./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/heap-manipulation/bubble_sort_linux-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 2329fc70 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46c0f5c8-4702-42ee-a145-86c5b0b165a8/bin/uautomizer-uyxdKDjOR8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46c0f5c8-4702-42ee-a145-86c5b0b165a8/bin/uautomizer-uyxdKDjOR8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46c0f5c8-4702-42ee-a145-86c5b0b165a8/bin/uautomizer-uyxdKDjOR8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46c0f5c8-4702-42ee-a145-86c5b0b165a8/bin/uautomizer-uyxdKDjOR8/config/AutomizerReach.xml -i ../../sv-benchmarks/c/heap-manipulation/bubble_sort_linux-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46c0f5c8-4702-42ee-a145-86c5b0b165a8/bin/uautomizer-uyxdKDjOR8/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46c0f5c8-4702-42ee-a145-86c5b0b165a8/bin/uautomizer-uyxdKDjOR8 --witnessprinter.witness.filename witness.graphml --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 a38de44f112a10364737c35b840e673503a211a020b9f494a50e4a32c8fe31c0 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-2329fc7 [2022-12-13 14:03:29,029 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-13 14:03:29,031 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-13 14:03:29,044 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-13 14:03:29,044 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-13 14:03:29,045 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-13 14:03:29,045 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-13 14:03:29,046 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-13 14:03:29,047 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-13 14:03:29,048 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-13 14:03:29,049 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-13 14:03:29,049 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-13 14:03:29,050 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-13 14:03:29,050 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-13 14:03:29,051 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-13 14:03:29,052 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-13 14:03:29,052 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-13 14:03:29,053 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-13 14:03:29,054 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-13 14:03:29,055 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-13 14:03:29,056 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-13 14:03:29,057 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-13 14:03:29,058 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-13 14:03:29,058 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-13 14:03:29,060 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-13 14:03:29,060 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-13 14:03:29,061 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-13 14:03:29,061 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-13 14:03:29,061 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-13 14:03:29,062 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-13 14:03:29,062 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-13 14:03:29,063 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-13 14:03:29,063 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-13 14:03:29,064 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-13 14:03:29,064 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-13 14:03:29,065 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-13 14:03:29,065 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-13 14:03:29,065 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-13 14:03:29,065 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-13 14:03:29,066 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-13 14:03:29,066 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-13 14:03:29,067 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46c0f5c8-4702-42ee-a145-86c5b0b165a8/bin/uautomizer-uyxdKDjOR8/config/svcomp-Reach-32bit-Automizer_Default.epf [2022-12-13 14:03:29,081 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-13 14:03:29,081 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-13 14:03:29,081 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-13 14:03:29,081 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-13 14:03:29,081 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-13 14:03:29,082 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-13 14:03:29,082 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-13 14:03:29,082 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-13 14:03:29,082 INFO L138 SettingsManager]: * Use SBE=true [2022-12-13 14:03:29,082 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-13 14:03:29,083 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-13 14:03:29,083 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-13 14:03:29,083 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-13 14:03:29,083 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-13 14:03:29,083 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-13 14:03:29,083 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-13 14:03:29,083 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-13 14:03:29,084 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-13 14:03:29,084 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-13 14:03:29,084 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-13 14:03:29,084 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-13 14:03:29,084 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-13 14:03:29,084 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-13 14:03:29,084 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-13 14:03:29,085 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 14:03:29,085 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-13 14:03:29,085 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-13 14:03:29,085 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-13 14:03:29,085 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-12-13 14:03:29,085 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-13 14:03:29,085 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-12-13 14:03:29,085 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-13 14:03:29,086 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2022-12-13 14:03:29,086 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-12-13 14:03:29,086 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2022-12-13 14:03:29,086 INFO L138 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_46c0f5c8-4702-42ee-a145-86c5b0b165a8/bin/uautomizer-uyxdKDjOR8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46c0f5c8-4702-42ee-a145-86c5b0b165a8/bin/uautomizer-uyxdKDjOR8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a38de44f112a10364737c35b840e673503a211a020b9f494a50e4a32c8fe31c0 [2022-12-13 14:03:29,281 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-13 14:03:29,299 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-13 14:03:29,301 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-13 14:03:29,302 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-13 14:03:29,302 INFO L275 PluginConnector]: CDTParser initialized [2022-12-13 14:03:29,303 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46c0f5c8-4702-42ee-a145-86c5b0b165a8/bin/uautomizer-uyxdKDjOR8/../../sv-benchmarks/c/heap-manipulation/bubble_sort_linux-1.i [2022-12-13 14:03:31,881 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-13 14:03:32,088 INFO L351 CDTParser]: Found 1 translation units. [2022-12-13 14:03:32,088 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46c0f5c8-4702-42ee-a145-86c5b0b165a8/sv-benchmarks/c/heap-manipulation/bubble_sort_linux-1.i [2022-12-13 14:03:32,098 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46c0f5c8-4702-42ee-a145-86c5b0b165a8/bin/uautomizer-uyxdKDjOR8/data/c7eab946c/fb19b0622b9945a9ac9bf98fc68b0a38/FLAG04d2ff740 [2022-12-13 14:03:32,480 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46c0f5c8-4702-42ee-a145-86c5b0b165a8/bin/uautomizer-uyxdKDjOR8/data/c7eab946c/fb19b0622b9945a9ac9bf98fc68b0a38 [2022-12-13 14:03:32,484 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-13 14:03:32,486 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-13 14:03:32,487 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-13 14:03:32,488 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-13 14:03:32,492 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-13 14:03:32,492 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 02:03:32" (1/1) ... [2022-12-13 14:03:32,494 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@66349125 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 02:03:32, skipping insertion in model container [2022-12-13 14:03:32,494 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 02:03:32" (1/1) ... [2022-12-13 14:03:32,502 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-13 14:03:32,547 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-13 14:03:32,794 WARN L237 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_46c0f5c8-4702-42ee-a145-86c5b0b165a8/sv-benchmarks/c/heap-manipulation/bubble_sort_linux-1.i[33822,33835] [2022-12-13 14:03:32,822 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 14:03:32,829 INFO L203 MainTranslator]: Completed pre-run [2022-12-13 14:03:32,853 WARN L237 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_46c0f5c8-4702-42ee-a145-86c5b0b165a8/sv-benchmarks/c/heap-manipulation/bubble_sort_linux-1.i[33822,33835] [2022-12-13 14:03:32,865 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 14:03:32,890 INFO L208 MainTranslator]: Completed translation [2022-12-13 14:03:32,890 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 02:03:32 WrapperNode [2022-12-13 14:03:32,890 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-13 14:03:32,891 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-13 14:03:32,891 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-13 14:03:32,891 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-13 14:03:32,896 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 02:03:32" (1/1) ... [2022-12-13 14:03:32,907 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 02:03:32" (1/1) ... [2022-12-13 14:03:32,923 INFO L138 Inliner]: procedures = 232, calls = 75, calls flagged for inlining = 10, calls inlined = 10, statements flattened = 116 [2022-12-13 14:03:32,923 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-13 14:03:32,924 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-13 14:03:32,924 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-13 14:03:32,924 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-13 14:03:32,931 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 02:03:32" (1/1) ... [2022-12-13 14:03:32,932 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 02:03:32" (1/1) ... [2022-12-13 14:03:32,937 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 02:03:32" (1/1) ... [2022-12-13 14:03:32,937 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 02:03:32" (1/1) ... [2022-12-13 14:03:32,949 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 02:03:32" (1/1) ... [2022-12-13 14:03:32,956 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 02:03:32" (1/1) ... [2022-12-13 14:03:32,959 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 02:03:32" (1/1) ... [2022-12-13 14:03:32,961 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 02:03:32" (1/1) ... [2022-12-13 14:03:32,964 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-13 14:03:32,965 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-13 14:03:32,965 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-13 14:03:32,965 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-13 14:03:32,966 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 02:03:32" (1/1) ... [2022-12-13 14:03:32,973 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 14:03:32,983 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46c0f5c8-4702-42ee-a145-86c5b0b165a8/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 14:03:32,994 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46c0f5c8-4702-42ee-a145-86c5b0b165a8/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-13 14:03:32,997 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46c0f5c8-4702-42ee-a145-86c5b0b165a8/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-13 14:03:33,029 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-12-13 14:03:33,029 INFO L130 BoogieDeclarations]: Found specification of procedure inspect [2022-12-13 14:03:33,029 INFO L138 BoogieDeclarations]: Found implementation of procedure inspect [2022-12-13 14:03:33,029 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-13 14:03:33,029 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-12-13 14:03:33,029 INFO L130 BoogieDeclarations]: Found specification of procedure val_from_node [2022-12-13 14:03:33,030 INFO L138 BoogieDeclarations]: Found implementation of procedure val_from_node [2022-12-13 14:03:33,030 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-13 14:03:33,030 INFO L130 BoogieDeclarations]: Found specification of procedure fail [2022-12-13 14:03:33,030 INFO L138 BoogieDeclarations]: Found implementation of procedure fail [2022-12-13 14:03:33,030 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-13 14:03:33,030 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-12-13 14:03:33,030 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-13 14:03:33,031 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-12-13 14:03:33,031 INFO L130 BoogieDeclarations]: Found specification of procedure list_add [2022-12-13 14:03:33,031 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add [2022-12-13 14:03:33,031 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-13 14:03:33,031 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-13 14:03:33,031 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-13 14:03:33,134 INFO L235 CfgBuilder]: Building ICFG [2022-12-13 14:03:33,136 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-13 14:03:33,430 INFO L276 CfgBuilder]: Performing block encoding [2022-12-13 14:03:33,435 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-13 14:03:33,436 INFO L300 CfgBuilder]: Removed 41 assume(true) statements. [2022-12-13 14:03:33,437 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 02:03:33 BoogieIcfgContainer [2022-12-13 14:03:33,437 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-13 14:03:33,439 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-13 14:03:33,439 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-13 14:03:33,441 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-13 14:03:33,442 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.12 02:03:32" (1/3) ... [2022-12-13 14:03:33,442 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6c3ecf3a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 02:03:33, skipping insertion in model container [2022-12-13 14:03:33,442 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 02:03:32" (2/3) ... [2022-12-13 14:03:33,442 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6c3ecf3a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 02:03:33, skipping insertion in model container [2022-12-13 14:03:33,443 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 02:03:33" (3/3) ... [2022-12-13 14:03:33,444 INFO L112 eAbstractionObserver]: Analyzing ICFG bubble_sort_linux-1.i [2022-12-13 14:03:33,458 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-13 14:03:33,458 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-12-13 14:03:33,504 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-13 14:03:33,511 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=LoopsAndPotentialCycles, 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;@e5f7932, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-12-13 14:03:33,511 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-12-13 14:03:33,516 INFO L276 IsEmpty]: Start isEmpty. Operand has 118 states, 89 states have (on average 1.7415730337078652) internal successors, (155), 108 states have internal predecessors, (155), 23 states have call successors, (23), 4 states have call predecessors, (23), 4 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2022-12-13 14:03:33,522 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-12-13 14:03:33,522 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 14:03:33,522 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 14:03:33,523 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting failErr0ASSERT_VIOLATIONERROR_FUNCTION === [failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 14:03:33,527 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 14:03:33,528 INFO L85 PathProgramCache]: Analyzing trace with hash 1761516263, now seen corresponding path program 1 times [2022-12-13 14:03:33,535 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 14:03:33,536 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2026165778] [2022-12-13 14:03:33,536 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 14:03:33,536 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 14:03:33,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:03:33,660 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 14:03:33,660 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 14:03:33,661 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2026165778] [2022-12-13 14:03:33,661 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2026165778] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 14:03:33,661 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 14:03:33,661 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-13 14:03:33,663 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [756379509] [2022-12-13 14:03:33,664 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 14:03:33,667 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-12-13 14:03:33,668 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 14:03:33,690 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-12-13 14:03:33,691 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-12-13 14:03:33,693 INFO L87 Difference]: Start difference. First operand has 118 states, 89 states have (on average 1.7415730337078652) internal successors, (155), 108 states have internal predecessors, (155), 23 states have call successors, (23), 4 states have call predecessors, (23), 4 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) Second operand has 2 states, 2 states have (on average 3.5) internal successors, (7), 2 states have internal predecessors, (7), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 14:03:33,727 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 14:03:33,728 INFO L93 Difference]: Finished difference Result 230 states and 397 transitions. [2022-12-13 14:03:33,728 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-12-13 14:03:33,729 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 3.5) internal successors, (7), 2 states have internal predecessors, (7), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 9 [2022-12-13 14:03:33,729 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 14:03:33,734 INFO L225 Difference]: With dead ends: 230 [2022-12-13 14:03:33,735 INFO L226 Difference]: Without dead ends: 107 [2022-12-13 14:03:33,739 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-12-13 14:03:33,741 INFO L413 NwaCegarLoop]: 136 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 136 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-13 14:03:33,742 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 136 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 14:03:33,753 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 107 states. [2022-12-13 14:03:33,767 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 107 to 107. [2022-12-13 14:03:33,768 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 107 states, 82 states have (on average 1.2439024390243902) internal successors, (102), 97 states have internal predecessors, (102), 21 states have call successors, (21), 4 states have call predecessors, (21), 3 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2022-12-13 14:03:33,769 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 107 states and 128 transitions. [2022-12-13 14:03:33,770 INFO L78 Accepts]: Start accepts. Automaton has 107 states and 128 transitions. Word has length 9 [2022-12-13 14:03:33,771 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 14:03:33,771 INFO L495 AbstractCegarLoop]: Abstraction has 107 states and 128 transitions. [2022-12-13 14:03:33,771 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 3.5) internal successors, (7), 2 states have internal predecessors, (7), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 14:03:33,771 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 128 transitions. [2022-12-13 14:03:33,772 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-12-13 14:03:33,772 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 14:03:33,772 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 14:03:33,772 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-13 14:03:33,772 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting failErr0ASSERT_VIOLATIONERROR_FUNCTION === [failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 14:03:33,773 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 14:03:33,773 INFO L85 PathProgramCache]: Analyzing trace with hash 849043181, now seen corresponding path program 1 times [2022-12-13 14:03:33,773 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 14:03:33,773 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [582247550] [2022-12-13 14:03:33,774 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 14:03:33,774 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 14:03:33,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:03:34,008 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-12-13 14:03:34,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:03:34,042 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 14:03:34,043 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 14:03:34,043 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [582247550] [2022-12-13 14:03:34,043 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [582247550] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 14:03:34,043 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 14:03:34,043 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-12-13 14:03:34,044 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1108443472] [2022-12-13 14:03:34,044 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 14:03:34,045 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-13 14:03:34,045 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 14:03:34,046 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-13 14:03:34,046 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-12-13 14:03:34,046 INFO L87 Difference]: Start difference. First operand 107 states and 128 transitions. Second operand has 6 states, 6 states have (on average 2.8333333333333335) internal successors, (17), 4 states have internal predecessors, (17), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-12-13 14:03:34,296 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 14:03:34,296 INFO L93 Difference]: Finished difference Result 109 states and 129 transitions. [2022-12-13 14:03:34,297 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-13 14:03:34,297 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 2.8333333333333335) internal successors, (17), 4 states have internal predecessors, (17), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 21 [2022-12-13 14:03:34,297 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 14:03:34,298 INFO L225 Difference]: With dead ends: 109 [2022-12-13 14:03:34,298 INFO L226 Difference]: Without dead ends: 106 [2022-12-13 14:03:34,298 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2022-12-13 14:03:34,299 INFO L413 NwaCegarLoop]: 38 mSDtfsCounter, 242 mSDsluCounter, 95 mSDsCounter, 0 mSdLazyCounter, 203 mSolverCounterSat, 34 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 245 SdHoareTripleChecker+Valid, 133 SdHoareTripleChecker+Invalid, 237 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 34 IncrementalHoareTripleChecker+Valid, 203 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-12-13 14:03:34,299 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [245 Valid, 133 Invalid, 237 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [34 Valid, 203 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-12-13 14:03:34,300 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 106 states. [2022-12-13 14:03:34,308 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 106 to 106. [2022-12-13 14:03:34,309 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 106 states, 82 states have (on average 1.2317073170731707) internal successors, (101), 96 states have internal predecessors, (101), 20 states have call successors, (20), 4 states have call predecessors, (20), 3 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2022-12-13 14:03:34,310 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 106 states and 126 transitions. [2022-12-13 14:03:34,310 INFO L78 Accepts]: Start accepts. Automaton has 106 states and 126 transitions. Word has length 21 [2022-12-13 14:03:34,311 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 14:03:34,311 INFO L495 AbstractCegarLoop]: Abstraction has 106 states and 126 transitions. [2022-12-13 14:03:34,311 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 2.8333333333333335) internal successors, (17), 4 states have internal predecessors, (17), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-12-13 14:03:34,311 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 126 transitions. [2022-12-13 14:03:34,311 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-12-13 14:03:34,311 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 14:03:34,312 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 14:03:34,312 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-12-13 14:03:34,312 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting failErr0ASSERT_VIOLATIONERROR_FUNCTION === [failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 14:03:34,312 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 14:03:34,312 INFO L85 PathProgramCache]: Analyzing trace with hash 502050183, now seen corresponding path program 1 times [2022-12-13 14:03:34,312 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 14:03:34,312 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [776245255] [2022-12-13 14:03:34,313 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 14:03:34,313 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 14:03:34,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:03:34,689 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-12-13 14:03:34,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:03:34,807 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 14:03:34,807 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 14:03:34,807 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [776245255] [2022-12-13 14:03:34,807 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [776245255] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 14:03:34,807 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 14:03:34,808 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-12-13 14:03:34,808 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [670165672] [2022-12-13 14:03:34,808 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 14:03:34,808 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-12-13 14:03:34,808 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 14:03:34,809 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-12-13 14:03:34,809 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=90, Unknown=0, NotChecked=0, Total=110 [2022-12-13 14:03:34,809 INFO L87 Difference]: Start difference. First operand 106 states and 126 transitions. Second operand has 11 states, 11 states have (on average 1.8181818181818181) internal successors, (20), 7 states have internal predecessors, (20), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-12-13 14:03:35,577 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 14:03:35,577 INFO L93 Difference]: Finished difference Result 198 states and 235 transitions. [2022-12-13 14:03:35,577 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-12-13 14:03:35,577 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 1.8181818181818181) internal successors, (20), 7 states have internal predecessors, (20), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 24 [2022-12-13 14:03:35,578 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 14:03:35,580 INFO L225 Difference]: With dead ends: 198 [2022-12-13 14:03:35,580 INFO L226 Difference]: Without dead ends: 192 [2022-12-13 14:03:35,581 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=75, Invalid=267, Unknown=0, NotChecked=0, Total=342 [2022-12-13 14:03:35,581 INFO L413 NwaCegarLoop]: 29 mSDtfsCounter, 533 mSDsluCounter, 128 mSDsCounter, 0 mSdLazyCounter, 850 mSolverCounterSat, 119 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 533 SdHoareTripleChecker+Valid, 157 SdHoareTripleChecker+Invalid, 969 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 119 IncrementalHoareTripleChecker+Valid, 850 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-12-13 14:03:35,582 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [533 Valid, 157 Invalid, 969 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [119 Valid, 850 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-12-13 14:03:35,582 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 192 states. [2022-12-13 14:03:35,600 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 192 to 172. [2022-12-13 14:03:35,601 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 172 states, 144 states have (on average 1.2430555555555556) internal successors, (179), 158 states have internal predecessors, (179), 23 states have call successors, (23), 6 states have call predecessors, (23), 4 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2022-12-13 14:03:35,602 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 172 states to 172 states and 209 transitions. [2022-12-13 14:03:35,602 INFO L78 Accepts]: Start accepts. Automaton has 172 states and 209 transitions. Word has length 24 [2022-12-13 14:03:35,602 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 14:03:35,602 INFO L495 AbstractCegarLoop]: Abstraction has 172 states and 209 transitions. [2022-12-13 14:03:35,602 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 1.8181818181818181) internal successors, (20), 7 states have internal predecessors, (20), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-12-13 14:03:35,602 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states and 209 transitions. [2022-12-13 14:03:35,603 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2022-12-13 14:03:35,603 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 14:03:35,603 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 14:03:35,603 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-12-13 14:03:35,603 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting failErr0ASSERT_VIOLATIONERROR_FUNCTION === [failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 14:03:35,603 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 14:03:35,604 INFO L85 PathProgramCache]: Analyzing trace with hash 1234303898, now seen corresponding path program 1 times [2022-12-13 14:03:35,604 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 14:03:35,604 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1655123963] [2022-12-13 14:03:35,604 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 14:03:35,604 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 14:03:35,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:03:36,077 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-12-13 14:03:36,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:03:36,304 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 14:03:36,304 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 14:03:36,305 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1655123963] [2022-12-13 14:03:36,305 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1655123963] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 14:03:36,305 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 14:03:36,305 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-12-13 14:03:36,305 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2077174475] [2022-12-13 14:03:36,305 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 14:03:36,306 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-12-13 14:03:36,306 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 14:03:36,306 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-12-13 14:03:36,306 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=90, Unknown=0, NotChecked=0, Total=110 [2022-12-13 14:03:36,307 INFO L87 Difference]: Start difference. First operand 172 states and 209 transitions. Second operand has 11 states, 11 states have (on average 2.090909090909091) internal successors, (23), 7 states have internal predecessors, (23), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-12-13 14:03:37,089 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 14:03:37,089 INFO L93 Difference]: Finished difference Result 274 states and 329 transitions. [2022-12-13 14:03:37,089 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-12-13 14:03:37,090 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 2.090909090909091) internal successors, (23), 7 states have internal predecessors, (23), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 27 [2022-12-13 14:03:37,090 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 14:03:37,091 INFO L225 Difference]: With dead ends: 274 [2022-12-13 14:03:37,092 INFO L226 Difference]: Without dead ends: 271 [2022-12-13 14:03:37,092 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=56, Invalid=216, Unknown=0, NotChecked=0, Total=272 [2022-12-13 14:03:37,093 INFO L413 NwaCegarLoop]: 33 mSDtfsCounter, 322 mSDsluCounter, 192 mSDsCounter, 0 mSdLazyCounter, 951 mSolverCounterSat, 47 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 325 