./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/array-tiling/tcpy.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 38b53e6a 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_48d06d59-f879-4417-874c-fad3c5459099/bin/uautomizer-ZsLfNo2U6R/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48d06d59-f879-4417-874c-fad3c5459099/bin/uautomizer-ZsLfNo2U6R/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48d06d59-f879-4417-874c-fad3c5459099/bin/uautomizer-ZsLfNo2U6R/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48d06d59-f879-4417-874c-fad3c5459099/bin/uautomizer-ZsLfNo2U6R/config/AutomizerReach.xml -i ../../sv-benchmarks/c/array-tiling/tcpy.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48d06d59-f879-4417-874c-fad3c5459099/bin/uautomizer-ZsLfNo2U6R/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48d06d59-f879-4417-874c-fad3c5459099/bin/uautomizer-ZsLfNo2U6R --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 a747677fdea16741fbb3fca3d9510254677728ef5906b9bf8e219064accd3a39 --- 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-38b53e6 [2022-11-25 17:52:20,276 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-25 17:52:20,279 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-25 17:52:20,313 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-25 17:52:20,313 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-25 17:52:20,318 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-25 17:52:20,321 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-25 17:52:20,325 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-25 17:52:20,328 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-25 17:52:20,335 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-25 17:52:20,337 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-25 17:52:20,339 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-25 17:52:20,340 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-25 17:52:20,348 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-25 17:52:20,349 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-25 17:52:20,351 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-25 17:52:20,352 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-25 17:52:20,353 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-25 17:52:20,355 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-25 17:52:20,357 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-25 17:52:20,361 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-25 17:52:20,364 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-25 17:52:20,368 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-25 17:52:20,369 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-25 17:52:20,386 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-25 17:52:20,389 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-25 17:52:20,390 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-25 17:52:20,391 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-25 17:52:20,392 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-25 17:52:20,395 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-25 17:52:20,396 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-25 17:52:20,398 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-25 17:52:20,399 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-25 17:52:20,402 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-25 17:52:20,404 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-25 17:52:20,404 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-25 17:52:20,405 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-25 17:52:20,405 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-25 17:52:20,406 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-25 17:52:20,408 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-25 17:52:20,409 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-25 17:52:20,410 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48d06d59-f879-4417-874c-fad3c5459099/bin/uautomizer-ZsLfNo2U6R/config/svcomp-Reach-32bit-Automizer_Default.epf [2022-11-25 17:52:20,468 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-25 17:52:20,472 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-25 17:52:20,473 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-25 17:52:20,473 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-25 17:52:20,474 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-25 17:52:20,474 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-25 17:52:20,475 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-25 17:52:20,476 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-25 17:52:20,476 INFO L138 SettingsManager]: * Use SBE=true [2022-11-25 17:52:20,476 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-25 17:52:20,478 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-25 17:52:20,479 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-25 17:52:20,479 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-25 17:52:20,479 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-25 17:52:20,479 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-25 17:52:20,480 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-25 17:52:20,480 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-25 17:52:20,480 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-25 17:52:20,481 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-25 17:52:20,481 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-25 17:52:20,481 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-25 17:52:20,482 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-25 17:52:20,482 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-25 17:52:20,482 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-25 17:52:20,482 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-25 17:52:20,483 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-25 17:52:20,483 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-25 17:52:20,483 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-25 17:52:20,484 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-25 17:52:20,485 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-25 17:52:20,485 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-25 17:52:20,485 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-25 17:52:20,486 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2022-11-25 17:52:20,486 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-25 17:52:20,486 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_48d06d59-f879-4417-874c-fad3c5459099/bin/uautomizer-ZsLfNo2U6R/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48d06d59-f879-4417-874c-fad3c5459099/bin/uautomizer-ZsLfNo2U6R Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a747677fdea16741fbb3fca3d9510254677728ef5906b9bf8e219064accd3a39 [2022-11-25 17:52:20,836 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-25 17:52:20,873 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-25 17:52:20,877 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-25 17:52:20,878 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-25 17:52:20,879 INFO L275 PluginConnector]: CDTParser initialized [2022-11-25 17:52:20,880 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48d06d59-f879-4417-874c-fad3c5459099/bin/uautomizer-ZsLfNo2U6R/../../sv-benchmarks/c/array-tiling/tcpy.c [2022-11-25 17:52:24,612 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-25 17:52:24,905 INFO L351 CDTParser]: Found 1 translation units. [2022-11-25 17:52:24,906 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48d06d59-f879-4417-874c-fad3c5459099/sv-benchmarks/c/array-tiling/tcpy.c [2022-11-25 17:52:24,915 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48d06d59-f879-4417-874c-fad3c5459099/bin/uautomizer-ZsLfNo2U6R/data/661a92916/9b09039b6dbc4c3ea80e338a1818186e/FLAG2ecd86cda [2022-11-25 17:52:24,943 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48d06d59-f879-4417-874c-fad3c5459099/bin/uautomizer-ZsLfNo2U6R/data/661a92916/9b09039b6dbc4c3ea80e338a1818186e [2022-11-25 17:52:24,946 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-25 17:52:24,949 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-25 17:52:24,953 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-25 17:52:24,953 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-25 17:52:24,958 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-25 17:52:24,962 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 05:52:24" (1/1) ... [2022-11-25 17:52:24,964 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@231dab6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:52:24, skipping insertion in model container [2022-11-25 17:52:24,964 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 05:52:24" (1/1) ... [2022-11-25 17:52:24,973 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-25 17:52:25,002 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-25 17:52:25,227 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_48d06d59-f879-4417-874c-fad3c5459099/sv-benchmarks/c/array-tiling/tcpy.c[395,408] [2022-11-25 17:52:25,252 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 17:52:25,264 INFO L203 MainTranslator]: Completed pre-run [2022-11-25 17:52:25,280 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_48d06d59-f879-4417-874c-fad3c5459099/sv-benchmarks/c/array-tiling/tcpy.c[395,408] [2022-11-25 17:52:25,289 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 17:52:25,307 INFO L208 MainTranslator]: Completed translation [2022-11-25 17:52:25,308 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:52:25 WrapperNode [2022-11-25 17:52:25,308 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-25 17:52:25,310 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-25 17:52:25,310 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-25 17:52:25,310 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-25 17:52:25,320 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:52:25" (1/1) ... [2022-11-25 17:52:25,329 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:52:25" (1/1) ... [2022-11-25 17:52:25,355 INFO L138 Inliner]: procedures = 16, calls = 25, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 82 [2022-11-25 17:52:25,355 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-25 17:52:25,356 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-25 17:52:25,356 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-25 17:52:25,357 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-25 17:52:25,369 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:52:25" (1/1) ... [2022-11-25 17:52:25,370 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:52:25" (1/1) ... [2022-11-25 17:52:25,372 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:52:25" (1/1) ... [2022-11-25 17:52:25,373 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:52:25" (1/1) ... [2022-11-25 17:52:25,380 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:52:25" (1/1) ... [2022-11-25 17:52:25,385 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:52:25" (1/1) ... [2022-11-25 17:52:25,387 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:52:25" (1/1) ... [2022-11-25 17:52:25,388 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:52:25" (1/1) ... [2022-11-25 17:52:25,391 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-25 17:52:25,392 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-25 17:52:25,392 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-25 17:52:25,392 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-25 17:52:25,396 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:52:25" (1/1) ... [2022-11-25 17:52:25,403 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-25 17:52:25,417 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48d06d59-f879-4417-874c-fad3c5459099/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 17:52:25,432 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48d06d59-f879-4417-874c-fad3c5459099/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-25 17:52:25,452 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48d06d59-f879-4417-874c-fad3c5459099/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-25 17:52:25,480 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-25 17:52:25,481 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-25 17:52:25,481 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-25 17:52:25,481 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-25 17:52:25,481 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-25 17:52:25,481 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-25 17:52:25,482 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-25 17:52:25,576 INFO L235 CfgBuilder]: Building ICFG [2022-11-25 17:52:25,579 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-25 17:52:25,791 INFO L276 CfgBuilder]: Performing block encoding [2022-11-25 17:52:25,799 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-25 17:52:25,800 INFO L300 CfgBuilder]: Removed 3 assume(true) statements. [2022-11-25 17:52:25,802 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 05:52:25 BoogieIcfgContainer [2022-11-25 17:52:25,803 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-25 17:52:25,805 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-25 17:52:25,806 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-25 17:52:25,810 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-25 17:52:25,810 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.11 05:52:24" (1/3) ... [2022-11-25 17:52:25,811 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@57042bcb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 05:52:25, skipping insertion in model container [2022-11-25 17:52:25,811 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:52:25" (2/3) ... [2022-11-25 17:52:25,812 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@57042bcb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 05:52:25, skipping insertion in model container [2022-11-25 17:52:25,812 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 05:52:25" (3/3) ... [2022-11-25 17:52:25,814 INFO L112 eAbstractionObserver]: Analyzing ICFG tcpy.c [2022-11-25 17:52:25,844 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-25 17:52:25,844 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-25 17:52:25,899 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-25 17:52:25,908 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;@116569f9, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-25 17:52:25,908 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-25 17:52:25,913 INFO L276 IsEmpty]: Start isEmpty. Operand has 21 states, 19 states have (on average 1.5789473684210527) internal successors, (30), 20 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 17:52:25,937 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-11-25 17:52:25,937 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 17:52:25,940 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 17:52:25,941 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 17:52:25,946 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 17:52:25,947 INFO L85 PathProgramCache]: Analyzing trace with hash -1608152958, now seen corresponding path program 1 times [2022-11-25 17:52:25,958 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 17:52:25,958 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2086332360] [2022-11-25 17:52:25,959 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 17:52:25,959 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 17:52:26,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:52:26,239 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 17:52:26,241 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 17:52:26,241 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2086332360] [2022-11-25 17:52:26,242 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2086332360] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 17:52:26,243 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 17:52:26,243 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-25 17:52:26,245 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [119185761] [2022-11-25 17:52:26,246 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 17:52:26,251 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-11-25 17:52:26,253 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 17:52:26,312 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-11-25 17:52:26,313 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-25 17:52:26,316 INFO L87 Difference]: Start difference. First operand has 21 states, 19 states have (on average 1.5789473684210527) internal successors, (30), 20 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 6.0) internal successors, (12), 2 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 17:52:26,352 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 17:52:26,353 INFO L93 Difference]: Finished difference Result 37 states and 52 transitions. [2022-11-25 17:52:26,354 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-25 17:52:26,358 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 6.0) internal successors, (12), 2 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 12 [2022-11-25 17:52:26,359 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 17:52:26,369 INFO L225 Difference]: With dead ends: 37 [2022-11-25 17:52:26,369 INFO L226 Difference]: Without dead ends: 17 [2022-11-25 17:52:26,373 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 [2022-11-25 17:52:26,378 INFO L413 NwaCegarLoop]: 25 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, 25 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 [2022-11-25 17:52:26,380 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-25 17:52:26,396 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17 states. [2022-11-25 17:52:26,406 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17 to 17. [2022-11-25 17:52:26,408 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17 states, 16 states have (on average 1.1875) internal successors, (19), 16 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 17:52:26,409 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 19 transitions. [2022-11-25 17:52:26,411 INFO L78 Accepts]: Start accepts. Automaton has 17 states and 19 transitions. Word has length 12 [2022-11-25 17:52:26,411 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 17:52:26,411 INFO L495 AbstractCegarLoop]: Abstraction has 17 states and 19 transitions. [2022-11-25 17:52:26,412 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 6.0) internal successors, (12), 2 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 17:52:26,412 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 19 transitions. [2022-11-25 17:52:26,413 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-11-25 17:52:26,413 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 17:52:26,414 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 17:52:26,414 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-25 17:52:26,415 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 17:52:26,416 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 17:52:26,416 INFO L85 PathProgramCache]: Analyzing trace with hash -1873320706, now seen corresponding path program 1 times [2022-11-25 17:52:26,417 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 17:52:26,417 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1222147216] [2022-11-25 17:52:26,418 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 17:52:26,418 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 17:52:26,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:52:26,716 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 17:52:26,717 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 17:52:26,717 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1222147216] [2022-11-25 17:52:26,717 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1222147216] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 17:52:26,718 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 17:52:26,718 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-25 17:52:26,718 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [70893089] [2022-11-25 17:52:26,718 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 17:52:26,728 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-25 17:52:26,728 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 17:52:26,729 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-25 17:52:26,729 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 17:52:26,730 INFO L87 Difference]: Start difference. First operand 17 states and 19 transitions. Second operand has 3 states, 3 states have (on average 4.0) internal successors, (12), 3 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 17:52:26,816 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 17:52:26,816 INFO L93 Difference]: Finished difference Result 31 states and 35 transitions. [2022-11-25 17:52:26,817 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-25 17:52:26,817 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 4.0) internal successors, (12), 3 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 12 [2022-11-25 17:52:26,817 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 17:52:26,818 INFO L225 Difference]: With dead ends: 31 [2022-11-25 17:52:26,818 INFO L226 Difference]: Without dead ends: 19 [2022-11-25 17:52:26,819 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 17:52:26,820 INFO L413 NwaCegarLoop]: 17 mSDtfsCounter, 1 mSDsluCounter, 5 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 22 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-25 17:52:26,821 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 22 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-25 17:52:26,822 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19 states. [2022-11-25 17:52:26,825 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19 to 18. [2022-11-25 17:52:26,826 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18 states, 17 states have (on average 1.1764705882352942) internal successors, (20), 17 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 17:52:26,826 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 20 transitions. [2022-11-25 17:52:26,826 INFO L78 Accepts]: Start accepts. Automaton has 18 states and 20 transitions. Word has length 12 [2022-11-25 17:52:26,827 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 17:52:26,827 INFO L495 AbstractCegarLoop]: Abstraction has 18 states and 20 transitions. [2022-11-25 17:52:26,827 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 4.0) internal successors, (12), 3 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 17:52:26,827 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 20 transitions. [2022-11-25 17:52:26,828 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-11-25 17:52:26,828 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 17:52:26,828 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 17:52:26,829 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-25 17:52:26,829 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 17:52:26,830 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 17:52:26,830 INFO L85 PathProgramCache]: Analyzing trace with hash -270521828, now seen corresponding path program 1 times [2022-11-25 17:52:26,830 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 17:52:26,831 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1618102] [2022-11-25 17:52:26,831 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 17:52:26,831 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 17:52:26,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:52:27,029 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 17:52:27,029 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 17:52:27,030 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1618102] [2022-11-25 17:52:27,030 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1618102] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-25 17:52:27,030 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1572789834] [2022-11-25 17:52:27,031 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 17:52:27,031 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 17:52:27,031 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48d06d59-f879-4417-874c-fad3c5459099/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 17:52:27,036 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48d06d59-f879-4417-874c-fad3c5459099/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-25 17:52:27,055 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48d06d59-f879-4417-874c-fad3c5459099/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-25 17:52:27,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:52:27,181 INFO L263 TraceCheckSpWp]: Trace formula consists of 107 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-25 17:52:27,189 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 17:52:27,352 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 17:52:27,352 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-25 17:52:27,410 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 17:52:27,411 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1572789834] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-25 17:52:27,412 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-25 17:52:27,413 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 7 [2022-11-25 17:52:27,416 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1122879427] [2022-11-25 17:52:27,419 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-25 17:52:27,420 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-25 17:52:27,421 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 17:52:27,422 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-25 17:52:27,425 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=22, Unknown=0, NotChecked=0, Total=42 [2022-11-25 17:52:27,425 INFO L87 Difference]: Start difference. First operand 18 states and 20 transitions. Second operand has 7 states, 7 states have (on average 3.0) internal successors, (21), 7 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 17:52:27,547 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 17:52:27,547 INFO L93 Difference]: Finished difference Result 33 states and 37 transitions. [2022-11-25 17:52:27,548 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-25 17:52:27,548 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 3.0) internal successors, (21), 7 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 14 [2022-11-25 17:52:27,549 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 17:52:27,551 INFO L225 Difference]: With dead ends: 33 [2022-11-25 17:52:27,552 INFO L226 Difference]: Without dead ends: 21 [2022-11-25 17:52:27,554 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 24 SyntacticMatches, 1 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=20, Invalid=22, Unknown=0, NotChecked=0, Total=42 [2022-11-25 17:52:27,558 INFO L413 NwaCegarLoop]: 16 mSDtfsCounter, 5 mSDsluCounter, 16 mSDsCounter, 0 mSdLazyCounter, 53 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 32 SdHoareTripleChecker+Invalid, 55 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 53 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-25 17:52:27,560 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 32 Invalid, 55 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 53 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-25 17:52:27,562 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21 states. [2022-11-25 17:52:27,567 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21 to 20. [2022-11-25 17:52:27,570 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20 states, 19 states have (on average 1.1578947368421053) internal successors, (22), 19 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 17:52:27,571 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 22 transitions. [2022-11-25 17:52:27,572 INFO L78 Accepts]: Start accepts. Automaton has 20 states and 22 transitions. Word has length 14 [2022-11-25 17:52:27,573 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 17:52:27,573 INFO L495 AbstractCegarLoop]: Abstraction has 20 states and 22 transitions. [2022-11-25 17:52:27,573 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 3.0) internal successors, (21), 7 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 17:52:27,574 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 22 transitions. [2022-11-25 17:52:27,575 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-11-25 17:52:27,575 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 17:52:27,575 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 17:52:27,592 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48d06d59-f879-4417-874c-fad3c5459099/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2022-11-25 17:52:27,786 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48d06d59-f879-4417-874c-fad3c5459099/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 17:52:27,787 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 17:52:27,787 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 17:52:27,788 INFO L85 PathProgramCache]: Analyzing trace with hash -1874059334, now seen corresponding path program 2 times [2022-11-25 17:52:27,788 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 17:52:27,788 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1069283903] [2022-11-25 17:52:27,788 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 17:52:27,788 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 17:52:27,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:52:28,305 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-11-25 17:52:28,306 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 17:52:28,309 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1069283903] [2022-11-25 17:52:28,309 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1069283903] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 17:52:28,310 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 17:52:28,310 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-25 17:52:28,311 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1621272997] [2022-11-25 17:52:28,314 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 17:52:28,315 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-25 17:52:28,316 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 17:52:28,317 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-25 17:52:28,318 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-11-25 17:52:28,322 INFO L87 Difference]: Start difference. First operand 20 states and 22 transitions. Second operand has 5 states, 5 states have (on average 2.8) internal successors, (14), 5 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 17:52:28,389 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 17:52:28,392 INFO L93 Difference]: Finished difference Result 35 states and 38 transitions. [2022-11-25 17:52:28,392 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-25 17:52:28,393 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 2.8) internal successors, (14), 5 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 16 [2022-11-25 17:52:28,393 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 17:52:28,394 INFO L225 Difference]: With dead ends: 35 [2022-11-25 17:52:28,394 INFO L226 Difference]: Without dead ends: 28 [2022-11-25 17:52:28,395 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-11-25 17:52:28,396 INFO L413 NwaCegarLoop]: 11 mSDtfsCounter, 42 mSDsluCounter, 6 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 42 SdHoareTripleChecker+Valid, 17 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-25 17:52:28,399 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [42 Valid, 17 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-25 17:52:28,401 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28 states. [2022-11-25 17:52:28,406 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28 to 21. [2022-11-25 17:52:28,409 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21 states, 20 states have (on average 1.15) internal successors, (23), 20 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 17:52:28,411 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 23 transitions. [2022-11-25 17:52:28,412 INFO L78 Accepts]: Start accepts. Automaton has 21 states and 23 transitions. Word has length 16 [2022-11-25 17:52:28,412 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 17:52:28,413 INFO L495 AbstractCegarLoop]: Abstraction has 21 states and 23 transitions. [2022-11-25 17:52:28,413 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 2.8) internal successors, (14), 5 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 17:52:28,413 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 23 transitions. [2022-11-25 17:52:28,414 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-25 17:52:28,414 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 17:52:28,415 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 17:52:28,415 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-25 17:52:28,415 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 17:52:28,416 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 17:52:28,416 INFO L85 PathProgramCache]: Analyzing trace with hash 265660728, now seen corresponding path program 1 times [2022-11-25 17:52:28,417 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 17:52:28,417 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1321386823] [2022-11-25 17:52:28,417 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 17:52:28,418 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 17:52:28,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:52:29,299 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-11-25 17:52:29,300 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 17:52:29,300 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1321386823] [2022-11-25 17:52:29,300 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1321386823] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-25 17:52:29,300 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1130673372] [2022-11-25 17:52:29,301 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 17:52:29,301 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 17:52:29,302 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48d06d59-f879-4417-874c-fad3c5459099/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 17:52:29,304 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48d06d59-f879-4417-874c-fad3c5459099/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-25 17:52:29,323 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48d06d59-f879-4417-874c-fad3c5459099/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-11-25 17:52:29,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:52:29,428 INFO L263 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 36 conjunts are in the unsatisfiable core [2022-11-25 17:52:29,436 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 17:52:29,498 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 10 treesize of output 8 [2022-11-25 17:52:29,814 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 17:52:29,820 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 