors, (24), 15 states have call successors, (24) [2023-11-29 01:21:28,837 INFO L276 IsEmpty]: Start isEmpty. Operand 229 states and 311 transitions. [2023-11-29 01:21:28,839 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2023-11-29 01:21:28,839 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 01:21:28,839 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 01:21:28,845 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_180aebae-ea4f-4c58-aaa1-7f80ce9d0d14/bin/uautomizer-verify-BQ2R08f2Ya/cvc4 --incremental --print-success --lang smt (7)] Ended with exit code 0 [2023-11-29 01:21:29,045 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_180aebae-ea4f-4c58-aaa1-7f80ce9d0d14/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Ended with exit code 0 [2023-11-29 01:21:29,240 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_180aebae-ea4f-4c58-aaa1-7f80ce9d0d14/bin/uautomizer-verify-BQ2R08f2Ya/cvc4 --incremental --print-success --lang smt,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_180aebae-ea4f-4c58-aaa1-7f80ce9d0d14/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-29 01:21:29,240 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 01:21:29,241 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 01:21:29,241 INFO L85 PathProgramCache]: Analyzing trace with hash -971894962, now seen corresponding path program 1 times [2023-11-29 01:21:29,241 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 01:21:29,242 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1569586803] [2023-11-29 01:21:29,242 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:21:29,242 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-29 01:21:29,242 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_180aebae-ea4f-4c58-aaa1-7f80ce9d0d14/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 01:21:29,243 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_180aebae-ea4f-4c58-aaa1-7f80ce9d0d14/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-29 01:21:29,244 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_180aebae-ea4f-4c58-aaa1-7f80ce9d0d14/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2023-11-29 01:21:29,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:21:29,552 INFO L262 TraceCheckSpWp]: Trace formula consists of 239 conjuncts, 41 conjunts are in the unsatisfiable core [2023-11-29 01:21:29,558 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 01:21:29,674 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 8 [2023-11-29 01:21:30,272 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 12 [2023-11-29 01:21:30,898 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 20 [2023-11-29 01:21:31,746 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 31 [2023-11-29 01:21:32,721 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 34 [2023-11-29 01:21:33,634 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 34 [2023-11-29 01:21:34,146 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 34 [2023-11-29 01:21:34,837 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 45 [2023-11-29 01:21:35,108 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 55 treesize of output 48 [2023-11-29 01:21:35,262 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 55 treesize of output 48 [2023-11-29 01:21:35,509 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 01:21:35,510 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 54 treesize of output 30 [2023-11-29 01:21:35,646 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 152 proven. 44 refuted. 0 times theorem prover too weak. 68 trivial. 0 not checked. [2023-11-29 01:21:35,646 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 01:21:37,769 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-29 01:21:37,769 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1569586803] [2023-11-29 01:21:37,769 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1569586803] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 01:21:37,769 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1443044225] [2023-11-29 01:21:37,770 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:21:37,770 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-29 01:21:37,770 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_180aebae-ea4f-4c58-aaa1-7f80ce9d0d14/bin/uautomizer-verify-BQ2R08f2Ya/cvc4 [2023-11-29 01:21:37,770 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_180aebae-ea4f-4c58-aaa1-7f80ce9d0d14/bin/uautomizer-verify-BQ2R08f2Ya/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-29 01:21:37,771 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_180aebae-ea4f-4c58-aaa1-7f80ce9d0d14/bin/uautomizer-verify-BQ2R08f2Ya/cvc4 --incremental --print-success --lang smt (9)] Waiting until timeout for monitored process [2023-11-29 01:21:38,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:21:38,643 INFO L262 TraceCheckSpWp]: Trace formula consists of 239 conjuncts, 42 conjunts are in the unsatisfiable core [2023-11-29 01:21:38,650 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 01:21:38,807 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2023-11-29 01:21:39,298 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2023-11-29 01:21:39,841 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2023-11-29 01:21:40,378 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 8 [2023-11-29 01:21:41,106 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 20 [2023-11-29 01:21:41,831 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 23 [2023-11-29 01:21:42,323 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 23 [2023-11-29 01:21:43,092 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 41 [2023-11-29 01:21:43,379 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 47 treesize of output 44 [2023-11-29 01:21:43,593 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 47 treesize of output 44 [2023-11-29 01:21:43,932 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 25 [2023-11-29 01:21:44,004 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 144 proven. 