SdHoareTripleChecker+Valid, 225 SdHoareTripleChecker+Invalid, 998 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 47 IncrementalHoareTripleChecker+Valid, 951 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-12-13 14:03:37,094 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [325 Valid, 225 Invalid, 998 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [47 Valid, 951 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-12-13 14:03:37,095 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 271 states. [2022-12-13 14:03:37,130 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 271 to 253. [2022-12-13 14:03:37,131 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 253 states, 218 states have (on average 1.238532110091743) internal successors, (270), 233 states have internal predecessors, (270), 28 states have call successors, (28), 8 states have call predecessors, (28), 6 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2022-12-13 14:03:37,133 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 253 states to 253 states and 309 transitions. [2022-12-13 14:03:37,133 INFO L78 Accepts]: Start accepts. Automaton has 253 states and 309 transitions. Word has length 27 [2022-12-13 14:03:37,133 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 14:03:37,134 INFO L495 AbstractCegarLoop]: Abstraction has 253 states and 309 transitions. [2022-12-13 14:03:37,134 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 2.090909090909091) internal successors, (23), 7 states have internal predecessors, (23), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-12-13 14:03:37,134 INFO L276 IsEmpty]: Start isEmpty. Operand 253 states and 309 transitions. [2022-12-13 14:03:37,134 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-12-13 14:03:37,135 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 14:03:37,135 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 14:03:37,135 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-12-13 14:03:37,135 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting failErr0ASSERT_VIOLATIONERROR_FUNCTION === [failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 14:03:37,135 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 14:03:37,136 INFO L85 PathProgramCache]: Analyzing trace with hash 1680148119, now seen corresponding path program 1 times [2022-12-13 14:03:37,136 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 14:03:37,136 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [592660218] [2022-12-13 14:03:37,136 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 14:03:37,136 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 14:03:37,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:03:37,646 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-12-13 14:03:37,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:03:37,822 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 14:03:37,822 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 14:03:37,822 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [592660218] [2022-12-13 14:03:37,822 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [592660218] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 14:03:37,822 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 14:03:37,822 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-12-13 14:03:37,823 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1932329211] [2022-12-13 14:03:37,823 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 14:03:37,823 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-12-13 14:03:37,823 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 14:03:37,823 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-12-13 14:03:37,823 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=130, Unknown=0, NotChecked=0, Total=156 [2022-12-13 14:03:37,824 INFO L87 Difference]: Start difference. First operand 253 states and 309 transitions. Second operand has 13 states, 13 states have (on average 2.0) internal successors, (26), 9 states have internal predecessors, (26), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-12-13 14:03:38,750 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 14:03:38,750 INFO L93 Difference]: Finished difference Result 273 states and 327 transitions. [2022-12-13 14:03:38,750 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-12-13 14:03:38,750 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 2.0) internal successors, (26), 9 states have internal predecessors, (26), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 30 [2022-12-13 14:03:38,751 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 14:03:38,751 INFO L225 Difference]: With dead ends: 273 [2022-12-13 14:03:38,752 INFO L226 Difference]: Without dead ends: 270 [2022-12-13 14:03:38,752 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=72, Invalid=308, Unknown=0, NotChecked=0, Total=380 [2022-12-13 14:03:38,753 INFO L413 NwaCegarLoop]: 33 mSDtfsCounter, 352 mSDsluCounter, 262 mSDsCounter, 0 mSdLazyCounter, 1191 mSolverCounterSat, 42 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 355 SdHoareTripleChecker+Valid, 295 SdHoareTripleChecker+Invalid, 1233 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 42 IncrementalHoareTripleChecker+Valid, 1191 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-12-13 14:03:38,753 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [355 Valid, 295 Invalid, 1233 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [42 Valid, 1191 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-12-13 14:03:38,754 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 270 states. [2022-12-13 14:03:38,772 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 270 to 253. [2022-12-13 14:03:38,772 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 253 states, 218 states have (on average 1.2339449541284404) internal successors, (269), 233 states have internal predecessors, (269), 28 states have call successors, (28), 8 states have call predecessors, (28), 6 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2022-12-13 14:03:38,773 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 253 states to 253 states and 308 transitions. [2022-12-13 14:03:38,773 INFO L78 Accepts]: Start accepts. Automaton has 253 states and 308 transitions. Word has length 30 [2022-12-13 14:03:38,773 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 14:03:38,774 INFO L495 AbstractCegarLoop]: Abstraction has 253 states and 308 transitions. [2022-12-13 14:03:38,774 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 2.0) internal successors, (26), 9 states have internal predecessors, (26), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-12-13 14:03:38,774 INFO L276 IsEmpty]: Start isEmpty. Operand 253 states and 308 transitions. [2022-12-13 14:03:38,774 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2022-12-13 14:03:38,774 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 14:03:38,775 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 14:03:38,775 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-12-13 14:03:38,775 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting failErr0ASSERT_VIOLATIONERROR_FUNCTION === [failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 14:03:38,775 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 14:03:38,775 INFO L85 PathProgramCache]: Analyzing trace with hash -493122043, now seen corresponding path program 1 times [2022-12-13 14:03:38,775 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 14:03:38,775 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1282171879] [2022-12-13 14:03:38,776 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 14:03:38,776 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 14:03:38,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:03:39,619 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-12-13 14:03:39,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:03:40,045 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 14:03:40,045 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 14:03:40,046 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1282171879] [2022-12-13 14:03:40,046 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1282171879] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 14:03:40,046 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 14:03:40,046 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2022-12-13 14:03:40,046 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1980218678] [2022-12-13 14:03:40,046 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 14:03:40,047 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2022-12-13 14:03:40,047 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 14:03:40,047 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2022-12-13 14:03:40,047 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=153, Unknown=0, NotChecked=0, Total=182 [2022-12-13 14:03:40,047 INFO L87 Difference]: Start difference. First operand 253 states and 308 transitions. Second operand has 14 states, 14 states have (on average 2.0714285714285716) internal successors, (29), 10 states have internal predecessors, (29), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-12-13 14:03:40,916 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 14:03:40,917 INFO L93 Difference]: Finished difference Result 272 states and 325 transitions. [2022-12-13 14:03:40,917 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-12-13 14:03:40,917 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 2.0714285714285716) internal successors, (29), 10 states have internal predecessors, (29), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 33 [2022-12-13 14:03:40,917 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 14:03:40,918 INFO L225 Difference]: With dead ends: 272 [2022-12-13 14:03:40,918 INFO L226 Difference]: Without dead ends: 269 [2022-12-13 14:03:40,918 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 42 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=89, Invalid=373, Unknown=0, NotChecked=0, Total=462 [2022-12-13 14:03:40,919 INFO L413 NwaCegarLoop]: 33 mSDtfsCounter, 352 mSDsluCounter, 238 mSDsCounter, 0 mSdLazyCounter, 1090 mSolverCounterSat, 40 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 355 SdHoareTripleChecker+Valid, 271 SdHoareTripleChecker+Invalid, 1130 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 40 IncrementalHoareTripleChecker+Valid, 1090 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-12-13 14:03:40,919 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [355 Valid, 271 Invalid, 1130 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [40 Valid, 1090 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-12-13 14:03:40,919 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 269 states. [2022-12-13 14:03:40,937 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 269 to 253. [2022-12-13 14:03:40,937 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 253 states, 218 states have (on average 1.2293577981651376) internal successors, (268), 233 states have internal predecessors, (268), 28 states have call successors, (28), 8 states have call predecessors, (28), 6 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2022-12-13 14:03:40,938 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 253 states to 253 states and 307 transitions. [2022-12-13 14:03:40,938 INFO L78 Accepts]: Start accepts. Automaton has 253 states and 307 transitions. Word has length 33 [2022-12-13 14:03:40,938 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 14:03:40,939 INFO L495 AbstractCegarLoop]: Abstraction has 253 states and 307 transitions. [2022-12-13 14:03:40,939 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 2.0714285714285716) internal successors, (29), 10 states have internal predecessors, (29), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-12-13 14:03:40,939 INFO L276 IsEmpty]: Start isEmpty. Operand 253 states and 307 transitions. [2022-12-13 14:03:40,939 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2022-12-13 14:03:40,939 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 14:03:40,939 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 14:03:40,939 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-12-13 14:03:40,940 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting failErr0ASSERT_VIOLATIONERROR_FUNCTION === [failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 14:03:40,940 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 14:03:40,940 INFO L85 PathProgramCache]: Analyzing trace with hash -2033122620, now seen corresponding path program 1 times [2022-12-13 14:03:40,940 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 14:03:40,940 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1796763565] [2022-12-13 14:03:40,940 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 14:03:40,940 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 14:03:40,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:03:41,712 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-12-13 14:03:41,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:03:42,110 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 14:03:42,111 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 14:03:42,111 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1796763565] [2022-12-13 14:03:42,111 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1796763565] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 14:03:42,111 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 14:03:42,111 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-12-13 14:03:42,111 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [706371244] [2022-12-13 14:03:42,111 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 14:03:42,112 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-12-13 14:03:42,112 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 14:03:42,112 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-12-13 14:03:42,112 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=110, Unknown=0, NotChecked=0, Total=132 [2022-12-13 14:03:42,113 INFO L87 Difference]: Start difference. First operand 253 states and 307 transitions. Second operand has 12 states, 12 states have (on average 2.6666666666666665) internal successors, (32), 8 states have internal predecessors, (32), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-12-13 14:03:43,010 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 14:03:43,010 INFO L93 Difference]: Finished difference Result 271 states and 323 transitions. [2022-12-13 14:03:43,010 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-12-13 14:03:43,010 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 2.6666666666666665) internal successors, (32), 8 states have internal predecessors, (32), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 36 [2022-12-13 14:03:43,011 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 14:03:43,012 INFO L225 Difference]: With dead ends: 271 [2022-12-13 14:03:43,012 INFO L226 Difference]: Without dead ends: 268 [2022-12-13 14:03:43,012 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=66, Invalid=276, Unknown=0, NotChecked=0, Total=342 [2022-12-13 14:03:43,013 INFO L413 NwaCegarLoop]: 33 mSDtfsCounter, 348 mSDsluCounter, 216 mSDsCounter, 0 mSdLazyCounter, 1054 mSolverCounterSat, 41 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 351 SdHoareTripleChecker+Valid, 249 SdHoareTripleChecker+Invalid, 1095 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 41 IncrementalHoareTripleChecker+Valid, 1054 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-12-13 14:03:43,013 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [351 Valid, 249 Invalid, 1095 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [41 Valid, 1054 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-12-13 14:03:43,013 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 268 states. [2022-12-13 14:03:43,038 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 268 to 253. [2022-12-13 14:03:43,038 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 253 states, 218 states have (on average 1.224770642201835) internal successors, (267), 233 states have internal predecessors, (267), 28 states have call successors, (28), 8 states have call predecessors, (28), 6 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2022-12-13 14:03:43,039 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 253 states to 253 states and 306 transitions. [2022-12-13 14:03:43,039 INFO L78 Accepts]: Start accepts. Automaton has 253 states and 306 transitions. Word has length 36 [2022-12-13 14:03:43,039 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 14:03:43,039 INFO L495 AbstractCegarLoop]: Abstraction has 253 states and 306 transitions. [2022-12-13 14:03:43,039 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 2.6666666666666665) internal successors, (32), 8 states have internal predecessors, (32), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-12-13 14:03:43,040 INFO L276 IsEmpty]: Start isEmpty. Operand 253 states and 306 transitions. [2022-12-13 14:03:43,040 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2022-12-13 14:03:43,040 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 14:03:43,040 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 14:03:43,040 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-12-13 14:03:43,040 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting failErr0ASSERT_VIOLATIONERROR_FUNCTION === [failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 14:03:43,041 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 14:03:43,041 INFO L85 PathProgramCache]: Analyzing trace with hash -1335339115, now seen corresponding path program 1 times [2022-12-13 14:03:43,041 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 14:03:43,041 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [870857479] [2022-12-13 14:03:43,041 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 14:03:43,041 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 14:03:43,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:03:43,568 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-12-13 14:03:43,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:03:43,718 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 14:03:43,718 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 14:03:43,718 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [870857479] [2022-12-13 14:03:43,719 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [870857479] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 14:03:43,719 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 14:03:43,719 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-12-13 14:03:43,719 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1343231162] [2022-12-13 14:03:43,719 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 14:03:43,719 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-12-13 14:03:43,720 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 14:03:43,720 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-12-13 14:03:43,720 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=110, Unknown=0, NotChecked=0, Total=132 [2022-12-13 14:03:43,721 INFO L87 Difference]: Start difference. First operand 253 states and 306 transitions. Second operand has 12 states, 12 states have (on average 2.9166666666666665) internal successors, (35), 8 states have internal predecessors, (35), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-12-13 14:03:44,455 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 14:03:44,455 INFO L93 Difference]: Finished difference Result 270 states and 321 transitions. [2022-12-13 14:03:44,455 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-12-13 14:03:44,455 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 2.9166666666666665) internal successors, (35), 8 states have internal predecessors, (35), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 39 [2022-12-13 14:03:44,455 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 14:03:44,456 INFO L225 Difference]: With dead ends: 270 [2022-12-13 14:03:44,456 INFO L226 Difference]: Without dead ends: 267 [2022-12-13 14:03:44,457 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 67 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=104, Invalid=448, Unknown=0, NotChecked=0, Total=552 [2022-12-13 14:03:44,457 INFO L413 NwaCegarLoop]: 32 mSDtfsCounter, 424 mSDsluCounter, 218 mSDsCounter, 0 mSdLazyCounter, 992 mSolverCounterSat, 55 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 427 SdHoareTripleChecker+Valid, 250 SdHoareTripleChecker+Invalid, 1047 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 55 IncrementalHoareTripleChecker+Valid, 992 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-12-13 14:03:44,457 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [427 Valid, 250 Invalid, 1047 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [55 Valid, 992 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-12-13 14:03:44,458 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 267 states. [2022-12-13 14:03:44,479 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 267 to 253. [2022-12-13 14:03:44,479 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 253 states, 218 states have (on average 1.2201834862385321) internal successors, (266), 233 states have internal predecessors, (266), 28 states have call successors, (28), 8 states have call predecessors, (28), 6 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2022-12-13 14:03:44,480 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 253 states to 253 states and 305 transitions. [2022-12-13 14:03:44,480 INFO L78 Accepts]: Start accepts. Automaton has 253 states and 305 transitions. Word has length 39 [2022-12-13 14:03:44,480 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 14:03:44,481 INFO L495 AbstractCegarLoop]: Abstraction has 253 states and 305 transitions. [2022-12-13 14:03:44,481 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 2.9166666666666665) internal successors, (35), 8 states have internal predecessors, (35), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-12-13 14:03:44,481 INFO L276 IsEmpty]: Start isEmpty. Operand 253 states and 305 transitions. [2022-12-13 14:03:44,481 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2022-12-13 14:03:44,481 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 14:03:44,481 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 14:03:44,482 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-12-13 14:03:44,482 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting failErr0ASSERT_VIOLATIONERROR_FUNCTION === [failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 14:03:44,482 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 14:03:44,482 INFO L85 PathProgramCache]: Analyzing trace with hash 1154705564, now seen corresponding path program 1 times [2022-12-13 14:03:44,482 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 14:03:44,482 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [180977857] [2022-12-13 14:03:44,482 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 14:03:44,482 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 14:03:44,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:03:45,235 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-12-13 14:03:45,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:03:45,435 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-12-13 14:03:45,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:03:45,566 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-12-13 14:03:45,566 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 14:03:45,567 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [180977857] [2022-12-13 14:03:45,567 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [180977857] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-13 14:03:45,567 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1375354422] [2022-12-13 14:03:45,567 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 14:03:45,567 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 14:03:45,567 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46c0f5c8-4702-42ee-a145-86c5b0b165a8/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 14:03:45,568 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46c0f5c8-4702-42ee-a145-86c5b0b165a8/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 14:03:45,569 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46c0f5c8-4702-42ee-a145-86c5b0b165a8/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-12-13 14:03:45,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:03:45,709 INFO L263 TraceCheckSpWp]: Trace formula consists of 424 conjuncts, 142 conjunts are in the unsatisfiable core [2022-12-13 14:03:45,717 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 14:03:45,809 INFO L321 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2022-12-13 14:03:45,810 INFO L350 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 2 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 21 [2022-12-13 14:03:45,884 INFO L321 Elim1Store]: treesize reduction 11, result has 45.0 percent of original size [2022-12-13 14:03:45,885 INFO L350 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 1 case distinctions, treesize of input 14 treesize of output 20 [2022-12-13 14:03:45,896 INFO L350 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 5 treesize of output 3 [2022-12-13 14:03:45,911 INFO L321 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2022-12-13 14:03:45,912 INFO L350 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 1 case distinctions, treesize of input 21 treesize of output 21 [2022-12-13 14:03:45,957 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2022-12-13 14:03:45,966 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 3 [2022-12-13 14:03:46,118 INFO L321 Elim1Store]: treesize reduction 77, result has 3.8 percent of original size [2022-12-13 14:03:46,119 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 61 treesize of output 82 [2022-12-13 14:03:46,133 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 133 treesize of output 105 [2022-12-13 14:03:46,138 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 112 treesize of output 78 [2022-12-13 14:03:46,215 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-13 14:03:46,216 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 14:03:46,219 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 28 [2022-12-13 14:03:46,223 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 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 26 treesize of output 24 [2022-12-13 14:03:46,322 INFO L321 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2022-12-13 14:03:46,322 INFO L350 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 11 treesize of output 11 [2022-12-13 14:03:46,375 INFO L350 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 28 treesize of output 26 [2022-12-13 14:03:46,391 INFO L350 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 22 treesize of output 8 [2022-12-13 14:03:46,529 INFO L321 Elim1Store]: treesize reduction 177, result has 36.1 percent of original size [2022-12-13 14:03:46,530 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 3 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 258 treesize of output 397 [2022-12-13 14:03:46,545 INFO L350 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 8 treesize of output 7 [2022-12-13 14:03:46,559 INFO L350 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 8 treesize of output 7 [2022-12-13 14:03:46,572 INFO L350 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 8 treesize of output 7 [2022-12-13 14:03:47,128 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 14:03:47,165 INFO L321 Elim1Store]: treesize reduction 139, result has 22.3 percent of original size [2022-12-13 14:03:47,166 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 747 treesize of output 805 [2022-12-13 14:03:47,217 INFO L350 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 5 treesize of output 3 [2022-12-13 14:03:47,252 INFO L350 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 5 treesize of output 3 [2022-12-13 14:03:47,278 INFO L350 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 5 treesize of output 3 [2022-12-13 14:03:47,411 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-13 14:03:47,413 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 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 156 treesize of output 11 [2022-12-13 14:03:47,419 INFO L350 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 5 treesize of output 3 [2022-12-13 14:03:48,303 INFO L321 Elim1Store]: treesize reduction 54, result has 23.9 percent of original size [2022-12-13 14:03:48,304 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 2 case distinctions, treesize of input 606 treesize of output 436 [2022-12-13 14:03:48,314 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 14:03:48,332 INFO L321 Elim1Store]: treesize reduction 38, result has 19.1 percent of original size [2022-12-13 14:03:48,333 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 580 treesize of output 507 [2022-12-13 14:03:48,343 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 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 494 treesize of output 416 [2022-12-13 14:03:48,355 INFO L350 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 7 treesize of output 3 [2022-12-13 14:03:48,495 INFO L321 Elim1Store]: treesize reduction 19, result has 32.1 percent of original size [2022-12-13 14:03:48,495 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 385 treesize of output 351 [2022-12-13 14:03:48,504 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 14:03:48,505 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 14:03:48,519 INFO L321 Elim1Store]: treesize reduction 37, result has 36.2 percent of original size [2022-12-13 14:03:48,519 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 87 treesize of output 92 [2022-12-13 14:03:48,768 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 3 [2022-12-13 14:03:48,829 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 8 [2022-12-13 14:03:48,871 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 14:03:48,871 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-13 14:03:49,420 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1375354422] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-13 14:03:49,420 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-12-13 14:03:49,420 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 17] total 29 [2022-12-13 14:03:49,420 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1454045554] [2022-12-13 14:03:49,420 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-12-13 14:03:49,421 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 30 states [2022-12-13 14:03:49,421 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 14:03:49,421 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2022-12-13 14:03:49,421 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=104, Invalid=1122, Unknown=34, NotChecked=0, Total=1260 [2022-12-13 14:03:49,421 INFO L87 Difference]: Start difference. First operand 253 states and 305 transitions. Second operand has 30 states, 30 states have (on average 2.1666666666666665) internal successors, (65), 20 states have internal predecessors, (65), 7 states have call successors, (7), 6 states have call predecessors, (7), 4 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2022-12-13 14:03:50,347 WARN L859 $PredicateComparison]: unable to prove that (let ((.cse3 (select |c_#memory_$Pointer$.offset| |c_list_add_#in~head#1.base|)) (.cse6 (select (select |c_old(#memory_$Pointer$.base)| |c_list_add_#in~head#1.base|) |c_list_add_#in~head#1.offset|))) (let ((.cse0 (= |c_list_add_#in~head#1.base| .cse6)) (.cse14 (= |c_list_add_#in~new#1.offset| (select .cse3 |c_list_add_#in~head#1.offset|))) (.cse12 (select |c_#memory_$Pointer$.offset| .cse6)) (.cse4 (= |c_list_add_#in~head#1.base| |c_list_add_#in~new#1.base|)) (.cse1 (select |c_old(#memory_$Pointer$.offset)| |c_list_add_#in~head#1.base|))) (let ((.cse7 (select |c_old(#memory_$Pointer$.base)| .cse6)) (.cse8 (+ (select .cse1 |c_list_add_#in~head#1.offset|) 4)) (.cse15 (and (or (and .cse0 .cse14) (and .cse14 (exists ((v_DerPreprocessor_16 (Array Int Int)) (v_DerPreprocessor_17 (Array Int Int))) (let ((.cse21 (store (store (store (store (store (store (store (store (store (store (store (store (store (store (store (store (store (store |c_#memory_$Pointer$.offset| .cse6 v_DerPreprocessor_16) |c_list_add_#in~new#1.base| v_DerPreprocessor_17) |c_list_add_#in~head#1.base| .cse3) .cse6 v_DerPreprocessor_16) |c_list_add_#in~new#1.base| v_DerPreprocessor_17) |c_list_add_#in~head#1.base| .cse3) .cse6 v_DerPreprocessor_16) |c_list_add_#in~new#1.base| v_DerPreprocessor_17) |c_list_add_#in~head#1.base| .cse3) .cse6 v_DerPreprocessor_16) |c_list_add_#in~new#1.base| v_DerPreprocessor_17) |c_list_add_#in~head#1.base| .cse3) .cse6 v_DerPreprocessor_16) |c_list_add_#in~new#1.base| v_DerPreprocessor_17) |c_list_add_#in~head#1.base| .cse3) .cse6 v_DerPreprocessor_16) |c_list_add_#in~new#1.base| v_DerPreprocessor_17) |c_list_add_#in~head#1.base| .cse3))) (let ((.cse20 (select .cse21 .cse6))) (and (= .cse20 v_DerPreprocessor_16) (= .cse12 .cse20) (= (select |c_#memory_$Pointer$.offset| |c_list_add_#in~new#1.base|) (select .cse21 |c_list_add_#in~new#1.base|)))))))) (not .cse4))) (.cse9 (= |c_list_add_#in~new#1.base| .cse6))) (and (or .cse0 (let ((.cse2 (@diff .cse1 .cse3))) (and (= (store .cse1 .cse2 (select .cse3 .cse2)) .cse3) (or (= |c_list_add_#in~head#1.offset| .cse2) (= .cse1 .cse3)))) .cse4) (exists ((v_ArrVal_1015 (Array Int Int)) (v_ArrVal_1025 (Array Int Int)) (v_ArrVal_1017 Int) (|list_add___list_add_~next#1.offset| Int)) (= (let ((.cse5 (store |c_old(#memory_$Pointer$.base)| .cse6 (store .cse7 (+ |list_add___list_add_~next#1.offset| 4) |c_list_add_#in~new#1.base|)))) (store (store .cse5 |c_list_add_#in~new#1.base| v_ArrVal_1025) |c_list_add_#in~head#1.base| (store (select (store .cse5 |c_list_add_#in~new#1.base| v_ArrVal_1015) |c_list_add_#in~head#1.base|) |c_list_add_#in~head#1.offset| v_ArrVal_1017))) |c_#memory_$Pointer$.base|)) (= (select |c_#valid| 3) 1) (exists ((v_ArrVal_1008 (Array Int Int)) (v_ArrVal_1006 (Array Int Int)) (v_ArrVal_1004 (Array Int Int))) (= |c_#memory_$Pointer$.base| (store (store (store |c_old(#memory_$Pointer$.base)| .cse6 