17:52:29,827 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 23 treesize of output 27 [2022-11-25 17:52:29,940 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-11-25 17:52:29,940 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-25 17:52:30,040 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-25 17:52:30,041 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 752 treesize of output 718 [2022-11-25 17:52:30,069 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 486 treesize of output 414 [2022-11-25 17:52:36,459 INFO L321 Elim1Store]: treesize reduction 24, result has 22.6 percent of original size [2022-11-25 17:52:36,460 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 611 treesize of output 538 [2022-11-25 17:52:36,562 INFO L321 Elim1Store]: treesize reduction 30, result has 3.2 percent of original size [2022-11-25 17:52:36,563 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 491 treesize of output 1 [2022-11-25 17:52:36,591 INFO L321 Elim1Store]: treesize reduction 30, result has 3.2 percent of original size [2022-11-25 17:52:36,592 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 611 treesize of output 1 [2022-11-25 17:52:36,615 INFO L321 Elim1Store]: treesize reduction 30, result has 3.2 percent of original size [2022-11-25 17:52:36,616 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 491 treesize of output 1 [2022-11-25 17:52:36,640 INFO L321 Elim1Store]: treesize reduction 11, result has 8.3 percent of original size [2022-11-25 17:52:36,641 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 414 treesize of output 378 [2022-11-25 17:52:36,720 INFO L321 Elim1Store]: treesize reduction 24, result has 22.6 percent of original size [2022-11-25 17:52:36,722 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 611 treesize of output 538 [2022-11-25 17:52:36,815 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 17:52:36,817 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 17:52:36,849 INFO L321 Elim1Store]: treesize reduction 30, result has 3.2 percent of original size [2022-11-25 17:52:36,850 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 491 treesize of output 1 [2022-11-25 17:52:36,875 INFO L321 Elim1Store]: treesize reduction 30, result has 3.2 percent of original size [2022-11-25 17:52:36,876 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 611 treesize of output 1 [2022-11-25 17:52:36,899 INFO L321 Elim1Store]: treesize reduction 30, result has 3.2 percent of original size [2022-11-25 17:52:36,900 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 491 treesize of output 1 [2022-11-25 17:52:36,945 INFO L321 Elim1Store]: treesize reduction 10, result has 67.7 percent of original size [2022-11-25 17:52:36,945 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 342 treesize of output 290 [2022-11-25 17:52:37,081 INFO L321 Elim1Store]: treesize reduction 18, result has 41.9 percent of original size [2022-11-25 17:52:37,081 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 198 treesize of output 166 [2022-11-25 17:52:37,138 INFO L321 Elim1Store]: treesize reduction 20, result has 35.5 percent of original size [2022-11-25 17:52:37,141 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 611 treesize of output 541 [2022-11-25 17:52:37,246 INFO L321 Elim1Store]: treesize reduction 30, result has 3.2 percent of original size [2022-11-25 17:52:37,247 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 611 treesize of output 1 [2022-11-25 17:52:37,272 INFO L321 Elim1Store]: treesize reduction 30, result has 3.2 percent of original size [2022-11-25 17:52:37,273 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 587 treesize of output 1 [2022-11-25 17:52:37,297 INFO L321 Elim1Store]: treesize reduction 30, result has 3.2 percent of original size [2022-11-25 17:52:37,297 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 491 treesize of output 1 [2022-11-25 17:52:37,323 INFO L321 Elim1Store]: treesize reduction 30, result has 3.2 percent of original size [2022-11-25 17:52:37,323 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 587 treesize of output 1 [2022-11-25 17:52:37,363 INFO L321 Elim1Store]: treesize reduction 5, result has 37.5 percent of original size [2022-11-25 17:52:37,364 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 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 443 treesize of output 418 [2022-11-25 17:52:37,447 INFO L321 Elim1Store]: treesize reduction 5, result has 37.5 percent of original size [2022-11-25 17:52:37,447 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 323 treesize of output 302 [2022-11-25 17:52:37,553 INFO L321 Elim1Store]: treesize reduction 5, result has 37.5 percent of original size [2022-11-25 17:52:37,554 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 443 treesize of output 418 [2022-11-25 17:52:37,636 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 270 treesize of output 262 [2022-11-25 17:52:37,688 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 270 treesize of output 262 [2022-11-25 17:52:37,736 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 121 treesize of output 117 [2022-11-25 17:52:37,797 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 17:52:37,824 INFO L321 Elim1Store]: treesize reduction 5, result has 37.5 percent of original size [2022-11-25 17:52:37,825 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 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 323 treesize of output 302 [2022-11-25 17:52:38,048 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 17:52:38,058 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 17:52:38,060 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 17:52:38,065 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 17:52:38,067 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 17:52:38,075 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 17:52:38,084 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 17:52:38,086 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 17:52:38,091 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 17:52:38,092 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 17:52:38,104 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 17:52:38,118 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 17:52:38,119 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 17:52:38,124 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 17:52:38,126 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 17:52:38,133 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 17:52:38,145 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 17:52:38,146 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 17:52:38,163 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 17:52:38,172 INFO L321 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-11-25 17:52:38,172 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 88 treesize of output 1 [2022-11-25 17:52:38,178 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 17:52:38,191 INFO L321 Elim1Store]: treesize reduction 5, result has 37.5 percent of original size [2022-11-25 17:52:38,191 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 63 treesize of output 58 [2022-11-25 17:52:38,216 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 17:52:38,221 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 17:52:38,222 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 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 64 treesize of output 1 [2022-11-25 17:52:38,230 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 17:52:38,231 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 17:52:38,235 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 17:52:38,242 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 1 [2022-11-25 17:52:38,247 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 17:52:38,253 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 17:52:38,254 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 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 43 treesize of output 1 [2022-11-25 17:52:38,276 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 17:52:38,278 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 17:52:38,287 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 17:52:38,289 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 17:52:38,295 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 17:52:38,296 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 17:52:38,306 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 17:52:38,307 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 17:52:38,328 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 17:52:38,339 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 17:52:38,344 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 17:52:38,346 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 17:52:38,362 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 17:52:38,364 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 17:52:38,371 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 17:52:38,373 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 17:52:38,384 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 17:52:38,385 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 17:52:38,401 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 17:52:38,402 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 17:52:38,408 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 17:52:38,409 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 17:52:38,415 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 17:52:38,416 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 17:52:38,422 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 17:52:38,424 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 17:52:38,435 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 17:52:38,442 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 17:52:38,450 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 17:52:38,460 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 17:52:38,467 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 17:52:38,476 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 17:52:38,485 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 17:52:38,500 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 17:52:38,501 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 17:52:38,509 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 17:52:38,511 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 17:52:38,519 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 17:52:38,524 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 17:52:38,531 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 17:52:38,532 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 17:52:38,538 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 17:52:38,539 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 17:52:38,547 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 17:52:38,548 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 17:52:38,554 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 17:52:38,555 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 17:52:38,569 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 17:52:38,571 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 17:52:38,579 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 17:52:38,581 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 17:52:38,587 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 17:52:38,589 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 17:52:38,595 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 17:52:38,596 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 17:52:38,607 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 17:52:38,608 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 17:52:38,618 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 17:52:38,620 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 17:52:38,626 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 17:52:38,628 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 17:52:38,639 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 17:52:38,648 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 17:52:38,676 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 17:52:38,678 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 17:52:38,684 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 17:52:38,685 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 17:52:38,691 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 17:52:38,692 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 17:52:38,699 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 17:52:38,701 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 17:52:38,711 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 17:52:38,712 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 17:52:38,720 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 17:52:38,733 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 17:52:38,741 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 17:52:38,749 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 17:52:38,756 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 17:52:38,765 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 17:52:38,774 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 17:52:38,800 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 17:52:38,808 INFO L321 Elim1Store]: treesize reduction 18, result has 5.3 percent of original size [2022-11-25 17:52:38,808 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 5 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 611 treesize of output 1 [2022-11-25 17:52:38,822 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 17:52:38,829 INFO L321 Elim1Store]: treesize reduction 18, result has 5.3 percent of original size [2022-11-25 17:52:38,830 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 5 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 462 treesize of output 1 [2022-11-25 17:52:38,853 INFO L321 Elim1Store]: treesize reduction 30, result has 3.2 percent of original size [2022-11-25 17:52:38,853 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 462 treesize of output 1 [2022-11-25 17:52:38,876 INFO L321 Elim1Store]: treesize reduction 30, result has 3.2 percent of original size [2022-11-25 17:52:38,876 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 611 treesize of output 1 [2022-11-25 17:52:38,886 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 17:52:38,887 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 17:52:38,907 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 17:52:38,914 INFO L321 Elim1Store]: treesize reduction 18, result has 5.3 percent of original size [2022-11-25 17:52:38,915 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 5 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 342 treesize of output 1 [2022-11-25 17:52:38,924 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 17:52:38,925 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 17:52:38,947 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 17:52:38,949 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 17:52:38,955 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 17:52:38,956 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 17:52:38,962 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 17:52:38,965 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-11-25 17:52:38,980 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 17:52:38,988 INFO L321 Elim1Store]: treesize reduction 18, result has 5.3 percent of original size [2022-11-25 17:52:38,989 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 491 treesize of output 1 [2022-11-25 17:52:39,006 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 17:52:39,016 INFO L321 Elim1Store]: treesize reduction 18, result has 5.3 percent of original size [2022-11-25 17:52:39,017 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 611 treesize of output 1 [2022-11-25 17:52:39,032 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 17:52:39,040 INFO L321 Elim1Store]: treesize reduction 18, result has 5.3 percent of original size [2022-11-25 17:52:39,040 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 467 treesize of output 1 [2022-11-25 17:52:39,055 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 17:52:39,062 INFO L321 Elim1Store]: treesize reduction 18, result has 5.3 percent of original size [2022-11-25 17:52:39,062 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 347 treesize of output 1 [2022-11-25 17:52:39,108 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 17:52:39,114 INFO L321 Elim1Store]: treesize reduction 18, result has 5.3 percent of original size [2022-11-25 17:52:39,115 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 5 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 198 treesize of output 1 [2022-11-25 17:52:39,127 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 17:52:39,134 INFO L321 Elim1Store]: treesize reduction 18, result has 5.3 percent of original size [2022-11-25 17:52:39,134 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 5 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 318 treesize of output 1 [2022-11-25 17:52:39,147 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 17:52:39,154 INFO L321 Elim1Store]: treesize reduction 18, result has 5.3 percent of original size [2022-11-25 17:52:39,155 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 5 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 467 treesize of output 1 [2022-11-25 