44 refuted. 0 times theorem prover too weak. 76 trivial. 0 not checked. [2023-11-29 01:21:44,004 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 01:21:44,824 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1443044225] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 01:21:44,824 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-29 01:21:44,825 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 13] total 23 [2023-11-29 01:21:44,825 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1887887731] [2023-11-29 01:21:44,825 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-29 01:21:44,826 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2023-11-29 01:21:44,826 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-29 01:21:44,826 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2023-11-29 01:21:44,827 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=121, Invalid=871, Unknown=0, NotChecked=0, Total=992 [2023-11-29 01:21:44,827 INFO L87 Difference]: Start difference. First operand 229 states and 311 transitions. Second operand has 24 states, 24 states have (on average 4.083333333333333) internal successors, (98), 23 states have internal predecessors, (98), 8 states have call successors, (24), 8 states have call predecessors, (24), 8 states have return successors, (24), 8 states have call predecessors, (24), 8 states have call successors, (24) [2023-11-29 01:21:53,799 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 01:21:53,799 INFO L93 Difference]: Finished difference Result 602 states and 855 transitions. [2023-11-29 01:21:53,800 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-11-29 01:21:53,800 INFO L78 Accepts]: Start accepts. Automaton has has 24 states, 24 states have (on average 4.083333333333333) internal successors, (98), 23 states have internal predecessors, (98), 8 states have call successors, (24), 8 states have call predecessors, (24), 8 states have return successors, (24), 8 states have call predecessors, (24), 8 states have call successors, (24) Word has length 101 [2023-11-29 01:21:53,801 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 01:21:53,805 INFO L225 Difference]: With dead ends: 602 [2023-11-29 01:21:53,805 INFO L226 Difference]: Without dead ends: 455 [2023-11-29 01:21:53,806 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 259 GetRequests, 213 SyntacticMatches, 3 SemanticMatches, 43 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 493 ImplicationChecksByTransitivity, 6.6s TimeCoverageRelationStatistics Valid=432, Invalid=1548, Unknown=0, NotChecked=0, Total=1980 [2023-11-29 01:21:53,807 INFO L413 NwaCegarLoop]: 67 mSDtfsCounter, 1403 mSDsluCounter, 601 mSDsCounter, 0 mSdLazyCounter, 1324 mSolverCounterSat, 195 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1403 SdHoareTripleChecker+Valid, 668 SdHoareTripleChecker+Invalid, 1519 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 195 IncrementalHoareTripleChecker+Valid, 1324 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.8s IncrementalHoareTripleChecker+Time [2023-11-29 01:21:53,807 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1403 Valid, 668 Invalid, 1519 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [195 Valid, 1324 Invalid, 0 Unknown, 0 Unchecked, 6.8s Time] [2023-11-29 01:21:53,808 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 455 states. [2023-11-29 01:21:53,851 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 455 to 277. [2023-11-29 01:21:53,852 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 277 states, 239 states have (on average 1.3807531380753137) internal successors, (330), 240 states have internal predecessors, (330), 26 states have call successors, (26), 11 states have call predecessors, (26), 11 states have return successors, (26), 25 states have call predecessors, (26), 26 states have call successors, (26) [2023-11-29 01:21:53,854 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 277 states to 277 states and 382 transitions. [2023-11-29 01:21:53,854 INFO L78 Accepts]: Start accepts. Automaton has 277 states and 382 transitions. Word has length 101 [2023-11-29 01:21:53,854 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 01:21:53,855 INFO L495 AbstractCegarLoop]: Abstraction has 277 states and 382 transitions. [2023-11-29 01:21:53,855 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 24 states have (on average 4.083333333333333) internal successors, (98), 23 states have internal predecessors, (98), 8 states have call successors, (24), 8 states have call predecessors, (24), 8 states have return successors, (24), 8 states have call predecessors, (24), 8 states have call successors, (24) [2023-11-29 01:21:53,855 INFO L276 IsEmpty]: Start isEmpty. Operand 277 states and 382 transitions. [2023-11-29 01:21:53,856 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2023-11-29 01:21:53,856 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 01:21:53,856 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 01:21:53,864 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_180aebae-ea4f-4c58-aaa1-7f80ce9d0d14/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (8)] Ended with exit code 0 [2023-11-29 01:21:54,062 