v_ArrVal_1006) |c_list_add_#in~new#1.base| v_ArrVal_1008) |c_list_add_#in~head#1.base| (store (select (store (store |c_old(#memory_$Pointer$.base)| .cse6 (store .cse7 .cse8 |c_list_add_#in~new#1.base|)) |c_list_add_#in~new#1.base| v_ArrVal_1004) |c_list_add_#in~head#1.base|) |c_list_add_#in~head#1.offset| |c_list_add_#in~new#1.base|)))) (or (not .cse0) (<= |c_list_add_#in~new#1.offset| (select .cse3 .cse8)) .cse9 (= |c_list_add_#in~head#1.offset| .cse8)) (= 3 |c_~#gl_list~0.base|) (= (select (select |c_#memory_$Pointer$.base| |c_list_add_#in~head#1.base|) |c_list_add_#in~head#1.offset|) |c_list_add_#in~new#1.base|) (or (and (or (exists ((v_DerPreprocessor_12 (Array Int Int))) (and (exists ((v_DerPreprocessor_10 (Array Int Int)) (v_DerPreprocessor_11 (Array Int Int))) (let ((.cse10 (store (store (store (store (store (store |c_#memory_$Pointer$.offset| .cse6 v_DerPreprocessor_10) |c_list_add_#in~new#1.base| v_DerPreprocessor_11) |c_list_add_#in~head#1.base| v_DerPreprocessor_12) .cse6 v_DerPreprocessor_10) |c_list_add_#in~new#1.base| v_DerPreprocessor_11) |c_list_add_#in~head#1.base| v_DerPreprocessor_12))) (and (= v_DerPreprocessor_11 (select .cse10 |c_list_add_#in~new#1.base|)) (exists ((v_prenex_19 (Array Int Int)) (v_prenex_21 (Array Int Int)) (v_prenex_20 (Array Int Int))) (let ((.cse11 (store (store (store (store (store (store |c_#memory_$Pointer$.offset| .cse6 v_prenex_19) |c_list_add_#in~new#1.base| v_prenex_21) |c_list_add_#in~head#1.base| v_prenex_20) .cse6 v_prenex_19) |c_list_add_#in~new#1.base| v_prenex_21) |c_list_add_#in~head#1.base| v_prenex_20))) (let ((.cse13 (select .cse11 .cse6))) (and (= v_prenex_21 (select .cse11 |c_list_add_#in~new#1.base|)) (= |c_list_add_#in~new#1.offset| (select v_prenex_20 |c_list_add_#in~head#1.offset|)) (= .cse12 .cse13) (= (select .cse10 .cse6) .cse13)))))))) (= |c_list_add_#in~new#1.offset| (select v_DerPreprocessor_12 |c_list_add_#in~head#1.offset|)))) .cse9) .cse14 .cse4) .cse15) (<= 0 |c_~#gl_list~0.offset|) (or .cse15 (and (or (exists ((v_DerPreprocessor_12 (Array Int Int))) (and (exists ((v_DerPreprocessor_10 (Array Int Int)) (v_DerPreprocessor_11 (Array Int Int))) (let ((.cse19 (store (store (store (store (store (store |c_#memory_$Pointer$.offset| .cse6 v_DerPreprocessor_10) |c_list_add_#in~new#1.base| v_DerPreprocessor_11) |c_list_add_#in~head#1.base| v_DerPreprocessor_12) .cse6 v_DerPreprocessor_10) |c_list_add_#in~new#1.base| v_DerPreprocessor_11) |c_list_add_#in~head#1.base| v_DerPreprocessor_12))) (let ((.cse16 (select .cse19 .cse6))) (and (= .cse16 v_DerPreprocessor_10) (exists ((v_prenex_19 (Array Int Int)) (v_prenex_21 (Array Int Int)) (v_prenex_20 (Array Int Int))) (let ((.cse17 (store (store (store (store (store (store |c_#memory_$Pointer$.offset| .cse6 v_prenex_19) |c_list_add_#in~new#1.base| v_prenex_21) |c_list_add_#in~head#1.base| v_prenex_20) .cse6 v_prenex_19) |c_list_add_#in~new#1.base| v_prenex_21) |c_list_add_#in~head#1.base| v_prenex_20))) (let ((.cse18 (select .cse17 .cse6))) (and (= v_prenex_21 (select .cse17 |c_list_add_#in~new#1.base|)) (= |c_list_add_#in~new#1.offset| (select v_prenex_20 |c_list_add_#in~head#1.offset|)) (= v_prenex_19 .cse18) (= .cse12 .cse18) (= .cse16 .cse18))))) (= v_DerPreprocessor_11 (select .cse19 |c_list_add_#in~new#1.base|)))))) (= |c_list_add_#in~new#1.offset| (select v_DerPreprocessor_12 |c_list_add_#in~head#1.offset|)))) .cse9) .cse14 .cse4)) (<= |c_~#gl_list~0.offset| 0))))) is different from true [2022-12-13 14:03:53,186 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-12-13 14:03:58,568 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 14:03:58,568 INFO L93 Difference]: Finished difference Result 366 states and 429 transitions. [2022-12-13 14:03:58,569 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2022-12-13 14:03:58,569 INFO L78 Accepts]: Start accepts. Automaton has has 30 states, 30 states have (on average 2.1666666666666665) internal successors, (65), 20 states have internal predecessors, (65), 7 states have call successors, (7), 6 states have call predecessors, (7), 4 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) Word has length 40 [2022-12-13 14:03:58,569 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 14:03:58,570 INFO L225 Difference]: With dead ends: 366 [2022-12-13 14:03:58,570 INFO L226 Difference]: Without dead ends: 360 [2022-12-13 14:03:58,571 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 97 GetRequests, 38 SyntacticMatches, 2 SemanticMatches, 57 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 582 ImplicationChecksByTransitivity, 3.9s TimeCoverageRelationStatistics Valid=392, Invalid=2861, Unknown=57, NotChecked=112, Total=3422 [2022-12-13 14:03:58,571 INFO L413 NwaCegarLoop]: 48 mSDtfsCounter, 921 mSDsluCounter, 732 mSDsCounter, 0 mSdLazyCounter, 4167 mSolverCounterSat, 157 mSolverCounterUnsat, 116 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 923 SdHoareTripleChecker+Valid, 780 SdHoareTripleChecker+Invalid, 4455 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 157 IncrementalHoareTripleChecker+Valid, 4167 IncrementalHoareTripleChecker+Invalid, 116 IncrementalHoareTripleChecker+Unknown, 15 IncrementalHoareTripleChecker+Unchecked, 6.6s IncrementalHoareTripleChecker+Time [2022-12-13 14:03:58,571 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [923 Valid, 780 Invalid, 4455 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [157 Valid, 4167 Invalid, 116 Unknown, 15 Unchecked, 6.6s Time] [2022-12-13 14:03:58,571 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 360 states. [2022-12-13 14:03:58,621 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 360 to 274. [2022-12-13 14:03:58,621 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 274 states, 237 states have (on average 1.2067510548523206) internal successors, (286), 252 states have internal predecessors, (286), 29 states have call successors, (29), 10 states have call predecessors, (29), 7 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2022-12-13 14:03:58,623 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 274 states to 274 states and 326 transitions. [2022-12-13 14:03:58,624 INFO L78 Accepts]: Start accepts. Automaton has 274 states and 326 transitions. Word has length 40 [2022-12-13 14:03:58,624 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 14:03:58,624 INFO L495 AbstractCegarLoop]: Abstraction has 274 states and 326 transitions. [2022-12-13 14:03:58,624 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 30 states, 30 states have (on average 2.1666666666666665) internal successors, (65), 20 states have internal predecessors, (65), 7 states have call successors, (7), 6 states have call predecessors, (7), 4 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2022-12-13 14:03:58,624 INFO L276 IsEmpty]: Start isEmpty. Operand 274 states and 326 transitions. [2022-12-13 14:03:58,625 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2022-12-13 14:03:58,625 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 14:03:58,625 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 14:03:58,632 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46c0f5c8-4702-42ee-a145-86c5b0b165a8/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-12-13 14:03:58,826 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46c0f5c8-4702-42ee-a145-86c5b0b165a8/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable8 [2022-12-13 14:03:58,827 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting failErr0ASSERT_VIOLATIONERROR_FUNCTION === [failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 14:03:58,828 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 14:03:58,828 INFO L85 PathProgramCache]: Analyzing trace with hash -1293265745, now seen corresponding path program 1 times [2022-12-13 14:03:58,828 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 14:03:58,829 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [771807360] [2022-12-13 14:03:58,829 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 14:03:58,829 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 14:03:58,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:03:59,456 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-12-13 14:03:59,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:03:59,715 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 14:03:59,715 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 14:03:59,715 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [771807360] [2022-12-13 14:03:59,716 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [771807360] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 14:03:59,716 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 14:03:59,716 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-12-13 14:03:59,716 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [639653765] [2022-12-13 14:03:59,716 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 14:03:59,716 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-12-13 14:03:59,716 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 14:03:59,717 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-12-13 14:03:59,717 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=133, Unknown=0, NotChecked=0, Total=156 [2022-12-13 14:03:59,717 INFO L87 Difference]: Start difference. First operand 274 states and 326 transitions. Second operand has 13 states, 13 states have (on average 2.923076923076923) internal successors, (38), 9 states have internal predecessors, (38), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-12-13 14:04:00,737 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 14:04:00,737 INFO L93 Difference]: Finished difference Result 290 states and 340 transitions. [2022-12-13 14:04:00,738 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-12-13 14:04:00,738 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 2.923076923076923) internal successors, (38), 9 states have internal predecessors, (38), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 42 [2022-12-13 14:04:00,738 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 14:04:00,739 INFO L225 Difference]: With dead ends: 290 [2022-12-13 14:04:00,739 INFO L226 Difference]: Without dead ends: 287 [2022-12-13 14:04:00,739 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 42 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=93, Invalid=413, Unknown=0, NotChecked=0, Total=506 [2022-12-13 14:04:00,739 INFO L413 NwaCegarLoop]: 33 mSDtfsCounter, 379 mSDsluCounter, 262 mSDsCounter, 0 mSdLazyCounter, 1192 mSolverCounterSat, 40 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 379 SdHoareTripleChecker+Valid, 295 SdHoareTripleChecker+Invalid, 1232 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 40 IncrementalHoareTripleChecker+Valid, 1192 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-12-13 14:04:00,740 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [379 Valid, 295 Invalid, 1232 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [40 Valid, 1192 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-12-13 14:04:00,740 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 287 states. [2022-12-13 14:04:00,771 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 287 to 274. [2022-12-13 14:04:00,771 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 274 states, 237 states have (on average 1.2025316455696202) internal successors, (285), 252 states have internal predecessors, (285), 29 states have call successors, (29), 10 states have call predecessors, (29), 7 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2022-12-13 14:04:00,772 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 274 states to 274 states and 325 transitions. [2022-12-13 14:04:00,772 INFO L78 Accepts]: Start accepts. Automaton has 274 states and 325 transitions. Word has length 42 [2022-12-13 14:04:00,772 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 14:04:00,772 INFO L495 AbstractCegarLoop]: Abstraction has 274 states and 325 transitions. [2022-12-13 14:04:00,773 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 2.923076923076923) internal successors, (38), 9 states have internal predecessors, (38), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-12-13 14:04:00,773 INFO L276 IsEmpty]: Start isEmpty. Operand 274 states and 325 transitions. [2022-12-13 14:04:00,773 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2022-12-13 14:04:00,773 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 14:04:00,773 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 14:04:00,773 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-12-13 14:04:00,773 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting failErr0ASSERT_VIOLATIONERROR_FUNCTION === [failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 14:04:00,774 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 14:04:00,774 INFO L85 PathProgramCache]: Analyzing trace with hash 1188127317, now seen corresponding path program 1 times [2022-12-13 14:04:00,774 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 14:04:00,774 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1327706030] [2022-12-13 14:04:00,774 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 14:04:00,774 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 14:04:00,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:04:01,513 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-12-13 14:04:01,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:04:01,667 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-12-13 14:04:01,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:04:01,781 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-12-13 14:04:01,781 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 14:04:01,781 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1327706030] [2022-12-13 14:04:01,781 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1327706030] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-13 14:04:01,781 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2145907491] [2022-12-13 14:04:01,781 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 14:04:01,781 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 14:04:01,781 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46c0f5c8-4702-42ee-a145-86c5b0b165a8/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 14:04:01,782 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46c0f5c8-4702-42ee-a145-86c5b0b165a8/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 14:04:01,783 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46c0f5c8-4702-42ee-a145-86c5b0b165a8/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-12-13 14:04:01,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:04:01,948 INFO L263 TraceCheckSpWp]: Trace formula consists of 430 conjuncts, 167 conjunts are in the unsatisfiable core [2022-12-13 14:04:01,954 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 14:04:02,001 INFO L321 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2022-12-13 14:04:02,001 INFO L350 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 2 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 21 [2022-12-13 14:04:02,045 INFO L350 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 23 treesize of output 23 [2022-12-13 14:04:02,056 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 14:04:02,057 INFO L350 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 17 treesize of output 7 [2022-12-13 14:04:02,117 INFO L321 Elim1Store]: treesize reduction 69, result has 33.0 percent of original size [2022-12-13 14:04:02,118 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 42 treesize of output 100 [2022-12-13 14:04:02,125 INFO L350 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 114 treesize of output 91 [2022-12-13 14:04:02,281 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 14:04:02,308 INFO L321 Elim1Store]: treesize reduction 44, result has 38.0 percent of original size [2022-12-13 14:04:02,308 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 2 case distinctions, treesize of input 153 treesize of output 121 [2022-12-13 14:04:02,312 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 14:04:02,315 INFO L350 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 50 treesize of output 43 [2022-12-13 14:04:02,321 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 14:04:02,342 INFO L321 Elim1Store]: treesize reduction 30, result has 40.0 percent of original size [2022-12-13 14:04:02,342 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 38 treesize of output 55 [2022-12-13 14:04:03,687 INFO L321 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2022-12-13 14:04:03,687 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 141 treesize of output 124 [2022-12-13 14:04:03,690 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 14:04:03,691 INFO L350 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 79 treesize of output 79 [2022-12-13 14:04:03,702 INFO L321 Elim1Store]: treesize reduction 17, result has 46.9 percent of original size [2022-12-13 14:04:03,703 INFO L350 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 1 new quantified variables, introduced 1 case distinctions, treesize of input 16 treesize of output 26 [2022-12-13 14:04:03,709 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 14:04:03,709 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 16 treesize of output 20 [2022-12-13 14:04:03,814 INFO L321 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2022-12-13 14:04:03,814 INFO L350 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 11 treesize of output 11 [2022-12-13 14:04:03,878 INFO L350 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 48 treesize of output 44 [2022-12-13 14:04:03,881 INFO L350 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 40 treesize of output 42 [2022-12-13 14:04:03,897 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 27 [2022-12-13 14:04:03,900 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 14:04:03,901 INFO L350 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 36 treesize of output 16 [2022-12-13 14:04:04,066 INFO L321 Elim1Store]: treesize reduction 61, result has 19.7 percent of original size [2022-12-13 14:04:04,067 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 137 treesize of output 148 [2022-12-13 14:04:04,071 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 14:04:04,077 INFO L321 Elim1Store]: treesize reduction 51, result has 1.9 percent of original size [2022-12-13 14:04:04,077 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 162 treesize of output 113 [2022-12-13 14:04:04,081 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 14:04:04,082 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 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 100 treesize of output 84 [2022-12-13 14:04:04,086 INFO L350 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 2 new quantified variables, introduced 0 case distinctions, treesize of input 67 treesize of output 59 [2022-12-13 14:04:04,090 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 14:04:04,099 INFO L321 Elim1Store]: treesize reduction 11, result has 45.0 percent of original size [2022-12-13 14:04:04,099 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 53 treesize of output 57 [2022-12-13 14:04:04,103 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 14:04:04,105 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 36 treesize of output 40 [2022-12-13 14:04:04,198 INFO L350 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 52 treesize of output 50 [2022-12-13 14:04:04,210 INFO L321 Elim1Store]: treesize reduction 37, result has 36.2 percent of original size [2022-12-13 14:04:04,210 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 59 treesize of output 72 [2022-12-13 14:04:04,488 INFO L350 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 18 [2022-12-13 14:04:04,490 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 11 [2022-12-13 14:04:04,525 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 14:04:04,526 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-13 14:04:05,129 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2145907491] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-13 14:04:05,129 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-12-13 14:04:05,129 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 15] total 28 [2022-12-13 14:04:05,129 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [380663602] [2022-12-13 14:04:05,129 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-12-13 14:04:05,130 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 29 states [2022-12-13 14:04:05,130 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 14:04:05,131 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2022-12-13 14:04:05,131 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=117, Invalid=1061, Unknown=12, NotChecked=0, Total=1190 [2022-12-13 14:04:05,131 INFO L87 Difference]: Start difference. First operand 274 states and 325 transitions. Second operand has 29 states, 29 states have (on average 2.5172413793103448) internal successors, (73), 19 states have internal predecessors, (73), 7 states have call successors, (7), 6 states have call predecessors, (7), 4 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2022-12-13 14:04:08,678 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 14:04:08,678 INFO L93 Difference]: Finished difference Result 378 states and 448 transitions. [2022-12-13 14:04:08,678 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2022-12-13 14:04:08,679 INFO L78 Accepts]: Start accepts. Automaton has has 29 states, 29 states have (on average 2.5172413793103448) internal successors, (73), 19 states have internal predecessors, (73), 7 states have call successors, (7), 6 states have call predecessors, (7), 4 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) Word has length 43 [2022-12-13 14:04:08,679 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 14:04:08,680 INFO L225 Difference]: With dead ends: 378 [2022-12-13 14:04:08,680 INFO L226 Difference]: Without dead ends: 375 [2022-12-13 14:04:08,681 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 97 GetRequests, 47 SyntacticMatches, 0 SemanticMatches, 50 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 413 ImplicationChecksByTransitivity, 3.4s TimeCoverageRelationStatistics Valid=346, Invalid=2287, Unknown=19, NotChecked=0, Total=2652 [2022-12-13 14:04:08,681 INFO L413 NwaCegarLoop]: 31 mSDtfsCounter, 1687 mSDsluCounter, 386 mSDsCounter, 0 mSdLazyCounter, 2260 mSolverCounterSat, 312 mSolverCounterUnsat, 61 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1687 SdHoareTripleChecker+Valid, 417 SdHoareTripleChecker+Invalid, 2633 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 312 IncrementalHoareTripleChecker+Valid, 2260 IncrementalHoareTripleChecker+Invalid, 61 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2022-12-13 14:04:08,682 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1687 Valid, 417 Invalid, 2633 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [312 Valid, 2260 Invalid, 61 Unknown, 0 Unchecked, 2.2s Time] [2022-12-13 14:04:08,682 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 375 states. [2022-12-13 14:04:08,721 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 375 to 277. [2022-12-13 14:04:08,722 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 277 states, 240 states have (on average 1.1958333333333333) internal successors, (287), 255 states have internal predecessors, (287), 29 states have call successors, (29), 10 states have call predecessors, (29), 7 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2022-12-13 14:04:08,722 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 277 states to 277 states and 327 transitions. [2022-12-13 14:04:08,723 INFO L78 Accepts]: Start accepts. Automaton has 277 states and 327 transitions. Word has length 43 [2022-12-13 14:04:08,723 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 14:04:08,723 INFO L495 AbstractCegarLoop]: Abstraction has 277 states and 327 transitions. [2022-12-13 14:04:08,723 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 29 states, 29 states have (on average 2.5172413793103448) internal successors, (73), 19 states have internal predecessors, (73), 7 states have call successors, (7), 6 states have call predecessors, (7), 4 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2022-12-13 14:04:08,723 INFO L276 IsEmpty]: Start isEmpty. Operand 277 states and 327 transitions. [2022-12-13 14:04:08,724 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2022-12-13 14:04:08,724 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 14:04:08,724 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 14:04:08,729 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46c0f5c8-4702-42ee-a145-86c5b0b165a8/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2022-12-13 14:04:08,924 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46c0f5c8-4702-42ee-a145-86c5b0b165a8/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 14:04:08,925 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting failErr0ASSERT_VIOLATIONERROR_FUNCTION === [failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 14:04:08,926 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 14:04:08,926 INFO L85 PathProgramCache]: Analyzing trace with hash -2001574846, now seen corresponding path program 1 times [2022-12-13 14:04:08,927 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 14:04:08,927 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [787354852] [2022-12-13 14:04:08,928 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 14:04:08,928 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 14:04:08,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:04:09,517 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-12-13 14:04:09,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:04:09,697 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 14:04:09,697 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 14:04:09,697 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [787354852] [2022-12-13 14:04:09,697 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [787354852] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 14:04:09,697 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 14:04:09,697 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-12-13 14:04:09,698 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1275465799] [2022-12-13 14:04:09,698 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 14:04:09,698 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-12-13 14:04:09,698 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 14:04:09,698 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-12-13 14:04:09,699 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=133, Unknown=0, NotChecked=0, Total=156 [2022-12-13 14:04:09,699 INFO L87 Difference]: Start difference. First operand 277 states and 327 transitions. Second operand has 13 states, 13 states have (on average 3.1538461538461537) internal successors, (41), 9 states have internal predecessors, (41), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-12-13 14:04:10,900 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 14:04:10,900 INFO L93 Difference]: Finished difference Result 292 states and 340 transitions. [2022-12-13 14:04:10,901 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-12-13 14:04:10,901 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 3.1538461538461537) internal successors, (41), 9 states have internal predecessors, (41), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 45 [2022-12-13 14:04:10,901 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 14:04:10,903 INFO L225 Difference]: With dead ends: 292 [2022-12-13 14:04:10,903 INFO L226 Difference]: Without dead ends: 289 [2022-12-13 14:04:10,903 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 42 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=93, Invalid=413, Unknown=0, NotChecked=0, Total=506 [2022-12-13 14:04:10,903 INFO L413 NwaCegarLoop]: 33 mSDtfsCounter, 371 mSDsluCounter, 262 mSDsCounter, 0 mSdLazyCounter, 1192 mSolverCounterSat, 38 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 371 SdHoareTripleChecker+Valid, 295 SdHoareTripleChecker+Invalid, 1230 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 38 IncrementalHoareTripleChecker+Valid, 1192 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-12-13 14:04:10,903 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [371 Valid, 295 Invalid, 1230 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [38 Valid, 1192 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-12-13 14:04:10,904 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 289 states. [2022-12-13 14:04:10,944 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 289 to 277. [2022-12-13 14:04:10,945 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 277 states, 240 states have (on average 1.1916666666666667) internal successors, (286), 255 states have internal predecessors, (286), 29 states have call successors, (29), 10 states have call predecessors, (29), 7 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2022-12-13 14:04:10,945 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 277 states to 277 states and 326 transitions. [2022-12-13 14:04:10,946 INFO L78 Accepts]: Start accepts. Automaton has 277 states and 326 transitions. Word has length 45 [2022-12-13 14:04:10,946 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 14:04:10,946 INFO L495 AbstractCegarLoop]: Abstraction has 277 states and 326 transitions. [2022-12-13 14:04:10,946 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 3.1538461538461537) internal successors, (41), 9 states have internal predecessors, (41), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-12-13 14:04:10,946 INFO L276 IsEmpty]: Start isEmpty. Operand 277 states and 326 transitions. [2022-12-13 14:04:10,946 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2022-12-13 14:04:10,946 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 14:04:10,946 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 14:04:10,947 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-12-13 14:04:10,947 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting failErr0ASSERT_VIOLATIONERROR_FUNCTION === [failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 14:04:10,947 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 14:04:10,947 INFO L85 PathProgramCache]: Analyzing trace with hash 438546823, now seen corresponding path program 1 times [2022-12-13 14:04:10,947 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 14:04:10,947 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1585949129] [2022-12-13 14:04:10,947 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 14:04:10,947 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 14:04:10,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:04:12,215 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-12-13 14:04:12,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:04:12,461 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-12-13 14:04:12,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:04:12,722 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-12-13 14:04:12,722 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 14:04:12,722 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1585949129] [2022-12-13 14:04:12,722 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1585949129] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-13 14:04:12,722 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1693844173] [2022-12-13 14:04:12,722 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 14:04:12,722 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 14:04:12,723 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46c0f5c8-4702-42ee-a145-86c5b0b165a8/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 14:04:12,723 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46c0f5c8-4702-42ee-a145-86c5b0b165a8/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 14:04:12,724 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46c0f5c8-4702-42ee-a145-86c5b0b165a8/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-12-13 14:04:12,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:04:12,877 INFO L263 TraceCheckSpWp]: Trace formula consists of 436 conjuncts, 199 conjunts are in the unsatisfiable core [2022-12-13 14:04:12,886 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 14:04:12,946 INFO L321 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2022-12-13 14:04:12,946 INFO L350 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 2 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 21 [2022-12-13 14:04:13,029 INFO L350 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 23 treesize of output 23 [2022-12-13 14:04:13,046 INFO L350 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 23 treesize of output 23 [2022-12-13 14:04:13,058 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 14:04:13,059 INFO L350 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 17 treesize of output 7 [2022-12-13 14:04:13,064 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 14:04:13,065 INFO L350 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 17 treesize of output 7 [2022-12-13 14:04:13,288 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 14:04:13,289 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-13 14:04:13,293 INFO L321 Elim1Store]: treesize reduction 27, result has 3.6 percent of original size [2022-12-13 14:04:13,293 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 1 case distinctions, treesize of input 166 treesize of output 115 [2022-12-13 14:04:13,299 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 98 treesize of output 88 [2022-12-13 14:04:13,304 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 14:04:13,307 INFO L350 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 28 [2022-12-13 14:04:13,311 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 14:04:13,313 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 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 62 treesize of output 38 [2022-12-13 14:04:13,317 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 14:04:13,328 INFO L321 Elim1Store]: treesize reduction 48, result has 18.6 percent of original size [2022-12-13 14:04:13,328 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 56 treesize of output 52 [2022-12-13 14:04:13,334 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 