17:52:39,168 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 17:52:39,175 INFO L321 Elim1Store]: treesize reduction 18, result has 5.3 percent of original size [2022-11-25 17:52:39,175 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 5 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 467 treesize of output 1 [2022-11-25 17:52:39,188 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 17:52:39,195 INFO L321 Elim1Store]: treesize reduction 18, result has 5.3 percent of original size [2022-11-25 17:52:39,196 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 5 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 318 treesize of output 1 [2022-11-25 17:52:39,212 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 17:52:39,218 INFO L321 Elim1Store]: treesize reduction 18, result has 5.3 percent of original size [2022-11-25 17:52:39,219 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 198 treesize of output 1 [2022-11-25 17:52:39,236 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 17:52:39,244 INFO L321 Elim1Store]: treesize reduction 18, result has 5.3 percent of original size [2022-11-25 17:52:39,245 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 5 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 467 treesize of output 1 [2022-11-25 17:52:39,259 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 17:52:39,266 INFO L321 Elim1Store]: treesize reduction 18, result has 5.3 percent of original size [2022-11-25 17:52:39,266 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 5 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 347 treesize of output 1 [2022-11-25 17:52:39,279 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 17:52:39,287 INFO L321 Elim1Store]: treesize reduction 18, result has 5.3 percent of original size [2022-11-25 17:52:39,287 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 491 treesize of output 1 [2022-11-25 17:52:39,301 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 17:52:39,309 INFO L321 Elim1Store]: treesize reduction 18, result has 5.3 percent of original size [2022-11-25 17:52:39,310 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 611 treesize of output 1 [2022-11-25 17:52:39,323 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 17:52:39,330 INFO L321 Elim1Store]: treesize reduction 18, result has 5.3 percent of original size [2022-11-25 17:52:39,330 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 467 treesize of output 1 [2022-11-25 17:52:39,347 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 17:52:39,354 INFO L321 Elim1Store]: treesize reduction 18, result has 5.3 percent of original size [2022-11-25 17:52:39,354 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 347 treesize of output 1 [2022-11-25 17:52:39,372 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 17:52:39,379 INFO L321 Elim1Store]: treesize reduction 18, result has 5.3 percent of original size [2022-11-25 17:52:39,380 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 491 treesize of output 1 [2022-11-25 17:52:39,445 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 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 210 treesize of output 204 [2022-11-25 17:52:39,467 INFO L321 Elim1Store]: treesize reduction 9, result has 10.0 percent of original size [2022-11-25 17:52:39,468 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 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 133 treesize of output 101 [2022-11-25 17:52:39,555 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 17:52:39,565 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 17:52:39,574 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 17:52:39,576 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 17:52:39,582 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 17:52:39,592 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 17:52:39,593 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 17:52:39,598 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 17:52:39,599 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 17:52:39,605 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 17:52:39,622 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 17:52:39,630 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 17:52:39,631 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 17:52:39,640 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 17:52:39,641 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 17:52:39,646 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 17:52:39,647 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 17:52:39,653 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 17:52:39,659 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 17:52:39,671 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 17:52:39,672 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 17:52:39,679 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 17:52:39,680 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 17:52:39,686 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 17:52:39,687 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 17:52:39,694 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 17:52:39,701 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 17:52:39,715 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 17:52:39,726 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 17:52:39,733 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 17:52:39,743 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 17:52:39,750 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 17:52:39,757 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 17:52:39,763 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 17:52:39,771 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 17:52:39,772 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 1 [2022-11-25 17:52:39,784 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 17:52:39,786 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 17:52:39,791 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 17:52:39,792 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 17:52:39,797 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 17:52:39,798 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 17:52:39,806 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 17:52:39,815 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 17:52:39,817 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 17:52:39,823 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 17:52:39,824 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 17:52:39,830 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 17:52:39,831 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 17:52:39,839 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 17:52:39,854 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 17:52:39,861 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 17:52:39,867 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 17:52:39,874 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 17:52:39,879 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 17:52:39,886 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 17:52:39,887 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 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 11 treesize of output 1 [2022-11-25 17:52:39,898 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 17:52:39,907 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 17:52:39,908 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 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 11 treesize of output 1 [2022-11-25 17:52:39,913 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 17:52:39,919 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 17:52:39,928 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 17:52:39,928 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 1 [2022-11-25 17:52:39,935 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 17:52:39,941 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 17:52:39,948 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 17:52:39,954 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 17:52:39,963 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 17:52:39,964 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 1 [2022-11-25 17:52:39,975 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 17:52:39,976 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 17:52:39,986 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 17:52:39,987 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 1 [2022-11-25 17:52:39,992 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 17:52:39,993 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 17:52:39,998 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 17:52:39,999 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 17:52:40,009 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 17:52:40,010 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 1 [2022-11-25 17:52:40,015 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 17:52:40,016 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 17:52:40,021 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 17:52:40,022 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 17:52:40,028 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 17:52:40,029 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 17:52:40,216 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-11-25 17:52:40,216 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1130673372] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-25 17:52:40,216 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-25 17:52:40,217 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 9, 9] total 18 [2022-11-25 17:52:40,217 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1631550879] [2022-11-25 17:52:40,217 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-25 17:52:40,217 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2022-11-25 17:52:40,218 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 17:52:40,218 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2022-11-25 17:52:40,219 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=84, Invalid=222, Unknown=0, NotChecked=0, Total=306 [2022-11-25 17:52:40,219 INFO L87 Difference]: Start difference. First operand 21 states and 23 transitions. Second operand has 18 states, 18 states have (on average 2.1666666666666665) internal successors, (39), 18 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 17:52:40,543 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 17:52:40,543 INFO L93 Difference]: Finished difference Result 29 states and 31 transitions. [2022-11-25 17:52:40,543 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-11-25 17:52:40,543 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 2.1666666666666665) internal successors, (39), 18 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 18 [2022-11-25 17:52:40,545 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 17:52:40,547 INFO L225 Difference]: With dead ends: 29 [2022-11-25 17:52:40,547 INFO L226 Difference]: Without dead ends: 27 [2022-11-25 17:52:40,548 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 24 SyntacticMatches, 2 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 133 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=204, Invalid=446, Unknown=0, NotChecked=0, Total=650 [2022-11-25 17:52:40,548 INFO L413 NwaCegarLoop]: 8 mSDtfsCounter, 53 mSDsluCounter, 27 mSDsCounter, 0 mSdLazyCounter, 91 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 53 SdHoareTripleChecker+Valid, 35 SdHoareTripleChecker+Invalid, 97 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 91 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-25 17:52:40,549 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [53 Valid, 35 Invalid, 97 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 91 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-25 17:52:40,550 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27 states. [2022-11-25 17:52:40,553 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27 to 23. [2022-11-25 17:52:40,554 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23 states, 22 states have (on average 1.1363636363636365) internal successors, (25), 22 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 17:52:40,554 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 25 transitions. [2022-11-25 17:52:40,554 INFO L78 Accepts]: Start accepts. Automaton has 23 states and 25 transitions. Word has length 18 [2022-11-25 17:52:40,555 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 17:52:40,555 INFO L495 AbstractCegarLoop]: Abstraction has 23 states and 25 transitions. [2022-11-25 17:52:40,555 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 2.1666666666666665) internal successors, (39), 18 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 17:52:40,555 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 25 transitions. [2022-11-25 17:52:40,556 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-11-25 17:52:40,556 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 17:52:40,556 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 17:52:40,561 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48d06d59-f879-4417-874c-fad3c5459099/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-11-25 17:52:40,757 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48d06d59-f879-4417-874c-fad3c5459099/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 17:52:40,757 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 17:52:40,758 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 17:52:40,758 INFO L85 PathProgramCache]: Analyzing trace with hash 1994055598, now seen corresponding path program 1 times [2022-11-25 17:52:40,758 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 17:52:40,758 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [702553751] [2022-11-25 17:52:40,759 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 17:52:40,759 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 17:52:40,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:52:41,811 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 17:52:41,811 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 17:52:41,811 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [702553751] [2022-11-25 17:52:41,812 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [702553751] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-25 17:52:41,812 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [23009540] [2022-11-25 17:52:41,812 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 17:52:41,812 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 17:52:41,813 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48d06d59-f879-4417-874c-fad3c5459099/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 17:52:41,814 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48d06d59-f879-4417-874c-fad3c5459099/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-25 17:52:41,816 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48d06d59-f879-4417-874c-fad3c5459099/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-11-25 17:52:41,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:52:41,920 INFO L263 TraceCheckSpWp]: Trace formula consists of 141 conjuncts, 46 conjunts are in the unsatisfiable core [2022-11-25 17:52:41,924 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 17:52:41,944 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 10 treesize of output 8 [2022-11-25 17:52:42,010 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 11 [2022-11-25 17:52:42,204 INFO L321 Elim1Store]: treesize reduction 26, result has 31.6 percent of original size [2022-11-25 17:52:42,204 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 28 treesize of output 32 [2022-11-25 17:52:42,542 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 17:52:42,549 INFO L321 Elim1Store]: treesize reduction 7, result has 30.0 percent of original size [2022-11-25 17:52:42,549 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 3 new quantified variables, introduced 1 case distinctions, treesize of input 57 treesize of output 23 [2022-11-25 17:52:42,572 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 17:52:42,573 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-25 17:52:44,738 WARN L837 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_103 Int) (|ULTIMATE.start_main_~acopy~0#1.offset| Int)) (let ((.cse0 (store (let ((.cse1 (* (- 4) |c_ULTIMATE.start_main_~i~0#1|)) (.cse2 (* 4 c_~SIZE~0))) (store (select |c_#memory_int| |c_ULTIMATE.start_main_~acopy~0#1.base|) (+ .cse1 (- 4) .cse2 |ULTIMATE.start_main_~acopy~0#1.offset|) (select (select |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base|) (+ .cse1 (- 4) .cse2 |c_ULTIMATE.start_main_~a~0#1.offset|)))) (+ (* |c_ULTIMATE.start_main_~i~0#1| 4) |ULTIMATE.start_main_~acopy~0#1.offset|) v_ArrVal_103))) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~acopy~0#1.base| .cse0) |c_ULTIMATE.start_main_~a~0#1.base|) (+ |c_ULTIMATE.start_main_~a~0#1.offset| 4)) (select .cse0 (+ |ULTIMATE.start_main_~acopy~0#1.offset| 4))))) is different from false [2022-11-25 17:52:46,768 WARN L837 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_103 Int) (|ULTIMATE.start_main_~acopy~0#1.offset| Int)) (let ((.cse0 (let ((.cse1 (* 4 c_~SIZE~0))) (store (select |c_#memory_int| |c_ULTIMATE.start_main_~acopy~0#1.base|) (+ (- 4) .cse1 |ULTIMATE.start_main_~acopy~0#1.offset|) (select (select |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base|) (+ (- 4) .cse1 |c_ULTIMATE.start_main_~a~0#1.offset|)))))) (= (select .cse0 (+ |ULTIMATE.start_main_~acopy~0#1.offset| 4)) (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~acopy~0#1.base| (store .cse0 |ULTIMATE.start_main_~acopy~0#1.offset| v_ArrVal_103)) |c_ULTIMATE.start_main_~a~0#1.base|) (+ |c_ULTIMATE.start_main_~a~0#1.offset| 4))))) is different from false [2022-11-25 17:52:53,264 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-25 17:52:53,265 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 2 case distinctions, treesize of input 1174 treesize of output 951 [2022-11-25 17:52:53,352 INFO L321 Elim1Store]: treesize reduction 39, result has 62.1 percent of original size [2022-11-25 17:52:53,353 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 4 case distinctions, treesize of input 1443 treesize of output 1337 [2022-11-25 17:52:53,391 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-25 17:52:53,392 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 1507 treesize of output 1399 [2022-11-25 17:52:56,893 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 17:52:56,897 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 13 treesize of output 9 [2022-11-25 17:52:56,905 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 17:52:56,908 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 25 treesize of output 17 [2022-11-25 17:52:56,916 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 17:52:56,919 WARN L207 Elim1Store]: Array PQE input equivalent to true [2022-11-25 17:52:56,927 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 17:52:56,930 WARN L207 Elim1Store]: Array PQE input equivalent to true [2022-11-25 17:52:56,934 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 17:52:56,941 WARN L207 Elim1Store]: Array PQE input equivalent to true [2022-11-25 17:52:56,957 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 17:52:56,961 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 [2022-11-25 17:52:56,964 WARN L207 Elim1Store]: Array PQE input equivalent to true [2022-11-25 17:52:56,988 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 17:52:56,999 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 55 treesize of output 47 [2022-11-25 17:52:57,004 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 17:52:57,012 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 40 treesize of output 32 [2022-11-25 17:52:57,020 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 17:52:57,037 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 40 treesize of output 32 [2022-11-25 17:52:57,042 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 17:52:57,057 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 17:52:57,069 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 17:52:57,092 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 17:52:57,095 WARN L207 Elim1Store]: Array PQE input equivalent to true [2022-11-25 17:52:57,102 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 17:52:57,108 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 17:52:57,118 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 26 treesize of output 22 [2022-11-25 17:52:57,123 WARN L207 Elim1Store]: Array PQE input equivalent to true [2022-11-25 17:52:57,131 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 17:52:57,134 WARN L207 Elim1Store]: Array PQE input equivalent to true [2022-11-25 17:52:57,140 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 17:52:57,149 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 17:52:57,161 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 40 treesize of output 32 [2022-11-25 17:52:57,173 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 20 treesize of output 16 [2022-11-25 17:52:57,184 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 17:52:57,196 WARN L207 Elim1Store]: Array PQE input equivalent to true [2022-11-25 17:53:03,871 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 1 not checked. [2022-11-25 17:53:03,872 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [23009540] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-25 17:53:03,872 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-25 17:53:03,872 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12, 14] total 33 [2022-11-25 17:53:03,873 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [180374997] [2022-11-25 17:53:03,873 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-25 17:53:03,873 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 33 states [2022-11-25 17:53:03,874 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 17:53:03,875 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 33 interpolants. [2022-11-25 17:53:03,876 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=186, Invalid=747, Unknown=5, NotChecked=118, Total=1056 [2022-11-25 17:53:03,876 INFO L87 Difference]: Start difference. First operand 23 states and 25 transitions. Second operand has 33 states, 33 states have (on average 1.7878787878787878) internal successors, (59), 33 states have internal predecessors, (59), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 17:53:06,209 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 [1] [2022-11-25 17:53:08,406 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2022-11-25 17:53:10,501 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2022-11-25 17:53:12,751 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2022-11-25 17:53:14,765 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2022-11-25 17:53:16,771 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2022-11-25 17:53:18,780 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2022-11-25 17:53:20,790 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2022-11-25 17:53:22,800 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2022-11-25 17:53:24,815 WARN L837 $PredicateComparison]: unable to prove that (let ((.cse0 (forall ((v_ArrVal_103 Int) (|ULTIMATE.start_main_~acopy~0#1.offset| Int)) (let ((.cse1 (let ((.cse2 (* 4 c_~SIZE~0))) (store (select |c_#memory_int| |c_ULTIMATE.start_main_~acopy~0#1.base|) (+ (- 4) .cse2 |ULTIMATE.start_main_~acopy~0#1.offset|) (select (select |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base|) (+ (- 4) .cse2 |c_ULTIMATE.start_main_~a~0#1.offset|)))))) (= (select .cse1 (+ |ULTIMATE.start_main_~acopy~0#1.offset| 4)) (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~acopy~0#1.base| (store .cse1 |ULTIMATE.start_main_~acopy~0#1.offset| v_ArrVal_103)) |c_ULTIMATE.start_main_~a~0#1.base|) (+ |c_ULTIMATE.start_main_~a~0#1.offset| 4))))))) (and (or .cse0 (not (= (mod c_~SIZE~0 2) 0)) (< (+ |c_ULTIMATE.start_main_~i~0#1| 1) c_~SIZE~0)) .cse0)) is different from false [2022-11-25 17:53:26,414 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 17:53:26,414 INFO L93 Difference]: Finished difference Result 82 states and 91 transitions. [2022-11-25 17:53:26,414 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2022-11-25 17:53:26,414 INFO L78 Accepts]: Start accepts. Automaton has has 33 states, 33 states have (on average 1.7878787878787878) internal successors, (59), 33 states have internal predecessors, (59), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 22 [2022-11-25 17:53:26,415 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 17:53:26,415 INFO L225 Difference]: With dead ends: 82 [2022-11-25 17:53:26,416 INFO L226 Difference]: Without dead ends: 71 [2022-11-25 17:53:26,418 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 81 GetRequests, 24 SyntacticMatches, 1 SemanticMatches, 56 ConstructedPredicates, 3 IntricatePredicates, 0 DeprecatedPredicates, 756 ImplicationChecksByTransitivity, 20.7s TimeCoverageRelationStatistics Valid=619, Invalid=2357, Unknown=6, NotChecked=324, Total=3306 [2022-11-25 17:53:26,419 INFO L413 NwaCegarLoop]: 10 mSDtfsCounter, 140 mSDsluCounter, 111 mSDsCounter, 0 mSdLazyCounter, 293 mSolverCounterSat, 29 mSolverCounterUnsat, 9 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 18.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 140 SdHoareTripleChecker+Valid, 121 SdHoareTripleChecker+Invalid, 440 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 29 IncrementalHoareTripleChecker+Valid, 293 IncrementalHoareTripleChecker+Invalid, 9 IncrementalHoareTripleChecker+Unknown, 109 IncrementalHoareTripleChecker+Unchecked, 18.9s IncrementalHoareTripleChecker+Time [2022-11-25 17:53:26,419 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [140 Valid, 121 Invalid, 440 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [29 Valid, 293 Invalid, 9 Unknown, 109 Unchecked, 18.9s Time] [2022-11-25 17:53:26,420 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 71 states. [2022-11-25 17:53:26,432 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 71 to 44. [2022-11-25 17:53:26,433 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 44 states, 43 states have (on average 1.1395348837209303) internal successors, (49), 43 states have internal predecessors, (49), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 17:53:26,433 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 44 states and 49 transitions. [2022-11-25 17:53:26,434 INFO L78 Accepts]: Start accepts. Automaton has 44 states and 49 transitions. Word has length 22 [2022-11-25 17:53:26,434 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 17:53:26,434 INFO L495 AbstractCegarLoop]: Abstraction has 44 states and 49 transitions. [2022-11-25 17:53:26,435 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 33 states, 33 states have (on average 1.7878787878787878) internal successors, (59), 33 states have internal predecessors, (59), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 17:53:26,435 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 49 transitions. [2022-11-25 17:53:26,436 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2022-11-25 17:53:26,436 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 17:53:26,436 INFO L195 NwaCegarLoop]: trace histogram [3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 17:53:26,455 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48d06d59-f879-4417-874c-fad3c5459099/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2022-11-25 17:53:26,642 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48d06d59-f879-4417-874c-fad3c5459099/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2022-11-25 17:53:26,643 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 17:53:26,643 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 17:53:26,643 INFO L85 PathProgramCache]: Analyzing trace with hash -757863644, now seen corresponding path program 2 times [2022-11-25 17:53:26,643 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 17:53:26,643 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [735602925] [2022-11-25 17:53:26,643 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 17:53:26,643 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 17:53:26,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:53:26,804 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 3 proven. 9 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-25 17:53:26,804 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 17:53:26,805 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [735602925] [2022-11-25 17:53:26,805 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [735602925] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-25 17:53:26,805 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1504550795] [2022-11-25 17:53:26,805 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-11-25 17:53:26,805 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 17:53:26,806 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48d06d59-f879-4417-874c-fad3c5459099/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 17:53:26,807 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48d06d59-f879-4417-874c-fad3c5459099/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-25 17:53:26,834 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48d06d59-f879-4417-874c-fad3c5459099/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-11-25 17:53:26,900 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-11-25 17:53:26,901 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-25 17:53:26,902 INFO L263 TraceCheckSpWp]: Trace formula consists of 154 conjuncts, 8 conjunts are in the unsatisfiable core [2022-11-25 17:53:26,907 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 17:53:27,053 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 8 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-25 17:53:27,054 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-25 17:53:27,173 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 8 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-25 17:53:27,173 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1504550795] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-25 17:53:27,173 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-25 17:53:27,173 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9] total 14 [2022-11-25 17:53:27,174 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [932302918] [2022-11-25 17:53:27,174 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-25 17:53:27,174 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2022-11-25 17:53:27,174 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 17:53:27,175 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2022-11-25 17:53:27,175 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=129, Unknown=0, NotChecked=0, Total=182 [2022-11-25 17:53:27,175 INFO L87 Difference]: Start difference. First operand 44 states and 49 transitions. Second operand has 14 states, 14 states have (on average 3.142857142857143) internal successors, (44), 14 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 17:53:27,428 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 17:53:27,428 INFO L93 Difference]: Finished difference Result 83 states and 90 transitions. [2022-11-25 17:53:27,428 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-11-25 17:53:27,429 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 3.142857142857143) internal successors, (44), 14 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 26 [2022-11-25 17:53:27,429 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 17:53:27,430 INFO L225 Difference]: With dead ends: 83 [2022-11-25 17:53:27,430 INFO L226 Difference]: Without dead ends: 61 [2022-11-25 17:53:27,430 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 41 SyntacticMatches, 6 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 113 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=87, Invalid=219, Unknown=0, NotChecked=0, Total=306 [2022-11-25 17:53:27,431 INFO L413 NwaCegarLoop]: 12 mSDtfsCounter, 48 mSDsluCounter, 44 mSDsCounter, 0 mSdLazyCounter, 99 mSolverCounterSat, 29 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 48 SdHoareTripleChecker+Valid, 56 SdHoareTripleChecker+Invalid, 128 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 29 IncrementalHoareTripleChecker+Valid, 99 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-25 17:53:27,431 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [48 Valid, 56 Invalid, 128 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [29 Valid, 99 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-25 17:53:27,432 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 61 states. [2022-11-25 17:53:27,448 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 61 to 38. [2022-11-25 17:53:27,448 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 38 states, 37 states have (on average 1.135135135135135) internal successors, (42), 37 states have internal predecessors, (42), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 17:53:27,449 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 38 states and 42 transitions. [2022-11-25 17:53:27,449 INFO L78 Accepts]: Start accepts. Automaton has 38 states and 42 transitions. Word has length 26 [2022-11-25 17:53:27,449 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 17:53:27,449 INFO L495 AbstractCegarLoop]: Abstraction has 38 states and 42 transitions. [2022-11-25 17:53:27,450 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 3.142857142857143) internal successors, (44), 14 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 17:53:27,450 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 42 transitions. [2022-11-25 17:53:27,451 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2022-11-25 17:53:27,451 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 17:53:27,452 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 17:53:27,465 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48d06d59-f879-4417-874c-fad3c5459099/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-11-25 17:53:27,659 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48d06d59-f879-4417-874c-fad3c5459099/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 17:53:27,659 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 17:53:27,660 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 17:53:27,660 INFO L85 PathProgramCache]: Analyzing trace with hash -980493622, now seen corresponding path program 3 times [2022-11-25 17:53:27,660 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 17:53:27,660 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1402816213] [2022-11-25 17:53:27,661 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 17:53:27,661 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 17:53:27,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:53:28,133 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 3 proven. 