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_180aebae-ea4f-4c58-aaa1-7f80ce9d0d14/bin/uautomizer-verify-BQ2R08f2Ya/cvc4 --incremental --print-success --lang smt (9)] Ended with exit code 0 [2023-11-29 01:21:54,257 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_180aebae-ea4f-4c58-aaa1-7f80ce9d0d14/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3,9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_180aebae-ea4f-4c58-aaa1-7f80ce9d0d14/bin/uautomizer-verify-BQ2R08f2Ya/cvc4 --incremental --print-success --lang smt [2023-11-29 01:21:54,257 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 01:21:54,257 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 01:21:54,258 INFO L85 PathProgramCache]: Analyzing trace with hash -1667691150, now seen corresponding path program 1 times [2023-11-29 01:21:54,258 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 01:21:54,258 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1952655506] [2023-11-29 01:21:54,258 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:21:54,258 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-29 01:21:54,258 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_180aebae-ea4f-4c58-aaa1-7f80ce9d0d14/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 01:21:54,259 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_180aebae-ea4f-4c58-aaa1-7f80ce9d0d14/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-29 01:21:54,260 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_180aebae-ea4f-4c58-aaa1-7f80ce9d0d14/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (10)] Waiting until timeout for monitored process [2023-11-29 01:21:54,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:21:54,565 INFO L262 TraceCheckSpWp]: Trace formula consists of 244 conjuncts, 47 conjunts are in the unsatisfiable core [2023-11-29 01:21:54,573 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 01:21:54,743 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 8 [2023-11-29 01:21:55,955 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 17 [2023-11-29 01:21:56,956 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 25 [2023-11-29 01:21:57,981 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 36 [2023-11-29 01:21:59,089 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 42 [2023-11-29 01:22:00,372 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 48 treesize of output 45 [2023-11-29 01:22:01,248 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 48 treesize of output 45 [2023-11-29 01:22:02,942 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 63 treesize of output 52 [2023-11-29 01:22:03,284 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 60 treesize of output 53 [2023-11-29 01:22:03,541 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 60 treesize of output 53 [2023-11-29 01:22:03,917 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 01:22:03,917 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 62 treesize of output 34 [2023-11-29 01:22:04,020 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 168 proven. 71 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2023-11-29 01:22:04,020 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 01:22:33,878 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-29 01:22:33,878 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1952655506] [2023-11-29 01:22:33,878 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1952655506] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 01:22:33,878 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [2020401447] [2023-11-29 01:22:33,878 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:22:33,878 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-29 01:22:33,878 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_180aebae-ea4f-4c58-aaa1-7f80ce9d0d14/bin/uautomizer-verify-BQ2R08f2Ya/cvc4 [2023-11-29 01:22:33,879 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_180aebae-ea4f-4c58-aaa1-7f80ce9d0d14/bin/uautomizer-verify-BQ2R08f2Ya/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-29 01:22:33,880 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_180aebae-ea4f-4c58-aaa1-7f80ce9d0d14/bin/uautomizer-verify-BQ2R08f2Ya/cvc4 --incremental --print-success --lang smt (11)] Waiting until timeout for monitored process [2023-11-29 01:22:34,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:22:34,843 INFO L262 TraceCheckSpWp]: Trace formula consists of 244 conjuncts, 41 conjunts are in the unsatisfiable core [2023-11-29 01:22:34,850 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 01:22:35,114 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 8 [2023-11-29 01:22:36,196 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 20 [2023-11-29 01:22:37,264 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 31 [2023-11-29 01:22:38,516 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 42 [2023-11-29 01:22:39,946 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 48 treesize of output 45 [2023-11-29 01:22:41,103 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 48 treesize of output 45 [2023-11-29 01:22:42,068 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 48 treesize of output 45 [2023-11-29 01:22:43,956 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 63 treesize of output 52 [2023-11-29 01:22:44,468 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 63 treesize of output 52 [2023-11-29 01:22:44,824 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 60 treesize of output 53 [2023-11-29 01:22:45,578 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 62 treesize of output 34 [2023-11-29 01:22:45,818 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 168 proven. 