14:04:13,335 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 23 [2022-12-13 14:04:13,344 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 19 [2022-12-13 14:04:13,428 INFO L321 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2022-12-13 14:04:13,428 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 77 treesize of output 68 [2022-12-13 14:04:13,436 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 14:04:13,436 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 14:04:13,437 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 14:04:13,437 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-13 14:04:13,440 INFO L321 Elim1Store]: treesize reduction 11, result has 8.3 percent of original size [2022-12-13 14:04:13,440 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 54 treesize of output 63 [2022-12-13 14:04:13,605 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 14:04:13,614 INFO L321 Elim1Store]: treesize reduction 8, result has 61.9 percent of original size [2022-12-13 14:04:13,614 INFO L350 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 20 treesize of output 22 [2022-12-13 14:04:13,713 INFO L350 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 72 treesize of output 62 [2022-12-13 14:04:13,724 INFO L321 Elim1Store]: treesize reduction 11, result has 8.3 percent of original size [2022-12-13 14:04:13,724 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 60 treesize of output 47 [2022-12-13 14:04:13,743 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 14:04:13,744 INFO L350 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 58 treesize of output 32 [2022-12-13 14:04:13,747 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 14:04:13,748 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-13 14:04:13,749 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 14:04:13,749 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 14:04:13,753 INFO L321 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2022-12-13 14:04:13,753 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 6 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 38 treesize of output 20 [2022-12-13 14:04:13,938 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 14:04:13,965 INFO L321 Elim1Store]: treesize reduction 54, result has 23.9 percent of original size [2022-12-13 14:04:13,965 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 2 case distinctions, treesize of input 172 treesize of output 118 [2022-12-13 14:04:13,970 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 14:04:13,987 INFO L321 Elim1Store]: treesize reduction 42, result has 10.6 percent of original size [2022-12-13 14:04:13,987 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 146 treesize of output 127 [2022-12-13 14:04:13,992 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 14:04:13,993 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 116 treesize of output 98 [2022-12-13 14:04:14,004 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 14:04:14,005 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-13 14:04:14,065 INFO L321 Elim1Store]: treesize reduction 124, result has 38.6 percent of original size [2022-12-13 14:04:14,066 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 8 disjoint index pairs (out of 10 index pairs), introduced 6 new quantified variables, introduced 9 case distinctions, treesize of input 123 treesize of output 125 [2022-12-13 14:04:14,070 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 14:04:14,082 INFO L321 Elim1Store]: treesize reduction 50, result has 18.0 percent of original size [2022-12-13 14:04:14,083 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 107 treesize of output 75 [2022-12-13 14:04:14,142 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 14:04:14,142 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 16 treesize of output 20 [2022-12-13 14:04:14,359 INFO L321 Elim1Store]: treesize reduction 36, result has 23.4 percent of original size [2022-12-13 14:04:14,360 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 339 treesize of output 268 [2022-12-13 14:04:14,373 INFO L321 Elim1Store]: treesize reduction 13, result has 7.1 percent of original size [2022-12-13 14:04:14,373 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 316 treesize of output 209 [2022-12-13 14:04:16,471 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-13 14:04:16,471 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 14:04:16,472 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 14:04:16,514 INFO L321 Elim1Store]: treesize reduction 55, result has 43.3 percent of original size [2022-12-13 14:04:16,514 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 8 select indices, 8 select index equivalence classes, 10 disjoint index pairs (out of 28 index pairs), introduced 9 new quantified variables, introduced 27 case distinctions, treesize of input 291 treesize of output 193 [2022-12-13 14:04:16,563 INFO L321 Elim1Store]: treesize reduction 37, result has 50.7 percent of original size [2022-12-13 14:04:16,563 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 7 select indices, 7 select index equivalence classes, 8 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 9 case distinctions, treesize of input 156 treesize of output 119 [2022-12-13 14:04:17,374 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 14:04:17,374 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-13 14:04:17,647 WARN L837 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_2006 (Array Int Int)) (v_ArrVal_2005 (Array Int Int))) (let ((.cse0 (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_gl_insert_~node~1#1.base| v_ArrVal_2006)) (.cse3 (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_gl_insert_~node~1#1.base| v_ArrVal_2005)) (.cse4 (+ |c_~#gl_list~0.offset| 4))) (let ((.cse1 (select (select .cse3 |c_~#gl_list~0.base|) .cse4)) (.cse2 (select (select .cse0 |c_~#gl_list~0.base|) .cse4))) (or (not (= (select (select .cse0 .cse1) .cse2) .cse2)) (not (= .cse1 (select (select .cse3 .cse1) .cse2))))))) is different from false [2022-12-13 14:04:17,859 WARN L837 $PredicateComparison]: unable to prove that (forall ((|v_list_add___list_add_~next#1.offset_11| Int) (v_ArrVal_2006 (Array Int Int)) (v_ArrVal_2005 (Array Int Int)) (v_ArrVal_2035 Int) (v_ArrVal_2036 (Array Int Int)) (v_ArrVal_2034 (Array Int Int)) (v_ArrVal_2033 (Array Int Int)) (v_ArrVal_2032 (Array Int Int))) (let ((.cse6 (select (select |c_#memory_$Pointer$.base| |c_~#gl_list~0.base|) |c_~#gl_list~0.offset|)) (.cse7 (+ |v_list_add___list_add_~next#1.offset_11| 4))) (let ((.cse1 (store (let ((.cse8 (store |c_#memory_$Pointer$.offset| .cse6 (store (select |c_#memory_$Pointer$.offset| .cse6) .cse7 (+ |c_ULTIMATE.start_gl_insert_~node~1#1.offset| 4))))) (store (store .cse8 |c_ULTIMATE.start_gl_insert_~node~1#1.base| v_ArrVal_2036) |c_~#gl_list~0.base| (store (select (store .cse8 |c_ULTIMATE.start_gl_insert_~node~1#1.base| v_ArrVal_2032) |c_~#gl_list~0.base|) |c_~#gl_list~0.offset| v_ArrVal_2035))) |c_ULTIMATE.start_gl_insert_~node~1#1.base| v_ArrVal_2006)) (.cse3 (store (let ((.cse5 (store |c_#memory_$Pointer$.base| .cse6 (store (select |c_#memory_$Pointer$.base| .cse6) .cse7 |c_ULTIMATE.start_gl_insert_~node~1#1.base|)))) (store (store .cse5 |c_ULTIMATE.start_gl_insert_~node~1#1.base| v_ArrVal_2033) |c_~#gl_list~0.base| (store (select (store .cse5 |c_ULTIMATE.start_gl_insert_~node~1#1.base| v_ArrVal_2034) |c_~#gl_list~0.base|) |c_~#gl_list~0.offset| |c_ULTIMATE.start_gl_insert_~node~1#1.base|))) |c_ULTIMATE.start_gl_insert_~node~1#1.base| v_ArrVal_2005)) (.cse4 (+ |c_~#gl_list~0.offset| 4))) (let ((.cse2 (select (select .cse3 |c_~#gl_list~0.base|) .cse4)) (.cse0 (select (select .cse1 |c_~#gl_list~0.base|) .cse4))) (or (not (= .cse0 (select (select .cse1 .cse2) .cse0))) (not (= .cse2 (select (select .cse3 .cse2) .cse0)))))))) is different from false [2022-12-13 14:04:17,861 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1693844173] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-13 14:04:17,861 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-12-13 14:04:17,861 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 16] total 30 [2022-12-13 14:04:17,861 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1534688752] [2022-12-13 14:04:17,861 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-12-13 14:04:17,862 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 31 states [2022-12-13 14:04:17,862 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 14:04:17,862 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2022-12-13 14:04:17,863 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=111, Invalid=1152, Unknown=5, NotChecked=138, Total=1406 [2022-12-13 14:04:17,863 INFO L87 Difference]: Start difference. First operand 277 states and 326 transitions. Second operand has 31 states, 31 states have (on average 2.5483870967741935) internal successors, (79), 21 states have internal predecessors, (79), 7 states have call successors, (7), 6 states have call predecessors, (7), 4 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2022-12-13 14:04:26,495 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 14:04:26,496 INFO L93 Difference]: Finished difference Result 447 states and 523 transitions. [2022-12-13 14:04:26,496 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2022-12-13 14:04:26,496 INFO L78 Accepts]: Start accepts. Automaton has has 31 states, 31 states have (on average 2.5483870967741935) internal successors, (79), 21 states have internal predecessors, (79), 7 states have call successors, (7), 6 states have call predecessors, (7), 4 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) Word has length 46 [2022-12-13 14:04:26,496 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 14:04:26,497 INFO L225 Difference]: With dead ends: 447 [2022-12-13 14:04:26,497 INFO L226 Difference]: Without dead ends: 444 [2022-12-13 14:04:26,498 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 106 GetRequests, 51 SyntacticMatches, 0 SemanticMatches, 55 ConstructedPredicates, 2 IntricatePredicates, 0 DeprecatedPredicates, 504 ImplicationChecksByTransitivity, 5.5s TimeCoverageRelationStatistics Valid=334, Invalid=2636, Unknown=8, NotChecked=214, Total=3192 [2022-12-13 14:04:26,498 INFO L413 NwaCegarLoop]: 54 mSDtfsCounter, 1129 mSDsluCounter, 792 mSDsCounter, 0 mSdLazyCounter, 3943 mSolverCounterSat, 162 mSolverCounterUnsat, 7 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1129 SdHoareTripleChecker+Valid, 846 SdHoareTripleChecker+Invalid, 4112 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 162 IncrementalHoareTripleChecker+Valid, 3943 IncrementalHoareTripleChecker+Invalid, 7 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.7s IncrementalHoareTripleChecker+Time [2022-12-13 14:04:26,498 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1129 Valid, 846 Invalid, 4112 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [162 Valid, 3943 Invalid, 7 Unknown, 0 Unchecked, 4.7s Time] [2022-12-13 14:04:26,499 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 444 states. [2022-12-13 14:04:26,569 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 444 to 385. [2022-12-13 14:04:26,570 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 385 states, 339 states have (on average 1.1858407079646018) internal successors, (402), 355 states have internal predecessors, (402), 35 states have call successors, (35), 14 states have call predecessors, (35), 10 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2022-12-13 14:04:26,571 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 385 states to 385 states and 452 transitions. [2022-12-13 14:04:26,571 INFO L78 Accepts]: Start accepts. Automaton has 385 states and 452 transitions. Word has length 46 [2022-12-13 14:04:26,571 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 14:04:26,571 INFO L495 AbstractCegarLoop]: Abstraction has 385 states and 452 transitions. [2022-12-13 14:04:26,571 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 31 states, 31 states have (on average 2.5483870967741935) internal successors, (79), 21 states have internal predecessors, (79), 7 states have call successors, (7), 6 states have call predecessors, (7), 4 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2022-12-13 14:04:26,571 INFO L276 IsEmpty]: Start isEmpty. Operand 385 states and 452 transitions. [2022-12-13 14:04:26,572 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2022-12-13 14:04:26,572 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 14:04:26,572 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 14:04:26,577 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46c0f5c8-4702-42ee-a145-86c5b0b165a8/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-12-13 14:04:26,772 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46c0f5c8-4702-42ee-a145-86c5b0b165a8/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 14:04:26,772 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting failErr0ASSERT_VIOLATIONERROR_FUNCTION === [failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 14:04:26,772 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 14:04:26,772 INFO L85 PathProgramCache]: Analyzing trace with hash -2049301828, now seen corresponding path program 1 times [2022-12-13 14:04:26,773 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 14:04:26,773 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1397689250] [2022-12-13 14:04:26,773 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 14:04:26,773 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 14:04:26,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:04:26,826 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-12-13 14:04:26,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:04:26,831 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 14:04:26,831 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 14:04:26,831 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1397689250] [2022-12-13 14:04:26,832 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1397689250] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 14:04:26,832 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 14:04:26,832 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-12-13 14:04:26,832 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [905927612] [2022-12-13 14:04:26,832 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 14:04:26,832 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-13 14:04:26,832 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 14:04:26,832 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-13 14:04:26,832 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-12-13 14:04:26,833 INFO L87 Difference]: Start difference. First operand 385 states and 452 transitions. Second operand has 6 states, 6 states have (on average 7.333333333333333) internal successors, (44), 5 states have internal predecessors, (44), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-12-13 14:04:27,141 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 14:04:27,141 INFO L93 Difference]: Finished difference Result 387 states and 453 transitions. [2022-12-13 14:04:27,142 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-13 14:04:27,142 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.333333333333333) internal successors, (44), 5 states have internal predecessors, (44), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 48 [2022-12-13 14:04:27,142 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 14:04:27,143 INFO L225 Difference]: With dead ends: 387 [2022-12-13 14:04:27,143 INFO L226 Difference]: Without dead ends: 384 [2022-12-13 14:04:27,143 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2022-12-13 14:04:27,144 INFO L413 NwaCegarLoop]: 42 mSDtfsCounter, 106 mSDsluCounter, 132 mSDsCounter, 0 mSdLazyCounter, 321 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 106 SdHoareTripleChecker+Valid, 174 SdHoareTripleChecker+Invalid, 332 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 321 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-12-13 14:04:27,144 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [106 Valid, 174 Invalid, 332 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 321 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-12-13 14:04:27,144 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 384 states. [2022-12-13 14:04:27,213 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 384 to 384. [2022-12-13 14:04:27,214 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 384 states, 339 states have (on average 1.1740412979351031) internal successors, (398), 354 states have internal predecessors, (398), 34 states have call successors, (34), 14 states have call predecessors, (34), 10 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2022-12-13 14:04:27,215 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 384 states to 384 states and 447 transitions. [2022-12-13 14:04:27,215 INFO L78 Accepts]: Start accepts. Automaton has 384 states and 447 transitions. Word has length 48 [2022-12-13 14:04:27,215 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 14:04:27,215 INFO L495 AbstractCegarLoop]: Abstraction has 384 states and 447 transitions. [2022-12-13 14:04:27,216 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.333333333333333) internal successors, (44), 5 states have internal predecessors, (44), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-12-13 14:04:27,216 INFO L276 IsEmpty]: Start isEmpty. Operand 384 states and 447 transitions. [2022-12-13 14:04:27,216 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2022-12-13 14:04:27,216 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 14:04:27,216 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 14:04:27,216 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-12-13 14:04:27,216 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting failErr0ASSERT_VIOLATIONERROR_FUNCTION === [failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 14:04:27,216 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 14:04:27,217 INFO L85 PathProgramCache]: Analyzing trace with hash -764602366, now seen corresponding path program 1 times [2022-12-13 14:04:27,217 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 14:04:27,217 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1678206090] [2022-12-13 14:04:27,217 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 14:04:27,217 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 14:04:27,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:04:28,875 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-12-13 14:04:28,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:04:29,098 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-12-13 14:04:29,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:04:29,347 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-12-13 14:04:29,347 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 14:04:29,348 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1678206090] [2022-12-13 14:04:29,348 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1678206090] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-13 14:04:29,348 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [183907769] [2022-12-13 14:04:29,348 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 14:04:29,348 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 14:04:29,348 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46c0f5c8-4702-42ee-a145-86c5b0b165a8/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 14:04:29,349 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46c0f5c8-4702-42ee-a145-86c5b0b165a8/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 14:04:29,349 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46c0f5c8-4702-42ee-a145-86c5b0b165a8/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-12-13 14:04:29,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:04:29,499 INFO L263 TraceCheckSpWp]: Trace formula consists of 442 conjuncts, 178 conjunts are in the unsatisfiable core [2022-12-13 14:04:29,503 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 14:04:29,574 INFO L321 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2022-12-13 14:04:29,574 INFO L350 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 2 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 21 [2022-12-13 14:04:29,641 INFO L350 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 23 treesize of output 23 [2022-12-13 14:04:29,647 INFO L350 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 16 treesize of output 18 [2022-12-13 14:04:29,661 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 14:04:29,661 INFO L350 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 17 treesize of output 7 [2022-12-13 14:04:29,664 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 3 [2022-12-13 14:04:29,863 INFO L321 Elim1Store]: treesize reduction 73, result has 3.9 percent of original size [2022-12-13 14:04:29,863 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 101 treesize of output 116 [2022-12-13 14:04:29,869 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 14:04:29,895 INFO L321 Elim1Store]: treesize reduction 24, result has 48.9 percent of original size [2022-12-13 14:04:29,896 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 92 treesize of output 94 [2022-12-13 14:04:29,901 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 54 [2022-12-13 14:04:29,925 INFO L321 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2022-12-13 14:04:29,926 INFO L350 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 1 case distinctions, treesize of input 64 treesize of output 58 [2022-12-13 14:04:30,814 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 14:04:30,816 INFO L350 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 113 treesize of output 113 [2022-12-13 14:04:30,819 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 14:04:30,821 INFO L350 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 85 treesize of output 85 [2022-12-13 14:04:30,824 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 14:04:30,824 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 78 treesize of output 82 [2022-12-13 14:04:30,827 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 14:04:30,828 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 79 treesize of output 85 [2022-12-13 14:04:30,832 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 14:04:30,832 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 76 treesize of output 80 [2022-12-13 14:04:30,837 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 14:04:30,837 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 69 treesize of output 73 [2022-12-13 14:04:30,869 INFO L350 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 7 treesize of output 5 [2022-12-13 14:04:30,885 INFO L350 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 23 treesize of output 17 [2022-12-13 14:04:30,913 INFO L350 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 5 treesize of output 3 [2022-12-13 14:04:30,935 INFO L350 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 5 treesize of output 3 [2022-12-13 14:04:31,185 INFO L321 Elim1Store]: treesize reduction 20, result has 39.4 percent of original size [2022-12-13 14:04:31,185 INFO L350 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 98 [2022-12-13 14:04:31,329 INFO L350 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 88 treesize of output 80 [2022-12-13 14:04:31,335 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 80 treesize of output 76 [2022-12-13 14:04:31,369 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 14:04:31,369 INFO L350 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 17 treesize of output 7 [2022-12-13 14:04:31,372 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 14:04:31,372 INFO L350 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 18 treesize of output 8 [2022-12-13 14:04:31,540 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 14:04:31,564 INFO L321 Elim1Store]: treesize reduction 70, result has 19.5 percent of original size [2022-12-13 14:04:31,564 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 2 case distinctions, treesize of input 174 treesize of output 126 [2022-12-13 14:04:31,568 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 14:04:31,583 INFO L321 Elim1Store]: treesize reduction 42, result has 10.6 percent of original size [2022-12-13 14:04:31,583 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 144 treesize of output 131 [2022-12-13 14:04:31,587 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 14:04:31,587 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 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 120 treesize of output 106 [2022-12-13 14:04:31,591 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 14:04:31,606 INFO L321 Elim1Store]: treesize reduction 34, result has 24.4 percent of original size [2022-12-13 14:04:31,606 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 117 treesize of output 150 [2022-12-13 14:04:31,614 INFO L350 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 8 treesize of output 7 [2022-12-13 14:04:31,620 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 14:04:31,622 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 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 73 treesize of output 67 [2022-12-13 14:04:31,939 INFO L321 Elim1Store]: treesize reduction 48, result has 23.8 percent of original size [2022-12-13 14:04:31,939 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 5 case distinctions, treesize of input 231 treesize of output 228 [2022-12-13 14:04:31,945 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 14:04:31,984 INFO L321 Elim1Store]: treesize reduction 92, result has 24.0 percent of original size [2022-12-13 14:04:31,984 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 7 case distinctions, treesize of input 270 treesize of output 252 [2022-12-13 14:04:32,004 INFO L350 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 5 treesize of output 3 [2022-12-13 14:04:32,021 INFO L350 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 5 treesize of output 3 [2022-12-13 14:04:34,942 INFO L350 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 22 treesize of output 10 [2022-12-13 14:04:35,022 INFO L321 Elim1Store]: treesize reduction 5, result has 37.5 percent of original size [2022-12-13 14:04:35,022 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 51 treesize of output 25 [2022-12-13 14:04:35,064 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 14:04:35,065 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-13 14:04:35,428 WARN L837 $PredicateComparison]: unable to prove that (let ((.cse2 (+ |c_~#gl_list~0.offset| 4))) (and (forall ((v_ArrVal_2488 (Array Int Int)) (v_ArrVal_2487 (Array Int Int))) (let ((.cse1 (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_gl_insert_~node~1#1.base| v_ArrVal_2488))) (let ((.cse0 (select (select .cse1 |c_~#gl_list~0.base|) .cse2))) (or (= .cse0 |c_~#gl_list~0.base|) (not (= .cse0 (select (select .cse1 .cse0) (+ (select (select (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_gl_insert_~node~1#1.base| v_ArrVal_2487) |c_~#gl_list~0.base|) .cse2) 4)))))))) (forall ((v_ArrVal_2488 (Array Int Int)) (v_ArrVal_2487 (Array Int Int))) (let ((.cse3 (select (select (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_gl_insert_~node~1#1.base| v_ArrVal_2487) |c_~#gl_list~0.base|) .cse2))) (or (= |c_~#gl_list~0.offset| .cse3) (not (let ((.cse5 (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_gl_insert_~node~1#1.base| v_ArrVal_2488))) (let ((.cse4 (select (select .cse5 |c_~#gl_list~0.base|) .cse2))) (= .cse4 (select (select .cse5 .cse4) (+ .cse3 4))))))))))) is different from false [2022-12-13 14:04:35,649 WARN L837 $PredicateComparison]: unable to prove that (let ((.cse5 (select (select |c_#memory_$Pointer$.base| |c_~#gl_list~0.base|) |c_~#gl_list~0.offset|))) (let ((.cse6 (+ |c_ULTIMATE.start_gl_insert_~node~1#1.offset| 4)) (.cse3 (+ |c_~#gl_list~0.offset| 4)) (.cse4 (store |c_#memory_$Pointer$.base| .cse5 (store (select |c_#memory_$Pointer$.base| .cse5) (+ (select (select |c_#memory_$Pointer$.offset| |c_~#gl_list~0.base|) |c_~#gl_list~0.offset|) 4) |c_ULTIMATE.start_gl_insert_~node~1#1.base|)))) (and (forall ((v_ArrVal_2517 (Array Int Int)) (v_ArrVal_2516 (Array Int Int)) (v_ArrVal_2515 (Array Int Int)) (v_ArrVal_2513 (Array Int Int)) (v_ArrVal_2512 (Array Int Int)) (v_ArrVal_2488 (Array Int Int)) (v_ArrVal_2487 (Array Int Int)) (v_ArrVal_2514 Int) (v_ArrVal_2518 (Array Int Int))) (let ((.cse0 (select (select (store (store (store (store |c_#memory_$Pointer$.offset| .cse5 v_ArrVal_2518) |c_ULTIMATE.start_gl_insert_~node~1#1.base| v_ArrVal_2515) |c_~#gl_list~0.base| (store (select (store (store |c_#memory_$Pointer$.offset| .cse5 v_ArrVal_2516) |c_ULTIMATE.start_gl_insert_~node~1#1.base| v_ArrVal_2512) |c_~#gl_list~0.base|) |c_~#gl_list~0.offset| .cse6)) |c_ULTIMATE.start_gl_insert_~node~1#1.base| v_ArrVal_2487) |c_~#gl_list~0.base|) .cse3))) (or (= |c_~#gl_list~0.offset| .cse0) (not (let ((.cse1 (store (store (store .cse4 |c_ULTIMATE.start_gl_insert_~node~1#1.base| v_ArrVal_2513) |c_~#gl_list~0.base| (store (select (store .cse4 |c_ULTIMATE.start_gl_insert_~node~1#1.base| v_ArrVal_2517) |c_~#gl_list~0.base|) |c_~#gl_list~0.offset| v_ArrVal_2514)) |c_ULTIMATE.start_gl_insert_~node~1#1.base| v_ArrVal_2488))) (let ((.cse2 (select (select .cse1 |c_~#gl_list~0.base|) .cse3))) (= (select (select .cse1 .cse2) (+ .cse0 4)) .cse2))))))) (forall ((v_ArrVal_2517 (Array Int Int)) (v_ArrVal_2516 (Array Int Int)) (v_ArrVal_2515 (Array Int Int)) (v_ArrVal_2513 (Array Int Int)) (v_ArrVal_2512 (Array Int Int)) (v_ArrVal_2488 (Array Int Int)) (v_ArrVal_2487 (Array Int Int)) (v_ArrVal_2514 Int) (v_ArrVal_2518 (Array Int Int))) (let ((.cse8 (store (store (store .cse4 |c_ULTIMATE.start_gl_insert_~node~1#1.base| v_ArrVal_2513) |c_~#gl_list~0.base| (store (select (store .cse4 |c_ULTIMATE.start_gl_insert_~node~1#1.base| v_ArrVal_2517) |c_~#gl_list~0.base|) |c_~#gl_list~0.offset| v_ArrVal_2514)) |c_ULTIMATE.start_gl_insert_~node~1#1.base| v_ArrVal_2488))) (let ((.cse7 (select (select .cse8 |c_~#gl_list~0.base|) .cse3))) (or (= .cse7 |c_~#gl_list~0.base|) (not (= (select (select .cse8 .cse7) (+ (select (select (store (store (store (store |c_#memory_$Pointer$.offset| .cse5 v_ArrVal_2518) |c_ULTIMATE.start_gl_insert_~node~1#1.base| v_ArrVal_2515) |c_~#gl_list~0.base| (store (select (store (store |c_#memory_$Pointer$.offset| .cse5 v_ArrVal_2516) |c_ULTIMATE.start_gl_insert_~node~1#1.base| v_ArrVal_2512) |c_~#gl_list~0.base|) |c_~#gl_list~0.offset| .cse6)) |c_ULTIMATE.start_gl_insert_~node~1#1.base| v_ArrVal_2487) |c_~#gl_list~0.base|) .cse3) 4)) .cse7))))))))) is different from false [2022-12-13 14:04:35,651 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [183907769] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-13 14:04:35,651 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-12-13 14:04:35,651 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 18] total 32 [2022-12-13 14:04:35,652 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1594254452] [2022-12-13 14:04:35,652 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-12-13 14:04:35,652 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 33 states [2022-12-13 14:04:35,652 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 14:04:35,652 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 33 interpolants. [2022-12-13 14:04:35,653 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=120, Invalid=1441, Unknown=7, NotChecked=154, Total=1722 [2022-12-13 14:04:35,653 INFO L87 Difference]: Start difference. First operand 384 states and 447 transitions. Second operand has 33 states, 33 states have (on average 2.5757575757575757) internal successors, (85), 23 states have internal predecessors, (85), 7 states have call successors, (7), 6 states have call predecessors, (7), 4 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2022-12-13 14:04:41,264 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 14:04:41,264 INFO L93 Difference]: Finished difference Result 443 states and 512 transitions. [2022-12-13 14:04:41,265 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2022-12-13 14:04:41,265 INFO L78 Accepts]: Start accepts. Automaton has has 33 states, 33 states have (on average 2.5757575757575757) internal successors, (85), 23 states have internal predecessors, (85), 7 states have call successors, (7), 6 states have call predecessors, (7), 4 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) Word has length 49 [2022-12-13 14:04:41,265 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 14:04:41,267 INFO L225 Difference]: With dead ends: 443 [2022-12-13 14:04:41,267 INFO L226 Difference]: Without dead ends: 440 [2022-12-13 14:04:41,268 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 110 GetRequests, 53 SyntacticMatches, 0 SemanticMatches, 57 ConstructedPredicates, 2 IntricatePredicates, 0 DeprecatedPredicates, 461 ImplicationChecksByTransitivity, 6.1s TimeCoverageRelationStatistics Valid=292, Invalid=2901, Unknown=7, NotChecked=222, Total=3422 [2022-12-13 14:04:41,268 INFO L413 NwaCegarLoop]: 54 mSDtfsCounter, 848 mSDsluCounter, 826 mSDsCounter, 0 mSdLazyCounter, 3772 mSolverCounterSat, 128 mSolverCounterUnsat, 70 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 848 SdHoareTripleChecker+Valid, 880 SdHoareTripleChecker+Invalid, 3970 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 128 IncrementalHoareTripleChecker+Valid, 3772 IncrementalHoareTripleChecker+Invalid, 70 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.7s IncrementalHoareTripleChecker+Time [2022-12-13 14:04:41,269 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [848 Valid, 880 Invalid, 3970 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [128 Valid, 3772 Invalid, 70 Unknown, 0 Unchecked, 3.7s Time] [2022-12-13 14:04:41,269 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 440 states. [2022-12-13 14:04:41,342 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 440 to 387. [2022-12-13 14:04:41,343 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 387 states, 342 states have (on average 1.1695906432748537) internal successors, (400), 357 states have internal predecessors, (400), 34 states have call successors, (34), 14 states have call predecessors, (34), 10 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2022-12-13 14:04:41,344 