10 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-25 17:53:28,133 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 17:53:28,133 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1402816213] [2022-11-25 17:53:28,133 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1402816213] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-25 17:53:28,134 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1445322904] [2022-11-25 17:53:28,134 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-11-25 17:53:28,134 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 17:53:28,134 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48d06d59-f879-4417-874c-fad3c5459099/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 17:53:28,136 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48d06d59-f879-4417-874c-fad3c5459099/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-25 17:53:28,143 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48d06d59-f879-4417-874c-fad3c5459099/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-11-25 17:53:28,238 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2022-11-25 17:53:28,238 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-25 17:53:28,240 INFO L263 TraceCheckSpWp]: Trace formula consists of 153 conjuncts, 35 conjunts are in the unsatisfiable core [2022-11-25 17:53:28,245 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 17:53:28,252 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 10 treesize of output 8 [2022-11-25 17:53:28,448 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 17:53:28,467 INFO L321 Elim1Store]: treesize reduction 20, result has 47.4 percent of original size [2022-11-25 17:53:28,467 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 27 treesize of output 37 [2022-11-25 17:53:28,776 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-11-25 17:53:28,776 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-25 17:53:28,961 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-25 17:53:28,961 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 938 treesize of output 882 [2022-11-25 17:53:28,970 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 874 treesize of output 802 [2022-11-25 17:53:44,113 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 395 treesize of output 379 [2022-11-25 17:53:44,136 INFO L321 Elim1Store]: treesize reduction 5, result has 50.0 percent of original size [2022-11-25 17:53:44,137 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 357 treesize of output 282 [2022-11-25 17:53:44,162 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 17:53:44,167 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 17:53:44,168 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 1 [2022-11-25 17:53:44,175 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 17:53:44,181 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 17:53:44,182 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 17:53:44,193 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 17:53:44,199 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 17:53:44,205 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 17:53:44,211 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 17:53:44,211 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 1 [2022-11-25 17:53:44,216 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 17:53:44,220 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 17:53:44,223 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 17:53:44,228 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 17:53:44,229 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 1 [2022-11-25 17:53:44,241 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 643 treesize of output 611 [2022-11-25 17:53:44,263 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 17:53:44,265 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 165 treesize of output 125 [2022-11-25 17:53:44,310 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 17:53:44,315 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 17:53:44,321 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 17:53:44,322 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 1 [2022-11-25 17:53:44,328 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 17:53:44,333 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 17:53:44,334 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 1 [2022-11-25 17:53:44,341 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 17:53:44,342 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 17:53:44,350 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 17:53:44,352 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 17:53:44,362 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 17:53:44,370 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 17:53:44,396 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 17:53:44,403 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 17:53:44,410 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 17:53:44,414 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 17:53:44,420 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 17:53:44,433 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 17:53:44,449 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 17:53:44,455 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 17:53:44,459 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 17:53:44,534 INFO L321 Elim1Store]: treesize reduction 20, result has 39.4 percent of original size [2022-11-25 17:53:44,534 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 281 treesize of output 237 [2022-11-25 17:53:44,607 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 17:53:44,610 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 17:53:44,614 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 17:53:44,617 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 17:53:44,627 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 123 treesize of output 115 [2022-11-25 17:53:44,676 INFO L321 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-11-25 17:53:44,676 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 206 treesize of output 1 [2022-11-25 17:53:44,690 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 17:53:44,692 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 17:53:44,697 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 17:53:44,699 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 17:53:44,710 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 17:53:44,711 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 17:53:44,716 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 17:53:44,718 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 17:53:44,736 INFO L321 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-11-25 17:53:44,736 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 200 treesize of output 1 [2022-11-25 17:53:44,752 INFO L321 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-11-25 17:53:44,752 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 139 treesize of output 1 [2022-11-25 17:53:44,761 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 17:53:44,768 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 17:53:44,791 INFO L321 Elim1Store]: treesize reduction 32, result has 3.0 percent of original size [2022-11-25 17:53:44,792 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 151 treesize of output 1 [2022-11-25 17:53:44,805 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 17:53:44,807 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 17:53:44,813 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 17:53:44,816 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 17:53:44,838 INFO L321 Elim1Store]: treesize reduction 32, result has 3.0 percent of original size [2022-11-25 17:53:44,839 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 212 treesize of output 1 [2022-11-25 17:53:44,845 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 17:53:44,847 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 17:53:44,857 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 17:53:44,882 INFO L321 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-11-25 17:53:44,883 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 200 treesize of output 1 [2022-11-25 17:53:44,899 INFO L321 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-11-25 17:53:44,900 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 139 treesize of output 1 [2022-11-25 17:53:44,913 INFO L321 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-11-25 17:53:44,914 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 200 treesize of output 1 [2022-11-25 17:53:44,928 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 123 treesize of output 115 [2022-11-25 17:53:44,965 INFO L321 Elim1Store]: treesize reduction 32, result has 3.0 percent of original size [2022-11-25 17:53:44,966 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 220 treesize of output 1 [2022-11-25 17:53:44,982 INFO L321 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-11-25 17:53:44,983 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 139 treesize of output 1 [2022-11-25 17:53:45,005 INFO L321 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-11-25 17:53:45,006 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 200 treesize of output 1 [2022-11-25 17:53:45,019 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 17:53:45,020 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 17:53:45,040 INFO L321 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-11-25 17:53:45,041 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 200 treesize of output 1 [2022-11-25 17:53:45,058 INFO L321 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-11-25 17:53:45,058 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 139 treesize of output 1 [2022-11-25 17:53:45,087 INFO L321 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-11-25 17:53:45,088 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 139 treesize of output 1 [2022-11-25 17:53:45,111 INFO L321 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-11-25 17:53:45,111 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 200 treesize of output 1 [2022-11-25 17:53:45,125 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 17:53:45,139 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 17:53:45,141 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 17:53:45,148 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 17:53:45,151 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 17:53:45,158 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 17:53:45,164 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 17:53:45,188 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 17:53:45,195 INFO L321 Elim1Store]: treesize reduction 18, result has 5.3 percent of original size [2022-11-25 17:53:45,196 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 281 treesize of output 1 [2022-11-25 17:53:45,220 INFO L321 Elim1Store]: treesize reduction 5, result has 37.5 percent of original size [2022-11-25 17:53:45,220 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 82 treesize of output 65 [2022-11-25 17:53:45,280 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 17:53:45,286 INFO L321 Elim1Store]: treesize reduction 18, result has 5.3 percent of original size [2022-11-25 17:53:45,287 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 155 treesize of output 1 [2022-11-25 17:53:45,295 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 17:53:45,310 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 17:53:45,321 INFO L321 Elim1Store]: treesize reduction 18, result has 5.3 percent of original size [2022-11-25 17:53:45,321 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 360 treesize of output 1 [2022-11-25 17:53:45,327 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 17:53:45,328 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 17:53:45,336 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 17:53:45,348 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 17:53:45,349 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 98 treesize of output 1 [2022-11-25 17:53:45,368 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 17:53:45,376 INFO L321 Elim1Store]: treesize reduction 18, result has 5.3 percent of original size [2022-11-25 17:53:45,377 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 94 treesize of output 1 [2022-11-25 17:53:45,385 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 17:53:45,392 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 17:53:45,400 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 17:53:45,405 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 17:53:45,406 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 98 treesize of output 1 [2022-11-25 17:53:45,412 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 17:53:45,413 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 17:53:45,418 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 17:53:45,420 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2022-11-25 17:53:45,425 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 17:53:45,429 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 17:53:45,431 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 98 treesize of output 1 [2022-11-25 17:53:45,439 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 17:53:45,439 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 17:53:45,444 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 17:53:45,445 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2022-11-25 17:53:45,461 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 17:53:45,469 INFO L321 Elim1Store]: treesize reduction 18, result has 5.3 percent of original size [2022-11-25 17:53:45,470 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 167 treesize of output 1 [2022-11-25 17:53:45,476 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 17:53:45,477 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 17:53:45,483 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 17:53:45,484 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 17:53:45,496 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 17:53:45,500 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 17:53:45,502 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 67 treesize of output 1 [2022-11-25 17:53:45,515 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 17:53:45,517 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 17:53:45,521 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 17:53:45,525 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 17:53:45,526 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 98 treesize of output 1 [2022-11-25 17:53:45,536 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 17:53:45,551 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 17:53:45,559 INFO L321 Elim1Store]: treesize reduction 18, result has 5.3 percent of original size [2022-11-25 17:53:45,560 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 208 treesize of output 1 [2022-11-25 17:53:45,570 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 17:53:45,578 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 17:53:45,583 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 17:53:45,586 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 1 [2022-11-25 17:53:45,595 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 17:53:45,596 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 17:53:45,600 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 17:53:45,601 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2022-11-25 17:53:45,606 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 17:53:45,607 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 17:53:45,612 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 17:53:45,613 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 1 [2022-11-25 17:53:45,619 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 17:53:45,620 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 17:53:45,625 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 17:53:45,626 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2022-11-25 17:53:45,630 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 17:53:45,631 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 17:53:45,636 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 17:53:45,637 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2022-11-25 17:53:45,650 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 17:53:45,655 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 17:53:45,656 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 74 treesize of output 1 [2022-11-25 17:53:45,661 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 17:53:45,667 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 17:53:45,667 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 1 [2022-11-25 17:53:45,676 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 17:53:45,680 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 200 treesize of output 168 [2022-11-25 17:53:45,768 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 17:53:45,778 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 17:53:45,793 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 17:53:45,798 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 17:53:45,800 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 1 [2022-11-25 17:53:45,804 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 17:53:45,809 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 17:53:45,813 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 17:53:45,814 