44 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2023-11-29 01:22:45,818 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 01:23:22,288 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [2020401447] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 01:23:22,288 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-29 01:23:22,288 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 15] total 33 [2023-11-29 01:23:22,288 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1781849284] [2023-11-29 01:23:22,289 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-29 01:23:22,289 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 34 states [2023-11-29 01:23:22,289 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-29 01:23:22,290 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2023-11-29 01:23:22,291 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=206, Invalid=1595, Unknown=5, NotChecked=0, Total=1806 [2023-11-29 01:23:22,291 INFO L87 Difference]: Start difference. First operand 277 states and 382 transitions. Second operand has 34 states, 33 states have (on average 3.393939393939394) internal successors, (112), 33 states have internal predecessors, (112), 12 states have call successors, (24), 11 states have call predecessors, (24), 12 states have return successors, (24), 11 states have call predecessors, (24), 12 states have call successors, (24) [2023-11-29 01:23:40,053 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 01:23:40,053 INFO L93 Difference]: Finished difference Result 651 states and 906 transitions. [2023-11-29 01:23:40,054 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2023-11-29 01:23:40,054 INFO L78 Accepts]: Start accepts. Automaton has has 34 states, 33 states have (on average 3.393939393939394) internal successors, (112), 33 states have internal predecessors, (112), 12 states have call successors, (24), 11 states have call predecessors, (24), 12 states have return successors, (24), 11 states have call predecessors, (24), 12 states have call successors, (24) Word has length 103 [2023-11-29 01:23:40,055 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 01:23:40,057 INFO L225 Difference]: With dead ends: 651 [2023-11-29 01:23:40,057 INFO L226 Difference]: Without dead ends: 475 [2023-11-29 01:23:40,059 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 273 GetRequests, 209 SyntacticMatches, 4 SemanticMatches, 60 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1102 ImplicationChecksByTransitivity, 76.2s TimeCoverageRelationStatistics Valid=624, Invalid=3153, Unknown=5, NotChecked=0, Total=3782 [2023-11-29 01:23:40,060 INFO L413 NwaCegarLoop]: 64 mSDtfsCounter, 1616 mSDsluCounter, 747 mSDsCounter, 0 mSdLazyCounter, 1786 mSolverCounterSat, 243 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1617 SdHoareTripleChecker+Valid, 811 SdHoareTripleChecker+Invalid, 2029 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 243 IncrementalHoareTripleChecker+Valid, 1786 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.6s IncrementalHoareTripleChecker+Time [2023-11-29 01:23:40,060 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1617 Valid, 811 Invalid, 2029 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [243 Valid, 1786 Invalid, 0 Unknown, 0 Unchecked, 12.6s Time] [2023-11-29 01:23:40,061 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 475 states. [2023-11-29 01:23:40,111 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 475 to 289. [2023-11-29 01:23:40,112 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 289 states, 252 states have (on average 1.3928571428571428) internal successors, (351), 252 states have internal predecessors, (351), 24 states have call successors, (24), 12 states have call predecessors, (24), 12 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) [2023-11-29 01:23:40,113 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 289 states to 289 states and 399 transitions. [2023-11-29 01:23:40,113 INFO L78 Accepts]: Start accepts. Automaton has 289 states and 399 transitions. Word has length 103 [2023-11-29 01:23:40,114 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 01:23:40,114 INFO L495 AbstractCegarLoop]: Abstraction has 289 states and 399 transitions. [2023-11-29 01:23:40,114 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 34 states, 33 states have (on average 3.393939393939394) internal successors, (112), 33 states have internal predecessors, (112), 12 states have call successors, (24), 11 states have call predecessors, (24), 12 states have return successors, (24), 11 states have call predecessors, (24), 12 states have call successors, (24) [2023-11-29 01:23:40,114 INFO L276 IsEmpty]: Start isEmpty. Operand 289 states and 399 transitions. [2023-11-29 01:23:40,115 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2023-11-29 01:23:40,115 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 01:23:40,115 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 01:23:40,121 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_180aebae-ea4f-4c58-aaa1-7f80ce9d0d14/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (10)] Ended with exit code 0 [2023-11-29 01:23:40,321 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_180aebae-ea4f-4c58-aaa1-7f80ce9d0d14/bin/uautomizer-verify-BQ2R08f2Ya/cvc4 --incremental --print-success --lang smt (11)] Ended with exit code 0 [2023-11-29 01:23:40,515 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_180aebae-ea4f-4c58-aaa1-7f80ce9d0d14/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3,11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_180aebae-ea4f-4c58-aaa1-7f80ce9d0d14/bin/uautomizer-verify-BQ2R08f2Ya/cvc4 --incremental --print-success --lang smt [2023-11-29 01:23:40,516 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 01:23:40,516 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 01:23:40,516 INFO L85 PathProgramCache]: Analyzing trace with hash 1966610452, now seen corresponding path program 1 times [2023-11-29 01:23:40,516 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 01:23:40,516 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [672794335] [2023-11-29 01:23:40,516 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:23:40,517 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-29 01:23:40,517 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_180aebae-ea4f-4c58-aaa1-7f80ce9d0d14/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 01:23:40,517 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_180aebae-ea4f-4c58-aaa1-7f80ce9d0d14/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-29 01:23:40,518 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_180aebae-ea4f-4c58-aaa1-7f80ce9d0d14/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (12)] Waiting until timeout for monitored process [2023-11-29 01:23:40,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:23:40,725 INFO L262 TraceCheckSpWp]: Trace formula consists of 245 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-29 01:23:40,728 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 01:23:40,850 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 01:23:40,850 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 50 treesize of output 62 [2023-11-29 01:23:40,942 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2023-11-29 01:23:40,942 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 01:23:40,942 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-29 01:23:40,942 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [672794335] [2023-11-29 01:23:40,942 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [672794335] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 01:23:40,942 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 01:23:40,942 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-29 01:23:40,942 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [964146243] [2023-11-29 01:23:40,942 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 01:23:40,943 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-29 01:23:40,943 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-29 01:23:40,943 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-29 01:23:40,944 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-29 01:23:40,944 INFO L87 Difference]: Start difference. First operand 289 states and 399 transitions. Second operand has 5 states, 5 states have (on average 9.2) internal successors, (46), 5 states have internal predecessors, (46), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2023-11-29 01:23:43,395 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 01:23:43,395 INFO L93 Difference]: Finished difference Result 483 states and 671 transitions. [2023-11-29 01:23:43,396 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-29 01:23:43,397 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.2) internal successors, (46), 5 states have internal predecessors, (46), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) Word has length 103 [2023-11-29 01:23:43,397 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 01:23:43,398 INFO L225 Difference]: With dead ends: 483 [2023-11-29 01:23:43,399 INFO L226 Difference]: Without dead ends: 299 [2023-11-29 01:23:43,399 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 105 GetRequests, 99 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2023-11-29 01:23:43,400 INFO L413 NwaCegarLoop]: 125 mSDtfsCounter, 18 mSDsluCounter, 249 mSDsCounter, 0 mSdLazyCounter, 165 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 18 SdHoareTripleChecker+Valid, 374 SdHoareTripleChecker+Invalid, 166 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 165 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2023-11-29 01:23:43,400 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [18 Valid, 374 Invalid, 166 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 165 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2023-11-29 01:23:43,401 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 299 states. [2023-11-29 01:23:43,444 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 299 to 291. [2023-11-29 01:23:43,444 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 291 states, 254 states have (on average 1.389763779527559) internal successors, (353), 254 states have internal predecessors, (353), 24 states have call successors, (24), 12 states have call predecessors, (24), 12 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) [2023-11-29 01:23:43,446 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 291 states to 291 states and 401 transitions. [2023-11-29 01:23:43,447 INFO L78 Accepts]: Start accepts. Automaton has 291 states and 401 transitions. Word has length 103 [2023-11-29 01:23:43,447 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 01:23:43,447 INFO L495 AbstractCegarLoop]: Abstraction has 291 states and 401 transitions. [2023-11-29 01:23:43,447 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.2) internal successors, (46), 5 states have internal predecessors, (46), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2023-11-29 01:23:43,448 INFO L276 IsEmpty]: Start isEmpty. Operand 291 states and 401 transitions. [2023-11-29 01:23:43,449 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2023-11-29 