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 387 states to 387 states and 449 transitions. [2022-12-13 14:04:41,344 INFO L78 Accepts]: Start accepts. Automaton has 387 states and 449 transitions. Word has length 49 [2022-12-13 14:04:41,344 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 14:04:41,344 INFO L495 AbstractCegarLoop]: Abstraction has 387 states and 449 transitions. [2022-12-13 14:04:41,345 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 33 states, 33 states have (on average 2.5757575757575757) internal successors, (85), 23 states have internal predecessors, (85), 7 states have call successors, (7), 6 states have call predecessors, (7), 4 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2022-12-13 14:04:41,345 INFO L276 IsEmpty]: Start isEmpty. Operand 387 states and 449 transitions. [2022-12-13 14:04:41,345 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2022-12-13 14:04:41,345 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 14:04:41,345 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 14:04:41,350 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46c0f5c8-4702-42ee-a145-86c5b0b165a8/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2022-12-13 14:04:41,546 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46c0f5c8-4702-42ee-a145-86c5b0b165a8/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2022-12-13 14:04:41,547 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting failErr0ASSERT_VIOLATIONERROR_FUNCTION === [failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 14:04:41,548 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 14:04:41,548 INFO L85 PathProgramCache]: Analyzing trace with hash 2059695343, now seen corresponding path program 1 times [2022-12-13 14:04:41,548 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 14:04:41,549 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [131037941] [2022-12-13 14:04:41,549 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 14:04:41,549 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 14:04:41,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:04:41,699 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-12-13 14:04:41,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:04:41,707 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 14:04:41,707 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 14:04:41,707 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [131037941] [2022-12-13 14:04:41,707 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [131037941] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 14:04:41,707 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 14:04:41,707 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-12-13 14:04:41,707 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [204842350] [2022-12-13 14:04:41,707 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 14:04:41,708 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-12-13 14:04:41,708 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 14:04:41,708 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-12-13 14:04:41,708 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2022-12-13 14:04:41,709 INFO L87 Difference]: Start difference. First operand 387 states and 449 transitions. Second operand has 10 states, 10 states have (on average 4.7) internal successors, (47), 9 states have internal predecessors, (47), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-12-13 14:04:42,260 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 14:04:42,260 INFO L93 Difference]: Finished difference Result 389 states and 450 transitions. [2022-12-13 14:04:42,261 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-12-13 14:04:42,261 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 4.7) internal successors, (47), 9 states have internal predecessors, (47), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 51 [2022-12-13 14:04:42,261 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 14:04:42,262 INFO L225 Difference]: With dead ends: 389 [2022-12-13 14:04:42,262 INFO L226 Difference]: Without dead ends: 386 [2022-12-13 14:04:42,263 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=57, Invalid=183, Unknown=0, NotChecked=0, Total=240 [2022-12-13 14:04:42,263 INFO L413 NwaCegarLoop]: 42 mSDtfsCounter, 163 mSDsluCounter, 264 mSDsCounter, 0 mSdLazyCounter, 606 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 163 SdHoareTripleChecker+Valid, 306 SdHoareTripleChecker+Invalid, 617 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 606 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-12-13 14:04:42,263 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [163 Valid, 306 Invalid, 617 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 606 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-12-13 14:04:42,264 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 386 states. [2022-12-13 14:04:42,346 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 386 to 386. [2022-12-13 14:04:42,347 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 386 states, 342 states have (on average 1.1578947368421053) internal successors, (396), 356 states have internal predecessors, (396), 33 states have call successors, (33), 14 states have call predecessors, (33), 10 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2022-12-13 14:04:42,348 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 386 states to 386 states and 444 transitions. [2022-12-13 14:04:42,348 INFO L78 Accepts]: Start accepts. Automaton has 386 states and 444 transitions. Word has length 51 [2022-12-13 14:04:42,348 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 14:04:42,348 INFO L495 AbstractCegarLoop]: Abstraction has 386 states and 444 transitions. [2022-12-13 14:04:42,348 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 4.7) internal successors, (47), 9 states have internal predecessors, (47), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-12-13 14:04:42,348 INFO L276 IsEmpty]: Start isEmpty. Operand 386 states and 444 transitions. [2022-12-13 14:04:42,348 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2022-12-13 14:04:42,348 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 14:04:42,349 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 14:04:42,349 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-12-13 14:04:42,349 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting failErr0ASSERT_VIOLATIONERROR_FUNCTION === [failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 14:04:42,349 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 14:04:42,349 INFO L85 PathProgramCache]: Analyzing trace with hash 2029277591, now seen corresponding path program 1 times [2022-12-13 14:04:42,349 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 14:04:42,349 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1963942661] [2022-12-13 14:04:42,349 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 14:04:42,349 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 14:04:42,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:04:43,278 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-12-13 14:04:43,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:04:43,517 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-12-13 14:04:43,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:04:43,681 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-12-13 14:04:43,681 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 14:04:43,681 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1963942661] [2022-12-13 14:04:43,681 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1963942661] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-13 14:04:43,681 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [192291717] [2022-12-13 14:04:43,681 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 14:04:43,682 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 14:04:43,682 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46c0f5c8-4702-42ee-a145-86c5b0b165a8/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 14:04:43,682 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46c0f5c8-4702-42ee-a145-86c5b0b165a8/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 14:04:43,683 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46c0f5c8-4702-42ee-a145-86c5b0b165a8/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-12-13 14:04:43,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:04:43,877 INFO L263 TraceCheckSpWp]: Trace formula consists of 448 conjuncts, 132 conjunts are in the unsatisfiable core [2022-12-13 14:04:43,883 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 14:04:43,937 INFO L321 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2022-12-13 14:04:43,937 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 21 [2022-12-13 14:04:43,990 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 16 [2022-12-13 14:04:43,997 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 16 [2022-12-13 14:04:44,009 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 3 [2022-12-13 14:04:44,012 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 3 [2022-12-13 14:04:44,124 INFO L321 Elim1Store]: treesize reduction 77, result has 3.8 percent of original size [2022-12-13 14:04:44,125 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 54 treesize of output 68 [2022-12-13 14:04:44,128 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 14:04:44,130 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 30 [2022-12-13 14:04:44,133 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 17 [2022-12-13 14:04:44,136 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 14:04:44,136 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 27 [2022-12-13 14:04:44,184 INFO L321 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2022-12-13 14:04:44,184 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 40 treesize of output 37 [2022-12-13 14:04:44,275 INFO L321 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2022-12-13 14:04:44,275 INFO L350 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 11 treesize of output 11 [2022-12-13 14:04:44,334 INFO L350 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 36 treesize of output 32 [2022-12-13 14:04:44,347 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 14:04:44,347 INFO L350 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 12 [2022-12-13 14:04:44,459 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 14:04:44,473 INFO L321 Elim1Store]: treesize reduction 54, result has 23.9 percent of original size [2022-12-13 14:04:44,473 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 2 case distinctions, treesize of input 83 treesize of output 57 [2022-12-13 14:04:44,476 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 14:04:44,488 INFO L321 Elim1Store]: treesize reduction 38, result has 19.1 percent of original size [2022-12-13 14:04:44,488 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 57 treesize of output 56 [2022-12-13 14:04:44,493 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 14:04:44,493 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 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 43 treesize of output 37 [2022-12-13 14:04:44,501 INFO L350 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 7 treesize of output 3 [2022-12-13 14:04:44,575 INFO L321 Elim1Store]: treesize reduction 19, result has 32.1 percent of original size [2022-12-13 14:04:44,576 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 52 treesize of output 58 [2022-12-13 14:04:44,772 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 12 [2022-12-13 14:04:44,775 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 3 [2022-12-13 14:04:44,845 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 14:04:44,845 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-13 14:04:44,936 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 7 [2022-12-13 14:04:45,025 WARN L837 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_2949 (Array Int Int))) (not (= (select (select (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_gl_insert_~node~1#1.base| v_ArrVal_2949) |c_~#gl_list~0.base|) (+ |c_~#gl_list~0.offset| 4)) 0))) is different from false [2022-12-13 14:04:45,198 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [192291717] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-13 14:04:45,198 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-12-13 14:04:45,198 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 16] total 30 [2022-12-13 14:04:45,198 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [224173980] [2022-12-13 14:04:45,199 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-12-13 14:04:45,199 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 31 states [2022-12-13 14:04:45,199 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 14:04:45,200 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2022-12-13 14:04:45,200 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=127, Invalid=1129, Unknown=8, NotChecked=68, Total=1332 [2022-12-13 14:04:45,200 INFO L87 Difference]: Start difference. First operand 386 states and 444 transitions. Second operand has 31 states, 31 states have (on average 2.935483870967742) internal successors, (91), 21 states have internal predecessors, (91), 7 states have call successors, (7), 6 states have call predecessors, (7), 4 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2022-12-13 14:04:48,718 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 14:04:48,719 INFO L93 Difference]: Finished difference Result 445 states and 509 transitions. [2022-12-13 14:04:48,719 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2022-12-13 14:04:48,719 INFO L78 Accepts]: Start accepts. Automaton has has 31 states, 31 states have (on average 2.935483870967742) internal successors, (91), 21 states have internal predecessors, (91), 7 states have call successors, (7), 6 states have call predecessors, (7), 4 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) Word has length 52 [2022-12-13 14:04:48,719 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 14:04:48,720 INFO L225 Difference]: With dead ends: 445 [2022-12-13 14:04:48,720 INFO L226 Difference]: Without dead ends: 442 [2022-12-13 14:04:48,721 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 124 GetRequests, 65 SyntacticMatches, 1 SemanticMatches, 58 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 845 ImplicationChecksByTransitivity, 2.2s TimeCoverageRelationStatistics Valid=448, Invalid=2958, Unknown=20, NotChecked=114, Total=3540 [2022-12-13 14:04:48,721 INFO L413 NwaCegarLoop]: 31 mSDtfsCounter, 1137 mSDsluCounter, 503 mSDsCounter, 0 mSdLazyCounter, 2272 mSolverCounterSat, 175 mSolverCounterUnsat, 71 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1140 SdHoareTripleChecker+Valid, 534 SdHoareTripleChecker+Invalid, 2518 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 175 IncrementalHoareTripleChecker+Valid, 2272 IncrementalHoareTripleChecker+Invalid, 71 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2022-12-13 14:04:48,722 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1140 Valid, 534 Invalid, 2518 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [175 Valid, 2272 Invalid, 71 Unknown, 0 Unchecked, 2.1s Time] [2022-12-13 14:04:48,722 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 442 states. [2022-12-13 14:04:48,806 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 442 to 395. [2022-12-13 14:04:48,807 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 395 states, 351 states have (on average 1.1538461538461537) internal successors, (405), 365 states have internal predecessors, (405), 33 states have call successors, (33), 14 states have call predecessors, (33), 10 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2022-12-13 14:04:48,808 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 395 states to 395 states and 453 transitions. [2022-12-13 14:04:48,808 INFO L78 Accepts]: Start accepts. Automaton has 395 states and 453 transitions. Word has length 52 [2022-12-13 14:04:48,808 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 14:04:48,808 INFO L495 AbstractCegarLoop]: Abstraction has 395 states and 453 transitions. [2022-12-13 14:04:48,808 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 31 states, 31 states have (on average 2.935483870967742) internal successors, (91), 21 states have internal predecessors, (91), 7 states have call successors, (7), 6 states have call predecessors, (7), 4 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2022-12-13 14:04:48,808 INFO L276 IsEmpty]: Start isEmpty. Operand 395 states and 453 transitions. [2022-12-13 14:04:48,808 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2022-12-13 14:04:48,808 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 14:04:48,809 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 14:04:48,814 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46c0f5c8-4702-42ee-a145-86c5b0b165a8/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2022-12-13 14:04:49,009 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46c0f5c8-4702-42ee-a145-86c5b0b165a8/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2022-12-13 14:04:49,010 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting failErr0ASSERT_VIOLATIONERROR_FUNCTION === [failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 14:04:49,011 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 14:04:49,011 INFO L85 PathProgramCache]: Analyzing trace with hash -617053959, now seen corresponding path program 1 times [2022-12-13 14:04:49,012 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 14:04:49,012 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1938809416] [2022-12-13 14:04:49,012 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 14:04:49,013 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 14:04:49,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:04:49,084 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-12-13 14:04:49,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:04:49,089 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 14:04:49,089 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 14:04:49,089 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1938809416] [2022-12-13 14:04:49,089 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1938809416] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 14:04:49,089 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 14:04:49,089 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-13 14:04:49,089 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2092001969] [2022-12-13 14:04:49,089 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 14:04:49,090 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-13 14:04:49,090 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 14:04:49,090 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-13 14:04:49,090 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-13 14:04:49,090 INFO L87 Difference]: Start difference. First operand 395 states and 453 transitions. Second operand has 4 states, 4 states have (on average 12.25) internal successors, (49), 3 states have internal predecessors, (49), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-12-13 14:04:49,323 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 14:04:49,323 INFO L93 Difference]: Finished difference Result 397 states and 454 transitions. [2022-12-13 14:04:49,324 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-13 14:04:49,324 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 12.25) internal successors, (49), 3 states have internal predecessors, (49), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 53 [2022-12-13 14:04:49,324 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 14:04:49,325 INFO L225 Difference]: With dead ends: 397 [2022-12-13 14:04:49,325 INFO L226 Difference]: Without dead ends: 394 [2022-12-13 14:04:49,325 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-12-13 14:04:49,326 INFO L413 NwaCegarLoop]: 42 mSDtfsCounter, 92 mSDsluCounter, 66 mSDsCounter, 0 mSdLazyCounter, 132 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 92 SdHoareTripleChecker+Valid, 108 SdHoareTripleChecker+Invalid, 144 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 132 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-12-13 14:04:49,326 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [92 Valid, 108 Invalid, 144 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 132 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-12-13 14:04:49,326 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 394 states. [2022-12-13 14:04:49,406 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 394 to 394. [2022-12-13 14:04:49,406 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 394 states, 351 states have (on average 1.1424501424501425) internal successors, (401), 364 states have internal predecessors, (401), 32 states have call successors, (32), 14 states have call predecessors, (32), 10 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2022-12-13 14:04:49,407 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 394 states to 394 states and 448 transitions. [2022-12-13 14:04:49,408 INFO L78 Accepts]: Start accepts. Automaton has 394 states and 448 transitions. Word has length 53 [2022-12-13 14:04:49,408 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 14:04:49,408 INFO L495 AbstractCegarLoop]: Abstraction has 394 states and 448 transitions. [2022-12-13 14:04:49,408 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.25) internal successors, (49), 3 states have internal predecessors, (49), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-12-13 14:04:49,408 INFO L276 IsEmpty]: Start isEmpty. Operand 394 states and 448 transitions. [2022-12-13 14:04:49,408 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2022-12-13 14:04:49,408 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 14:04:49,408 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 14:04:49,408 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2022-12-13 14:04:49,409 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting failErr0ASSERT_VIOLATIONERROR_FUNCTION === [failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 14:04:49,409 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 14:04:49,409 INFO L85 PathProgramCache]: Analyzing trace with hash -1943731347, now seen corresponding path program 1 times [2022-12-13 14:04:49,409 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 14:04:49,409 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1024357577] [2022-12-13 14:04:49,409 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 14:04:49,409 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 14:04:49,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:04:51,092 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-12-13 14:04:51,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:04:51,322 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-12-13 14:04:51,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:04:51,677 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-12-13 14:04:51,677 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 14:04:51,677 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1024357577] [2022-12-13 14:04:51,677 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1024357577] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-13 14:04:51,677 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1008280800] [2022-12-13 14:04:51,677 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 14:04:51,678 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 14:04:51,678 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46c0f5c8-4702-42ee-a145-86c5b0b165a8/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 14:04:51,678 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46c0f5c8-4702-42ee-a145-86c5b0b165a8/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 14:04:51,683 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46c0f5c8-4702-42ee-a145-86c5b0b165a8/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-12-13 14:04:51,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:04:51,861 INFO L263 TraceCheckSpWp]: Trace formula consists of 451 conjuncts, 196 conjunts are in the unsatisfiable core [2022-12-13 14:04:51,868 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 14:04:51,933 INFO L321 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2022-12-13 14:04:51,933 INFO L350 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 2 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 21 [2022-12-13 14:04:51,990 INFO L350 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 16 treesize of output 18 [2022-12-13 14:04:51,995 INFO L350 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 23 treesize of output 23 [2022-12-13 14:04:52,011 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 14:04:52,011 INFO L350 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 17 treesize of output 7 [2022-12-13 14:04:52,017 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 3 [2022-12-13 14:04:52,244 INFO L321 Elim1Store]: treesize reduction 73, result has 3.9 percent of original size [2022-12-13 14:04:52,244 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 116 treesize of output 120 [2022-12-13 14:04:52,250 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 14:04:52,283 INFO L321 Elim1Store]: treesize reduction 24, result has 48.9 percent of original size [2022-12-13 14:04:52,283 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 96 treesize of output 100 [2022-12-13 14:04:52,303 INFO L321 Elim1Store]: treesize reduction 17, result has 43.3 percent of original size [2022-12-13 14:04:52,304 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 51 treesize of output 45 [2022-12-13 14:04:52,309 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 14:04:52,311 INFO L350 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 39 treesize of output 34 [2022-12-13 14:04:52,315 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 14:04:52,318 INFO L350 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 64 treesize of output 38 [2022-12-13 14:04:52,323 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 14:04:52,338 INFO L321 Elim1Store]: treesize reduction 30, result has 40.0 percent of original size [2022-12-13 14:04:52,339 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 38 treesize of output 55 [2022-12-13 14:04:52,348 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 14:04:52,359 INFO L321 Elim1Store]: treesize reduction 25, result has 37.5 percent of original size [2022-12-13 14:04:52,360 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 29 treesize of output 44 [2022-12-13 14:04:52,494 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 14:04:52,495 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 14:04:52,496 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 14:04:52,496 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 6 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 109 treesize of output 84 [2022-12-13 14:04:52,501 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 14:04:52,501 INFO L350 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 73 treesize of output 73 [2022-12-13 14:04:52,721 INFO L321 Elim1Store]: treesize reduction 8, result has 61.9 percent of original size [2022-12-13 14:04:52,721 INFO L350 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 20 treesize of output 22 [2022-12-13 14:04:52,859 INFO L321 Elim1Store]: treesize reduction 23, result has 17.9 percent of original size [2022-12-13 14:04:52,860 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 103 treesize of output 95 [2022-12-13 14:04:52,870 INFO L350 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 79 treesize of output 74 [2022-12-13 14:04:52,905 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 14:04:52,905 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 14:04:52,907 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-13 14:04:52,908 INFO L350 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 4 new quantified variables, introduced 2 case distinctions, treesize of input 89 treesize of output 52 [2022-12-13 14:04:52,912 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 14:04:52,912 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 3 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 [2022-12-13 14:04:53,129 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 14:04:53,131 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 14:04:53,132 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 14:04:53,156 INFO L321 Elim1Store]: treesize reduction 54, result has 23.9 percent of original size [2022-12-13 14:04:53,156 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 5 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 4 case distinctions, treesize of input 192 treesize of output 135 [2022-12-13 14:04:53,163 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 14:04:53,179 INFO L321 Elim1Store]: treesize reduction 42, result has 10.6 percent of original size [2022-12-13 14:04:53,180 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 165 treesize of output 141 [2022-12-13 14:04:53,186 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 14:04:53,187 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 14:04:53,189 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 108 treesize of output 87 [2022-12-13 14:04:53,196 INFO L350 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 82 treesize of output 76 [2022-12-13 14:04:53,204 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 14:04:53,204 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 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 53 treesize of output 51 [2022-12-13 14:04:53,211 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 14:04:53,213 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 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 58 treesize of output 54 [2022-12-13 14:04:53,221 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 14:04:53,222 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 14:04:53,224 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 25 treesize of output 42 [2022-12-13 14:04:53,453 INFO L321 Elim1Store]: treesize reduction 76, result has 31.5 percent of original size [2022-12-13 14:04:53,453 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 197 treesize of output 193 [2022-12-13 14:04:53,480 INFO L321 Elim1Store]: treesize reduction 44, result has 30.2 percent of original size [2022-12-13 14:04:53,481 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 188 treesize of output 180 [2022-12-13 14:04:53,625 INFO L350 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 5 treesize of output 3 [2022-12-13 14:04:53,815 INFO L350 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 5 treesize of output 3 [2022-12-13 14:04:55,762 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 14:04:55,763 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-13 14:04:55,763 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 14:04:55,768 INFO L321 Elim1Store]: treesize reduction 18, result has 14.3 percent of original size [2022-12-13 14:04:55,769 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 2 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 102 treesize of output 51 [2022-12-13 14:04:55,774 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 14:04:55,775 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 14:04:55,780 INFO L321 Elim1Store]: treesize reduction 24, result has 11.1 percent of original size [2022-12-13 14:04:55,780 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 5 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 3 case distinctions, treesize of input 56 treesize of output 27 [2022-12-13 14:04:55,843 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 14:04:55,843 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-13 14:04:56,223 WARN L837 $PredicateComparison]: unable to prove that (let ((.cse3 (+ |c_~#gl_list~0.offset| 4))) (and (forall ((v_ArrVal_3421 (Array Int Int)) (v_ArrVal_3422 (Array Int Int))) (let ((.cse2 (select (select (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_gl_insert_~node~1#1.base| v_ArrVal_3421) |c_~#gl_list~0.base|) .cse3))) (or (let ((.cse1 (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_gl_insert_~node~1#1.base| v_ArrVal_3422))) (let ((.cse0 (+ (select (select .cse1 |c_~#gl_list~0.base|) .cse3) 8))) (= .cse0 (select (select .cse1 .cse2) .cse0)))) (= .cse2 |c_~#gl_list~0.base|)))) (forall ((v_ArrVal_3421 (Array Int Int)) (v_ArrVal_3422 (Array Int Int))) (let ((.cse5 (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_gl_insert_~node~1#1.base| v_ArrVal_3422))) (let ((.cse6 (select (select .cse5 |c_~#gl_list~0.base|) .cse3))) (or (let ((.cse4 (+ .cse6 8))) (= .cse4 (select (select .cse5 (select (select (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_gl_insert_~node~1#1.base| v_ArrVal_3421) |c_~#gl_list~0.base|) .cse3)) .cse4))) (= |c_~#gl_list~0.offset| .cse6))))) (forall ((v_ArrVal_3421 (Array Int Int)) (v_ArrVal_3422 (Array Int Int))) (let ((.cse9 (select (select (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_gl_insert_~node~1#1.base| v_ArrVal_3422) |c_~#gl_list~0.base|) .cse3))) (or (let ((.cse8 (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_gl_insert_~node~1#1.base| v_ArrVal_3421))) (let ((.cse7 (select (select .cse8 |c_~#gl_list~0.base|) .cse3))) (= .cse7 (select (select .cse8 .cse7) (+ .cse9 8))))) (= |c_~#gl_list~0.offset| .cse9)))) (forall ((v_ArrVal_3421 (Array Int Int)) (v_ArrVal_3422 (Array Int Int))) (let ((.cse11 (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_gl_insert_~node~1#1.base| v_ArrVal_3421))) (let ((.cse10 (select (select .cse11 |c_~#gl_list~0.base|) .cse3))) (or (= .cse10 |c_~#gl_list~0.base|) (= .cse10 (select (select .cse11 .cse10) (+ (select (select (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_gl_insert_~node~1#1.base| v_ArrVal_3422) |c_~#gl_list~0.base|) .cse3) 8))))))))) is different from false [2022-12-13 14:04:56,608 WARN L837 $PredicateComparison]: unable to prove that (let ((.cse5 (select (select |c_#memory_$Pointer$.base| |c_~#gl_list~0.base|) |c_~#gl_list~0.offset|))) (let ((.cse8 (select |c_#memory_$Pointer$.offset| .cse5)) (.cse9 (+ |c_ULTIMATE.start_gl_insert_~node~1#1.offset| 4)) (.cse6 (select |c_#memory_$Pointer$.base| .cse5)) (.cse3 (+ |c_~#gl_list~0.offset| 