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 1 [2022-11-25 17:53:45,825 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 17:53:45,836 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 17:53:45,838 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 17:53:45,843 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 17:53:45,845 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 17:53:45,851 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 17:53:45,852 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 17:53:45,859 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 17:53:45,860 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 17:53:45,866 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 17:53:45,868 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 17:53:45,874 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 17:53:45,875 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 17:53:45,894 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 17:53:45,895 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 17:53:45,900 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 17:53:45,900 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 1 [2022-11-25 17:53:45,906 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 17:53:45,906 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 17:53:45,911 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 17:53:45,912 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2022-11-25 17:53:45,922 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 17:53:45,923 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 17:53:45,928 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 17:53:45,928 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 17:53:45,933 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 17:53:45,934 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 17:53:45,959 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 17:53:45,963 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 17:53:45,964 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 17:53:45,968 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 17:53:45,968 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2022-11-25 17:53:45,977 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 17:53:45,978 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 17:53:45,981 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 17:53:45,982 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 1 [2022-11-25 17:53:45,994 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 17:53:46,001 INFO L321 Elim1Store]: treesize reduction 18, result has 5.3 percent of original size [2022-11-25 17:53:46,002 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 269 treesize of output 1 [2022-11-25 17:53:46,007 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 17:53:46,008 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 17:53:46,012 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 17:53:46,015 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 17:53:46,026 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 17:53:46,027 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 17:53:46,031 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 17:53:46,032 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 1 [2022-11-25 17:53:46,039 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 17:53:46,039 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 17:53:46,044 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 17:53:46,044 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 17:53:46,048 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 17:53:46,049 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2022-11-25 17:53:46,052 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 17:53:46,056 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 17:53:46,057 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 98 treesize of output 1 [2022-11-25 17:53:46,061 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 17:53:46,062 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 17:53:46,065 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 17:53:46,066 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 1 [2022-11-25 17:53:46,071 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 17:53:46,075 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 17:53:46,076 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 98 treesize of output 1 [2022-11-25 17:53:46,090 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 17:53:46,097 INFO L321 Elim1Store]: treesize reduction 18, result has 5.3 percent of original size [2022-11-25 17:53:46,098 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 208 treesize of output 1 [2022-11-25 17:53:46,108 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 17:53:46,114 INFO L321 Elim1Store]: treesize reduction 18, result has 5.3 percent of original size [2022-11-25 17:53:46,114 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 269 treesize of output 1 [2022-11-25 17:53:46,124 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 17:53:46,131 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 17:53:46,132 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 17:53:46,352 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-11-25 17:53:46,352 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1445322904] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-25 17:53:46,352 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-25 17:53:46,352 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 10, 10] total 27 [2022-11-25 17:53:46,353 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [528950390] [2022-11-25 17:53:46,353 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-25 17:53:46,353 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-11-25 17:53:46,354 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 17:53:46,355 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-11-25 17:53:46,355 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=103, Invalid=599, Unknown=0, NotChecked=0, Total=702 [2022-11-25 17:53:46,355 INFO L87 Difference]: Start difference. First operand 38 states and 42 transitions. Second operand has 27 states, 27 states have (on average 2.3333333333333335) internal successors, (63), 27 states have internal predecessors, (63), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 17:53:49,671 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 17:53:49,671 INFO L93 Difference]: Finished difference Result 101 states and 111 transitions. [2022-11-25 17:53:49,672 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2022-11-25 17:53:49,672 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 27 states have (on average 2.3333333333333335) internal successors, (63), 27 states have internal predecessors, (63), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 26 [2022-11-25 17:53:49,672 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 17:53:49,673 INFO L225 Difference]: With dead ends: 101 [2022-11-25 17:53:49,673 INFO L226 Difference]: Without dead ends: 73 [2022-11-25 17:53:49,675 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 103 GetRequests, 37 SyntacticMatches, 0 SemanticMatches, 66 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1144 ImplicationChecksByTransitivity, 3.3s TimeCoverageRelationStatistics Valid=846, Invalid=3710, Unknown=0, NotChecked=0, Total=4556 [2022-11-25 17:53:49,675 INFO L413 NwaCegarLoop]: 12 mSDtfsCounter, 246 mSDsluCounter, 146 mSDsCounter, 0 mSdLazyCounter, 385 mSolverCounterSat, 69 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 246 SdHoareTripleChecker+Valid, 158 SdHoareTripleChecker+Invalid, 454 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 69 IncrementalHoareTripleChecker+Valid, 385 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-11-25 17:53:49,676 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [246 Valid, 158 Invalid, 454 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [69 Valid, 385 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-11-25 17:53:49,676 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73 states. [2022-11-25 17:53:49,685 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 73 to 34. [2022-11-25 17:53:49,686 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 34 states, 33 states have (on average 1.121212121212121) internal successors, (37), 33 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 17:53:49,686 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 34 states and 37 transitions. [2022-11-25 17:53:49,687 INFO L78 Accepts]: Start accepts. Automaton has 34 states and 37 transitions. Word has length 26 [2022-11-25 17:53:49,687 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 17:53:49,687 INFO L495 AbstractCegarLoop]: Abstraction has 34 states and 37 transitions. [2022-11-25 17:53:49,687 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 2.3333333333333335) internal successors, (63), 27 states have internal predecessors, (63), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 17:53:49,688 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 37 transitions. [2022-11-25 17:53:49,688 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2022-11-25 17:53:49,688 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 17:53:49,689 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 17:53:49,701 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48d06d59-f879-4417-874c-fad3c5459099/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2022-11-25 17:53:49,895 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48d06d59-f879-4417-874c-fad3c5459099/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 17:53:49,895 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 17:53:49,896 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 17:53:49,896 INFO L85 PathProgramCache]: Analyzing trace with hash -1750966422, now seen corresponding path program 4 times [2022-11-25 17:53:49,896 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 17:53:49,896 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [535833516] [2022-11-25 17:53:49,896 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 17:53:49,896 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 17:53:49,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:53:50,349 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 4 proven. 13 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-25 17:53:50,349 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 17:53:50,349 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [535833516] [2022-11-25 17:53:50,349 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [535833516] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-25 17:53:50,350 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1888156194] [2022-11-25 17:53:50,350 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-11-25 17:53:50,350 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 17:53:50,350 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48d06d59-f879-4417-874c-fad3c5459099/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 17:53:50,351 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48d06d59-f879-4417-874c-fad3c5459099/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-25 17:53:50,353 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48d06d59-f879-4417-874c-fad3c5459099/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-11-25 17:53:50,446 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-11-25 17:53:50,447 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-25 17:53:50,448 INFO L263 TraceCheckSpWp]: Trace formula consists of 159 conjuncts, 14 conjunts are in the unsatisfiable core [2022-11-25 17:53:50,450 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 17:53:50,694 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 9 proven. 8 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-25 17:53:50,694 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-25 17:53:51,042 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 11 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 17:53:51,042 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1888156194] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-25 17:53:51,042 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-25 17:53:51,042 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10, 13] total 25 [2022-11-25 17:53:51,043 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [717815599] [2022-11-25 17:53:51,043 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-25 17:53:51,043 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2022-11-25 17:53:51,044 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 17:53:51,044 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2022-11-25 17:53:51,045 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=108, Invalid=492, Unknown=0, NotChecked=0, Total=600 [2022-11-25 17:53:51,045 INFO L87 Difference]: Start difference. First operand 34 states and 37 transitions. Second operand has 25 states, 25 states have (on average 2.32) internal successors, (58), 25 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 17:53:51,784 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 17:53:51,784 INFO L93 Difference]: Finished difference Result 54 states and 58 transitions. [2022-11-25 17:53:51,785 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-11-25 17:53:51,785 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 25 states have (on average 2.32) internal successors, (58), 25 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 26 [2022-11-25 17:53:51,788 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 17:53:51,791 INFO L225 Difference]: With dead ends: 54 [2022-11-25 17:53:51,792 INFO L226 Difference]: Without dead ends: 45 [2022-11-25 17:53:51,793 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 34 SyntacticMatches, 4 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 318 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=310, Invalid=1022, Unknown=0, NotChecked=0, Total=1332 [2022-11-25 17:53:51,793 INFO L413 NwaCegarLoop]: 19 mSDtfsCounter, 132 mSDsluCounter, 72 mSDsCounter, 0 mSdLazyCounter, 247 mSolverCounterSat, 33 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 132 SdHoareTripleChecker+Valid, 91 SdHoareTripleChecker+Invalid, 280 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 33 IncrementalHoareTripleChecker+Valid, 247 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-11-25 17:53:51,794 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [132 Valid, 91 Invalid, 280 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [33 Valid, 247 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-11-25 17:53:51,795 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45 states. [2022-11-25 17:53:51,803 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45 to 33. [2022-11-25 17:53:51,804 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 33 states, 32 states have (on average 1.09375) internal successors, (35), 32 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 17:53:51,804 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 35 transitions. [2022-11-25 17:53:51,804 INFO L78 Accepts]: Start accepts. Automaton has 33 states and 35 transitions. Word has length 26 [2022-11-25 17:53:51,804 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 17:53:51,804 INFO L495 AbstractCegarLoop]: Abstraction has 33 states and 35 transitions. [2022-11-25 17:53:51,804 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 25 states have (on average 2.32) internal successors, (58), 25 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 17:53:51,804 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 35 transitions. [2022-11-25 17:53:51,805 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2022-11-25 17:53:51,805 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 17:53:51,806 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 17:53:51,811 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48d06d59-f879-4417-874c-fad3c5459099/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2022-11-25 17:53:52,010 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48d06d59-f879-4417-874c-fad3c5459099/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 17:53:52,011 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 17:53:52,011 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 17:53:52,012 INFO L85 PathProgramCache]: Analyzing trace with hash 659943902, now seen corresponding path program 5 times [2022-11-25 17:53:52,012 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 17:53:52,012 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [615919890] [2022-11-25 17:53:52,012 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 17:53:52,012 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 17:53:52,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:53:55,156 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 17:53:55,156 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 17:53:55,157 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [615919890] [2022-11-25 17:53:55,157 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [615919890] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-25 17:53:55,157 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1252679000] [2022-11-25 17:53:55,157 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2022-11-25 17:53:55,157 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 17:53:55,157 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48d06d59-f879-4417-874c-fad3c5459099/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 