01:23:43,449 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 01:23:43,449 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 01:23:43,456 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_180aebae-ea4f-4c58-aaa1-7f80ce9d0d14/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (12)] Ended with exit code 0 [2023-11-29 01:23:43,656 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_180aebae-ea4f-4c58-aaa1-7f80ce9d0d14/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-29 01:23:43,657 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 01:23:43,657 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 01:23:43,657 INFO L85 PathProgramCache]: Analyzing trace with hash 1148962002, now seen corresponding path program 1 times [2023-11-29 01:23:43,657 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 01:23:43,657 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [75660252] [2023-11-29 01:23:43,657 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:23:43,658 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-29 01:23:43,658 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_180aebae-ea4f-4c58-aaa1-7f80ce9d0d14/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 01:23:43,658 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_180aebae-ea4f-4c58-aaa1-7f80ce9d0d14/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-29 01:23:43,659 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_180aebae-ea4f-4c58-aaa1-7f80ce9d0d14/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (13)] Waiting until timeout for monitored process [2023-11-29 01:23:43,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:23:43,936 INFO L262 TraceCheckSpWp]: Trace formula consists of 244 conjuncts, 47 conjunts are in the unsatisfiable core [2023-11-29 01:23:43,942 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 01:23:44,116 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2023-11-29 01:23:45,271 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 13 [2023-11-29 01:23:46,192 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 13 [2023-11-29 01:23:47,010 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 13 [2023-11-29 01:23:47,837 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 21 [2023-11-29 01:23:48,965 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 24 [2023-11-29 01:23:49,684 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 24 [2023-11-29 01:23:51,268 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 39 [2023-11-29 01:23:51,594 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 39 [2023-11-29 01:23:51,808 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 39 [2023-11-29 01:23:52,097 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 01:23:52,097 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 51 treesize of output 27 [2023-11-29 01:23:52,259 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 120 proven. 71 refuted. 0 times theorem prover too weak. 73 trivial. 0 not checked. [2023-11-29 01:23:52,259 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 01:24:12,903 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-29 01:24:12,904 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [75660252] [2023-11-29 01:24:12,904 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [75660252] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 01:24:12,904 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1946450882] [2023-11-29 01:24:12,904 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:24:12,904 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-29 01:24:12,904 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_180aebae-ea4f-4c58-aaa1-7f80ce9d0d14/bin/uautomizer-verify-BQ2R08f2Ya/cvc4 [2023-11-29 01:24:12,905 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_180aebae-ea4f-4c58-aaa1-7f80ce9d0d14/bin/uautomizer-verify-BQ2R08f2Ya/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-29 01:24:12,909 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_180aebae-ea4f-4c58-aaa1-7f80ce9d0d14/bin/uautomizer-verify-BQ2R08f2Ya/cvc4 --incremental --print-success --lang smt (14)] Waiting until timeout for monitored process [2023-11-29 01:24:13,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:24:13,858 INFO L262 TraceCheckSpWp]: Trace formula consists of 244 conjuncts, 63 conjunts are in the unsatisfiable core [2023-11-29 01:24:13,864 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 01:24:14,259 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 8 [2023-11-29 01:24:17,209 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 17 [2023-11-29 01:24:20,100 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 37 [2023-11-29 01:24:23,600 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 56 treesize of output 53 [2023-11-29 01:24:25,875 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 46 [2023-11-29 01:24:27,816 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 46 [2023-11-29 01:24:29,317 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 46 [2023-11-29 01:24:33,034 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 65 treesize of output 54 [2023-11-29 01:24:34,276 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 78 treesize of output 63 [2023-11-29 01:24:35,262 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 93 treesize of output 70 [2023-11-29 01:24:36,129 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 82 treesize of output 42 [2023-11-29 01:24:36,532 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 121 proven. 101 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2023-11-29 01:24:36,532 INFO L327 TraceCheckSpWp]: Computing backward predicates...