4)) (.cse10 (select (select |c_#memory_$Pointer$.offset| |c_~#gl_list~0.base|) |c_~#gl_list~0.offset|))) (and (forall ((|v_list_add___list_add_~next#1.offset_20| Int)) (or (forall ((v_ArrVal_3450 (Array Int Int)) (v_ArrVal_3451 (Array Int Int)) (v_ArrVal_3452 (Array Int Int)) (v_ArrVal_3447 Int) (v_ArrVal_3421 (Array Int Int)) (v_ArrVal_3422 (Array Int Int)) (v_ArrVal_3448 (Array Int Int)) (v_ArrVal_3449 (Array Int Int))) (let ((.cse7 (+ |v_list_add___list_add_~next#1.offset_20| 4))) (let ((.cse2 (select (select (store (store (store (store |c_#memory_$Pointer$.offset| .cse5 (store .cse8 .cse7 .cse9)) |c_ULTIMATE.start_gl_insert_~node~1#1.base| v_ArrVal_3450) |c_~#gl_list~0.base| (store (select (store (store |c_#memory_$Pointer$.offset| .cse5 v_ArrVal_3451) |c_ULTIMATE.start_gl_insert_~node~1#1.base| v_ArrVal_3449) |c_~#gl_list~0.base|) |c_~#gl_list~0.offset| .cse9)) |c_ULTIMATE.start_gl_insert_~node~1#1.base| v_ArrVal_3422) |c_~#gl_list~0.base|) .cse3))) (or (let ((.cse1 (store (let ((.cse4 (store |c_#memory_$Pointer$.base| .cse5 (store .cse6 .cse7 |c_ULTIMATE.start_gl_insert_~node~1#1.base|)))) (store (store .cse4 |c_ULTIMATE.start_gl_insert_~node~1#1.base| v_ArrVal_3448) |c_~#gl_list~0.base| (store (select (store .cse4 |c_ULTIMATE.start_gl_insert_~node~1#1.base| v_ArrVal_3452) |c_~#gl_list~0.base|) |c_~#gl_list~0.offset| v_ArrVal_3447))) |c_ULTIMATE.start_gl_insert_~node~1#1.base| v_ArrVal_3421))) (let ((.cse0 (select (select .cse1 |c_~#gl_list~0.base|) .cse3))) (= .cse0 (select (select .cse1 .cse0) (+ .cse2 8))))) (= |c_~#gl_list~0.offset| .cse2))))) (< .cse10 |v_list_add___list_add_~next#1.offset_20|))) (forall ((|v_list_add___list_add_~next#1.offset_20| Int)) (or (forall ((v_ArrVal_3450 (Array Int Int)) (v_ArrVal_3451 (Array Int Int)) (v_ArrVal_3452 (Array Int Int)) (v_ArrVal_3447 Int) (v_ArrVal_3421 (Array Int Int)) (v_ArrVal_3422 (Array Int Int)) (v_ArrVal_3448 (Array Int Int)) (v_ArrVal_3449 (Array Int Int))) (let ((.cse13 (+ |v_list_add___list_add_~next#1.offset_20| 4))) (let ((.cse12 (store (let ((.cse14 (store |c_#memory_$Pointer$.base| .cse5 (store .cse6 .cse13 |c_ULTIMATE.start_gl_insert_~node~1#1.base|)))) (store (store .cse14 |c_ULTIMATE.start_gl_insert_~node~1#1.base| v_ArrVal_3448) |c_~#gl_list~0.base| (store (select (store .cse14 |c_ULTIMATE.start_gl_insert_~node~1#1.base| v_ArrVal_3452) |c_~#gl_list~0.base|) |c_~#gl_list~0.offset| v_ArrVal_3447))) |c_ULTIMATE.start_gl_insert_~node~1#1.base| v_ArrVal_3421))) (let ((.cse11 (select (select .cse12 |c_~#gl_list~0.base|) .cse3))) (or (= .cse11 (select (select .cse12 .cse11) (+ (select (select (store (store (store (store |c_#memory_$Pointer$.offset| .cse5 (store .cse8 .cse13 .cse9)) |c_ULTIMATE.start_gl_insert_~node~1#1.base| v_ArrVal_3450) |c_~#gl_list~0.base| (store (select (store (store |c_#memory_$Pointer$.offset| .cse5 v_ArrVal_3451) |c_ULTIMATE.start_gl_insert_~node~1#1.base| v_ArrVal_3449) |c_~#gl_list~0.base|) |c_~#gl_list~0.offset| .cse9)) |c_ULTIMATE.start_gl_insert_~node~1#1.base| v_ArrVal_3422) |c_~#gl_list~0.base|) .cse3) 8))) (= .cse11 |c_~#gl_list~0.base|)))))) (< .cse10 |v_list_add___list_add_~next#1.offset_20|))) (forall ((|v_list_add___list_add_~next#1.offset_20| Int)) (or (forall ((v_ArrVal_3450 (Array Int Int)) (v_ArrVal_3451 (Array Int Int)) (v_ArrVal_3452 (Array Int Int)) (v_ArrVal_3447 Int) (v_ArrVal_3421 (Array Int Int)) (v_ArrVal_3422 (Array Int Int)) (v_ArrVal_3448 (Array Int Int)) (v_ArrVal_3449 (Array Int Int))) (let ((.cse17 (+ |v_list_add___list_add_~next#1.offset_20| 4))) (let ((.cse15 (store (store (store (store |c_#memory_$Pointer$.offset| .cse5 (store .cse8 .cse17 .cse9)) |c_ULTIMATE.start_gl_insert_~node~1#1.base| v_ArrVal_3450) |c_~#gl_list~0.base| (store (select (store (store |c_#memory_$Pointer$.offset| .cse5 v_ArrVal_3451) |c_ULTIMATE.start_gl_insert_~node~1#1.base| v_ArrVal_3449) |c_~#gl_list~0.base|) |c_~#gl_list~0.offset| .cse9)) |c_ULTIMATE.start_gl_insert_~node~1#1.base| v_ArrVal_3422))) (let ((.cse19 (select (select .cse15 |c_~#gl_list~0.base|) .cse3))) (or (let ((.cse18 (+ .cse19 8))) (= (select (select .cse15 (select (select (store (let ((.cse16 (store |c_#memory_$Pointer$.base| .cse5 (store .cse6 .cse17 |c_ULTIMATE.start_gl_insert_~node~1#1.base|)))) (store (store .cse16 |c_ULTIMATE.start_gl_insert_~node~1#1.base| v_ArrVal_3448) |c_~#gl_list~0.base| (store (select (store .cse16 |c_ULTIMATE.start_gl_insert_~node~1#1.base| v_ArrVal_3452) |c_~#gl_list~0.base|) |c_~#gl_list~0.offset| v_ArrVal_3447))) |c_ULTIMATE.start_gl_insert_~node~1#1.base| v_ArrVal_3421) |c_~#gl_list~0.base|) .cse3)) .cse18) .cse18)) (= |c_~#gl_list~0.offset| .cse19)))))) (< .cse10 |v_list_add___list_add_~next#1.offset_20|))) (forall ((|v_list_add___list_add_~next#1.offset_20| Int)) (or (forall ((v_ArrVal_3450 (Array Int Int)) (v_ArrVal_3451 (Array Int Int)) (v_ArrVal_3452 (Array Int Int)) (v_ArrVal_3447 Int) (v_ArrVal_3421 (Array Int Int)) (v_ArrVal_3422 (Array Int Int)) (v_ArrVal_3448 (Array Int Int)) (v_ArrVal_3449 (Array Int Int))) (let ((.cse23 (+ |v_list_add___list_add_~next#1.offset_20| 4))) (let ((.cse21 (select (select (store (let ((.cse24 (store |c_#memory_$Pointer$.base| .cse5 (store .cse6 .cse23 |c_ULTIMATE.start_gl_insert_~node~1#1.base|)))) (store (store .cse24 |c_ULTIMATE.start_gl_insert_~node~1#1.base| v_ArrVal_3448) |c_~#gl_list~0.base| (store (select (store .cse24 |c_ULTIMATE.start_gl_insert_~node~1#1.base| v_ArrVal_3452) |c_~#gl_list~0.base|) |c_~#gl_list~0.offset| v_ArrVal_3447))) |c_ULTIMATE.start_gl_insert_~node~1#1.base| v_ArrVal_3421) |c_~#gl_list~0.base|) .cse3))) (or (let ((.cse20 (store (store (store (store |c_#memory_$Pointer$.offset| .cse5 (store .cse8 .cse23 .cse9)) |c_ULTIMATE.start_gl_insert_~node~1#1.base| v_ArrVal_3450) |c_~#gl_list~0.base| (store (select (store (store |c_#memory_$Pointer$.offset| .cse5 v_ArrVal_3451) |c_ULTIMATE.start_gl_insert_~node~1#1.base| v_ArrVal_3449) |c_~#gl_list~0.base|) |c_~#gl_list~0.offset| .cse9)) |c_ULTIMATE.start_gl_insert_~node~1#1.base| v_ArrVal_3422))) (let ((.cse22 (+ (select (select .cse20 |c_~#gl_list~0.base|) .cse3) 8))) (= (select (select .cse20 .cse21) .cse22) .cse22))) (= .cse21 |c_~#gl_list~0.base|))))) (< .cse10 |v_list_add___list_add_~next#1.offset_20|)))))) is different from false [2022-12-13 14:04:56,614 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1008280800] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-13 14:04:56,614 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-12-13 14:04:56,614 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 19] total 34 [2022-12-13 14:04:56,614 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [889816357] [2022-12-13 14:04:56,614 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-12-13 14:04:56,614 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 35 states [2022-12-13 14:04:56,614 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 14:04:56,615 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 35 interpolants. [2022-12-13 14:04:56,615 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=116, Invalid=1371, Unknown=3, NotChecked=150, Total=1640 [2022-12-13 14:04:56,615 INFO L87 Difference]: Start difference. First operand 394 states and 448 transitions. Second operand has 35 states, 35 states have (on average 2.7714285714285714) internal successors, (97), 25 states have internal predecessors, (97), 7 states have call successors, (7), 6 states have call predecessors, (7), 4 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2022-12-13 14:05:05,420 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 14:05:05,420 INFO L93 Difference]: Finished difference Result 444 states and 500 transitions. [2022-12-13 14:05:05,420 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2022-12-13 14:05:05,421 INFO L78 Accepts]: Start accepts. Automaton has has 35 states, 35 states have (on average 2.7714285714285714) internal successors, (97), 25 states have internal predecessors, (97), 7 states have call successors, (7), 6 states have call predecessors, (7), 4 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) Word has length 55 [2022-12-13 14:05:05,421 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 14:05:05,422 INFO L225 Difference]: With dead ends: 444 [2022-12-13 14:05:05,422 INFO L226 Difference]: Without dead ends: 435 [2022-12-13 14:05:05,423 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 133 GetRequests, 67 SyntacticMatches, 0 SemanticMatches, 66 ConstructedPredicates, 2 IntricatePredicates, 0 DeprecatedPredicates, 756 ImplicationChecksByTransitivity, 5.8s TimeCoverageRelationStatistics Valid=461, Invalid=3830, Unknown=7, NotChecked=258, Total=4556 [2022-12-13 14:05:05,423 INFO L413 NwaCegarLoop]: 54 mSDtfsCounter, 988 mSDsluCounter, 883 mSDsCounter, 0 mSdLazyCounter, 4106 mSolverCounterSat, 108 mSolverCounterUnsat, 23 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 988 SdHoareTripleChecker+Valid, 937 SdHoareTripleChecker+Invalid, 4237 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 108 IncrementalHoareTripleChecker+Valid, 4106 IncrementalHoareTripleChecker+Invalid, 23 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.9s IncrementalHoareTripleChecker+Time [2022-12-13 14:05:05,423 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [988 Valid, 937 Invalid, 4237 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [108 Valid, 4106 Invalid, 23 Unknown, 0 Unchecked, 4.9s Time] [2022-12-13 14:05:05,428 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 435 states. [2022-12-13 14:05:05,525 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 435 to 421. [2022-12-13 14:05:05,526 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 421 states, 378 states have (on average 1.1322751322751323) internal successors, (428), 391 states have internal predecessors, (428), 32 states have call successors, (32), 14 states have call predecessors, (32), 10 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2022-12-13 14:05:05,527 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 421 states to 421 states and 475 transitions. [2022-12-13 14:05:05,527 INFO L78 Accepts]: Start accepts. Automaton has 421 states and 475 transitions. Word has length 55 [2022-12-13 14:05:05,527 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 14:05:05,527 INFO L495 AbstractCegarLoop]: Abstraction has 421 states and 475 transitions. [2022-12-13 14:05:05,527 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 35 states, 35 states have (on average 2.7714285714285714) internal successors, (97), 25 states have internal predecessors, (97), 7 states have call successors, (7), 6 states have call predecessors, (7), 4 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2022-12-13 14:05:05,528 INFO L276 IsEmpty]: Start isEmpty. Operand 421 states and 475 transitions. [2022-12-13 14:05:05,528 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2022-12-13 14:05:05,528 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 14:05:05,528 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 14:05:05,533 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46c0f5c8-4702-42ee-a145-86c5b0b165a8/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2022-12-13 14:05:05,729 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46c0f5c8-4702-42ee-a145-86c5b0b165a8/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 14:05:05,730 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting failErr0ASSERT_VIOLATIONERROR_FUNCTION === [failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 14:05:05,730 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 14:05:05,731 INFO L85 PathProgramCache]: Analyzing trace with hash -1129884476, now seen corresponding path program 1 times [2022-12-13 14:05:05,731 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 14:05:05,731 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [631675824] [2022-12-13 14:05:05,731 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 14:05:05,732 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 14:05:05,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:05:07,808 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-12-13 14:05:07,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:05:08,098 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-12-13 14:05:08,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:05:08,493 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-12-13 14:05:08,493 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 14:05:08,493 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [631675824] [2022-12-13 14:05:08,493 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [631675824] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-13 14:05:08,493 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1021933576] [2022-12-13 14:05:08,493 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 14:05:08,493 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 14:05:08,493 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46c0f5c8-4702-42ee-a145-86c5b0b165a8/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 14:05:08,494 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46c0f5c8-4702-42ee-a145-86c5b0b165a8/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 14:05:08,494 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46c0f5c8-4702-42ee-a145-86c5b0b165a8/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2022-12-13 14:05:08,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:05:08,671 INFO L263 TraceCheckSpWp]: Trace formula consists of 460 conjuncts, 201 conjunts are in the unsatisfiable core [2022-12-13 14:05:08,678 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 14:05:08,756 INFO L321 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2022-12-13 14:05:08,756 INFO L350 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 2 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 21 [2022-12-13 14:05:08,830 INFO L350 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 16 treesize of output 18 [2022-12-13 14:05:08,835 INFO L350 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 23 treesize of output 23 [2022-12-13 14:05:08,854 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 14:05:08,854 INFO L350 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 17 treesize of output 7 [2022-12-13 14:05:08,860 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 3 [2022-12-13 14:05:09,058 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 14:05:09,091 INFO L321 Elim1Store]: treesize reduction 44, result has 38.0 percent of original size [2022-12-13 14:05:09,091 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 2 case distinctions, treesize of input 114 treesize of output 94 [2022-12-13 14:05:09,097 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 56 [2022-12-13 14:05:09,101 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 14:05:09,103 INFO L350 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 50 treesize of output 43 [2022-12-13 14:05:09,119 INFO L321 Elim1Store]: treesize reduction 15, result has 42.3 percent of original size [2022-12-13 14:05:09,119 INFO L350 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 1 case distinctions, treesize of input 72 treesize of output 60 [2022-12-13 14:05:09,125 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 14:05:09,136 INFO L321 Elim1Store]: treesize reduction 30, result has 40.0 percent of original size [2022-12-13 14:05:09,136 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 38 treesize of output 55 [2022-12-13 14:05:11,371 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 14:05:11,371 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 14:05:11,372 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 14:05:11,387 INFO L321 Elim1Store]: treesize reduction 77, result has 10.5 percent of original size [2022-12-13 14:05:11,387 INFO L350 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 4 new quantified variables, introduced 3 case distinctions, treesize of input 191 treesize of output 149 [2022-12-13 14:05:11,392 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 14:05:11,394 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 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 104 treesize of output 98 [2022-12-13 14:05:11,398 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 14:05:11,398 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 16 treesize of output 20 [2022-12-13 14:05:11,407 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 14:05:11,408 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 14:05:11,419 INFO L321 Elim1Store]: treesize reduction 17, result has 46.9 percent of original size [2022-12-13 14:05:11,419 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 23 treesize of output 38 [2022-12-13 14:05:11,430 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 23 [2022-12-13 14:05:11,622 INFO L321 Elim1Store]: treesize reduction 8, result has 61.9 percent of original size [2022-12-13 14:05:11,622 INFO L350 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 20 treesize of output 22 [2022-12-13 14:05:11,745 INFO L321 Elim1Store]: treesize reduction 23, result has 17.9 percent of original size [2022-12-13 14:05:11,746 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 106 treesize of output 100 [2022-12-13 14:05:11,752 INFO L350 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 75 treesize of output 74 [2022-12-13 14:05:11,782 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 14:05:11,782 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 14:05:11,784 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-13 14:05:11,784 INFO L350 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 4 new quantified variables, introduced 2 case distinctions, treesize of input 92 treesize of output 59 [2022-12-13 14:05:11,788 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 14:05:11,788 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 0 case distinctions, treesize of input 49 treesize of output 25 [2022-12-13 14:05:12,012 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 14:05:12,014 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 14:05:12,040 INFO L321 Elim1Store]: treesize reduction 70, result has 25.5 percent of original size [2022-12-13 14:05:12,040 INFO L350 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 5 new quantified variables, introduced 5 case distinctions, treesize of input 206 treesize of output 149 [2022-12-13 14:05:12,044 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 14:05:12,054 INFO L321 Elim1Store]: treesize reduction 42, result has 10.6 percent of original size [2022-12-13 14:05:12,054 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 180 treesize of output 155 [2022-12-13 14:05:12,058 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 14:05:12,059 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 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 148 treesize of output 126 [2022-12-13 14:05:12,063 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 14:05:12,064 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 14:05:12,065 INFO L350 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 4 new quantified variables, introduced 0 case distinctions, treesize of input 105 treesize of output 89 [2022-12-13 14:05:12,069 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 14:05:12,071 INFO L350 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 91 treesize of output 81 [2022-12-13 14:05:12,076 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 14:05:12,078 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 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 59 treesize of output 53 [2022-12-13 14:05:12,311 INFO L321 Elim1Store]: treesize reduction 48, result has 23.8 percent of original size [2022-12-13 14:05:12,311 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 5 case distinctions, treesize of input 165 treesize of output 158 [2022-12-13 14:05:12,336 INFO L321 Elim1Store]: treesize reduction 78, result has 21.2 percent of original size [2022-12-13 14:05:12,337 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 168 treesize of output 166 [2022-12-13 14:05:14,209 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 14:05:14,215 INFO L321 Elim1Store]: treesize reduction 16, result has 15.8 percent of original size [2022-12-13 14:05:14,215 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 3 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 2 case distinctions, treesize of input 57 treesize of output 24 [2022-12-13 14:05:14,220 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 14:05:14,222 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 14:05:14,222 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-13 14:05:14,227 INFO L321 Elim1Store]: treesize reduction 18, result has 14.3 percent of original size [2022-12-13 14:05:14,227 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 2 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 72 treesize of output 28 [2022-12-13 14:05:14,285 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 14:05:14,285 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-13 14:05:14,754 WARN L837 $PredicateComparison]: unable to prove that (let ((.cse2 (+ |c_~#gl_list~0.offset| 4))) (and (forall ((v_ArrVal_3816 (Array Int Int)) (v_ArrVal_3817 (Array Int Int))) (let ((.cse1 (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_gl_insert_~node~1#1.base| v_ArrVal_3817))) (let ((.cse0 (select (select .cse1 |c_~#gl_list~0.base|) .cse2))) (or (= (+ .cse0 8) (select (select .cse1 (select (select (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_gl_insert_~node~1#1.base| v_ArrVal_3816) |c_~#gl_list~0.base|) .cse2)) (+ .cse0 12))) (= |c_~#gl_list~0.offset| .cse0))))) (forall ((v_ArrVal_3816 (Array Int Int)) (v_ArrVal_3817 (Array Int Int))) (let ((.cse5 (select (select (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_gl_insert_~node~1#1.base| v_ArrVal_3816) |c_~#gl_list~0.base|) .cse2))) (or (let ((.cse4 (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_gl_insert_~node~1#1.base| v_ArrVal_3817))) (let ((.cse3 (select (select .cse4 |c_~#gl_list~0.base|) .cse2))) (= (+ .cse3 8) (select (select .cse4 .cse5) (+ .cse3 12))))) (= .cse5 |c_~#gl_list~0.base|)))) (forall ((v_ArrVal_3816 (Array Int Int)) (v_ArrVal_3817 (Array Int Int))) (let ((.cse6 (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_gl_insert_~node~1#1.base| v_ArrVal_3816))) (let ((.cse7 (select (select .cse6 |c_~#gl_list~0.base|) .cse2))) (or (= (select (select .cse6 .cse7) (+ (select (select (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_gl_insert_~node~1#1.base| v_ArrVal_3817) |c_~#gl_list~0.base|) .cse2) 12)) .cse7) (= .cse7 |c_~#gl_list~0.base|))))) (forall ((v_ArrVal_3816 (Array Int Int)) (v_ArrVal_3817 (Array Int Int))) (let ((.cse10 (select (select (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_gl_insert_~node~1#1.base| v_ArrVal_3817) |c_~#gl_list~0.base|) .cse2))) (or (let ((.cse8 (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_gl_insert_~node~1#1.base| v_ArrVal_3816))) (let ((.cse9 (select (select .cse8 |c_~#gl_list~0.base|) .cse2))) (= (select (select .cse8 .cse9) (+ .cse10 12)) .cse9))) (= |c_~#gl_list~0.offset| .cse10)))))) is different from false [2022-12-13 14:05:15,262 WARN L837 $PredicateComparison]: unable to prove that (let ((.cse5 (select (select |c_#memory_$Pointer$.base| |c_~#gl_list~0.base|) |c_~#gl_list~0.offset|))) (let ((.cse0 (select (select |c_#memory_$Pointer$.offset| |c_~#gl_list~0.base|) |c_~#gl_list~0.offset|)) (.cse10 (select |c_#memory_$Pointer$.base| .cse5)) (.cse6 (select |c_#memory_$Pointer$.offset| .cse5)) (.cse4 (+ |c_ULTIMATE.start_gl_insert_~node~1#1.offset| 4)) (.cse8 (+ |c_~#gl_list~0.offset| 4))) (and (forall ((|v_list_add___list_add_~next#1.offset_23| Int)) (or (< .cse0 |v_list_add___list_add_~next#1.offset_23|) (forall ((v_ArrVal_3816 (Array Int Int)) (v_ArrVal_3817 (Array Int Int)) (v_ArrVal_3844 Int) (v_ArrVal_3845 (Array Int Int)) (v_ArrVal_3846 (Array Int Int)) (v_ArrVal_3847 (Array Int Int)) (v_ArrVal_3848 (Array Int Int))) (let ((.cse7 (+ |v_list_add___list_add_~next#1.offset_23| 4))) (let ((.cse1 (store (let ((.cse9 (store |c_#memory_$Pointer$.base| .cse5 (store .cse10 .cse7 |c_ULTIMATE.start_gl_insert_~node~1#1.base|)))) (store (store .cse9 |c_ULTIMATE.start_gl_insert_~node~1#1.base| v_ArrVal_3845) |c_~#gl_list~0.base| (store (select (store .cse9 |c_ULTIMATE.start_gl_insert_~node~1#1.base| v_ArrVal_3848) |c_~#gl_list~0.base|) |c_~#gl_list~0.offset| v_ArrVal_3844))) |c_ULTIMATE.start_gl_insert_~node~1#1.base| v_ArrVal_3816))) (let ((.cse2 (select (select .cse1 |c_~#gl_list~0.base|) .cse8))) (or (= (select (select .cse1 .cse2) (+ (select (select (store (let ((.cse3 (store |c_#memory_$Pointer$.offset| .cse5 (store .cse6 .cse7 .cse4)))) (store (store .cse3 |c_ULTIMATE.start_gl_insert_~node~1#1.base| v_ArrVal_3846) |c_~#gl_list~0.base| (store (select (store .cse3 |c_ULTIMATE.start_gl_insert_~node~1#1.base| v_ArrVal_3847) |c_~#gl_list~0.base|) |c_~#gl_list~0.offset| .cse4))) |c_ULTIMATE.start_gl_insert_~node~1#1.base| v_ArrVal_3817) |c_~#gl_list~0.base|) .cse8) 12)) .cse2) (= .cse2 |c_~#gl_list~0.base|)))))))) (forall ((|v_list_add___list_add_~next#1.offset_23| Int)) (or (< .cse0 |v_list_add___list_add_~next#1.offset_23|) (forall ((v_ArrVal_3816 (Array Int Int)) (v_ArrVal_3817 (Array Int Int)) (v_ArrVal_3844 Int) (v_ArrVal_3845 (Array Int Int)) (v_ArrVal_3846 (Array Int Int)) (v_ArrVal_3847 (Array Int Int)) (v_ArrVal_3848 (Array Int Int))) (let ((.cse14 (+ |v_list_add___list_add_~next#1.offset_23| 4))) (let ((.cse12 (store (let ((.cse15 (store |c_#memory_$Pointer$.offset| .cse5 (store .cse6 .cse14 .cse4)))) (store (store .cse15 |c_ULTIMATE.start_gl_insert_~node~1#1.base| v_ArrVal_3846) |c_~#gl_list~0.base| (store (select (store .cse15 |c_ULTIMATE.start_gl_insert_~node~1#1.base| v_ArrVal_3847) |c_~#gl_list~0.base|) |c_~#gl_list~0.offset| .cse4))) |c_ULTIMATE.start_gl_insert_~node~1#1.base| v_ArrVal_3817))) (let ((.cse11 (select (select .cse12 |c_~#gl_list~0.base|) .cse8))) (or (= |c_~#gl_list~0.offset| .cse11) (= (select (select .cse12 (select (select (store (let ((.cse13 (store |c_#memory_$Pointer$.base| .cse5 (store .cse10 .cse14 |c_ULTIMATE.start_gl_insert_~node~1#1.base|)))) (store (store .cse13 |c_ULTIMATE.start_gl_insert_~node~1#1.base| v_ArrVal_3845) |c_~#gl_list~0.base| (store (select (store .cse13 |c_ULTIMATE.start_gl_insert_~node~1#1.base| v_ArrVal_3848) |c_~#gl_list~0.base|) |c_~#gl_list~0.offset| v_ArrVal_3844))) |c_ULTIMATE.start_gl_insert_~node~1#1.base| v_ArrVal_3816) |c_~#gl_list~0.base|) .cse8)) (+ .cse11 12)) (+ .cse11 8))))))))) (forall ((|v_list_add___list_add_~next#1.offset_23| Int)) (or (< .cse0 |v_list_add___list_add_~next#1.offset_23|) (forall ((v_ArrVal_3816 (Array Int Int)) (v_ArrVal_3817 (Array Int Int)) (v_ArrVal_3844 Int) (v_ArrVal_3845 (Array Int Int)) (v_ArrVal_3846 (Array Int Int)) (v_ArrVal_3847 (Array Int Int)) (v_ArrVal_3848 (Array Int Int))) (let ((.cse20 (+ |v_list_add___list_add_~next#1.offset_23| 4))) (let ((.cse16 (select (select (store (let ((.cse21 (store |c_#memory_$Pointer$.base| .cse5 (store .cse10 .cse20 |c_ULTIMATE.start_gl_insert_~node~1#1.base|)))) (store (store .cse21 |c_ULTIMATE.start_gl_insert_~node~1#1.base| v_ArrVal_3845) |c_~#gl_list~0.base| (store (select (store .cse21 |c_ULTIMATE.start_gl_insert_~node~1#1.base| v_ArrVal_3848) |c_~#gl_list~0.base|) |c_~#gl_list~0.offset| v_ArrVal_3844))) |c_ULTIMATE.start_gl_insert_~node~1#1.base| v_ArrVal_3816) |c_~#gl_list~0.base|) .cse8))) (or (= .cse16 |c_~#gl_list~0.base|) (let ((.cse17 (store (let ((.cse19 (store |c_#memory_$Pointer$.offset| .cse5 (store .cse6 .cse20 .cse4)))) (store (store .cse19 |c_ULTIMATE.start_gl_insert_~node~1#1.base| v_ArrVal_3846) |c_~#gl_list~0.base| (store (select (store .cse19 |c_ULTIMATE.start_gl_insert_~node~1#1.base| v_ArrVal_3847) |c_~#gl_list~0.base|) |c_~#gl_list~0.offset| .cse4))) |c_ULTIMATE.start_gl_insert_~node~1#1.base| v_ArrVal_3817))) (let ((.cse18 (select (select .cse17 |c_~#gl_list~0.base|) .cse8))) (= (select (select .cse17 .cse16) (+ .cse18 12)) (+ .cse18 8)))))))))) (forall ((|v_list_add___list_add_~next#1.offset_23| Int)) (or (< .cse0 |v_list_add___list_add_~next#1.offset_23|) (forall ((v_ArrVal_3816 (Array Int Int)) (v_ArrVal_3817 (Array Int Int)) (v_ArrVal_3844 Int) (v_ArrVal_3845 (Array Int Int)) (v_ArrVal_3846 (Array Int Int)) (v_ArrVal_3847 (Array Int Int)) (v_ArrVal_3848 (Array Int Int))) (let ((.cse26 (+ |v_list_add___list_add_~next#1.offset_23| 4))) (let ((.cse24 (select (select (store (let ((.cse27 (store |c_#memory_$Pointer$.offset| .cse5 (store .cse6 .cse26 .cse4)))) (store (store .cse27 |c_ULTIMATE.start_gl_insert_~node~1#1.base| v_ArrVal_3846) |c_~#gl_list~0.base| (store (select (store .cse27 |c_ULTIMATE.start_gl_insert_~node~1#1.base| v_ArrVal_3847) |c_~#gl_list~0.base|) |c_~#gl_list~0.offset| .cse4))) |c_ULTIMATE.start_gl_insert_~node~1#1.base| v_ArrVal_3817) |c_~#gl_list~0.base|) .cse8))) (or (let ((.cse22 (store (let ((.cse25 (store |c_#memory_$Pointer$.base| .cse5 (store .cse10 .cse26 |c_ULTIMATE.start_gl_insert_~node~1#1.base|)))) (store (store .cse25 |c_ULTIMATE.start_gl_insert_~node~1#1.base| v_ArrVal_3845) |c_~#gl_list~0.base| (store (select (store .cse25 |c_ULTIMATE.start_gl_insert_~node~1#1.base| v_ArrVal_3848) |c_~#gl_list~0.base|) |c_~#gl_list~0.offset| v_ArrVal_3844))) |c_ULTIMATE.start_gl_insert_~node~1#1.base| v_ArrVal_3816))) (let ((.cse23 (select (select .cse22 |c_~#gl_list~0.base|) .cse8))) (= (select (select .cse22 .cse23) (+ .cse24 12)) .cse23))) (= |c_~#gl_list~0.offset| .cse24)))))))))) is different from false [2022-12-13 14:05:15,270 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1021933576] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-13 14:05:15,271 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-12-13 14:05:15,271 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 19] total 34 [2022-12-13 14:05:15,271 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [36882413] [2022-12-13 14:05:15,271 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-12-13 14:05:15,271 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 35 states [2022-12-13 14:05:15,271 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 14:05:15,272 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 35 interpolants. [2022-12-13 14:05:15,272 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=116, Invalid=1369, Unknown=5, NotChecked=150, Total=1640 [2022-12-13 14:05:15,272 INFO L87 Difference]: Start difference. First operand 421 states and 475 transitions. Second operand has 35 states, 35 states have (on average 2.942857142857143) internal successors, (103), 25 states have internal predecessors, (103), 7 states have call successors, (7), 6 states have call predecessors, (7), 4 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2022-12-13 14:05:25,727 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 14:05:25,727 INFO L93 Difference]: Finished difference Result 437 states and 488 transitions. [2022-12-13 14:05:25,727 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2022-12-13 14:05:25,728 INFO L78 Accepts]: Start accepts. Automaton has has 35 states, 35 states have (on average 2.942857142857143) internal successors, (103), 25 states have internal predecessors, (103), 7 states have call successors, (7), 6 states have call predecessors, (7), 4 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) Word has length 58 [2022-12-13 14:05:25,728 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 14:05:25,729 INFO L225 Difference]: With dead ends: 437 [2022-12-13 14:05:25,729 INFO L226 Difference]: Without dead ends: 434 [2022-12-13 14:05:25,729 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 139 GetRequests, 73 SyntacticMatches, 0 SemanticMatches, 66 ConstructedPredicates, 2 IntricatePredicates, 0 DeprecatedPredicates, 754 ImplicationChecksByTransitivity, 8.5s TimeCoverageRelationStatistics Valid=461, Invalid=3828, Unknown=9, NotChecked=258, Total=4556 [2022-12-13 14:05:25,730 INFO L413 NwaCegarLoop]: 54 mSDtfsCounter, 1063 mSDsluCounter, 943 mSDsCounter, 0 mSdLazyCounter, 4400 mSolverCounterSat, 105 mSolverCounterUnsat, 26 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1063 SdHoareTripleChecker+Valid, 997 SdHoareTripleChecker+Invalid, 4531 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 105 IncrementalHoareTripleChecker+Valid, 4400 IncrementalHoareTripleChecker+Invalid, 26 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.0s IncrementalHoareTripleChecker+Time [2022-12-13 14:05:25,730 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1063 Valid, 997 Invalid, 4531 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [105 Valid, 4400 Invalid, 26 Unknown, 0 Unchecked, 6.0s Time] [2022-12-13 14:05:25,730 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 434 states. [2022-12-13 14:05:25,830 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 434 to 421. [2022-12-13 14:05:25,831 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 421 states, 378 states have (on average 1.126984126984127) internal successors, (426), 391 states have internal predecessors, (426), 32 states have call successors, (32), 14 states have call predecessors, (32), 10 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2022-12-13 14:05:25,832 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 421 states to 421 states and 473 transitions. [2022-12-13 14:05:25,832 INFO L78 Accepts]: Start accepts. Automaton has 421 states and 473 transitions. Word has length 58 [2022-12-13 14:05:25,832 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 14:05:25,832 INFO L495 AbstractCegarLoop]: Abstraction has 421 states and 473 transitions. [2022-12-13 14:05:25,832 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 35 states, 35 states have (on average 2.942857142857143) internal successors, (103), 25 states have internal predecessors, (103), 7 states have call successors, (7), 6 states have call predecessors, (7), 4 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2022-12-13 14:05:25,832 INFO L276 IsEmpty]: Start isEmpty. Operand 421 states and 473 transitions. [2022-12-13 14:05:25,833 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2022-12-13 14:05:25,833 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 14:05:25,833 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 14:05:25,839 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46c0f5c8-4702-42ee-a145-86c5b0b165a8/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2022-12-13 14:05:26,033 