17:53:55,158 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48d06d59-f879-4417-874c-fad3c5459099/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-25 17:53:55,161 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48d06d59-f879-4417-874c-fad3c5459099/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2022-11-25 17:53:55,337 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 5 check-sat command(s) [2022-11-25 17:53:55,338 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-25 17:53:55,341 INFO L263 TraceCheckSpWp]: Trace formula consists of 184 conjuncts, 54 conjunts are in the unsatisfiable core [2022-11-25 17:53:55,345 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 17:53:55,358 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 10 treesize of output 8 [2022-11-25 17:53:56,164 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 17:53:56,165 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 30 treesize of output 34 [2022-11-25 17:53:56,862 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 17:53:56,863 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 2 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 20 [2022-11-25 17:53:56,920 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 17:53:56,920 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-25 17:53:57,251 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-25 17:53:57,251 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 270 treesize of output 258 [2022-11-25 17:53:57,621 INFO L321 Elim1Store]: treesize reduction 13, result has 7.1 percent of original size [2022-11-25 17:53:57,622 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 85 treesize of output 51 [2022-11-25 17:53:57,629 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 154 treesize of output 146 [2022-11-25 17:53:57,686 INFO L321 Elim1Store]: treesize reduction 13, result has 7.1 percent of original size [2022-11-25 17:53:57,687 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 120 treesize of output 1 [2022-11-25 17:53:57,696 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 17:53:57,698 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 85 treesize of output 25 [2022-11-25 17:53:57,703 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 17:53:57,704 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 17:53:57,713 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 17:53:57,714 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 120 treesize of output 51 [2022-11-25 17:53:57,719 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 17:53:57,720 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 17:53:57,735 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 17:53:57,736 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 25 [2022-11-25 17:53:57,741 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 17:53:57,742 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 17:53:57,751 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 17:53:57,751 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 75 treesize of output 51 [2022-11-25 17:53:57,757 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 17:53:57,758 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 17:53:57,786 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 17:53:57,786 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 25 [2022-11-25 17:53:57,792 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 17:53:57,793 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 17:53:57,806 INFO L321 Elim1Store]: treesize reduction 13, result has 7.1 percent of original size [2022-11-25 17:53:57,807 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 120 treesize of output 1 [2022-11-25 17:53:57,817 INFO L321 Elim1Store]: treesize reduction 13, result has 7.1 percent of original size [2022-11-25 17:53:57,818 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 75 treesize of output 1 [2022-11-25 17:53:57,827 INFO L321 Elim1Store]: treesize reduction 13, result has 7.1 percent of original size [2022-11-25 17:53:57,828 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 39 treesize of output 1 [2022-11-25 17:53:57,886 INFO L321 Elim1Store]: treesize reduction 13, result has 67.5 percent of original size [2022-11-25 17:53:57,886 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 159 treesize of output 141 [2022-11-25 17:53:57,934 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 17:53:57,935 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 159 treesize of output 111 [2022-11-25 17:53:57,973 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 17:53:57,974 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 68 treesize of output 54 [2022-11-25 17:53:58,028 INFO L321 Elim1Store]: treesize reduction 16, result has 5.9 percent of original size [2022-11-25 17:53:58,029 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 159 treesize of output 111 [2022-11-25 17:53:58,082 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 17:53:58,083 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 17:53:58,087 WARN L207 Elim1Store]: Array PQE input equivalent to true [2022-11-25 17:53:58,108 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 17:53:58,109 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 17:53:58,117 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 17:53:58,118 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 17:53:58,144 INFO L321 Elim1Store]: treesize reduction 16, result has 5.9 percent of original size [2022-11-25 17:53:58,144 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 92 treesize of output 58 [2022-11-25 17:53:58,239 INFO L321 Elim1Store]: treesize reduction 19, result has 52.5 percent of original size [2022-11-25 17:53:58,240 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 183 treesize of output 139 [2022-11-25 17:53:58,429 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 17:53:58,448 INFO L321 Elim1Store]: treesize reduction 39, result has 2.5 percent of original size [2022-11-25 17:53:58,448 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 128 treesize of output 1 [2022-11-25 17:53:58,470 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 17:53:58,472 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 17:53:58,484 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 17:53:58,485 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 1 [2022-11-25 17:53:58,492 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 17:53:58,493 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 17:53:58,499 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 17:53:58,500 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 1 [2022-11-25 17:53:58,559 INFO L321 Elim1Store]: treesize reduction 23, result has 42.5 percent of original size [2022-11-25 17:53:58,559 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 159 treesize of output 131 [2022-11-25 17:53:58,592 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 17:53:58,593 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 17:53:58,598 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 17:53:58,599 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 1 [2022-11-25 17:53:58,604 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 17:53:58,605 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 17:53:58,616 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 17:53:58,624 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 17:53:58,632 INFO L321 Elim1Store]: treesize reduction 22, result has 4.3 percent of original size [2022-11-25 17:53:58,633 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 50 treesize of output 1 [2022-11-25 17:53:58,662 INFO L321 Elim1Store]: treesize reduction 39, result has 2.5 percent of original size [2022-11-25 17:53:58,663 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 250 treesize of output 1 [2022-11-25 17:54:00,540 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 17:54:00,541 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1252679000] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-25 17:54:00,541 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-25 17:54:00,541 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [20, 17, 17] total 49 [2022-11-25 17:54:00,542 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [589019885] [2022-11-25 17:54:00,542 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-25 17:54:00,543 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 49 states [2022-11-25 17:54:00,543 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 17:54:00,544 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 49 interpolants. [2022-11-25 17:54:00,545 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=363, Invalid=1989, Unknown=0, NotChecked=0, Total=2352 [2022-11-25 17:54:00,545 INFO L87 Difference]: Start difference. First operand 33 states and 35 transitions. Second operand has 49 states, 49 states have (on average 1.816326530612245) internal successors, (89), 49 states have internal predecessors, (89), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 17:54:08,081 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 17:54:08,081 INFO L93 Difference]: Finished difference Result 134 states and 144 transitions. [2022-11-25 17:54:08,081 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2022-11-25 17:54:08,082 INFO L78 Accepts]: Start accepts. Automaton has has 49 states, 49 states have (on average 1.816326530612245) internal successors, (89), 49 states have internal predecessors, (89), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 32 [2022-11-25 17:54:08,082 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 17:54:08,082 INFO L225 Difference]: With dead ends: 134 [2022-11-25 17:54:08,083 INFO L226 Difference]: Without dead ends: 119 [2022-11-25 17:54:08,087 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 128 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 93 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2349 ImplicationChecksByTransitivity, 9.5s TimeCoverageRelationStatistics Valid=1539, Invalid=7391, Unknown=0, NotChecked=0, Total=8930 [2022-11-25 17:54:08,088 INFO L413 NwaCegarLoop]: 12 mSDtfsCounter, 355 mSDsluCounter, 260 mSDsCounter, 0 mSdLazyCounter, 682 mSolverCounterSat, 98 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 355 SdHoareTripleChecker+Valid, 272 SdHoareTripleChecker+Invalid, 780 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 98 IncrementalHoareTripleChecker+Valid, 682 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2022-11-25 17:54:08,088 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [355 Valid, 272 Invalid, 780 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [98 Valid, 682 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2022-11-25 17:54:08,089 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 119 states. [2022-11-25 17:54:08,111 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 119 to 58. [2022-11-25 17:54:08,111 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 58 states, 57 states have (on average 1.105263157894737) internal successors, (63), 57 states have internal predecessors, (63), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 17:54:08,112 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 58 states and 63 transitions. [2022-11-25 17:54:08,112 INFO L78 Accepts]: Start accepts. Automaton has 58 states and 63 transitions. Word has length 32 [2022-11-25 17:54:08,112 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 17:54:08,113 INFO L495 AbstractCegarLoop]: Abstraction has 58 states and 63 transitions. [2022-11-25 17:54:08,113 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 49 states, 49 states have (on average 1.816326530612245) internal successors, (89), 49 states have internal predecessors, (89), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 17:54:08,113 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 63 transitions. [2022-11-25 17:54:08,114 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2022-11-25 17:54:08,114 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 17:54:08,114 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 17:54:08,126 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48d06d59-f879-4417-874c-fad3c5459099/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2022-11-25 17:54:08,325 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48d06d59-f879-4417-874c-fad3c5459099/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2022-11-25 17:54:08,325 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 17:54:08,325 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 17:54:08,326 INFO L85 PathProgramCache]: Analyzing trace with hash -837130924, now seen corresponding path program 6 times [2022-11-25 17:54:08,326 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 17:54:08,326 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [673985480] [2022-11-25 17:54:08,326 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 17:54:08,326 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 17:54:08,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:54:10,983 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 0 proven. 38 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 17:54:10,984 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 17:54:10,984 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [673985480] [2022-11-25 17:54:10,984 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [673985480] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-25 17:54:10,984 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [938660684] [2022-11-25 17:54:10,985 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2022-11-25 17:54:10,985 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 17:54:10,985 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48d06d59-f879-4417-874c-fad3c5459099/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 17:54:10,986 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48d06d59-f879-4417-874c-fad3c5459099/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-25 17:54:10,989 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48d06d59-f879-4417-874c-fad3c5459099/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2022-11-25 17:54:11,123 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 5 check-sat command(s) [2022-11-25 17:54:11,123 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-25 17:54:11,126 INFO L263 TraceCheckSpWp]: Trace formula consists of 197 conjuncts, 57 conjunts are in the unsatisfiable core [2022-11-25 17:54:11,133 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 17:54:11,144 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 10 treesize of output 8 [2022-11-25 17:54:11,368 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 13 treesize of output 9 [2022-11-25 17:54:11,652 INFO L321 Elim1Store]: treesize reduction 37, result has 28.8 percent of original size [2022-11-25 17:54:11,652 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 38 treesize of output 42 [2022-11-25 17:54:11,905 INFO L321 Elim1Store]: treesize reduction 113, result has 25.7 percent of original size [2022-11-25 17:54:11,905 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 54 treesize of output 68 [2022-11-25 17:54:13,135 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 17:54:13,144 INFO L321 Elim1Store]: treesize reduction 18, result has 14.3 percent of original size [2022-11-25 17:54:13,144 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 3 new quantified variables, introduced 1 case distinctions, treesize of input 75 treesize of output 23 [2022-11-25 17:54:13,185 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 0 proven. 38 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 17:54:13,186 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-25 17:54:24,323 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-25 17:54:24,328 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 2 case distinctions, treesize of input 6619080 treesize of output 5689301 [2022-11-25 17:54:31,743 WARN L233 SmtUtils]: Spent 7.41s on a formula simplification that was a NOOP. DAG size: 2149 (called from [L 800] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2022-11-25 17:54:32,186 INFO L321 Elim1Store]: treesize reduction 85, result has 28.6 percent of original size [2022-11-25 17:54:32,191 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 4 case distinctions, treesize of input 9994197 treesize of output 9281513 [2022-11-25 17:54:44,427 WARN L233 SmtUtils]: Spent 12.23s on a formula simplification that was a NOOP. DAG size: 2183 (called from [L 800] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2022-11-25 17:54:56,491 WARN L233 SmtUtils]: Spent 12.05s on a formula simplification that was a NOOP. DAG size: 2175 (called from [L 800] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2022-11-25 17:54:56,757 INFO L321 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2022-11-25 17:54:56,762 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 9871321 treesize of output 9461723 [2022-11-25 17:55:08,981 WARN L233 SmtUtils]: Spent 12.22s on a formula simplification that was a NOOP. DAG size: 2176 (called from [L 800] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2022-11-25 17:55:21,001 WARN L233 SmtUtils]: Spent 12.01s on a formula simplification that was a NOOP. DAG size: 2173 (called from [L 800] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2022-11-25 17:55:21,468 INFO L321 Elim1Store]: treesize reduction 23, result has 30.3 percent of original size [2022-11-25 17:55:21,477 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 1328947159 treesize of output 1276780509