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46c0f5c8-4702-42ee-a145-86c5b0b165a8/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 14:05:26,034 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting failErr0ASSERT_VIOLATIONERROR_FUNCTION === [failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 14:05:26,035 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 14:05:26,035 INFO L85 PathProgramCache]: Analyzing trace with hash 1691144517, now seen corresponding path program 2 times [2022-12-13 14:05:26,036 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 14:05:26,036 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1521952000] [2022-12-13 14:05:26,036 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 14:05:26,036 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 14:05:26,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:05:28,588 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-12-13 14:05:28,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:05:28,854 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-12-13 14:05:28,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:05:29,095 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2022-12-13 14:05:29,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:05:29,686 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-12-13 14:05:29,686 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 14:05:29,686 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1521952000] [2022-12-13 14:05:29,687 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1521952000] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-13 14:05:29,687 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [466451006] [2022-12-13 14:05:29,687 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-12-13 14:05:29,687 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 14:05:29,687 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46c0f5c8-4702-42ee-a145-86c5b0b165a8/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 14:05:29,688 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46c0f5c8-4702-42ee-a145-86c5b0b165a8/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 14:05:29,688 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46c0f5c8-4702-42ee-a145-86c5b0b165a8/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2022-12-13 14:05:30,153 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-12-13 14:05:30,153 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-12-13 14:05:30,158 INFO L263 TraceCheckSpWp]: Trace formula consists of 613 conjuncts, 274 conjunts are in the unsatisfiable core [2022-12-13 14:05:30,165 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 14:05:30,227 INFO L321 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2022-12-13 14:05:30,228 INFO L350 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 2 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 21 [2022-12-13 14:05:30,283 INFO L350 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 23 treesize of output 23 [2022-12-13 14:05:30,294 INFO L350 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 16 treesize of output 18 [2022-12-13 14:05:30,301 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 14:05:30,302 INFO L350 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 17 treesize of output 7 [2022-12-13 14:05:30,307 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 3 [2022-12-13 14:05:30,573 INFO L321 Elim1Store]: treesize reduction 87, result has 3.3 percent of original size [2022-12-13 14:05:30,573 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 137 treesize of output 123 [2022-12-13 14:05:30,578 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 14:05:30,616 INFO L321 Elim1Store]: treesize reduction 24, result has 48.9 percent of original size [2022-12-13 14:05:30,616 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 104 treesize of output 108 [2022-12-13 14:05:30,623 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 56 [2022-12-13 14:05:30,644 INFO L321 Elim1Store]: treesize reduction 15, result has 42.3 percent of original size [2022-12-13 14:05:30,644 INFO L350 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 1 case distinctions, treesize of input 72 treesize of output 60 [2022-12-13 14:05:30,648 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 14:05:30,650 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 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 81 treesize of output 53 [2022-12-13 14:05:30,653 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 19 [2022-12-13 14:05:30,658 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 14:05:30,670 INFO L321 Elim1Store]: treesize reduction 30, result has 40.0 percent of original size [2022-12-13 14:05:30,671 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 38 treesize of output 55 [2022-12-13 14:05:30,887 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 14:05:30,888 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 14:05:30,889 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 14:05:30,889 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-13 14:05:30,903 INFO L321 Elim1Store]: treesize reduction 97, result has 8.5 percent of original size [2022-12-13 14:05:30,904 INFO L350 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 5 new quantified variables, introduced 6 case distinctions, treesize of input 186 treesize of output 151 [2022-12-13 14:05:30,912 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 14:05:30,915 INFO L350 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 92 treesize of output 92 [2022-12-13 14:05:30,921 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 14:05:30,922 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 16 treesize of output 20 [2022-12-13 14:05:30,929 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 14:05:30,930 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 14:05:30,942 INFO L321 Elim1Store]: treesize reduction 17, result has 46.9 percent of original size [2022-12-13 14:05:30,943 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 23 treesize of output 38 [2022-12-13 14:05:31,124 INFO L321 Elim1Store]: treesize reduction 48, result has 36.0 percent of original size [2022-12-13 14:05:31,125 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 26 treesize of output 41 [2022-12-13 14:05:31,239 INFO L321 Elim1Store]: treesize reduction 23, result has 17.9 percent of original size [2022-12-13 14:05:31,240 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 100 treesize of output 96 [2022-12-13 14:05:31,249 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 64 treesize of output 60 [2022-12-13 14:05:31,292 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 14:05:31,292 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-13 14:05:31,294 INFO L321 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-12-13 14:05:31,295 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 2 case distinctions, treesize of input 94 treesize of output 61 [2022-12-13 14:05:31,299 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 14:05:31,300 INFO L350 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 41 treesize of output 21 [2022-12-13 14:05:31,624 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 14:05:31,627 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-13 14:05:31,662 INFO L321 Elim1Store]: treesize reduction 78, result has 23.5 percent of original size [2022-12-13 14:05:31,662 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 200 treesize of output 147 [2022-12-13 14:05:31,667 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 14:05:31,681 INFO L321 Elim1Store]: treesize reduction 42, result has 10.6 percent of original size [2022-12-13 14:05:31,682 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 174 treesize of output 151 [2022-12-13 14:05:31,689 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 14:05:31,690 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 144 treesize of output 124 [2022-12-13 14:05:31,697 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 14:05:31,698 INFO L350 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 3 new quantified variables, introduced 0 case distinctions, treesize of input 98 treesize of output 79 [2022-12-13 14:05:31,704 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 14:05:31,706 INFO L350 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 84 treesize of output 76 [2022-12-13 14:05:31,712 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 14:05:31,713 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 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 59 treesize of output 53 [2022-12-13 14:05:32,028 INFO L321 Elim1Store]: treesize reduction 62, result has 24.4 percent of original size [2022-12-13 14:05:32,029 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 202 treesize of output 184 [2022-12-13 14:05:32,056 INFO L321 Elim1Store]: treesize reduction 90, result has 21.7 percent of original size [2022-12-13 14:05:32,056 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 178 treesize of output 190 [2022-12-13 14:05:32,677 INFO L321 Elim1Store]: treesize reduction 41, result has 62.4 percent of original size [2022-12-13 14:05:32,677 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 1 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 9 case distinctions, treesize of input 184 treesize of output 231 [2022-12-13 14:05:33,122 INFO L321 Elim1Store]: treesize reduction 48, result has 23.8 percent of original size [2022-12-13 14:05:33,123 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 5 case distinctions, treesize of input 185 treesize of output 168 [2022-12-13 14:05:33,146 INFO L321 Elim1Store]: treesize reduction 47, result has 16.1 percent of original size [2022-12-13 14:05:33,147 INFO L350 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 4 case distinctions, treesize of input 162 treesize of output 170 [2022-12-13 14:05:33,342 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 14:05:33,343 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-13 14:05:33,420 INFO L321 Elim1Store]: treesize reduction 52, result has 59.7 percent of original size [2022-12-13 14:05:33,420 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 1 disjoint index pairs (out of 15 index pairs), introduced 7 new quantified variables, introduced 14 case distinctions, treesize of input 179 treesize of output 172 [2022-12-13 14:05:33,430 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 14:05:33,467 INFO L321 Elim1Store]: treesize reduction 8, result has 87.7 percent of original size [2022-12-13 14:05:33,467 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 2 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 5 case distinctions, treesize of input 88 treesize of output 116 [2022-12-13 14:05:35,380 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 14:05:35,381 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 14:05:35,382 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 14:05:35,382 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 14:05:35,383 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-13 14:05:35,443 INFO L321 Elim1Store]: treesize reduction 184, result has 14.4 percent of original size [2022-12-13 14:05:35,443 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 4 disjoint index pairs (out of 15 index pairs), introduced 9 new quantified variables, introduced 16 case distinctions, treesize of input 286 treesize of output 223 [2022-12-13 14:05:35,449 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 14:05:35,546 INFO L321 Elim1Store]: treesize reduction 120, result has 26.4 percent of original size [2022-12-13 14:05:35,546 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 6 new quantified variables, introduced 9 case distinctions, treesize of input 275 treesize of output 272 [2022-12-13 14:05:35,603 INFO L321 Elim1Store]: treesize reduction 247, result has 11.2 percent of original size [2022-12-13 14:05:35,603 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 9 case distinctions, treesize of input 196 treesize of output 234 [2022-12-13 14:05:35,610 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 14:05:35,661 INFO L321 Elim1Store]: treesize reduction 135, result has 32.5 percent of original size [2022-12-13 14:05:35,661 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 7 case distinctions, treesize of input 213 treesize of output 229 [2022-12-13 14:05:36,646 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 14:05:36,647 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 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 124 treesize of output 120 [2022-12-13 14:05:36,691 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 14:05:36,692 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 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 393 treesize of output 373 [2022-12-13 14:05:36,919 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 14:05:36,919 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 95 treesize of output 69 [2022-12-13 14:05:37,067 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 14:05:37,068 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 143 treesize of output 101 [2022-12-13 14:05:37,116 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 14:05:37,117 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 110 treesize of output 84 [2022-12-13 14:05:37,167 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 14:05:37,168 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 62 treesize of output 52 [2022-12-13 14:05:37,910 INFO L321 Elim1Store]: treesize reduction 116, result has 26.1 percent of original size [2022-12-13 14:05:37,911 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 1 disjoint index pairs (out of 10 index pairs), introduced 8 new quantified variables, introduced 14 case distinctions, treesize of input 245 treesize of output 234 [2022-12-13 14:05:37,938 INFO L321 Elim1Store]: treesize reduction 78, result has 21.2 percent of original size [2022-12-13 14:05:37,938 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 215 treesize of output 225 [2022-12-13 14:05:38,031 INFO L350 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 338 treesize of output 334 [2022-12-13 14:05:38,347 INFO L350 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 12 treesize of output 8 [2022-12-13 14:05:38,368 INFO L350 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 12 treesize of output 8 [2022-12-13 14:05:38,410 INFO L350 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 7 [2022-12-13 14:05:38,440 INFO L350 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 7 [2022-12-13 14:05:39,964 INFO L321 Elim1Store]: treesize reduction 8, result has 82.2 percent of original size [2022-12-13 14:05:39,964 INFO L350 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 266 treesize of output 274 [2022-12-13 14:05:41,008 INFO L321 Elim1Store]: treesize reduction 136, result has 52.3 percent of original size [2022-12-13 14:05:41,008 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 9 select indices, 9 select index equivalence classes, 3 disjoint index pairs (out of 36 index pairs), introduced 12 new quantified variables, introduced 35 case distinctions, treesize of input 247 treesize of output 242 [2022-12-13 14:05:43,058 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 1 proven. 38 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 14:05:43,058 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-13 14:05:43,757 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [466451006] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-13 14:05:43,758 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-12-13 14:05:43,758 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 21] total 39 [2022-12-13 14:05:43,758 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1240920412] [2022-12-13 14:05:43,758 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-12-13 14:05:43,758 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 40 states [2022-12-13 14:05:43,758 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 14:05:43,759 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 40 interpolants. [2022-12-13 14:05:43,759 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=145, Invalid=1527, Unknown=50, NotChecked=0, Total=1722 [2022-12-13 14:05:43,759 INFO L87 Difference]: Start difference. First operand 421 states and 473 transitions. Second operand has 40 states, 40 states have (on average 2.525) internal successors, (101), 27 states have internal predecessors, (101), 9 states have call successors, (9), 7 states have call predecessors, (9), 6 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2022-12-13 14:05:58,217 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 14:05:58,217 INFO L93 Difference]: Finished difference Result 628 states and 701 transitions. [2022-12-13 14:05:58,217 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2022-12-13 14:05:58,217 INFO L78 Accepts]: Start accepts. Automaton has has 40 states, 40 states have (on average 2.525) internal successors, (101), 27 states have internal predecessors, (101), 9 states have call successors, (9), 7 states have call predecessors, (9), 6 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) Word has length 59 [2022-12-13 14:05:58,218 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 14:05:58,220 INFO L225 Difference]: With dead ends: 628 [2022-12-13 14:05:58,220 INFO L226 Difference]: Without dead ends: 625 [2022-12-13 14:05:58,221 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 143 GetRequests, 68 SyntacticMatches, 0 SemanticMatches, 75 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1497 ImplicationChecksByTransitivity, 10.6s TimeCoverageRelationStatistics Valid=558, Invalid=5236, Unknown=58, NotChecked=0, Total=5852 [2022-12-13 14:05:58,221 INFO L413 NwaCegarLoop]: 74 mSDtfsCounter, 1722 mSDsluCounter, 1079 mSDsCounter, 0 mSdLazyCounter, 4683 mSolverCounterSat, 211 mSolverCounterUnsat, 7 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1725 SdHoareTripleChecker+Valid, 1153 SdHoareTripleChecker+Invalid, 4901 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 211 IncrementalHoareTripleChecker+Valid, 4683 IncrementalHoareTripleChecker+Invalid, 7 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.8s IncrementalHoareTripleChecker+Time [2022-12-13 14:05:58,222 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1725 Valid, 1153 Invalid, 4901 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [211 Valid, 4683 Invalid, 7 Unknown, 0 Unchecked, 6.8s Time] [2022-12-13 14:05:58,222 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 625 states. [2022-12-13 14:05:58,343 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 625 to 425. [2022-12-13 14:05:58,343 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 425 states, 381 states have (on average 1.120734908136483) internal successors, (427), 394 states have internal predecessors, (427), 32 states have call successors, (32), 15 states have call predecessors, (32), 11 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2022-12-13 14:05:58,344 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 425 states to 425 states and 474 transitions. [2022-12-13 14:05:58,344 INFO L78 Accepts]: Start accepts. Automaton has 425 states and 474 transitions. Word has length 59 [2022-12-13 14:05:58,345 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 14:05:58,345 INFO L495 AbstractCegarLoop]: Abstraction has 425 states and 474 transitions. [2022-12-13 14:05:58,345 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 40 states, 40 states have (on average 2.525) internal successors, (101), 27 states have internal predecessors, (101), 9 states have call successors, (9), 7 states have call predecessors, (9), 6 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2022-12-13 14:05:58,345 INFO L276 IsEmpty]: Start isEmpty. Operand 425 states and 474 transitions. [2022-12-13 14:05:58,345 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2022-12-13 14:05:58,345 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 14:05:58,345 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 14:05:58,352 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46c0f5c8-4702-42ee-a145-86c5b0b165a8/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2022-12-13 14:05:58,546 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20,9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46c0f5c8-4702-42ee-a145-86c5b0b165a8/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 14:05:58,547 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting failErr0ASSERT_VIOLATIONERROR_FUNCTION === [failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 14:05:58,547 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 14:05:58,548 INFO L85 PathProgramCache]: Analyzing trace with hash -678154033, now seen corresponding path program 1 times [2022-12-13 14:05:58,548 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 14:05:58,548 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1946100732] [2022-12-13 14:05:58,549 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 14:05:58,549 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 14:05:58,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:05:59,450 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-12-13 14:05:59,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:05:59,732 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 14:05:59,732 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 14:05:59,732 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1946100732] [2022-12-13 14:05:59,732 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1946100732] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 14:05:59,732 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 14:05:59,732 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-12-13 14:05:59,732 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1503099140] [2022-12-13 14:05:59,732 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 14:05:59,733 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-12-13 14:05:59,733 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 14:05:59,733 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-12-13 14:05:59,733 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=131, Unknown=0, NotChecked=0, Total=156 [2022-12-13 14:05:59,734 INFO L87 Difference]: Start difference. First operand 425 states and 474 transitions. Second operand has 13 states, 13 states have (on average 4.3076923076923075) internal successors, (56), 9 states have internal predecessors, (56), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-12-13 14:06:00,950 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 14:06:00,950 INFO L93 Difference]: Finished difference Result 439 states and 488 transitions. [2022-12-13 14:06:00,950 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-12-13 14:06:00,950 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 4.3076923076923075) internal successors, (56), 9 states have internal predecessors, (56), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 60 [2022-12-13 14:06:00,951 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 14:06:00,953 INFO L225 Difference]: With dead ends: 439 [2022-12-13 14:06:00,953 INFO L226 Difference]: Without dead ends: 436 [2022-12-13 14:06:00,954 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 58 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=92, Invalid=414, Unknown=0, NotChecked=0, Total=506 [2022-12-13 14:06:00,954 INFO L413 NwaCegarLoop]: 32 mSDtfsCounter, 304 mSDsluCounter, 256 mSDsCounter, 0 mSdLazyCounter, 1121 mSolverCounterSat, 28 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 308 SdHoareTripleChecker+Valid, 288 SdHoareTripleChecker+Invalid, 1149 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 28 IncrementalHoareTripleChecker+Valid, 1121 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-12-13 14:06:00,954 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [308 Valid, 288 Invalid, 1149 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [28 Valid, 1121 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-12-13 14:06:00,955 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 436 states. [2022-12-13 14:06:01,125 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 436 to 425. [2022-12-13 14:06:01,126 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 425 states, 381 states have (on average 1.1181102362204725) internal successors, (426), 394 states have internal predecessors, (426), 32 states have call successors, (32), 15 states have call predecessors, (32), 11 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2022-12-13 14:06:01,126 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 425 states to 425 states and 473 transitions. [2022-12-13 14:06:01,126 INFO L78 Accepts]: Start accepts. Automaton has 425 states and 473 transitions. Word has length 60 [2022-12-13 14:06:01,127 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 14:06:01,127 INFO L495 AbstractCegarLoop]: Abstraction has 425 states and 473 transitions. [2022-12-13 14:06:01,127 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 4.3076923076923075) internal successors, (56), 9 states have internal predecessors, (56), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-12-13 14:06:01,127 INFO L276 IsEmpty]: Start isEmpty. Operand 425 states and 473 transitions. [2022-12-13 14:06:01,127 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2022-12-13 14:06:01,127 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 14:06:01,127 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 14:06:01,127 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2022-12-13 14:06:01,127 INFO L420 AbstractCegarLoop]: === Iteration 23 === Targeting failErr0ASSERT_VIOLATIONERROR_FUNCTION === [failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 14:06:01,128 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 14:06:01,128 INFO L85 PathProgramCache]: Analyzing trace with hash 697431940, now seen corresponding path program 2 times [2022-12-13 14:06:01,128 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 14:06:01,128 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1187713469] [2022-12-13 14:06:01,128 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 14:06:01,128 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 14:06:01,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:06:03,960 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-12-13 14:06:03,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:06:04,161 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-12-13 14:06:04,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:06:04,437 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2022-12-13 14:06:04,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:06:05,053 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-12-13 14:06:05,053 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 14:06:05,053 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1187713469] [2022-12-13 14:06:05,053 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1187713469] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-13 14:06:05,053 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1506599164] [2022-12-13 14:06:05,053 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-12-13 14:06:05,053 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 14:06:05,054 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46c0f5c8-4702-42ee-a145-86c5b0b165a8/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 14:06:05,054 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46c0f5c8-4702-42ee-a145-86c5b0b165a8/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 14:06:05,055 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46c0f5c8-4702-42ee-a145-86c5b0b165a8/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2022-12-13 14:06:05,543 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-12-13 14:06:05,544 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-12-13 14:06:05,549 INFO L263 TraceCheckSpWp]: Trace formula consists of 619 conjuncts, 258 conjunts are in the unsatisfiable core [2022-12-13 14:06:05,557 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 14:06:05,622 INFO L321 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2022-12-13 14:06:05,622 INFO L350 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 2 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 21 [2022-12-13 14:06:05,697 INFO L350 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 23 treesize of output 23 [2022-12-13 14:06:05,702 INFO L350 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 16 treesize of output 18 [2022-12-13 14:06:05,718 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 14:06:05,718 INFO L350 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 17 treesize of output 7 [2022-12-13 14:06:05,723 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 3 [2022-12-13 14:06:05,938 INFO L321 Elim1Store]: treesize reduction 73, result has 3.9 percent of original size [2022-12-13 14:06:05,938 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 101 treesize of output 107 [2022-12-13 14:06:05,944 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 14:06:05,970 INFO L321 Elim1Store]: treesize reduction 24, result has 48.9 percent of original size [2022-12-13 14:06:05,970 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 83 treesize of output 89 [2022-12-13 14:06:05,976 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 54 [2022-12-13 14:06:05,979 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 14:06:05,982 INFO L350 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 64 treesize of output 38 [2022-12-13 14:06:05,999 INFO L321 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2022-12-13 14:06:05,999 INFO L350 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 1 case distinctions, treesize of input 64 treesize of output 58 [2022-12-13 14:06:06,004 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 14:06:06,021 INFO L321 Elim1Store]: treesize reduction 30, result has 40.0 percent of original size [2022-12-13 14:06:06,021 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 38 treesize of output 55 [2022-12-13 14:06:06,260 INFO L321 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2022-12-13 14:06:06,260 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 157 treesize of output 138 [2022-12-13 14:06:06,266 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 14:06:06,267 INFO L350 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 86 treesize of output 86 [2022-12-13 14:06:06,274 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 14:06:06,275 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 16 treesize of output 20 [2022-12-13 14:06:06,281 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 14:06:06,281 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 14:06:06,288 INFO L321 Elim1Store]: treesize reduction 23, result has 28.1 percent of original size [2022-12-13 14:06:06,289 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 23 treesize of output 32 [2022-12-13 14:06:06,523 INFO L321 Elim1Store]: treesize reduction 48, result has 36.0 percent of original size [2022-12-13 14:06:06,523 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 26 treesize of output 41 [2022-12-13 14:06:06,674 INFO L350 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 89 treesize of output 81 [2022-12-13 14:06:06,682 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 64 treesize of output 60 [2022-12-13 14:06:06,720 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 14:06:06,720 INFO L350 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 83 treesize of output 55 [2022-12-13 14:06:06,724 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 14:06:06,724 INFO L350 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 41 treesize of output 21 [2022-12-13 14:06:07,001 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 14:06:07,019 INFO L321 Elim1Store]: treesize reduction 32, result has 13.5 percent of original size [2022-12-13 14:06:07,019 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 2 case distinctions, treesize of input 236 treesize of output 190 [2022-12-13 14:06:07,040 INFO L321 Elim1Store]: treesize reduction 80, result has 5.9 percent of original size [2022-12-13 14:06:07,041 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 5 new quantified variables, introduced 3 case distinctions, treesize of input 210 treesize of output 219 [2022-12-13 14:06:07,047 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 14:06:07,049 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 172 treesize of output 150 [2022-12-13 14:06:07,055 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 14:06:07,056 INFO L350 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 4 new quantified variables, introduced 0 case distinctions, treesize of input 117 treesize of output 91 [2022-12-13 14:06:07,061 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 14:06:07,063 INFO L350 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 97 treesize of output 87 [2022-12-13 14:06:07,071 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 14:06:07,072 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 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 79 treesize of output 71 [2022-12-13 14:06:07,081 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 9 [2022-12-13 14:06:07,089 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-12-13 14:06:07,577 INFO L321 Elim1Store]: treesize reduction 96, result has 22.6 percent of original size [2022-12-13 14:06:07,578 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 6 new quantified variables, introduced 9 case distinctions, treesize of input 5914 treesize of output 4698 [2022-12-13 14:06:07,673 INFO L321 Elim1Store]: treesize reduction 90, result has 21.7 percent of original size [2022-12-13 14:06:07,673 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 5843 treesize of output 5857 [2022-12-13 14:06:07,922 INFO L350 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 9 treesize of output 7 [2022-12-13 14:06:08,000 INFO L350 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 9 treesize of output 7 [2022-12-13 14:06:08,020 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 23 [2022-12-13 14:06:08,132 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-13 14:06:08,616 INFO L321 Elim1Store]: treesize reduction 41, result has 62.4 percent of original size [2022-12-13 14:06:08,617 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 1 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 9 case distinctions, treesize of input 150 treesize of output 197 [2022-12-13 14:06:08,926 INFO L321 Elim1Store]: treesize reduction 48, result has 23.8 percent of original size [2022-12-13 14:06:08,926 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 5 case distinctions, treesize of input 151 treesize of output 144 [2022-12-13 14:06:08,950 INFO L321 Elim1Store]: treesize reduction 47, result has 16.1 percent of original size [2022-12-13 14:06:08,951 INFO L350 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 4 case distinctions, treesize of input 123 treesize of output 133 [2022-12-13 14:06:09,056 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 14:06:09,057 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 14:06:09,061 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-13 14:06:09,061 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 145 treesize of output 88 [2022-12-13 14:06:09,070 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 14:06:09,074 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-13 14:06:09,074 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 3 case distinctions, treesize of input 64 treesize of output 53 [2022-12-13 14:06:09,386 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 14:06:09,387 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 14:06:09,426 INFO L321 Elim1Store]: treesize reduction 102, result has 27.7 percent of original size [2022-12-13 14:06:09,426 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 7 new quantified variables, introduced 9 case distinctions, treesize of input 229 treesize of output 170 [2022-12-13 14:06:09,432 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 14:06:09,478 INFO L321 Elim1Store]: treesize reduction 120, result has 26.4 percent of original size [2022-12-13 14:06:09,478 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 6 new quantified variables, introduced 9 case distinctions, treesize of input 218 treesize of output 227 [2022-12-13 14:06:09,486 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 14:06:09,487 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 14:06:09,531 INFO L321 Elim1Store]: treesize reduction 113, result has 32.7 percent of original size [2022-12-13 14:06:09,531 INFO L350 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 5 case distinctions, treesize of input 110 treesize of output 153 [2022-12-13 14:06:09,901 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 14:06:09,901 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 105 treesize of output 105 [2022-12-13 14:06:09,933 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 14:06:09,934 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 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 140 treesize of output 110 [2022-12-13 14:06:10,182 INFO L321 Elim1Store]: treesize reduction 116, result has 26.1 percent of original size [2022-12-13 14:06:10,183 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 1 disjoint index pairs (out of 10 index pairs), introduced 8 new quantified variables, introduced 14 case distinctions, treesize of input 189 treesize of output 192 [2022-12-13 14:06:10,202 INFO L321 Elim1Store]: treesize reduction 47, result has 16.1 percent of original size [2022-12-13 14:06:10,202 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 162 treesize of output 170 [2022-12-13 14:06:10,680 INFO L350 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 56 treesize of output 48 [2022-12-13 14:06:10,821 INFO L350 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 22 treesize of output 20 [2022-12-13 14:06:10,833 INFO L350 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 22 treesize of output 20 [2022-12-13 14:06:14,903 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 0 case distinctions, treesize of input 33 treesize of output 13 [2022-12-13 14:06:15,064 INFO L321 Elim1Store]: treesize reduction 42, result has 6.7 percent of original size [2022-12-13 14:06:15,064 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 6 new quantified variables, introduced 6 case distinctions, treesize of input 117 treesize of output 40 [2022-12-13 14:06:15,118 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 1 proven. 38 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 14:06:15,118 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-13 14:06:15,522 WARN L837 $PredicateComparison]: unable to prove that (let ((.cse3 (+ |c_~#gl_list~0.offset| 4))) (and (forall ((v_ArrVal_5066 (Array Int Int)) (v_ArrVal_5067 (Array Int Int))) (let ((.cse2 (select (select (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_gl_insert_~node~1#1.base| v_ArrVal_5066) |c_~#gl_list~0.base|) .cse3))) (or (not (let ((.cse0 (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_gl_insert_~node~1#1.base| v_ArrVal_5067))) (let ((.cse1 (select (select .cse0 |c_~#gl_list~0.base|) .cse3))) (= (select (select .cse0 .cse1) (+ .cse2 4)) .cse1)))) (= |c_~#gl_list~0.offset| .cse2)))) (forall ((v_ArrVal_5066 (Array Int Int)) (v_ArrVal_5067 (Array Int Int))) (let ((.cse4 (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_gl_insert_~node~1#1.base| v_ArrVal_5067))) (let ((.cse5 (select (select .cse4 |c_~#gl_list~0.base|) .cse3))) (or (not (= (select (select .cse4 .cse5) (+ (select (select (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_gl_insert_~node~1#1.base| v_ArrVal_5066) |c_~#gl_list~0.base|) .cse3) 4)) .cse5)) (= .cse5 |c_~#gl_list~0.base|))))))) is different from false [2022-12-13 14:06:18,092 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1506599164] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-13 14:06:18,092 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-12-13 14:06:18,092 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 23] total 41 [2022-12-13 14:06:18,092 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [233156358] [2022-12-13 14:06:18,092 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-12-13 14:06:18,092 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 42 states [2022-12-13 14:06:18,092 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 14:06:18,093 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 42 interpolants. [2022-12-13 14:06:18,093 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=168, Invalid=2245, Unknown=41, NotChecked=96, Total=2550 [2022-12-13 14:06:18,093 INFO L87 Difference]: Start difference. First operand 425 states and 473 transitions. Second operand has 42 states, 42 states have (on average 2.5476190476190474) internal successors, (107), 29 states have internal predecessors, (107), 9 states have call successors, (9), 7 states have call predecessors, (9), 6 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2022-12-13 14:06:24,832 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-12-13 14:06:30,703 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-12-13 14:06:40,651 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 14:06:40,651 INFO L93 Difference]: Finished difference Result 736 states and 820 transitions. [2022-12-13 14:06:40,652 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2022-12-13 14:06:40,652 INFO L78 Accepts]: Start accepts. Automaton has has 42 states, 42 states have (on average 2.5476190476190474) internal successors, (107), 29 states have internal predecessors, (107), 9 states have call successors, (9), 7 states have call predecessors, (9), 6 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) Word has length 62 [2022-12-13 14:06:40,652 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 14:06:40,654 INFO L225 Difference]: With dead ends: 736 [2022-12-13 14:06:40,654 INFO L226 Difference]: Without dead ends: 733 [2022-12-13 14:06:40,655 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 146 GetRequests, 65 SyntacticMatches, 0 SemanticMatches, 81 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 1406 ImplicationChecksByTransitivity, 15.4s TimeCoverageRelationStatistics Valid=595, Invalid=6003, Unknown=48, NotChecked=160, Total=6806 [2022-12-13 14:06:40,655 INFO L413 NwaCegarLoop]: 75 mSDtfsCounter, 1645 mSDsluCounter, 1581 mSDsCounter, 0 mSdLazyCounter, 7523 mSolverCounterSat, 210 mSolverCounterUnsat, 48 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 13.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1651 SdHoareTripleChecker+Valid, 1656 SdHoareTripleChecker+Invalid, 7781 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 210 IncrementalHoareTripleChecker+Valid, 7523 IncrementalHoareTripleChecker+Invalid, 48 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 14.9s IncrementalHoareTripleChecker+Time [2022-12-13 14:06:40,655 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1651 Valid, 1656 Invalid, 7781 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [210 Valid, 7523 Invalid, 48 Unknown, 0 Unchecked, 14.9s Time] [2022-12-13 14:06:40,656 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 733 states. [2022-12-13 14:06:40,825 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 733 to 545. [2022-12-13 14:06:40,826 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 545 states, 491 states have (on average 1.1181262729124237) internal successors, (549), 505 states have internal predecessors, (549), 39 states have call successors, (39), 19 states have call predecessors, (39), 14 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2022-12-13 14:06:40,827 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 545 states to 545 states and 608 transitions. [2022-12-13 14:06:40,827 INFO L78 Accepts]: Start accepts. Automaton has 545 states and 608 transitions. Word has length 62 [2022-12-13 14:06:40,827 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 14:06:40,827 INFO L495 AbstractCegarLoop]: Abstraction has 545 states and 608 transitions. [2022-12-13 14:06:40,827 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 42 states, 42 states have (on average 2.5476190476190474) internal successors, (107), 29 states have internal predecessors, (107), 9 states have call successors, (9), 7 states have call predecessors, (9), 6 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2022-12-13 14:06:40,827 INFO L276 IsEmpty]: Start isEmpty. Operand 545 states and 608 transitions. [2022-12-13 14:06:40,828 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2022-12-13 14:06:40,828 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 14:06:40,828 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 14:06:40,834 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46c0f5c8-4702-42ee-a145-86c5b0b165a8/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2022-12-13 14:06:41,028 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22,10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46c0f5c8-4702-42ee-a145-86c5b0b165a8/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 14:06:41,028 INFO L420 AbstractCegarLoop]: === Iteration 24 === Targeting failErr0ASSERT_VIOLATIONERROR_FUNCTION === [failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 14:06:41,029 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 14:06:41,029 INFO L85 PathProgramCache]: Analyzing trace with hash 558719418, now seen corresponding path program 1 times [2022-12-13 14:06:41,029 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 14:06:41,029 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [767090751] [2022-12-13 14:06:41,029 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 14:06:41,029 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 14:06:41,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:06:41,944 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-12-13 14:06:41,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:06:42,245 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 14:06:42,246 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 14:06:42,246 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [767090751] [2022-12-13 14:06:42,246 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [767090751] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 14:06:42,246 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 14:06:42,246 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-12-13 14:06:42,246 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [946035545] [2022-12-13 14:06:42,246 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 14:06:42,247 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-12-13 14:06:42,247 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 14:06:42,247 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-12-13 14:06:42,247 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=132, Unknown=0, NotChecked=0, Total=156 [2022-12-13 14:06:42,247 INFO L87 Difference]: Start difference. First operand 545 states and 608 transitions. Second operand has 13 states, 13 states have (on average 4.538461538461538) internal successors, (59), 9 states have internal predecessors, (59), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-12-13 14:06:43,658 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 14:06:43,658 INFO L93 Difference]: Finished difference Result 551 states and 612 transitions. [2022-12-13 14:06:43,658 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-12-13 14:06:43,659 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 4.538461538461538) internal successors, (59), 9 states have internal predecessors, (59), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 63 [2022-12-13 14:06:43,659 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 14:06:43,660 INFO L225 Difference]: With dead ends: 551 [2022-12-13 14:06:43,660 INFO L226 Difference]: Without dead ends: 548 [2022-12-13 14:06:43,660 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=80, Invalid=340, Unknown=0, NotChecked=0, Total=420 [2022-12-13 14:06:43,660 INFO L413 NwaCegarLoop]: 33 mSDtfsCounter, 295 mSDsluCounter, 262 mSDsCounter, 0 mSdLazyCounter, 1125 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 298 SdHoareTripleChecker+Valid, 295 SdHoareTripleChecker+Invalid, 1147 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 1125 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-12-13 14:06:43,660 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [298 Valid, 295 Invalid, 1147 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 1125 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-12-13 14:06:43,661 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 548 states. [2022-12-13 14:06:43,830 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 548 to 545. [2022-12-13 14:06:43,831 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 545 states, 491 states have (on average 1.1160896130346232) internal successors, (548), 505 states have internal predecessors, (548), 39 states have call successors, (39), 19 states have call predecessors, (39), 14 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2022-12-13 14:06:43,832 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 545 states to 545 states and 607 transitions. [2022-12-13 14:06:43,832 INFO L78 Accepts]: Start accepts. Automaton has 545 states and 607 transitions. Word has length 63 [2022-12-13 14:06:43,832 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 14:06:43,832 INFO L495 AbstractCegarLoop]: Abstraction has 545 states and 607 transitions. [2022-12-13 14:06:43,832 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 4.538461538461538) internal successors, (59), 9 states have internal predecessors, (59), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-12-13 14:06:43,833 INFO L276 IsEmpty]: Start isEmpty. Operand 545 states and 607 transitions. [2022-12-13 14:06:43,833 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2022-12-13 14:06:43,833 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 14:06:43,833 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 14:06:43,833 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2022-12-13 14:06:43,833 INFO L420 AbstractCegarLoop]: === Iteration 25 === Targeting failErr0ASSERT_VIOLATIONERROR_FUNCTION === [failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 14:06:43,833 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 14:06:43,833 INFO L85 PathProgramCache]: Analyzing trace with hash 1657846127, now seen corresponding path program 2 times [2022-12-13 14:06:43,834 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 14:06:43,834 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1655394415] [2022-12-13 14:06:43,834 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 14:06:43,834 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 14:06:43,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:06:47,506 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-12-13 14:06:47,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:06:47,727 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-12-13 14:06:47,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:06:48,281 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2022-12-13 14:06:48,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:06:49,607 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-12-13 14:06:49,607 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 14:06:49,607 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1655394415] [2022-12-13 14:06:49,608 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1655394415] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-13 14:06:49,608 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [604244274] [2022-12-13 14:06:49,608 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-12-13 14:06:49,608 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 14:06:49,608 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46c0f5c8-4702-42ee-a145-86c5b0b165a8/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 14:06:49,609 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46c0f5c8-4702-42ee-a145-86c5b0b165a8/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 14:06:49,610 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46c0f5c8-4702-42ee-a145-86c5b0b165a8/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2022-12-13 14:06:50,009 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-12-13 14:06:50,009 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-12-13 14:06:50,014 INFO L263 TraceCheckSpWp]: Trace formula consists of 628 conjuncts, 271 conjunts are in the unsatisfiable core [2022-12-13 14:06:50,021 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 14:06:50,104 INFO L321 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2022-12-13 14:06:50,105 INFO L350 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 2 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 21 [2022-12-13 14:06:50,194 INFO L350 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 23 treesize of output 23 [2022-12-13 14:06:50,203 INFO L350 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 16 treesize of output 18 [2022-12-13 14:06:50,216 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 14:06:50,216 INFO L350 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 17 treesize of output 7 [2022-12-13 14:06:50,220 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 3 [2022-12-13 14:06:50,473 INFO L321 Elim1Store]: treesize reduction 73, result has 3.9 percent of original size [2022-12-13 14:06:50,473 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 118 treesize of output 131 [2022-12-13 14:06:50,479 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 14:06:50,510 INFO L321 Elim1Store]: treesize reduction 24, result has 48.9 percent of original size [2022-12-13 14:06:50,511 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 107 treesize of output 107 [2022-12-13 14:06:50,528 INFO L321 Elim1Store]: treesize reduction 17, result has 43.3 percent of original size [2022-12-13 14:06:50,529 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 53 treesize of output 47 [2022-12-13 14:06:50,533 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 14:06:50,536 INFO L350 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 41 treesize of output 36 [2022-12-13 14:06:50,546 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 14:06:50,554 INFO L321 Elim1Store]: treesize reduction 33, result has 21.4 percent of original size [2022-12-13 14:06:50,554 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 31 treesize of output 40 [2022-12-13 14:06:50,806 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 14:06:50,807 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 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 76 treesize of output 74 [2022-12-13 14:06:50,812 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 14:06:50,813 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 61 treesize of output 65 [2022-12-13 14:06:50,816 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 14:06:50,817 INFO L350 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 88 treesize of output 88 [2022-12-13 14:06:50,822 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 14:06:50,823 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 62 treesize of output 66 [2022-12-13 14:06:50,828 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 21 [2022-12-13 14:06:50,843 INFO L350 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 7 treesize of output 5 [2022-12-13 14:06:50,863 INFO L350 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 43 treesize of output 31 [2022-12-13 14:06:51,170 INFO L321 Elim1Store]: treesize reduction 60, result has 31.0 percent of original size [2022-12-13 14:06:51,170 INFO L350 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 3 new quantified variables, introduced 5 case distinctions, treesize of input 146 treesize of output 155 [2022-12-13 14:06:51,374 INFO L321 Elim1Store]: treesize reduction 23, result has 17.9 percent of original size [2022-12-13 14:06:51,375 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 144 treesize of output 122 [2022-12-13 14:06:51,382 INFO L321 Elim1Store]: treesize reduction 11, result has 8.3 percent of original size [2022-12-13 14:06:51,383 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 143 treesize of output 138 [2022-12-13 14:06:51,455 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 14:06:51,456 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 14:06:51,458 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-13 14:06:51,459 INFO L350 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 4 new quantified variables, introduced 2 case distinctions, treesize of input 129 treesize of output 69 [2022-12-13 14:06:51,463 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 14:06:51,464 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 14:06:51,466 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-13 14:06:51,466 INFO L350 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 2 case distinctions, treesize of input 73 treesize of output 49 [2022-12-13 14:06:51,737 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 14:06:51,738 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 14:06:51,738 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 14:06:51,739 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 14:06:51,739 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 14:06:51,742 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-13 14:06:51,742 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 2 case distinctions, treesize of input 245 treesize of output 160 [2022-12-13 14:06:51,746 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 14:06:51,760 INFO L321 Elim1Store]: treesize reduction 42, result has 10.6 percent of original size [2022-12-13 14:06:51,761 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 215 treesize of output 176 [2022-12-13 14:06:51,766 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 14:06:51,767 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 173 treesize of output 141 [2022-12-13 14:06:51,771 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 14:06:51,783 INFO L321 Elim1Store]: treesize reduction 30, result has 14.3 percent of original size [2022-12-13 14:06:51,784 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 170 treesize of output 145 [2022-12-13 14:06:51,800 INFO L321 Elim1Store]: treesize reduction 48, result has 9.4 percent of original size [2022-12-13 14:06:51,801 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 152 treesize of output 174 [2022-12-13 14:06:51,807 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 14:06:51,810 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 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 114 treesize of output 108 [2022-12-13 14:06:51,819 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 90 treesize of output 92 [2022-12-13 14:06:51,828 INFO L350 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 12 treesize of output 11 [2022-12-13 14:06:51,837 INFO L350 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 42 treesize of output 15 [2022-12-13 14:06:51,843 INFO L350 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 9 treesize of output 7 [2022-12-13 14:06:52,095 INFO L321 Elim1Store]: treesize reduction 62, result has 24.4 percent of original size [2022-12-13 14:06:52,095 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 205 treesize of output 185 [2022-12-13 14:06:52,117 INFO L321 Elim1Store]: treesize reduction 90, result has 21.7 percent of original size [2022-12-13 14:06:52,117 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 183 treesize of output 187 [2022-12-13 14:06:52,574 INFO L321 Elim1Store]: treesize reduction 19, result has 71.6 percent of original size [2022-12-13 14:06:52,574 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 187 treesize of output 220 [2022-12-13 14:06:52,885 INFO L321 Elim1Store]: treesize reduction 48, result has 23.8 percent of original size [2022-12-13 14:06:52,885 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 5 case distinctions, treesize of input 189 treesize of output 170 [2022-12-13 14:06:52,904 INFO L321 Elim1Store]: treesize reduction 47, result has 16.1 percent of original size [2022-12-13 14:06:52,904 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 167 treesize of output 167 [2022-12-13 14:06:53,027 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 14:06:53,027 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 14:06:53,028 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 14:06:53,034 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-13 14:06:53,034 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 6 disjoint index pairs (out of 15 index pairs), introduced 7 new quantified variables, introduced 14 case distinctions, treesize of input 183 treesize of output 112 [2022-12-13 14:06:53,042 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 14:06:53,043 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 14:06:53,049 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-13 14:06:53,049 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 4 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 8 case distinctions, treesize of input 84 treesize of output 73 [2022-12-13 14:06:53,445 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 14:06:53,447 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 14:06:53,448 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 14:06:53,531 INFO L321 Elim1Store]: treesize reduction 150, result has 28.9 percent of original size [2022-12-13 14:06:53,531 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 7 disjoint index pairs (out of 15 index pairs), introduced 9 new quantified variables, introduced 20 case distinctions, treesize of input 289 treesize of output 222 [2022-12-13 14:06:53,536 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 14:06:53,604 INFO L321 Elim1Store]: treesize reduction 108, result has 33.7 percent of original size [2022-12-13 14:06:53,604 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 6 new quantified variables, introduced 9 case distinctions, treesize of input 293 treesize of output 296 [2022-12-13 14:06:53,619 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 14:06:53,619 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 14:06:53,671 INFO L321 Elim1Store]: treesize reduction 140, result has 28.9 percent of original size [2022-12-13 14:06:53,671 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 6 new quantified variables, introduced 12 case distinctions, treesize of input 166 treesize of output 178 [2022-12-13 14:06:53,679 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 14:06:53,735 INFO L321 Elim1Store]: treesize reduction 87, result has 45.6 percent of original size [2022-12-13 14:06:53,736 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 8 case distinctions, treesize of input 172 treesize of output 219 [2022-12-13 14:06:54,108 INFO L350 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 7 treesize of output 3 [2022-12-13 14:06:54,151 INFO L350 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 7 treesize of output 3 [2022-12-13 14:06:54,383 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 14:06:54,385 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 137 treesize of output 137 [2022-12-13 14:06:54,432 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 14:06:54,433 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 16 treesize of output 20 [2022-12-13 14:06:54,785 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-13 14:06:54,786 INFO L350 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 335 treesize of output 343 [2022-12-13 14:06:56,186 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 14:06:56,188 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 16 treesize of output 20 [2022-12-13 14:06:56,249 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 14:06:56,251 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 16 treesize of output 20 [2022-12-13 14:06:56,315 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 14:06:56,324 INFO L321 Elim1Store]: treesize reduction 86, result has 1.1 percent of original size [2022-12-13 14:06:56,324 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 49 treesize of output 45 [2022-12-13 14:06:56,381 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 14:06:56,383 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 16 treesize of output 20 [2022-12-13 14:06:56,704 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 14:06:56,705 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 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 1379 treesize of output 1015 [2022-12-13 14:06:58,184 INFO L321 Elim1Store]: treesize reduction 126, result has 41.7 percent of original size [2022-12-13 14:06:58,184 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 1 disjoint index pairs (out of 15 index pairs), introduced 9 new quantified variables, introduced 20 case distinctions, treesize of input 445 treesize of output 445 [2022-12-13 14:06:58,289 INFO L321 Elim1Store]: treesize reduction 190, result has 43.3 percent of original size [2022-12-13 14:06:58,289 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 2 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 19 case distinctions, treesize of input 405 treesize of output 462 [2022-12-13 14:09:15,393 INFO L350 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 7 treesize of output 3 [2022-12-13 14:11:54,513 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-13 14:11:54,519 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-13 14:12:28,189 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-13 14:12:28,195 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-13 14:12:47,881 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-13 14:12:47,888 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-13 14:12:59,020 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-13 14:12:59,027 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-13 14:13:03,646 INFO L350 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 7 treesize of output 3 [2022-12-13 14:13:04,192 INFO L350 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 7 treesize of output 3 [2022-12-13 14:13:05,581 INFO L350 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 7 treesize of output 3 [2022-12-13 14:13:05,977 INFO L350 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 7 treesize of output 3 [2022-12-13 14:13:12,265 INFO L350 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 7 treesize of output 3 [2022-12-13 14:13:12,520 INFO L350 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 7 treesize of output 3 [2022-12-13 14:13:13,280 INFO L350 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 7 treesize of output 3 [2022-12-13 14:13:13,371 INFO L350 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 7 treesize of output 3 [2022-12-13 14:13:56,791 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-13 14:13:56,801 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-13 14:14:16,061 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-13 14:14:16,098 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-13 14:14:50,121 INFO L350 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 7 treesize of output 3 [2022-12-13 14:14:50,786 INFO L350 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 7 treesize of output 3 [2022-12-13 14:14:53,293 INFO L350 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 7 treesize of output 3 [2022-12-13 14:14:53,498 INFO L350 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 7 treesize of output 3 [2022-12-13 14:15:02,539 INFO L350 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 7 treesize of output 3 [2022-12-13 14:15:02,886 INFO L350 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 7 treesize of output 3 [2022-12-13 14:15:03,117 INFO L350 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 7 treesize of output 3 [2022-12-13 14:15:03,492 INFO L350 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 7 treesize of output 3 [2022-12-13 14:16:09,897 INFO L350 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 7 treesize of output 3 [2022-12-13 14:16:10,603 INFO L350 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 7 treesize of output 3 [2022-12-13 14:16:10,875 INFO L350 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 7 treesize of output 3 [2022-12-13 14:16:11,261 INFO L350 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 7 treesize of output 3 [2022-12-13 14:16:37,353 WARN L207 Elim1Store]: Array PQE input equivalent to false